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Ganneston Construction Corp

Ganneston Construction Corp

General Contractor - Construction Manager - Design Builder

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Commercial Construction Services In Cumberland County, Maine

Ganneston Construction

Ganneston Construction stands as a premier commercial construction partner in Cumberland County, Maine. From the bustling urban core of Portland to the tranquil coastal towns along Casco Bay, and from the serene lakes of Sebago to the rolling inland hills, we’ve made it our mission to serve the diverse construction needs of this multifaceted region.

Our deep-rooted experience in Cumberland County enables us to deliver unparalleled services tailored to each community’s unique character. Whether we’re developing cutting-edge urban facilities, preserving historic structures, or creating sustainable coastal projects, Ganneston brings local insight and industry-leading expertise to every endeavor, ensuring each project not only meets but enhances the community it serves.

About Ganneston Construction

Welcome to Ganneston Construction, your premier partner for commercial construction services in Cumberland County, Maine. For nearly six decades, we’ve been shaping the landscape of Maine with our commitment to quality, integrity, and personalized service.

Ganneston Construction brings a unique perspective to every project we undertake. Since our founding in 1963, we’ve built a reputation for excellence that spans generations, adapting to the evolving needs of Cumberland County’s dynamic commercial sector.

Our team understands the nuances of Cumberland County’s construction landscape:

  • We're familiar with local building codes and regulations
  • We have established relationships with area suppliers and subcontractors
  • We know how to build for Maine's challenging weather conditions
  • We respect and preserve the architectural heritage that makes Cumberland County unique

At Ganneston Construction, we’re more than just builders. We’re your neighbors, your partners, and your advocates in creating spaces that serve the needs of Cumberland County businesses and residents alike. Let us put our six decades of experience to work for your next commercial construction project.

Discover how Ganneston can bring your Cumberland County project to life.

Contact us today

We Understand Cumberland County's Communities

Cumberland County, spanning over 800 square miles, is a diverse tapestry of urban centers, coastal towns, and rural landscapes. Our construction expertise extends to every area of Cumberland County, including:

Key Communities:

  • Portland: The economic and cultural hub of the county, known for its historic Old Port and modern urban development
  • South Portland: A thriving city with a mix of residential, commercial, and industrial areas
  • Westbrook: A growing community with a balance of historic charm and modern development
  • Brunswick: Home to Bowdoin College and former naval air station redevelopment
  • Windham: Rapidly growing suburban area with diverse construction needs
  • New Gloucester: Rural community balancing preservation with development
  • Gray: Strategic location at the convergence of major highways

Main Economic Sectors

  • Education: Home to major institutions like the University of Southern Maine and numerous colleges
  • Healthcare: With expanding medical facilities and research centers across the county
  • Marine Industries: Supporting Portland's working waterfront and coastal economies
  • Technology: Growing sector with unique facility requirements in urban and suburban areas
  • Retail and Services: From the Maine Mall area to downtown revitalization projects
  • Tourism: Supporting infrastructure for Cumberland County's coastal and lake attractions
  • Transportation: Not only our road systems but administrative building projects

Our deep understanding of these diverse communities and economic sectors allows us to tailor our services to the specific needs of each project, whether it’s renovating university facilities like USM Bailey Hall, upgrading transportation infrastructure, or developing new public works facilities in growing towns like New Gloucester.

​​Our Core Services in Cumberland County

At Ganneston Construction, we’ve honed our comprehensive suite of commercial construction services to meet the unique needs of Cumberland County. From Portland’s dynamic urban landscape to Freeport’s coastal charm and Bridgton’s scenic beauty, we understand and serve the diverse commercial needs of our region.

