ADU Contractors near San Ramon, CA
ADU Builders Group
15166 Los Gatos Boulevard, Los Gatos, CA 95032
35.6 miles
ADU Builders Group is a Bay Area family-owned ADU contractor with 21+ years of experience. They build attached, detached, converted, and junior ADUs, offering full design-build services, permitting support, a 3-year warranty, and a 10-year structural guarantee.
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Loona Construction Inc.
8407 Central Avenue, Newark, CA 94560
17.9 miles
Loona Construction Inc. is a San Francisco ADU contractor specializing in detached ADUs, garage conversions, attached ADUs, and JADUs. They handle design, permitting, and construction, helping homeowners add rental income or family housing.
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Urban Shore Builders
226 Delfino Avenue, Point Richmond, CA 94801
27.1 miles
Urban Shore Builders offers full-service ADU design & construction, including garage conversions, detached units & additions. As a turnkey ADU contractor, they handle permits, design & build. Services include plumbing, electrical, HVAC & retaining walls.
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Bay Builders & Remodeling
800 Charcot Avenue, San Jose, CA 95131
26.1 miles
Bay Builders & Remodeling specializes in custom ADU construction across Santa Clara, San Mateo, and East Bay. Services include attached, detached, garage conversions, and JADUs, helping homeowners add rental income, family housing, or workspace.
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Metricon Homes
2010 Crow Canyon Road, Suite 100, San Ramon, CA 94583
2.3 miles
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 Brinker, License #1128717.
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ResCom ADU, LLC
675 Ygnacio Valley Rd B213, Walnut Creek, CA CA 94596
12 miles
ResCom ADU is a full-service ADU builder in Walnut Creek, CA, offering design, permits, engineering, construction & hookups. With 100+ years of combined experience, they deliver custom, cost-effective accessory dwelling units using SIPs & Net-Zero technology.
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Other cities in California
What you need to know
ADU Contractors in San Ramon: Building in One of California's Most Affluent Cities
San Ramon, California, is consistently ranked among the wealthiest and most desirable cities in the Bay Area, with a median household income well above the state average. Located in Contra Costa County within the San Ramon Valley, this thriving city is home to major corporate headquarters and a highly educated population. As housing demand continues to surge across the Bay Area, ADU contractors in San Ramon are playing a critical role in helping homeowners maximize their property value and address the region's housing shortage.
San Ramon ADU Regulations and Zoning Requirements
Before breaking ground, experienced ADU contractors in San Ramon must navigate the city's specific zoning and permitting requirements. San Ramon follows California state ADU laws (AB 68, AB 881, and SB 13), which streamlined ADU approvals statewide, but the city also enforces its own local standards. Key regulations include:
- Maximum ADU 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.
- Setback requirements: A minimum 4-foot rear and side setback is typically required for detached ADUs.
- Height limits: Detached ADUs are generally limited to 16 feet in height.
- Owner-occupancy: San Ramon previously required owner-occupancy, but state law has suspended this requirement through 2025.
- Parking: In many cases, one replacement parking space is required when a garage is converted, though exceptions apply near transit corridors.
Types of ADUs Built by San Ramon Contractors
Professional ADU builders in San Ramon offer a variety of construction options tailored to the city's predominantly single-family residential neighborhoods. Common ADU types include:
- Detached ADUs: Standalone structures built in backyards, ideal for larger lots common in San Ramon neighborhoods like Gale Ranch and Windemere.
- Attached ADUs: Units added to the side or rear of an existing home.
- Garage Conversions (ADUs): Converting existing garages into livable space, a cost-effective option popular in San Ramon.
- Junior ADUs (JADUs): Units up to 500 square feet created within the existing footprint of a primary residence.
Why Hire a Local ADU Contractor in San Ramon?
Working with a licensed ADU contractor familiar with San Ramon ensures your project complies with Contra Costa County building codes, the City of San Ramon's Community Development Department requirements, and California Title 24 energy efficiency standards. Local contractors understand the soil conditions, HOA restrictions common in master-planned communities, and the permitting timelines specific to this city. A knowledgeable contractor can also help you leverage California's ADU fee waivers for units under 750 square feet, potentially saving thousands of dollars.
Whether you're looking to generate rental income, house extended family, or increase your property's resale value, partnering with a qualified ADU contractor in San Ramon, CA is the smartest first step toward a successful build.