Analyze your property's ADU potential.

Convert your property details into a personalized construction cost breakdown, target rental yield projection, and vetted local builder matching dashboard.

Local Area Builders

2 Active

408/669 Area Codes

Median Monthly Rent

$3,450

Est. Local Yield

Build Cost Baseline

$455/sqft

Regional Average

Baseline Build Cost

$237k

Estimated baseline cost for a standard 520 sqft accessory dwelling unit in the San Jose region.

Live Builder MatchesActive

Homeowner ROI Estimator

Calculate your ADU financial potential.

Enter your property and project scope details to unlock a personalized cost, rent, and local builder dashboard.

Full NameEmail AddressPhone NumberZIP CodeProperty AddressProject TypeTarget Square FeetBedroomsBathroomsLot TopographyProject TimelineProperty OwnershipCredit Profile (Est.)Backyard Access ClearancePrimary ADU Goal

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Local FAQ

Frequently Asked Questions for San Jose ADUs

How much does it cost to build an ADU in San Jose (95125)?↓

The baseline construction cost in San Jose is around $455 per square foot. For a standard 520 sqft accessory dwelling unit, the baseline build budget is approximately $236,600. Note that sloped lot topography or custom structural scopes will adjust these figures.

What is the average monthly rent for an ADU in San Jose?↓

Homeowners can expect an average monthly rental rate of approximately $3,450 for a finished ADU in the San Jose area. Local market demands and size scope (number of bedrooms and bathrooms) will influence the actual rental yield.

Are there general contractors available to build ADUs in San Jose?↓

Yes, there are currently 2 active local builders verified to service the 95125 ZIP code matching the local 408/669 area code exchanges. Homeowners can submit their project profile to instantly match with active builders.

Enter project scope

Provide details about your project type (garage, attached, or detached), target bedrooms, bathrooms, and lot topography.

Stress test ROI

Adjust target rent, construction costs, and down payment options in real-time to analyze your net cash flow and yields.

Connect with builders

Once calculated, your lead request is instantly sent to licensed local builders matching your state and zip code criteria.