Pre-Construction Services

Our pre-construction phase sets the foundation for success in Cumberland County’s varied environments. Understanding a client’s project goals allows us to ensure that the design, budget, and schedule are aligned. The most common pre-construction services our clients ask for include:

  • Site Evaluation and Preparation.
  • Condition Analysis.
  • Constructability Analysis.
  • Cost Estimates and Budgeting.
  • Cash Flow Analysis.
  • Subcontractor Selection.
  • Material Procurement.
  • Scheduling and Logistics.
  • Risk Mitigation.

Our team is well-versed in pre-construction services to ensure your project starts right.

Learn more about our pre-construction services

General Contracting

Our general contracting services are rooted in decades of Cumberland County experience:

  • Local Workforce Development. We prioritize hiring from within the county, supporting communities from Portland to Bridgton.
  • Weather-Adaptive Scheduling. Our timelines account for Cumberland County's coastal climate, ensuring efficient year-round progress.
  • Resource Optimization. We leverage Cumberland County's material resources, integrating locally-sourced materials when possible.
Learn more about our general contracting services

Construction Management Services

Our construction management approach in Cumberland County is comprehensive and locally-focused:

  • Stakeholder coordination. We facilitate seamless communication between project owners, local authorities, and community stakeholders, crucial in close-knit Cumberland County communities.
  • Tourism impact mitigation. For projects in high-traffic areas like Freeport and Casco, we implement strategies to minimize construction disruption during peak tourist seasons.
  • Municipal compliance assurance. Our team navigates the specific regulatory landscapes of each Cumberland County town, from Portland's complex urban codes to the more rural regulations of towns like Pownal or New Gloucester.
  • Local workforce utilization. We prioritize hiring from within Cumberland County, contributing to the local economy and ensuring our team understands the unique aspects of each community.
  • Sustainable practices implementation. We integrate eco-friendly construction practices that align with Cumberland County's commitment to environmental stewardship, particularly important in sensitive coastal and lake regions.
Learn more about our construction management services

Design-Build Construction

Our design-build approach in Cumberland County emphasizes:

  • Adaptive Reuse. We specialize in historic renovations, reimagining Cumberland County's historic structures, such as those found in Portland's Old Port or Brunswick's downtown.
  • Climate-Responsive Design. Our buildings are engineered to withstand Cumberland County's coastal weather patterns and changing climate conditions.
  • Future-Proofing. We design with an eye on Cumberland County's evolving economy, creating flexible spaces that can adapt to changing needs.
Learn more about our design build services

Metal Building Systems

We offer metal building solutions adapted to Cumberland County’s diverse needs:

  • Marine Applications. Our structures can serve Cumberland County's coastal communities, from boathouses in Freeport to marine research facilities in South
  • Industrial Efficiency. We design metal buildings that can support Cumberland County's growing logistics and manufacturing sectors, particularly in areas like Westbrook and Gorham.
  • Educational Facilities. Our metal structures can provide cost-effective solutions for school expansions across the county, from Portland to Gray.
Learn more about our metal building systems

Historical Building Renovation

Our expertise in historical renovation is crucial in preserving Cumberland County’s rich architectural heritage:

  • Downtown Revitalization. We're skilled in updating Portland's historic buildings for adaptive re-use.
  • Mill Conversions. Our team can transform Cumberland County's former mill buildings. We can create modern, mixed-use spaces, honoring their industrial past.
  • Coastal Landmark Preservation. We work to maintain and repurpose historic structures in smaller coastal communities, from old seaside inns to vintage storefronts.
Learn more about our historical renovation services

At Ganneston Construction, we don’t just build structures; we create solutions that serve the unique commercial needs of Cumberland County. From the coastal challenges of Casco Bay to the specific requirements of inland communities, our services are designed to ensure your commercial project’s success, wherever it’s located in our diverse and vibrant county. With every project, we reinforce our commitment to quality, community, and the distinctive character of Cumberland County.

