Best Home Addition Contractors in Oakland (2024)

Our annual ranking of top construction firms highlights the top companies in Oakland 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 serves a variety of purposes for different stakeholders in the industry. Companies that supply materials and services to general contractors can use this information to effectively reach their target audience. By monitoring significant events, such as the start of major construction projects, these suppliers can time their communications to align with contractors’ needs for new resources, enhancing engagement and relevance. Moreover, understanding contractor data and business trends allows material suppliers and service providers to connect with those on an upward growth path. Similarly, subcontractors can identify general contractors they wish to collaborate with on future projects. Additionally, real estate developers, property owners, and others seeking contractors can assess the quality and skills of contractors and subcontractors by examining detailed information about their past work and construction history.

Green Group Remodeling

Address:
981 Mission St, #34, San Francisco, CA 94103

Green Group Remodeling is a premier contracting firm based in the Bay Area, renowned for its exceptional renovation and remodeling services since its inception over a decade ago. With a steadfast commitment to quality and customer satisfaction, the company has garnered a loyal clientele primarily through positive referrals, boasting an impressive track record of zero unresolved complaints. Their accolades include being featured on the Inc. 5000 list of California’s fastest-growing private companies and receiving a 5-star rating from the Better Business Bureau and Google. Each project is managed by a highly trained crew, ensuring meticulous attention to detail and adherence to the latest industry standards. Headquartered in Concord, California, Green Group Remodeling services the entire San Francisco Bay Area, specializing in kitchen and bathroom remodels, full house renovations, and new construction projects. Their innovative approach combines efficient project management with a personalized touch, fostering strong relationships with clients throughout the remodeling process. By consistently using high-quality materials and cutting-edge techniques, Green Group Remodeling has established itself as a trusted leader in the industry, dedicated to transforming homes with unparalleled craftsmanship.

The team at San Francisco Architects conducted an analysis of past projects from Green Group Remodeling using data from the City of Oakland Planning and Building Department. In 2024, Green Group Remodeling completed a bathroom addition valued at $124,700. Additionally, they undertook an addition project later that year with a budget of $400,000. This review provided valuable insights into the company’s previous work and project values.

California Custom Sunrooms

Address:
2544 Corte Del Marques, Walnut Creek, CA 94598

California Sunrooms, under the leadership of owner and Master Builder Glenn Skidmore, has established itself as a premier contractor in the East Bay region for over 30 years. With a proven track record of over 2,500 successful projects, the company specializes in a variety of home enhancements, including patio enclosures, room additions, and custom outdoor spaces. Renowned for its commitment to quality and customer satisfaction, California Sunrooms has earned accolades such as being voted the #1 dealer for Four Seasons products on the West Coast and achieving a remarkable 95.8% satisfaction rating from clients. Their no-pressure consultation policy ensures that homeowners feel comfortable exploring design options tailored to their specific needs. Known for their integrity and professionalism, the skilled team at California Sunrooms pays meticulous attention to detail, ensuring that each project is executed seamlessly and on time. The company’s strong relationships with architects and engineers further enhance its reputation for excellence in construction and design. Dedicated to transforming homes and enhancing lifestyles, California Sunrooms continues to be a trusted choice for homeowners seeking innovative solutions throughout Alameda and Contra Costa Counties.

Data from the City of Oakland Planning and Building Department was reviewed by the San Francisco Architects team to identify previous projects undertaken by California Custom Sunrooms. In 2024, a residential addition project was completed by California Custom Sunrooms, valued at $35,000. Additionally, in 2024, the company also worked on a single family addition, which was a $70,005 project.

Home Quality Remodeling, Inc.

