ADU Company in Temple City, CA
Lodgewick ADU Builders handles accessory dwelling units, garage conversions, and home additions across Temple City, CA. What makes ADU work here different comes down to two things: an older housing stock that was never wired for a second dwelling, and inland summer heat that punishes any ADU built without proper thermal planning. Most Temple City homes date from the 1950s through the 1970s, and many still run original 100-amp electrical panels. If you’re weighing an ADU or garage conversion in Temple City, call Lodgewick ADU Builders at (254) 602-5618 for a written price before any work starts.
Why Temple City Homes Are Different
Temple City’s residential core is built around California ranch-style homes from the 1950s through 1970s on lots averaging 6,000 to 8,500 square feet. Most have detached or attached two-car garages, and that matters for one big reason: garage conversions are the dominant ADU pathway here. A well-built garage conversion on a Temple City lot usually beats a ground-up ADU on both cost and permitting time. But those older garages carry baggage. Original 100-amp panels are common, and galvanized supply lines from the Eisenhower and Carter eras often cannot handle a second dwelling. Before any ADU can be energized and permitted, the panel and often the supply line need an upgrade.
Temple City also sits in the interior San Gabriel Valley, not the coast. Summer highs regularly breach 100 to 105°F due to the inland heat-island effect, far hotter than coastal Los Angeles just 15 miles west. A detached garage converted without thermal envelope upgrades and correctly sized mini-splits for true inland cooling loads becomes unusable in July and August. We size cooling for Temple City’s actual summer, not a generic Southern California average.
There’s a third factor most contractors miss. Temple City runs its own in-house planning department rather than contracting through LA County. The city applies its own ADU owner-occupancy and setback interpretations that differ subtly from neighboring unincorporated county parcels. Contractors who pull permits expecting county-standard submittal checklists and review timelines routinely get tripped up here. We’ve learned to work within Temple City’s process, and our written price accounts for the city’s actual permit path from day one.
One more thing defines Temple City ADU work: demand here is driven overwhelmingly by multigenerational households housing aging parents or in-laws, not by rental investors. Temple City has one of the highest concentrations of multigenerational Chinese-American households in the San Gabriel Valley, with an estimated 55% Asian population that is predominantly Chinese-American. Across Temple City, the design pattern that follows is almost unique in the region: ground-floor accessibility, a full dedicated kitchen for elderly occupants, and carefully balanced privacy-versus-connection between the ADU and the main house. These are not income-unit layouts. They are homes for parents. That changes everything about how we think about door widths, step-free entries, and kitchen ergonomics on a Temple City ADU.
Our Main Temple City Services
Temple City homeowners call us most often for two things: converting an existing garage into a livable ADU, and expanding the main house itself. Here’s what each involves locally.
Home Addition Contractor in Temple City
A home addition on a Temple City ranch-style home usually means extending outward from the rear or side of the existing footprint. On lots of 6,000 to 8,500 square feet, there’s almost always room to add square footage without pushing into setback trouble. The work typically requires upgrading the original 100-amp panel and addressing galvanized supply lines before the addition can pass inspection. Inland heat matters here too: we size heating and cooling for Temple City’s real summer loads, not a coastal average. For the full local breakdown, see our Home Addition Contractor in Temple City page.

Garage Conversion Contractor in Temple City
In Temple City, garage conversions are the most common ADU pathway because the structure already exists, the foundation is already poured, and the city generally processes garage conversion permits faster than ground-up ADU applications. The catch is that 1950s-to-1970s garages here were built as unconditioned spaces. Without a proper thermal envelope and a mini-split sized for 100°F-plus inland summers, the finished unit becomes a sweatbox by July. Our Garage Conversion Contractor in Temple City page covers what Temple City garage conversions cost and how we handle the energy work.