Notable Projects in Cumberland County

Ganneston Construction has a rich history of completing diverse projects across Cumberland County. Our portfolio demonstrates our versatility and deep understanding of the region’s needs, including:

Educational Facilities

  • Greeley Middle School Additions & Renovations: Expanding and modernizing local educational infrastructure.
  • USM Bailey Hall Lab Renovations: Upgrading university research facilities.
  • LA College Lab Renovations: Enhancing learning environments for higher education.

Transportation and Infrastructure

  • MTA Gray Exit 63 Administration Building: Supporting Maine’s transportation network.
  • MRRA Hangar 4 Renovations: Upgrading aviation facilities.
  • CMP Portland Lighting Renovations and Finishes: Improving urban infrastructure.

Government and Public Works

  • D/B New Gloucester Public Works: Enhancing municipal services and facilities.
  • GSA Gignoux Kitchenette & Office: Upgrading federal facilities.
  • Windham Cumberland County Communications Center: Improving emergency response infrastructure.

Environmental and Conservation

  • Maine DIFW Dry Mills Fish Hatchery: Supporting local wildlife conservation efforts.
  • New Gloucester State Fish Hatchery: Enhancing Maine’s fisheries resources.

Specialized Facilities

  • Park Danforth Cooler: Addressing unique commercial needs.
  • Back Cove Electrical Building-Sub: Supporting local utility infrastructure.

These projects represent a part of our work in Cumberland County. From critical infrastructure upgrades to community-enhancing renovations, Ganneston Construction has played a key role in shaping the built environment of our region. Our diverse project experience ensures we’re well-equipped to handle any commercial construction challenge in Cumberland County.

Learn more about the projects we've completed across Maine

Serving All of Cumberland County

At Ganneston Construction, our commitment to excellence extends to every corner of Cumberland County. From the bustling urban center of Portland to the serene shores of Sebago Lake, we bring our expertise and dedication to projects of all sizes across the region.

Our Reach Across Cumberland County

We proudly serve all municipalities within Cumberland County:

Coastal Communities:

  • Portland (county seat)
  • South Portland
  • Falmouth
  • Cumberland
  • Yarmouth
  • Freeport
  • Brunswick
  • Harpswell
  • Long Island
  • Chebeague Island

Lakes Region:

  • Bridgton
  • Casco
  • Harrison
  • Naples
  • Raymond
  • Sebago
  • Standish

Inland Towns:

  • Baldwin
  • Gorham
  • Gray
  • New Gloucester
  • North Yarmouth
  • Pownal
  • Windham
  • Westbrook

Island Communities:

  • Frye Island

Our deep familiarity with each of Cumberland County’s unique communities ensures that we can address the specific needs and challenges of your project, wherever it may be located within the county. Let’s discuss how our local expertise can benefit your project.

Highlights of Our Expertise in Cumberland County

  • Urban Renewal. Our specialized services place us at the forefront of downtown revitalization in places like Portland and beyond. We’re seasoned at transforming old buildings into modern, mixed-use spaces while preserving their character.
  • Educational Infrastructure. Our skill sets and experience allow us to improve educational centers across Cumberland County, breathing new life into these vital institutions.
  • Coastal Development. From Freeport to Harpswell, we can help coastal communities balance growth with preservation, creating structures that complement the scenic beauty of places like Casco Bay.
  • Suburban Expansion. In growing towns like Windham and Gray, our services are able to support the development of commercial and community structures that enhance suburban living.
  • Transportation and Logistics. Our expertise allows us to create efficient facilities supporting Cumberland County's transportation network, including projects like the MTA Gray Exit 63 Administration Building.
  • Healthcare Advancement. Our contributions to healthcare facilities improve access to cutting-edge medical services across the county.
  • Retail and Commercial Growth. From the Maine Mall area in South Portland to the revitalized downtowns of Brunswick and Westbrook, we have the expertise to construct retail spaces that serve local needs and attract regional shoppers.
  • Sustainable Development. Across Cumberland County, we have the certifications and skill sets to implement green building practices and construct facilities that support Maine's commitment to environmental stewardship and renewable energy.
  • Adaptive Reuse. In communities throughout Cumberland County, we're breathing new life into existing structures, preserving local heritage while meeting modern needs.
  • Marine Industry Support. Our specialized construction services are able to cater to Cumberland County's vital marine industries.

