Anura Design specializes in ADU design, offering styles from modern farmhouse and contemporary steel to Mediterranean stucco. Their interiors feature open-concept layouts, natural wood tones, and refined finishes tailored to compact, functional li... read more
Metricon Homes offers ADU construction and garage conversion services. Choose from 5 sizes: Marigold, Camellia, Magnolia, Dahlia, and Sunflower. Their Design to Doorstep process covers custom design to completion. Licensed contractor: Tobin Brinke... read more
Remodeling Heroes is a licensed ADU contractor in the SF Bay Area offering garage conversions, detached ADUs, in-law suites, permits, and full project management for code-compliant, lot-smart accessory dwelling unit construction.
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Shefer Builder Inc. offers full-service ADU construction, managing design, permits, and building. Specializing in detached ADUs, granny flats, and in-law suites, they deliver custom accessory dwelling units that boost property value and rental inc... read more
We are a family-first, boutique residential design & build firm serving the Orinda and East Bay community. We’re not just service providers — we’re your neighbors. We understand the local permitting process, the hillside terrain, the fir... read more
Hilario Construction is a Santa Rosa ADU contractor offering full-service accessory dwelling unit construction, including permits, design, and turnkey delivery. Serving Santa Rosa, Windsor, and Petaluma, they build detached ADUs, granny flats, and... read more
Alpha1 Builders in Elk Grove, CA specializes in ADU construction, including garage conversions, attached, detached, junior, and multi-tenant ADUs. They manage design, permitting, and build, helping homeowners add value and rental income.
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PCI Construction Inc is a trusted ADU contractor offering custom accessory dwelling units, garage conversions, granny flats, and in-law suites. Licensed, bonded, and insured, they handle permitting, design, and construction efficiently.
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Element Home Remodeling is a Mountain View ADU contractor offering full design-build services in Silicon Valley. They specialize in garage conversions, backyard cottages, in-law suites & rental units, serving Palo Alto, Sunnyvale & San Jos... read more
Eco Scale Construction builds ADUs in Sunnyvale, Los Altos & Palo Alto, CA. Services include detached ADUs, garage conversions & JADUs. Costs range from $80K–$400K+. Fully compliant with California ADU regulations.
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Jaws Construction Services builds ADUs, garage conversions, and JADUs. They handle permits, HOA coordination, and offer site-built or prefab options. East Bay ADUs rent for $1,500–$3,500+/month, potentially boosting property value.
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prefabADU is a Bay Area ADU builder with 16+ years of experience offering affordable kits and plans from under $45K. With 12 state-approved plans valid across California, they simplify permits, design, and installation for homeowners.
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HBC Construction, based in Fremont, CA, specializes in ADU building, garage conversions, new homes & additions across the Bay Area. Licensed, code-compliant, full-service from planning to completion.
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Kaplan Architects added a 280 sq ft ADU to an existing garage in Crocker Highlands, Oakland. Built into a hillside, it features a kitchenette, full bath, and Tudor-style exterior, serving as office, studio, or rental unit.
read moreConcord, 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.
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:
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:
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.
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.