ADU Company in Bellflower, CA
Lodgewick ADU Builders helps Bellflower homeowners add livable square footage to lots that were never designed for it. Most homes here were built between 1948 and 1968 as single-story ranches on 5,000 to 6,500 square foot lots, with detached two-car garages off rear alleys and original 100-amp electrical panels. Those two realities shape nearly every ADU and garage conversion project we quote in Bellflower: the alley gives the new unit its own entrance, and the electrical panel almost always needs upgrading before the city signs off. Call (254) 602-5618 for a free estimate, and you’ll get a written price before any work starts.
Why Bellflower Homes Are Different
Bellflower’s post-WWII building boom, roughly 1945 to 1965, blanketed the city with modest ranch homes on compact lots. Most sit slab-on-grade or on raised foundations, and most still carry the original 100-amp service panel. The Bellflower building department routinely flags electrical service upgrades as a condition of ADU permit issuance, which means any honest bid for a garage conversion here includes a 200-amp panel upgrade from day one. Contractors who treat that as a surprise change order are not doing Bellflower homeowners any favors.
The second thing that sets Bellflower apart is the alley grid. A large share of the city’s 1950s housing stock was laid out with rear service alleys behind the garages. For an ADU, that’s a genuine asset: the new unit gets independent vehicle and pedestrian access from the alley without touching the primary home’s front driveway or street curb appeal. That site condition doesn’t exist as consistently in neighboring Downey or Norwalk, and it’s the main reason garage conversions dominate Bellflower’s ADU market.
Lot coverage is tight here, so detached garage conversions and attached junior ADUs are far more common than new stand-alone construction. The marine layer also keeps moisture higher than inland cities, which means vapor management and insulation upgrades inside a converted garage are not optional extras. They’re required to meet Title 24 energy standards for habitable space, and they belong in the budget from the first quote.
Our Main Bellflower Services
Bellflower homeowners call us most often about three jobs: whole home additions, garage conversions, and ADU builds. Each has its own Bellflower page with pricing, timelines, and local permit detail.
Home Addition Contractor in Bellflower
Adding a bedroom, a family room, or a second story to a 1950s Bellflower ranch means working around slab-on-grade foundations, original galvanized plumbing, and tight side-yard setbacks. We price the structural upgrades, foundation work, and electrical panel replacement into the written quote on day one, so there’s no surprise at framing. The Kingswell Guarantee covers the whole job: written price first, real arrival window, clean job site, written guarantee on every build. Home Addition Contractor in Bellflower

Garage Conversion Contractor in Bellflower
Bellflower’s alley-loaded garages make conversions the fastest path to a rental unit or in-law suite, because the alley already provides separate access. The work still requires bringing the structure up to habitable standards: insulation, vapor barrier, drywall, HVAC, and a 200-amp panel upgrade to pass Bellflower inspection. We walk every conversion through Bellflower’s permit process and put the full scope, including Title 24 upgrades and electrical work, into the written price before demolition starts. Garage Conversion Contractor in Bellflower

ADU Builders in Bellflower
For Bellflower homeowners with room to build, a detached ADU gives a separate address, separate utility drop, and full rental independence. On these compact lots, we typically recommend prefab systems from Abodu, Cover, or Mighty Buildings matched to the site, budget, and timeline, alongside conventional stick-built options. Russ Delmar leads the Bellflower team, and every ADU project starts with a written price and a written guarantee, backed by the 365-Day Done Right Promise. ADU Builders in Bellflower

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 Bellflower
We work with Abodu, Cover, Dvele, and Mighty Buildings ADU systems regularly in Bellflower. Parts and panelized components are ordered to the job site, not warehoused, which keeps lead times short and lets us match the right system to Bellflower’s tight lots and Title 24 climate zone without delay. See our brands for details on each platform.
Pricing for ADU Company in Bellflower, CA
Here are the real price ranges we quote for ADU and conversion work in Bellflower, based on the housing stock and permit conditions here. Every figure below lands in writing before we start.
| Service | Typical range in Bellflower |
|---|---|
| Garage conversion ADU (attached, 400 – 600 sq ft) | $120,000 – $190,000 |
| Detached garage conversion (studio, under 500 sq ft) | $110,000 – $165,000 |
| New detached ADU (studio, 400 – 500 sq ft) | $180,000 – $260,000 |
| New detached ADU (1 bedroom, 500 – 700 sq ft) | $220,000 – $320,000 |
| New detached ADU (2 bedroom, 700 – 1,000 sq ft) | $300,000 – $420,000 |
| Junior ADU conversion (attached, up to 500 sq ft) | $80,000 – $130,000 |
| Prefab ADU (studio, 400 – 500 sq ft, delivered) | $160,000 – $240,000 |
| Prefab ADU (1 bedroom, 500 – 700 sq ft, delivered) | $200,000 – $290,000 |
| 200-amp electrical panel upgrade (required on most Bellflower jobs) | $3,500 – $5,500 |
| Title 24 insulation and vapor barrier retrofit (garage conversion) | $8,000 – $16,000 |
Two things push Bellflower bids higher than a generic Southern California estimate: the near-universal 200-amp panel upgrade on 1950s homes, and the marine-layer moisture that forces real vapor management inside converted garages. Our written price includes both from the start. No change orders, no door-knock surprises.
Neighborhoods We Serve in Bellflower
Our crews work across Bellflower’s single-family neighborhoods daily. Most jobs are concentrated in the ranch-home tracts built in the 1950s and 1960s, where alleys and compact lots make garage conversions the practical route to an ADU.
- Northeast Bellflower (near Bellflower Boulevard)
- South Bellflower (near the Cerritos border)
- West Bellflower (near the Paramount line)
- The ranch tracts around Ramona Park
- The alley-grid streets south of Artesia Boulevard
For most Bellflower addresses, we can schedule an estimate within the week you call, and our written price follows the site visit promptly.
Service Area – Cities Near Bellflower
Along with Bellflower, our crews serve the bordering communities where the housing stock and permit realities are similar. We work regularly in Paramount, CA, Norwalk, CA, Artesia, CA, and Cerritos, CA. If you’re in one of those cities and weighing an ADU or garage conversion, the same written-price guarantee applies.
Serving Bellflower, CA - Our Local Coverage Area
We’re based in the Bellflower 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 Bellflower
Typically within one week of your call. A live person answers (254) 602-5618 around the clock, so you won’t sit in a voicemail loop. The written price follows the site visit, covering the full scope as priced, including any panel upgrade Bellflower requires. Call (254) 602-5618 and we’ll get you scheduled.
Almost certainly, yes. Bellflower’s building department routinely makes the electrical service upgrade a condition of issuing ADU permits on homes built with original 100-amp panels. We price the upgrade into every garage conversion bid from day one, so it never shows up as a change order. Call (254) 602-5618 for a quote that already accounts for it.
We handle city permits and inspections directly, including Title 24 energy compliance. For HOA-governed neighborhoods in Bellflower, we provide the drawings and documentation your association needs to review the project, and we adjust scope around their requirements early in the process. Call (254) 602-5618 to talk through your street’s specific situation.
For a written price on any ADU, garage conversion, or addition in Bellflower, call (254) 602-5618 now. Russ Delmar’s team will schedule your free estimate, put the full scope in writing, and stand behind the work with the 365-Day Done Right Promise.
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 Bellflower Customers Say
"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"Junior ADU conversion inside the house. They protected the rest of our place with plastic and daily cleanup. Done nearly on schedule and on the number they quoted."
- Sabrina Veld