At Ganneston Construction, we understand that each Cumberland County community has its own unique character and needs. Our approach is always tailored to the specific location, whether it’s the urban core of Portland, the coastal charm of Falmouth, or the rural beauty of New Gloucester.

Our deep familiarity with Cumberland County’s diverse landscapes — from its bustling city centers to its scenic coastlines and rolling inland hills — ensures that we can address the specific challenges and opportunities of your project, wherever it may be located within the county.

Ready to start your Cumberland County project? Let’s discuss how our local expertise can bring your vision to life.

Contact Us Today

We Understand Cumberland County's Unique Commercial Construction Challenges

Cumberland County’s diverse landscape presents its own set of unique commercial construction challenges. At Ganneston Construction, we’ve honed our expertise over decades to address these distinct challenges head-on. Our deep understanding of Cumberland County’s geography, climate, and rich history allows us to deliver exceptional results across a wide range of commercial projects. Here’s how we tackle the county’s most pressing construction challenges:

Coastal Construction Solutions

  • Expertise in managing construction near Casco Bay, considering flood risks and environmental regulations
  • Specialized foundation techniques for building on varied coastal soils in Portland, South Portland, and Falmouth
  • Integration of storm surge protection and salt air resilience in coastal towns like Harpswell and Freeport
  • Designs that accommodate Cumberland County's robust marine industry needs

Urban and Suburban Area Expertise

  • Logistics planning for construction in dense urban areas like Portland's Old Port
  • Innovative solutions for limited space and parking in growing suburban towns like Windham and Gray
  • Designs that complement and preserve Cumberland County's diverse architectural landscapes
  • An understanding of building on varied terrains, from the coastal plains to the inland hills

Historical Preservation

  • Careful restoration techniques for Cumberland County's diverse architectural heritage, such as in Portland's Old Port and Brunswick's downtown
  • Creative solutions for meeting modern building codes in historic structures
  • Balancing historical integrity with modern functionality in mill building conversions, particularly in Westbrook and Brunswick

Seasonal Construction Strategies

  • Year-round construction techniques adapted to Cumberland County's coastal winters and busy summer tourism seasons
  • Scheduling optimizations that maximize productivity during Cumberland County's building season
  • Material selection and storage solutions for Cumberland County's varied weather conditions
  • Snow load engineering for inland areas like Bridgton and Naples

Climate-Responsive Design

  • Incorporation of flood-resistant elements in coastal and riverside developments
  • Use of native, climate-appropriate landscaping to enhance sustainability
  • Energy-efficient designs that account for both harsh winters and humid summers

At Ganneston Construction, our Cumberland County expertise goes beyond general construction knowledge. We understand the microclimates that vary from Casco Bay to Sebago Lake, the specific soil conditions in each town, and the unique regulatory environments across the county. This deep local knowledge, combined with our technical expertise, ensures that every project we undertake is perfectly suited to its specific location within Cumberland County.

Ready to leverage our local expertise for your commercial construction project?

Contact Us Today

Tailored Solutions for Cumberland County's Commercial Landscape

Our tailored solutions cater to the diverse needs of the region’s commercial sector. Here’s how we approach different types of commercial projects in Cumberland County:

The Ganneston Construction Process

Our construction process in Cumberland County follows a proven sequence, adapted to local conditions:

