ADU Contractors near Vallejo, CA
Jaws Construction Services
14000 Kelso Road, Byron, CA 94514
36.1 miles
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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Sonoma Residential Services
1730 Waterside Lane, Petaluma, CA 94951
23.4 miles
Sonoma Residential Services is a Sonoma County contractor specializing in ADUs, garage conversions, granny flats, JADUs, home additions, and kitchen & bathroom remodels, offering local permitting expertise for residential projects.
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Jeff Martinez Construction
11 Susie Ct, Oakley, CA 94561
30.6 miles
Jeff Martinez Construction Inc. builds ADUs in Oakley, CA with 27+ years of experience. Services include detached ADUs, garage conversions, permits, finishing, and landscape integration across Contra Costa County.
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Palo Alto ADU Solutions
2590 Marshall Drive, Palo Alto, CA 94303
47 miles
Custom ADU builders in Palo Alto, CA, specializing in granny flats, detached ADUs & backyard cottages. Personalized design, permitting, and full construction management for quality accessory dwelling units.
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Mana Construction Inc
531 Ridge Ave, Vallejo, CA 94591
2.3 miles
Shed Shop
3201 Diablo Avenue, Hayward, CA 94545
31.8 miles
Shed Shop offers ADUs (Accessory Dwelling Units) via their Mini Cottage program. Sizes range from 192 to 480 sq. ft. Services include foundation, plumbing, electrical, permits & more. Available in select cities.
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Edri Construction, Inc. Mill Valley
1 Belvedere Pl, Mill Valley, CA 94941
22.9 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 building.
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Regency Construnction & Remodeling BA
The Paramount, 95 3rd St, San Francisco, CA 94103
24.3 miles
Regency Construction & Remodeling BA is a San Francisco ADU contractor offering new builds, space conversions, and prefab ADU solutions. They handle design to completion, manage permits, and ensure compliance with local zoning laws.
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ADBC Architecture
460 Mandana Boulevard, Oakland, CA 94610
20.6 miles
ADBC Architecture completed an 800 SF detached ADU in East Bay, CA in 2025, designed for multigenerational living. Built with thermally modified wood and steel, the backyard cottage features high ceilings and large windows for a spacious feel.
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MTR
1984 Enterprise Boulevard, West Sacramento, CA 95691
47.3 miles
MTR (Modern Technology Resources Inc.) offers full-service ADU design and construction in Sacramento, CA. Services include custom builds, garage conversions, permit management, and prefab options—helping homeowners add value with functional, affordable accessory dwelling units.
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Karl Kardel Company
4926 East 12th Street, Oakland, CA 94601
23.8 miles
Karl Kardel Company offers home remodeling, additions, and ADU construction in Oakland, Pasadena, and the Bay Area. Services include detached ADUs, garage conversions, granny flats, kitchen and bathroom renovations for residential properties.
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Mission Home Remodeling
475 Gough Street, San Francisco, CA 94102
25.3 miles
Optivest Build
1580 3rd Avenue, Walnut Creek, CA 94597
16 miles
Optivest Build is a licensed general contractor offering ADU construction, garage conversions, home additions, renovations, and new builds. They manage permits, design, and inspections, delivering residential and commercial projects on time and within budget.
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Wellmade
2371 Verna Court, San Leandro, CA 94577
28.3 miles
Wellmade is a California prefab ADU builder specializing in panelized accessory dwelling units. Founded in 2020, they've completed 200+ projects, reducing construction waste by 85%. Serving CA, OR, and WA with all-inclusive pricing.
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Quality Choice Construction & Painting
900 Doolittle Drive, Oakland, CA 94577
27.3 miles
Quality Choice Construction & Painting offers ADU construction services including studio, 1-bedroom, and 2-bedroom units. Options include garage conversions, backyard cottages, and detached ADUs for rental income or multi-generational living.
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Other cities in California
What you need to know
ADU Contractors in Vallejo, CA: Building in a City of Unique Opportunity
Vallejo, California, situated in Solano County along the northern edge of San Francisco Bay, is a city with a rich naval history and a diverse, growing community. Known for its proximity to the Bay Area job market and its relatively affordable housing compared to neighboring cities, Vallejo has seen a significant surge in interest for Accessory Dwelling Units (ADUs). Homeowners are increasingly turning to experienced ADU contractors in Vallejo to maximize their property value and address the region's ongoing housing demand.
Understanding Vallejo's ADU Regulations and Permitting Process
Before breaking ground, it's essential to understand the local rules governing ADU construction in Vallejo. The City of Vallejo follows California state ADU law, which has been significantly streamlined in recent years, but also enforces its own local ordinances. Key regulations that qualified Vallejo ADU contractors must navigate include:
- Setback requirements: Detached ADUs typically require a minimum 4-foot setback from rear and side property lines.
- Maximum unit size: Detached ADUs can be up to 1,200 square feet, while attached ADUs are generally limited to 50% of the primary dwelling's square footage.
- Height limits: Detached ADUs are generally limited to 16 feet in height, though this can vary based on proximity to the main structure.
- Owner-occupancy: California law has suspended owner-occupancy requirements for ADUs until 2025, giving Vallejo homeowners added flexibility.
- Utility connections: ADUs may require separate utility connections, and Vallejo contractors must coordinate with local utility providers accordingly.
Types of ADUs Commonly Built in Vallejo
Experienced ADU builders in Vallejo work with a variety of unit types to suit different lot sizes and homeowner goals. The most common options include detached ADUs, attached ADUs, garage conversions, and Junior ADUs (JADUs). Given Vallejo's mix of older craftsman-style homes and mid-century properties, garage conversions are particularly popular, as many properties feature detached garages that can be efficiently transformed into livable space.
Why Hire a Local ADU Contractor in Vallejo?
Hiring a licensed and experienced local ADU contractor in Vallejo, CA is critical to a successful project. Local contractors are familiar with the Vallejo Building Division's permitting timelines, plan check requirements, and inspection processes. They also understand the specific soil conditions and seismic considerations relevant to Solano County. A knowledgeable contractor will help you:
- Prepare and submit accurate permit applications to the City of Vallejo
- Design an ADU that complies with local zoning and building codes
- Manage subcontractors for electrical, plumbing, and HVAC work
- Complete the project on time and within budget
Start Your Vallejo ADU Project Today
With housing demand continuing to rise across the Bay Area, building an ADU in Vallejo is a smart investment. Whether you're looking to generate rental income, house extended family, or increase your property's resale value, working with a trusted ADU contractor in Vallejo, California is the first step toward turning your vision into reality.