ADU Builders in Temple City
For a detached ADU on a Temple City lot, we plan around the city’s in-house planning department and the multigenerational living patterns that dominate this market. Ground-floor accessibility, a full kitchen for elderly occupants, and privacy separation from the main house are the design defaults here, not add-ons. Every Temple City ADU we quote includes a real electrical assessment, because the original panels on these 1950s-through-1970s homes almost always need work. See the full picture on our ADU Builders in Temple City page.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Brands We Service in Temple City
We work hands-on with leading ADU and building-material brands including James Hardie, Abodu, Cover, and Dvele. If you already have a prefab ADU or are weighing specific materials for your Temple City project, we can assess fit for your lot, budget, and timeline. See our brands for the full range.
Pricing for ADU Company in Temple City, CA
| Service | Typical range in Temple City |
|---|---|
| Home addition, 400 sq ft | $85,000 – $120,000 |
| Home addition, 600 sq ft | $125,000 – $170,000 |
| Home addition, 800+ sq ft | $180,000 – $250,000+ |
| Garage conversion (attached) | $90,000 – $130,000 |
| Garage conversion (detached) | $110,000 – $160,000 |
| Detached ADU, 500 sq ft | $180,000 – $220,000 |
| Detached ADU, 750 sq ft | $250,000 – $310,000 |
| Detached ADU, 1,000 sq ft | $330,000 – $420,000 |
| Electrical panel upgrade (100A to 200A) | $3,500 – $6,500 |
| Galvanized supply line replacement | $2,500 – $6,000 |
| Mini-split HVAC for ADU | $6,000 – $12,000 |
In Temple City, the price usually moves upward when the original 100-amp panel needs replacement, when galvanized supply lines require re-piping, and when a garage conversion needs a full thermal envelope upgrade to handle inland summer heat. Those three items show up on most Temple City ADU projects we quote. What won’t move is the number you see on your written estimate: we put our price in writing before any work begins, and it does not change at the door.
Neighborhoods We Serve in Temple City
We serve all of Temple City, CA, including the residential pockets where ranch-style homes and two-car garages dominate. Typical response for an estimate visit in Temple City runs within a few business days, depending on current scheduling.
- Central Temple City (near Temple City Boulevard)
- North Temple City (north of Live Oak Avenue)
- South Temple City (south of Las Tunas Drive)
- The area around Emperor Elementary
- The neighborhoods bordering Rosemead
Service Area – Cities Near Temple City
While this page focuses on Temple City, CA, we also serve neighboring San Gabriel Valley cities. Homeowners in Arcadia, CA, El Monte, CA, Rosemead, CA, and San Gabriel, CA can reach the same team and the same written-price promise at (254) 602-5618.
Serving Temple City, CA - Our Local Coverage Area
We’re based in the Temple City 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 ADU Company in Temple City
Yes. Temple City runs its own in-house planning department, and we handle the full permit submittal and review process for every ADU, garage conversion, and home addition we build. Our written price includes the permit path as it actually works in Temple City, not a county-standard assumption. Call (254) 602-5618 for specifics on your project.
Temple City’s older housing stock drives cost. Original 100-amp panels and galvanized supply lines are common on 1950s-to-1970s ranch homes, and most ADU projects here need both upgraded before the city will energize the new dwelling. Inland heat also requires more cooling capacity than coastal projects. We quote these items in writing up front, so there are no surprises mid-project.
Temple City applies its own owner-occupancy interpretations through its in-house planning department, and those differ subtly from neighboring unincorporated county parcels. The honest answer depends on your specific lot and situation. Call (254) 602-5618 and we’ll give you a straight answer after reviewing your property, with a written estimate to follow.
What happens when you call
- 1A real person answersNo phone trees - talk to a local adu pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Temple City Customers Say
"Built a backyard unit for my mother in law. They handled the permits, gave me a real timeline, and stuck to it within a few days. The written price is what we paid, which anyone who's done construction knows is rare."
- Dennis Fairchild"Garage conversion into a studio for our teenager. Honest about what was realistic and what wasn't, finished close to schedule, and cleaned up the site daily."
- Marcus Beaumont"I was nervous about adding on but they walked me through every step and every cost before we started. No surprise change orders halfway through like I'd heard horror stories about."
- Eleanor Pratt