  1. Site Evaluation. Ensuring a comprehensive assessment, considering factors like the sandy soils near Casco Bay or the varied terrain from coastal plains to inland hills.
  2. Design and Planning. Leading or working with the design team to integrate Cumberland County’s architectural heritage with modern needs, whether it’s a contemporary office in downtown Portland or a coastal resort in Freeport.
  3. Permitting and Compliance. We can help navigate the varied regulatory landscapes, from Portland’s urban zoning to the environmental considerations of building in coastal areas and near protected wetlands.
  4. Resource Allocation. We prioritize local materials and labor, supporting Cumberland County’s economy while ensuring quality.
  5. Construction Execution. Our site management strategies account for the challenging coastal weather conditions and seasonal tourist influx unique to Cumberland County.
  6. Quality Assurance. We implement rigorous quality control measures, ensuring each project meets Cumberland County’s unique environmental and structural demands, including coastal resilience and historical preservation standards.
  7. Project Completion and Follow-up. We don’t just build and leave; we ensure each project integrates smoothly into its Cumberland County community and provide a single resource for warranty follow-up.

Maine Community Involvement - Serving Cumberland County and Beyond

At Ganneston Construction, we believe our responsibility extends beyond building structures; we’re committed to building a stronger Cumberland County. Our deep-rooted community involvement reflects our dedication to the region’s growth, education, and workforce development.

Local Workforce Development

We’re proud that our employees come from the surrounding Cumberland County communities. By providing local job opportunities, we contribute to the county’s economic stability and growth. Our partnership with the Maine Department of Labor’s apprenticeship program further demonstrates our commitment to nurturing local talent and creating career pathways in the construction industry, particularly in growing areas like Portland, South Portland, and Westbrook.

Educational Support

Ganneston is a strong advocate for construction education across Maine, with a special focus on Cumberland County. We actively support Career and Technical Education (CTE) centers, investing in the future of our industry by:

  • Providing financial support for construction technology education programs at institutions like Portland Arts and Technology High School (PATHS)
  • Supplying essential learning materials, including textbooks, to schools across Cumberland County
  • Backing the nationally recognized NCCER curriculum, ensuring students receive accredited, industry-standard training

This support not only prepares the next generation of construction professionals but also strengthens Cumberland County’s workforce capabilities, particularly in high-growth areas like Portland and its surrounding communities.

Industry Leadership

As active members of the Associated Builders and Contractors of Maine, we play a key role in shaping the future of construction in Cumberland County and beyond. Our involvement includes:

  • Contributing to local economic development initiatives
  • Collaborating with industry peers to address regional construction challenges and opportunities, especially those unique to Cumberland County's coastal and urban environments

Community Support

Our commitment to Cumberland County extends to broader community support. We’re proud supporters of the United Way, focusing on initiatives that directly impact our local communities. This partnership allows us to address critical social issues and contribute to the overall well-being of Maine residents.

Student Engagement

Recognizing the importance of hands-on experience, we offer student internship programs. These opportunities allow Cumberland County’s youth to gain real-world construction experience, learn about career possibilities, and contribute fresh perspectives to our projects.

At Ganneston Construction, we’re not just building structures; we’re investing in Cumberland County’s future. Our community involvement reflects our belief that a strong, skilled, and supported local community is the foundation of successful commercial construction and regional prosperity. From the bustling streets of Portland to the coastal towns of Harpswell and Freeport, our commitment to Cumberland County runs deep and wide.

Join us in building a stronger Cumberland County. Reach out to discuss your project!

Contact Us

Why Choose Ganneston for Cumberland County Projects:

  • Unparalleled local knowledge: Our team's intimate understanding of Cumberland County translates to smoother project execution and fewer surprises.
  • Proven track record: Decades of successful projects across Cumberland County, from iconic Portland developments to coastal community centers.
  • Community commitment: As members of the Cumberland County community ourselves, we're invested in the region's long-term success.
  • Regulatory expertise: Our in-depth knowledge of local and state regulations ensures compliance and expedited project timelines, particularly in complex areas like Portland's historic districts and coastal zones.
  • Innovative solutions: We blend traditional New England craftsmanship with cutting-edge construction technologies suited to Cumberland County's diverse needs.
  • Sustainability focus: We're committed to green building practices that preserve Cumberland County's natural beauty, from Casco Bay to Sebago Lake, for future generations.
  • Versatility: From urban high-rises in Portland to coastal resorts in Freeport, we have the expertise to handle any Cumberland County project.

