Our annual ranking of top construction firms highlights the top companies in Windsor based on their project volume over the past year, with a focus on relevance. This compilation is derived from permit and contractor information sourced from city, county, and state building departments through our partners at BuildZoom. For further information regarding data accuracy, please consult the note at the end of this article.
Construction data plays a vital role for many stakeholders in the building industry. Suppliers of materials and services can strategically use this information to time their outreach—especially when major projects kick off and contractors are actively seeking resources. By analyzing construction market trends and contractors’ growth patterns, these suppliers and service providers can focus their efforts on businesses that are expanding and likely to need more support. Subcontractors also benefit by identifying and connecting with general contractors for upcoming projects. Meanwhile, real estate developers, property owners, and others looking to hire contractors can use detailed contractor data to verify the expertise and reliability of potential partners. Overall, leveraging construction data helps industry players make smarter, more timely decisions.
| Business | # Projects (’23) | Average Contract Value |
|---|---|---|
| Warren Construction | 35 | $34K |
| SBGC, Inc. | 9 | $58K |
| Brandywine Builders | 4 | $87K |
| D&R Construction | 4 | $80K |
| David Cunningham Construction Corporation | 4 | $5K |
Warren Construction
Address:
5642 Bellflower Blvd, Lakewood, CA 90713
Warren Construction is a full-service remodeling company offering everything from single-room renovations to whole-home remodels, including kitchens, bathrooms, basements, additions, ADUs, roofing, and skylight installations.
Using data from the Town of Windsor Building Division, the team at General Contractors Magazine identified past projects completed by Warren Construction. In 2021, the company undertook a $14,703 residential alteration that included work on a garage. More recently, in 2023, Warren Construction completed a detached garage project.
SBGC, Inc.
Address:
725 Farmers Ln, Santa Rosa, CA 95405
At SBGC, Inc., we specialize in high-quality, custom construction services—from renovations and ADUs to kitchens and custom homes. Our team is dedicated to turning your vision into reality with cost-effective solutions, attention to detail, and a personalized approach to every project. No job is too big or small—we treat every client with the same commitment to craftsmanship and care.
Data from the Town of Windsor Building Division was reviewed by General Contractors Magazine to identify past projects completed by SBGC, Inc. In 2021, the company handled two notable projects: one involved constructing a single-family home with a 740-square-foot attached garage, estimated at $375,000, while the other was a similar single-family residence featuring a 484-square-foot garage, also estimated at $375,000. These projects highlight SBGC, Inc.’s proficiency in residential construction with a focus on integrating spacious garage designs.
Brandywine Builders
Address:
501 Pleasant Hill Rd, Sebastopol, CA 95472
Brandywine Builders, led by owner Dustin Deason, has been a trusted name in Sonoma County’s construction industry since its founding in 2001. With over two decades of experience, the company has built a strong reputation for delivering high-quality custom homes, ADUs, estate projects, and small commercial builds. Brandywine Builders stands out for its seamless integration of traditional craftsmanship with modern construction technology, offering clients both precision and transparency throughout the building process. The firm has cultivated an extensive network of trade partners across Sonoma, Napa, and Marin counties, enabling it to efficiently manage projects of all sizes and complexities. A hallmark of the company’s success is its commitment to client collaboration—prioritizing open communication, listening to client needs, and tailoring each project to fit unique goals and site conditions. Their skilled team of architects, project managers, and craftsmen is driven by values of integrity, professionalism, and attention to detail. Notably, Brandywine Builders’ pre-construction services focus on value engineering, cost control, and detailed planning, ensuring smoother execution and long-term value. The company has consistently delivered results that exceed expectations, earning praise for its thoughtful site planning and innovative approaches to ADUs. As it continues to grow, Brandywine Builders remains dedicated to upholding its core mission: delivering exceptional craftsmanship while helping clients bring their visions to life.
Records from the Town of Windsor Building Division were examined by General Contractors Magazine to highlight past work by Brandywine Builders. In 2024, the company completed a garage conversion valued at $86,645. Additionally, in 2010, Brandywine Builders undertook a project involving the construction of a new detached garage. These projects demonstrate the company’s expertise in garage-related construction and renovations.
D&R Construction
Address:
PO Box 495, Clovis, CA 93613
D&R Construction is a versatile building and remodeling company specializing in both residential and commercial projects, including custom homes, multi-family developments, ADUs, full-scale renovations, flooring, roofing, site work, and specialty construction such as pools, masonry, and foundations.
General Contractors Magazine examined project data from the Town of Windsor Building Division to evaluate D&R Construction’s past work. In 2006, the firm completed a new two-story single-family home with an attached garage, valued at more than $945,000. More recently, in 2021, D&R Construction delivered another large-scale residential project—a $700,000 two-story home featuring a 692-square-foot, three-car garage. These examples reflect the company’s depth of experience in high-end residential construction and its enduring role in the local building industry.
David Cunningham Construction Corporation
Address:
512 Oak Lake Ave, Santa Rosa, CA 95409
David Cunningham Construction Corporation specializes in comprehensive remodeling services, including kitchens, bathrooms, basements, whole-home renovations, and additions tailored to meet diverse residential needs.
Data from the Town of Windsor Building Division, reviewed by General Contractors Magazine, reveals past projects completed by David Cunningham Construction Corporation. In 2021, the company undertook a $150,000 residential alteration project that included garage work. More recently, in 2024, they completed a smaller-scale $3,000 garage alteration. These projects showcase the company’s ongoing expertise in residential remodeling and renovation.
Note: The data used to compile this list may not be complete based on the availability of permit data – collecting and consolidating this data is a time-intensive and difficult task. It may not be complete in all areas due to jurisdictional reporting requirements and the availability of data. Job values and permit fees should be taken as estimates rather than exact values, based on the most complete permit and contractor data available. Additionally, number of projects and typical job size may be updated per contractor request.
The time period for the data used for this ranking was the past 365 days, plus an additional 45 days to account for the average timeline of a building permit. If you have any suggestions on the data or see any corrections that you’d like to give feedback on, please fill out this form. For more insights on construction data outside that are not directly related to contractors, there are other resources available as well.