Address:
1070 Concord Ave, Suite #125, Concord, CA 94520

HQR Home Quality Remodeling, led by Aharon “Ron” Poliker, has been a trusted name in home renovations and general contracting for over 20 years. With a remarkable portfolio of 611 completed projects, the company has garnered recognition as one of the top general contractors in California, earning accolades such as the #3 builder in the state and ranking among the fastest-growing companies in the Bay Area. HQR stands out for its commitment to quality, offering a comprehensive range of services from design to construction, ensuring each project is handled with expertise and care. Their experienced team employs innovative practices like dust and debris barriers to maintain a safe home environment during renovations, setting them apart in the industry. Clients appreciate HQR’s tailored approach, including free estimates and detailed proposals that address individual remodeling needs and budgets. The company’s strong focus on customer satisfaction is reflected in their glowing reviews and high repeat business rate. Community engagement is also a priority, as evidenced by their work with local organizations, further solidifying their reputation as a responsible and dedicated contractor. With over $88 million in revenue, HQR continues to transform homes across the region, making dreams a reality for countless families.

Home Quality Remodeling, Inc.’s past projects were reviewed by the San Francisco Architects team, which analyzed data from the City of Oakland Planning and Building Department. In 2024, the company completed a residential addition project valued at $215,000. That same year, they also undertook a bathroom and kitchen remodel project worth $80,000.

A. Tamam Construction

Address:
611 Gateway Blvd, Suite 120, South San Francisco, CA 94080

A. Tamam Construction, established in 1996, has become a premier general contracting firm in the Bay Area, known for its dedication to quality and customer satisfaction over its 25+ years in business. Starting with a simple bathroom remodel for a neighbor, the company has grown significantly, now operating from two locations and employing over 40 skilled professionals. A. Tamam Construction specializes in a variety of services, including kitchen and bathroom remodeling, home additions, backyard landscaping, and more, always emphasizing innovative design and meticulous attention to detail. Their commitment to customer delight is evident in their approach, where they treat every project as an opportunity to build lasting relationships, ensuring that clients feel like family throughout the remodeling process. With a focus on professionalism and social responsibility, the company aims not just to meet but to exceed client expectations, which is reflected in their consistently high ratings and positive testimonials. A. Tamam Construction is also recognized for its environmentally conscious practices, aligning with the modern homeowner’s values. By integrating cutting-edge techniques and designs, they provide homes with lasting value and appeal, solidifying their reputation as a trusted partner in home transformation. As a top-rated local company, A. Tamam Construction continues to enhance living spaces across the Bay Area, promising an exceptional experience from consultation to completion.

Data from the City of Oakland Planning and Building Department was reviewed by the San Francisco Architects team to identify past projects by A. Tamam Construction. In 2022, A. Tamam Construction completed a room addition project valued at $200,000. Furthermore, in 2024, the company undertook another addition project with a total budget of $70,000. This analysis offered insights into the company’s range of projects and their respective values.

Atlas General Construction

Address:
37390 Cedar Blvd, Suite B, Newark CA 94560

Atlas General Construction, established in Newark, California, has solidified its reputation as a leading contractor in the Bay Area over the past several years. With a dedicated team of engineers, architects, and project managers, the company excels in delivering high-quality homes and renovations, emphasizing integrity and customer satisfaction. Recognized as a top 1% construction firm by Buildzoom, Atlas specializes in comprehensive services, including new home construction, full remodels, and tailored design solutions. Their commitment to using the finest materials and techniques ensures projects not only meet but exceed client expectations. The company prides itself on its sustainable practices, consistently pushing boundaries to create exceptional structures that stand the test of time. With a strong focus on customer experience, Atlas has garnered numerous testimonials from satisfied clients, many of whom return for additional projects, solidifying long-term relationships. Their vision is clear: to establish a legacy of quality and reliability within the construction industry.

Atlas General Construction’s past projects include a significant home addition completed in 2024, which had a total value of $555,469. Additionally, in the same year, the company undertook a kitchen & bathroom remodel that was valued at $50,000. The San Francisco Architects team reviewed data from the City of Oakland Planning and Building Department to gather details about these endeavors.

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.