ADU Contractors near Concord, CA
Edrington and Associates
5944 Claremont Avenue, Oakland, CA 94618
16.3 miles
Edrington and Associates helps property owners add ADUs—garage conversions, detached units, or Junior ADUs. They offer ADU Feasibility Studies in three packages and a free 15-minute consultation to explore options.
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Griggs Construction
6118 Market Street, Oakland, CA 94608
17.3 miles
LRL Builders, Inc.
1661 Botelho Drive, Walnut Creek, CA 94596
6.3 miles
LRL Builders, Inc. is a licensed ADU contractor in Walnut Creek, CA, specializing in detached, attached, garage conversion, and junior ADUs. They handle design, permitting, and construction, serving Walnut Creek and surrounding Bay Area communitie... read more
DreamHome Remodeling & Builders
36 Harold Avenue, Santa Clara, CA 95050
44.5 miles
Backyard Homes
2800 5th Street, Davis, CA 95618
43 miles
Backyard Homes is a top ADU builder in Sacramento with 80+ completed units. They offer detached, attached, and conversion ADUs, handling design, permitting, and construction for a seamless experience across the greater Sacramento region.
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Apex ADU Builders
10050 North Foothill Boulevard, Los Angeles, CA 95014
45 miles
Apex ADU Builders is a Los Angeles-based contractor specializing in accessory dwelling unit construction. Services include new builds, garage conversions, permitting, and design. Costs range from $80K–$400K, with potential ROI 35% higher than ho... read more
Bobcat Builders
East Palo Alto, CA 94303
35.4 miles
Bobcat Builders is a Bay Area ADU contractor specializing in accessory dwelling units in Palo Alto. They offer attached & detached ADUs, garage conversions, granny flats & in-law suites, backed by a Two Year Satisfaction Guarantee.
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Tucan Builder
50 Woodside Plaza, Suite 814, Redwood City, CA 94601
37.6 miles
Tucan Builder is a family-owned general contractor in Redwood City, CA, serving San Mateo County. Specializing in ADU construction, room additions, kitchen remodeling, and home renovations, they bring 30+ years of combined experience.
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Home Quality Remodeling
1070 Concord Avenue, Concord, CA 94520
3.2 miles
Home Quality Remodeling Inc. is a licensed Bay Area general contractor (CSLB #838832) with 20+ years of experience. Services include kitchen & bathroom remodeling, room additions, ADUs, and outdoor living across Concord, San Jose, and Paramus,... read more
DMC Construction LLC
1177 Vanderbilt Circle, Manteca, CA 95337
45 miles
Welcome to limitless possibilities with DMC Construction’s Accessory Dwelling Unit (ADU) construction services. As the demand for flexible living spaces grows, they stand ready to transform your property with innovative and expertly crafted acce... read more
Dream Build Services
3654 Thornton Ave, Fremont, CA 94536
28.3 miles
Dream Build Services is a full-service ADU contractor in Fremont, CA, offering detached ADUs, garage conversions, basement conversions, and JADUs. Services include design, permits, electrical, plumbing, HVAC, and solar integration across the East ... read more
Atlas Construction
101 Jefferson Drive, Menlo Park, CA 94025
35.1 miles
Atlas General Construction delivers complete ADU construction for detached, attached, and converted structures. Our team manages every phase of development including zoning research, architectural coordination, structural engineering, Title 24 com... read more
Excellent Home Remodeling
1310 Alma Avenue, Walnut Creek, CA 94596
6.4 miles
Excellent Home Remodeling offers professional home addition services in Sonoma, helping homeowners expand living spaces, add bedrooms, bathrooms, home offices, or in-law suites. They handle planning and execution tailored to each property's needs.... read more
King David Construction
3000 El Camino Real, Palo Alto, CA 94306
38.9 miles
King David Construction is a Palo Alto ADU contractor offering full-service design, permitting & construction across the Bay Area. Specializing in detached ADUs, garage conversions & in-law suites.
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Edri Construction, Inc. Mill Valley
1 Belvedere Pl, Mill Valley, CA 94941
30.8 miles
Edri Construction, Inc. is a Mill Valley-based Bay Area ADU contractor offering full-service accessory dwelling unit construction, including garage conversions, detached ADUs, JADUs, and in-law suites, with permit handling and energy-efficient bui... read more
Other cities in California
What you need to know
ADU Contractors in Concord, CA: Building in the Heart of Contra Costa County
Concord, California, located in Contra Costa County, is one of the largest cities in the East Bay region with a population of over 130,000 residents. As housing demand continues to surge throughout the Bay Area, ADU contractors in Concord, CA are playing a critical role in helping homeowners maximize their property potential. Concord's relatively spacious suburban lots, combined with California's progressive ADU legislation, make it an ideal city for accessory dwelling unit construction.
Understanding Concord's ADU Regulations and Permitting Process
Before breaking ground, experienced ADU contractors in Concord must navigate the city's specific permitting requirements through the Concord Community Development Department. Concord follows California state ADU laws (AB 68, AB 881, and SB 13), which streamline approvals and limit excessive local restrictions. Key regulations homeowners and contractors should be aware of include:
- ADUs up to 800 square feet cannot be denied based on floor area ratio
- Detached ADUs can reach up to 1,200 square feet depending on lot size
- Junior ADUs (JADUs) up to 500 square feet are permitted within existing primary structures
- Setback requirements of 4 feet from rear and side property lines for detached ADUs
- Owner-occupancy requirements have been suspended under current California state law
Types of ADUs Commonly Built in Concord
Professional ADU builders in Concord, CA typically work on several types of accessory dwelling units suited to the city's residential neighborhoods. Given Concord's mix of ranch-style homes and larger suburban lots, the most popular options include:
- Detached ADUs – Standalone backyard cottages or guest houses
- Attached ADUs – Additions connected to the primary residence
- Garage Conversions – Transforming existing garages into livable spaces
- Junior ADUs (JADUs) – Converted rooms within the existing home footprint
Why Hire a Local ADU Contractor in Concord?
Working with a licensed ADU contractor familiar with Concord's building codes is essential for a smooth construction process. Local contractors understand Concord's specific zoning maps, utility connection requirements through Contra Costa Water District, and the nuances of working within established neighborhoods. They can also efficiently coordinate with PG&E for electrical upgrades, which is often necessary for new ADU construction in the area.
Costs and ROI for ADU Construction in Concord
The cost of building an ADU in Concord typically ranges from $150,000 to $350,000 depending on size, type, and finishes. Given Concord's rental market, where average rents continue to rise alongside Bay Area demand, homeowners can expect strong returns on investment. A well-built ADU can generate $1,500 to $2,500 per month in rental income, making it a financially sound long-term investment for Concord property owners.