Garage Conversion in Union City, CA | San Jose Garage Conversions

Local Knowledge

Garage conversions built around Union City's tract and transit-area housing

Union City's residential neighborhoods were largely built out in the 1960s and '70s tract-home wave, with fairly standard two-car garages that convert predictably, while areas closer to the BART station have seen more recent infill and redevelopment with somewhat different lot patterns. Rental demand near the transit corridor tends to run a bit higher than in the city's more purely residential pockets, which is worth factoring in if the goal is an independent rental unit rather than space for family. We confirm your specific neighborhood's context and garage condition before recommending an approach.

Services in Union City

What we build for Union City homeowners

Garage-to-JADU Conversion

Convert your attached Union City garage into a Junior ADU within your home's existing footprint — simpler permitting, shared utilities, up to 500 sq ft.

Garage-to-ADU Conversion

A full accessory dwelling unit with independent utilities, built out from your existing attached or detached garage in Union City.

Garage-to-Home Office / Studio

A quiet, code-compliant workspace built into your Union City garage, without triggering dwelling-unit permitting.

Detached Garage Conversion

Standalone Union City garages converted into a backyard ADU, studio or guest unit, with new utility runs sized for the finished space.

Our Process

How a Union City garage conversion moves from design to final inspection

01

Design & Feasibility Review

We evaluate your Union City garage's slab, framing and ceiling height against what you want to build, and confirm your lot's setback and coverage rules.

02

Permits & Title 24 Compliance

We prepare and file your permit package with Union City's building department, including Title 24 energy calculations, and manage plan check corrections.

03

Construction & Rough-In

Framing, insulation, electrical, plumbing and HVAC rough-in built to the approved plans.

04

Final Inspection & Handoff

We schedule and walk through final inspection with Union City, then hand you a finished, permitted space.

Why Union City Homeowners Choose Us

Union City homeowners come to us because proximity to BART changes rental demand for a converted unit, and older tract-home garages here convert fairly predictably once we've confirmed their condition.

JADU & ADU permitting specialists

We know the difference between a JADU and an ADU cold, and scope your project to the one that actually fits your goals.

Licensed, bonded & insured

Full California contractor's license and insurance coverage — ask to see it.

We know Union City's specific rules

Union City's tract-home garages from the 1960s and '70s convert fairly predictably — we confirm structural condition and, near BART, factor in stronger rental demand.

We evaluate what's already there

Existing garage slabs, framing and rooflines aren't automatically reused or automatically torn out — we assess what's structurally sound first.

Service Areas

Also converting garages nearby.

Based in San Jose, working throughout Santa Clara, San Mateo and southern Alameda counties.

Atherton Belmont Campbell Cupertino Dublin East Palo Alto Foster City Fremont Gilroy Hayward Hollister Los Altos Los Altos Hills Los Gatos Menlo Park Milpitas Morgan Hill Mountain View Newark Palo Alto Pleasanton Redwood City San Carlos San Jose San Mateo Santa Clara Saratoga Sunnyvale Union City Woodside

FAQ

Questions homeowners ask us

It can be worth factoring in — rental demand tends to run a bit higher near the transit corridor, which pushes some homeowners toward a full independent ADU rather than a JADU. We'll walk through the tradeoffs based on your specific goals and location.

A JADU stays within your garage's existing footprint, is capped at 500 square feet, and can share utilities with the main house — usually a simpler, faster permit. An ADU can be larger or detached, requires independent utilities, and has no owner-occupancy requirement.

It depends on project type and the city's current plan check volume — a JADU with shared utilities typically moves faster than a detached ADU with new utility connections. We'll give you a realistic timeline once we've reviewed your specific garage and plans.

Yes — we prepare the Title 24 energy calculations and CF1R documentation as part of every permit package, and manage plan check correspondence directly with the city so you're not the one interpreting correction letters.

Free, No-Obligation Quote

Let's talk about your garage.

Tell us what you're converting it into — a JADU, an ADU, an office — and we'll get back to you with next steps, usually within one business day.

(408) 442-9136

JADU & ADU garage conversions for Union City homeowners

What are you building in Union City?