San José / Garage conversions

Garage Conversion in San José

San José lists a garage conversion to an ADU or junior ADU on its ADU Service page. R&B Master Construction Inc. (CSLB #1158657) is at 84 W Santa Clara St, Suite 700, San Jose, CA 95113. Call (650) 800-9661.

ADU construction overview

The ADU Service includes a garage conversion

The City of San José ADU Service (opens in a new tab) lists a garage or basement conversion to an ADU or junior ADU among the projects it accepts, including that conversion combined with other work on an existing single-family house. Applications are directed to SJPermits.org. Plan uploads go to SJePlans. The plan set is prepared to the City’s Bulletin 211.

The submittal list on that page includes the building permit application, an address request, and either the ADU owner declaration or the junior ADU deed restriction. It also asks for a letter from the water company with flow data at the nearest hydrant. The City notes that many projects are delayed when that letter is missing. This page does not state a construction price or a build duration.

What the universal checklist says about a conversion

On the City’s ADU Universal Checklist (opens in a new tab), a conversion of an existing structure or space shows setbacks as not applicable, with a note that a zero setback still has to meet building and fire requirements. Use the checklist linked from the current ADU pages, because the City updates its forms. A listed preapproved plan is still not a permit by itself.

Our San José ADU builder page covers the broader ADU path, including preapproved plans. This page stays on the garage conversion. When permitting is in the contracted scope, we coordinate the drawings and the City submittal. Headquarters remains 84 W Santa Clara St, Suite 700, San Jose, CA 95113.

Questions homeowners ask

Does San José treat a garage conversion as an ADU project?

The City ADU Service page includes a garage or basement conversion to an ADU or junior ADU. Applications typically start at SJPermits.org, with plans prepared to Bulletin 211 uploaded at SJePlans. Confirm the current checklist on the City website.

What does the San José checklist say about conversion setbacks?

The ADU Universal Checklist shows setbacks as not applicable for a conversion of an existing structure or space, and it notes that a zero setback still has to meet building and fire requirements. The City updates that form, so use the copy linked from the current ADU pages.

Where do I reach R&B about a San José garage conversion?

R&B Master Construction Inc., CSLB #1158657, 84 W Santa Clara St, Suite 700, San Jose, CA 95113. Call (650) 800-9661 or email info@rbmasterconstruction.com.

Official sources

City rules change. The links below are the pages and documents these notes were checked against. Your address can still differ.

Talk with R&B

R&B Master Construction Inc. · CSLB #1158657. Email info@rbmasterconstruction.com. Headquarters: 84 W Santa Clara St, Suite 700, San Jose, CA 95113. Hours: Monday–Sunday, Open 24 hours Pacific Time.

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