Service Area — Bay Area
ADU & Modular Home Builder
in San Ramon,California
San Ramon is a master-planned Tri-Valley city home to Chevron and AT&T campuses, excellent schools, and one of the most family-friendly environments in the East Bay. Its combination of corporate employment, top-rated schools, and premium suburban character makes ADU investment here reliable and high-yielding. Epic Modulars builds factory-made ADUs in San Ramon starting at $79K.
Why Build in San Ramon?
San Ramon is home to Chevron and AT&T corporate campuses
ADU rents of $2,000–$3,100/month reflect demand from corporate employees who prefer single-family neighborhood settings.
San Ramon Valley Unified School District is consistently ran
San Ramon Valley Unified School District is consistently ranked among the top school districts in California, making ADU rentals here highly sought after by families.
The city's master-planned neighborhoods and newer housing st
The city's master-planned neighborhoods and newer housing stock make it one of the most livable suburban ADU markets in the East Bay.
ADU Permits in San Ramon
San Ramon Building Division processes ADU applications under California's streamlined ADU framework. Ministerial approval applies to all compliant applications. Plan check typically takes 4–8 weeks. San Ramon's newer residential neighborhoods were planned with larger lot sizes, making rear-yard ADU placement feasible on most properties. No owner-occupancy requirement. Impact fees are limited for ADUs under 750 sq ft.
- Permit Authority:San Ramon Building Division
- Typical Timeline:4–8 weeks for standard review
- ADU Size Range:150–1200 sq ft
- Max Height:18 ft (detached)
Est. Monthly Rental Income
$2,000–$3,100/month
Estimated market rental range for ADUs in San Ramon, Contra Costa County. Actual rents vary by size, location, and finishes.
Epic Modulars provides full permit assistance in San Ramon. We handle submittal, tracking, and coordination with San Ramon Building Division.
ADUs & Homes for San Ramon Homeowners
All models are factory-built in California and pre-engineered for permitting in Contra Costa County.
1-Bed / 1-Bath ADU
The most popular ADU size in California. Full bedroom, living area, kitchen, and bath. Strong rental demand in every market.
2-Bed / 1-Bath ADU
Maximum income potential for families and couple renters. Full-size living, two private bedrooms, and a large bath.
Modular Home
Full-size modular homes from 1,336 to 2,500 sq ft. Factory-built with the same speed and cost predictability as our ADUs.
How It Works in San Ramon
Site Assessment
We visit your property, verify setbacks, utilities, and lot coverage, and confirm your ADU or home options. Free, no obligation.
Design & Permits
We select the right model, prepare permit-ready drawings, and submit to your local building department. We track it to approval.
Factory Build
Your ADU or home is built in a controlled California factory — consistent quality, no weather delays, parallel site prep.
Installation
We deliver, set, and finish your unit on-site. Final inspections, utility connections, and keys in hand.
ADU Questions for San Ramon Homeowners
Who are the typical ADU renters in San Ramon?
San Ramon ADU renters include Chevron, AT&T, and Bishop Ranch office park employees, families seeking San Ramon Valley Unified School District access, and East Bay commuters who use the Interstate 680 corridor.
How do San Ramon school districts affect ADU rental value?
San Ramon Valley Unified School District consistently ranks among the top 5% of California school districts. ADUs within attendance zones for top schools command a measurable rent premium from families, which tends to reduce vacancy and increase rent stability.
What lot sizes are typical in San Ramon for ADU construction?
San Ramon's planned communities offer a range of lot sizes, from 5,000 sq ft townhome lots to 12,000+ sq ft estate lots. Most single-family lots in established neighborhoods like Crow Canyon and Norris Canyon can accommodate a detached ADU.
Is San Ramon a better ADU market than Pleasanton?
Both cities are strong Tri-Valley ADU markets with comparable rents and school quality. San Ramon offers slightly more corporate employment diversity (Chevron, AT&T, numerous Bishop Ranch tenants). Pleasanton offers better BART access. Epic Modulars serves both cities.
We Also Serve Nearby Communities
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