







A free site visit, a check of what your lot allows and a written, line-item price.
Get your free estimateFast, Reliable Garage Conversion Contractor Across Poway
Converting a garage into living space in Poway typically costs between $85,000 and $165,000 for a full attached conversion with permits, and most projects take 4 to 7 months from design to final inspection. Those are real numbers for Poway’s market, not coastal San Diego prices, and they reflect the fire-zone material requirements, panel upgrades, and hillside engineering that come with building here. If you want a straight answer on what your specific garage can become and what it will cost, call us at (619) 376-2760. We’re Lodgewick ADU San Diego, and we’ve walked enough Poway properties to know what the city will ask for before we ever open a wall.

We work across Poway every week, from the ranch homes off Espola Road to the newer subdivisions north of Poway Road. Dispatch and scheduling are coordinated from our San Diego office, but the crews that show up at your door know Poway’s building department, its fire zone maps, and its equestrian setback rules. That local knowledge is the difference between a permit that sails through and one that stalls for months.
Why Lodgewick ADU San Diego Is Poway’s Preferred Garage Conversion Contractor Company

Our reputation in Poway comes from a simple approach: we write down the price before we start, we show up in the window we gave you, and we come back if something isn’t right. That last part is called the 365-Day Done Right Promise. It’s a written guarantee on every project, and it means exactly what it says. If the work fails within a year, we return and make it right at no charge.
Russ Delmar leads our crews, and Russ has pulled enough Poway permits to know which inspectors ask for what. He’s the one who reviews every estimate before it reaches you, and he’s the one who walks the job site when a surprise comes up. You won’t get a salesperson who has never swung a hammer. You get someone who knows what a hillside lateral load calculation is and why Poway’s building department won’t waive it.
We’re also one of the few Garage Conversion Contractor teams in the area that works directly with prefab manufacturers like Boxabl and Plant Prefab when a homeowner wants a faster, cleaner build. For traditional stick-built conversions, we specify James Hardie siding and Type X drywall as standard in fire zones. Every technician on your property is background-checked and uniformed. Every call to (619) 376-2760 is answered by a live person, day or night.
Garage Apartment Conversion in Poway
A Garage Apartment Conversion in Poway turns an existing attached or detached garage into a self-contained rental unit with its own kitchen, bath, and private entrance. Homeowners pursue this when they want rental income, a space for aging parents, or a long-term guest suite that doesn’t crowd the main house. In Poway, where many lots exceed 10,000 square feet, detached garage apartments are especially common because the structure is already there, and the setback from the main house creates natural privacy.
Expect to pay $110,000 to $190,000 for a detached garage apartment conversion in Poway, depending on whether you’re starting with a finished garage or a bare frame. That range includes the electrical panel upgrade, insulation, drywall, flooring, kitchenette, bathroom, and all permits. If the garage sits in a mapped fire hazard zone, add $8,000 to $15,000 for ignition-resistant siding, ember-resistant vents, and Type X drywall.
Attached Garage Conversions
Attached conversions share a wall with the main house, which changes the fire separation requirements. Poway requires a one-hour fire-rated wall between the new living space and the rest of the home, plus a self-closing door if there’s direct access. The cost is usually lower than a detached conversion because utilities are closer and you’re not trenching new lines across the yard.
Converting a Detached Garage on a Poway Lot
Detached garages give you more freedom with layout and ceiling height, but they bring extra costs for running water, sewer, and power lines. On Poway’s larger lots, the distance from the main panel to the garage often means a longer trench and heavier wire gauge. We include those costs in the written price you get before we start, so there’s no change order at the door.
Garage Conversion Permit in Poway
A Garage Conversion Permit in Poway is the city’s official approval to change a garage from vehicle storage into habitable space, and the process typically takes 4 to 10 weeks for plan review. Poway’s Building Department checks your plans against the California Residential Code, the city’s Wildland-Urban Interface fire ordinances, and any applicable hillside or equestrian setback rules. We handle the permit package from start to finish: drawings, structural calculations, fire zone documentation, and submittals.
The permit itself costs between $3,500 and $7,500 for a typical garage conversion in Poway, depending on the project valuation and whether you need a fire-resistive construction review. School fees and utility connection charges add another $4,000 to $9,000. We build those line items into your written estimate so you see the full picture before you sign anything.

