ADU Company in Commerce, CA
Commerce is not a typical Los Angeles suburb. It is a mostly industrial city where residential streets sit in tight pockets next to warehouses, rail spurs, and freight corridors. That changes what an ADU project looks like here: soundproofing matters more, air quality matters more, and lot-use verification matters more than it does in almost any other LA County city. If you’re planning an accessory dwelling unit, garage conversion, or home addition in Commerce, call Lodgewick ADU Builders at (254) 602-5618 and we’ll walk you through what your specific lot actually needs.
Why Commerce Homes Are Different
Commerce’s housing stock is mostly post-WWII stucco bungalows built between the 1940s and 1960s. They sit on tight lots, often with 100-amp electrical panels that were sized for a different era. Before an ADU can be energized and permitted in Commerce, that panel usually needs a service upgrade, and aging plumbing often needs attention too. We factor those costs into the written estimate from the start so there is no surprise when the permit review comes back.
The bigger issue in Commerce is adjacency. CalEnviroScreen ranks the city in the top pollution-burden percentiles statewide, and its urban heat island effect pushes summer cooling loads higher than in Montebello or Pico Rivera. A mini-split sized for a comparable unit in a neighboring city will often be undersized here. On top of that, many Commerce ADUs now include MERV-13 or better mechanical filtration systems, not because the city requires it in every case, but because lenders and tenants increasingly ask for it. These are not add-ons we upsell. They are baseline design considerations for building near active industrial corridors, and we explain them in plain language before you commit to anything.
Our Main Commerce Services
Commerce homeowners most often call us about three types of projects: building a detached ADU from the ground up, converting an attached garage into livable space, and extending the footprint of the existing house. Each has its own page with local pricing and the specific Commerce conditions that affect it.
Home Addition Contractor in Commerce
A home addition in Commerce means working within the existing stucco bungalow’s footprint and matching rooflines, stucco texture, and window proportions so the result does not look bolted on. Older plumbing and electrical systems in these 1940s-to-1960s homes often need upgrades before the addition can pass inspection. We cover that in the written price. Home Addition Contractor in Commerce covers the full scope, including what gets permitted and what does not.
Garage Conversion Contractor in Commerce
Converting a garage in Commerce usually means upgrading the slab, insulating walls that were never insulated, and running new electrical service from an undersized panel. If the garage sits close to an active freight or industrial operation, sound attenuation becomes part of the design conversation, not an afterthought. Garage Conversion Contractor in Commerce explains the process and the realistic price range for this city.
ADU Builders in Commerce
A detached ADU on a small Commerce lot requires careful use of the state density bonus rules to get the most square footage the lot will actually support. Prefabricated systems from companies like Cover and Dvele can shorten the timeline substantially, but they still need site work, foundations, and utility connections done to Commerce’s specific conditions. ADU Builders in Commerce walks through the options, from prefab to stick-built.
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 Commerce
We work directly with prefab and panelized systems from our brands, including Cover, Dvele, Mighty Buildings, and Boxabl. Each has different lead times and lot requirements, and we will tell you honestly which one fits your Commerce lot and budget rather than selling whichever one is easiest to source.
Pricing for ADU Company in Commerce, CA
| Service | Typical range in Commerce |
|---|---|
| Prefab ADU (small, 1 bed) | $120,000 – $180,000 |
| Prefab ADU (2 bed) | $180,000 – $260,000 |
| Stick-built detached ADU (1 bed) | $180,000 – $240,000 |
| Stick-built detached ADU (2 bed) | $240,000 – $320,000 |
| Garage conversion (studio) | $90,000 – $130,000 |
| Garage conversion (1 bed) | $130,000 – $180,000 |
| Home addition (bump-out, 200 sq ft) | $70,000 – $110,000 |
| Home addition (primary suite) | $140,000 – $220,000 |
| Electrical panel upgrade (100A to 200A) | $3,500 – $6,000 |
| Mini-split installation (single zone) | $4,500 – $8,000 |
| MERV-13 filtration system | $1,200 – $3,000 |
| Foundation for prefab unit | $15,000 – $30,000 |
Prices in Commerce push upward when the lot requires significant grading, when the panel upgrade includes rewiring older circuits, or when the project sits close enough to an industrial corridor that extra insulation and filtration are non-negotiable. Whatever the number, it goes in writing before any work starts. That is The Kingswell Guarantee, and it applies to every Commerce project we take.
Neighborhoods We Serve in Commerce
We work throughout the residential pockets of Commerce, from the streets south of Slauson to the homes tucked north of Washington Boulevard. Scheduling is handled so we are on-site within a defined arrival window, not a vague “sometime this week.”
- Bandini
- South Commerce residential area
- Rosewood Park
- Commerce Industrial District residential edges
- Veterans Park area
Service Area – Cities Near Commerce
While this page focuses on Commerce, our crews regularly work in nearby cities including Los Angeles, CA, Long Beach, CA, Anaheim, CA, and Riverside, CA. Each city has its own page with local pricing and conditions.
Serving Commerce, CA - Our Local Coverage Area
We’re based in the Commerce 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 Commerce
Yes. Every Commerce project includes permit coordination in the written price. Commerce’s planning department reviews lot-use, setbacks, and utility connections closely, and we handle the submission, corrections, and inspections without you chasing paperwork.
A prefab ADU in Commerce typically takes four to seven months from permit submission to final inspection. A stick-built ADU or garage conversion runs six to twelve months. Site conditions, panel upgrades, and review timing all affect it. We give you a written schedule before work starts.
No. The Kingswell Guarantee means the price you sign is the price you pay unless you request a change in scope. If we find something unexpected in the field, we bring it to you in writing with a specific number before doing anything. Call (254) 602-5618 for a free written estimate on your Commerce project.
Call Lodgewick ADU Builders at (254) 602-5618 to schedule a free estimate for your Commerce ADU, garage conversion, or home addition. A live person answers, and The Kingswell Guarantee puts your price, your schedule, and your written workmanship guarantee on paper before the first nail goes in.
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 Commerce Customers Say
"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"Garage conversion into an office and guest room. Fair written price, finished close to on schedule, and they fixed a small drywall crack under warranty months later without any hassle."
- Diana Cho"The ADU came out beautiful and the permitting, which terrified me, was handled start to finish. They kept me updated every week so I was never wondering what was happening."
- Shauna Mills