Meet Our Expert Team

The strength of Ganneston Construction lies in our people. Our team of experts brings a wealth of knowledge and experience specific to Cumberland County’s unique construction landscape.

Leadership

Stacey Morrison – CEO/Owner

With over two decades at the helm of Ganneston, Stacey has extensive knowledge in Cumberland County commercial construction projects. Her vision has shaped countless projects across the region, and her commitment to sustainable growth in Cumberland County is evident in every project Ganneston undertakes.

Emelie Ferland – Vice President – Operations

Emelie’s extensive experience in managing complex projects throughout Cumberland County ensures our operations run smoothly, from urban developments to specialized industrial projects. Her commitment to projects is invaluable to our clients.

Project Management

Our project managers have an average of 15 to 30 years of experience in construction. They understand the nuances of building in diverse environments like Cumberland County.

Engineering and Design

Our design partners specializes in designs that meet Cumberland County’s unique challenges.

Skilled Trades

We employ and partner with the most skilled tradespeople in Cumberland County. Many of our team members have been with us for over a decade, honing their craft on projects across the region.

Sustainability Experts

Our LEED-accredited professionals ensure that our projects not only meet but often exceed Cumberland County’s growing demand for sustainable and energy-efficient buildings.

Local Regulatory Specialists

We have dedicated partners who specialize in navigating the specific building codes and zoning laws of Cumberland County’s various municipalities, ensuring smooth project approvals.

We’re a team of commercial construction experts with local expertise in Cumberland County. Each member of our team brings specialized knowledge and a commitment to excellence. Our deep understanding of the local landscape, combined with our technical expertise, ensures that every project we undertake is tailored to the unique needs of its Cumberland County location.

When you work with Ganneston, you’re partnering with a team that’s as invested in the success of your project as you are, and deeply committed to the continued growth and prosperity of Cumberland County.

Contact Us for Cumberland County Commercial Construction

We’re excited to learn about your project and show you how Ganneston can make a difference in Cumberland County. Here’s how you can get started:

  1. Initial Consultation
    Schedule a free, no-obligation consultation with our Cumberland County experts. We’ll discuss your vision, answer your questions, and provide initial insights tailored to your specific location within the county.
  2. Site Visit
    For qualifying projects, we’ll conduct a complimentary site visit to assess your location’s specific needs and challenges.
  3. Customized Proposal
    Based on our discussions and site assessment, we’ll provide a detailed proposal tailored to your project’s unique requirements and the specific characteristics of your Cumberland County location.
  4. Project Kickoff
    Once you’re ready to move forward, our dedicated Cumberland County team will be with you every step of the way, from groundbreaking to ribbon-cutting.

Contact Us Today

Don’t let your Cumberland County construction project wait another day. Reach out to Ganneston Construction and experience the difference that local expertise and commitment can make.

Ready to build in Cumberland County? Let’s talk.

Contact us

Ganneston Construction Corp

3025 North Belfast Avenue,
P.O. Box 27
Augusta, Maine 04332
Tel: 207-621-8505 | Fax: 207-621-8508

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Copyright © 2026 Ganneston Construction Corp | Developed by Anania Bailey
  • About
    • Partnering With Us
    • Supporting The Trades
    • Safety
  • Services
    • Pre Construction Services in Maine
    • General Contracting
    • Construction Management Services in Maine
    • Design Build Construction in Maine
    • Metal Building Systems in Maine
    • Historical Building Renovation in Maine
  • Projects
    • Case Study: Johnson Hall Opera House Historic Renovation
    • Case Study: New Gloucester State Fish Hatchery
  • Blog
  • Careers
  • Contact Us
  • Safety Data Sheets