What Triggers a Longer Review
If your garage is within 30 feet of a horse stall or manure storage area, which is common in Green Valley and parts of Old Poway, the city will apply additional health and safety setbacks. That can push your permit review out by several weeks. We check for equestrian features on the first site visit so we’re not surprised at the permit counter.
Fire Zone Documentation
Homes in Poway’s mapped Very High Fire Hazard Severity Zones must submit a Fire-Resistive Construction plan with the permit application. That plan specifies the ignition-resistant materials, vent screens, and glazing requirements for the converted garage. We prepare this documentation in-house, and we’ve never had a Poway fire zone plan rejected on the first submittal.
Trusted Brands We Service in Poway
We work with established ADU and materials brands that hold up to Poway’s heat, dry air, and fire-safety demands. For homeowners who want a prefab path, we install Boxabl units and coordinate Plant Prefab panelized builds, handling the site work, foundation, and utility hookups so the garage conversion comes together fast without cutting corners on code. For stick-built projects, we specify James Hardie fiber cement siding on exterior fire-rated walls because it meets Poway’s ignition-resistant requirements and shrugs off the inland sun. We also service existing Tuff Shed structures that homeowners want to convert, though many need substantial reinforcement before they can meet habitable-space codes. We carry common parts and materials for Poway jobs in our San Diego warehouse, which means less waiting when a build hits the framing or drywall stage.
Common Garage Conversion Contractor Problems We See in Poway Homes
- Undersized electrical panels. Most Poway homes built in the 1960s through 1980s have 100-amp service. A converted garage with a kitchenette, bathroom heater, and air conditioning will overload that panel, and Poway’s building department routinely requires a 200-amp upgrade before approving the permit. We include the panel upgrade in your written price from day one, not as a surprise later.
- Termite damage in garage framing. Poway’s dry climate doesn’t eliminate subterranean termites. On older homes, the bottom plates and lower studs in garage walls are often compromised. We sister new pressure-treated framing where the damage is structural, and the repair is documented and inspected before drywall covers it.
- Water intrusion through garage slab edges. Garages sit at grade, and Poway’s winter rains can push water under the walls if the slab wasn’t properly waterproofed. We check for moisture wicking at the base plate on every site visit, and we install a capillary break and proper flashing when we open the walls.
- Equestrian setback conflicts. In Green Valley and other rural-equine areas, a garage that was legal for vehicle storage can sit too close to horse facilities to be approved for habitation. This is a Poway-specific rule that a contractor from coastal San Diego might not know to check. We verify equestrian setbacks before you spend a dollar on design.
Pricing for Garage Conversion Contractor in Poway, CA
A full attached garage conversion in Poway runs $85,000 to $150,000. Detached garage conversions to an ADU run $110,000 to $190,000. Converting a garage to a simple bedroom or living space without plumbing is lower, around $55,000 to $85,000. The biggest cost drivers are the electrical panel upgrade, fire-rated materials if you’re in a fire zone, trenching for utilities on larger lots, and any structural repairs the garage needs after 40 or 50 years. We give you a written, line-item price before any work starts. That price includes the permit fees, the materials, the labor, and our 365-Day Done Right Promise. Call (619) 376-2760 to schedule a free estimate, and we’ll walk your property, check the fire zone map, and put a real number in your hand.
We Also Serve Cities Near Poway
If your property sits just outside Poway’s borders or you have family looking at a Garage Conversion Contractor in Poway project nearby, we also serve Solana Beach, La Mesa, Lemon Grove, and San Diego. Each city has its own building department and fire codes, and we handle those just as carefully as we handle Poway’s.
Serving Poway, CA - Our Local Coverage Area
We’re based in the Poway area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Garage Conversion Contractor in Poway
No, Poway does not require a separate water meter for a garage conversion ADU as of the current code cycle. The new unit can be served by the existing meter on the property. However, if your garage is far from the main water line, you may need a larger supply line to maintain adequate pressure, and that cost should be in your written estimate. Call (619) 376-2760 and we’ll check your specific lot before you commit to a design.
Poway’s dark-sky ordinance requires all exterior lighting on a converted garage to be fully shielded and directed downward, with warm-color bulbs below 3000K. This applies to porch lights, path lights, and any wall-mounted fixtures on the new unit. We specify compliant fixtures as standard on every Poway garage conversion, so you won’t fail a final inspection for a light that points at the sky.
Yes, in most cases you can convert a detached garage that sits forward of the house, but it depends on the zoning district and the specific setbacks on your lot. Poway’s residential codes treat a forward garage differently from a rear-lot garage, and some lots require a variance if the conversion brings habitable space too close to the front property line. We check this before you spend money on plans. Call (619) 376-2760 for a free site assessment.
If your garage sits in a mapped Very High Fire Hazard Severity Zone, Poway requires ignition-resistant exterior wall materials such as fiber cement siding or stucco, ember-resistant vents with 1/8-inch mesh, dual-pane tempered windows, and Type X fire-rated drywall on interior walls. The exact spec depends on your parcel’s fire zone classification, and we prepare a Fire-Resistive Construction plan with every permit submittal in those areas.
Frequently, yes. Most Poway homes from the 1960s through 1990s have 100-amp panels, and adding a kitchen, bathroom, and HVAC load for a converted garage usually pushes past that capacity. Poway’s building department will require a 200-amp panel upgrade before signing off on the permit. We include that upgrade in your written price from the first estimate, so it’s never a surprise line item after demo starts.
Written by Russ Delmar, Owner at Lodgewick ADU San Diego, serving Poway since 2010.




