Working Class American Construction
ADU builder based in Lancaster.
- License 1053998 was not in the state's records on Sep 23, 2026
6 jobs on Los Angeles permits, 2023 to 2026: 5 ADUs, 1 roofing job.
We could not find an active or renewable license for this business in the state's records on Sep 23, 2026. Check the license with the state before you hire.
What the public records show
From the state's license records and the city's permits, one question at a time.
| Question | Records show | Mark |
|---|---|---|
| Licensed? | License 1053998 was not in the state's records on Sep 23, 2026 | Problem |
| Jobs on record | 6 jobs on Los Angeles permits, 2023 to 2026: 5 ADUs, 1 roofing jobThey are based in Lancaster. Work outside Los Angeles is not in these records.Our Los Angeles permit records cover September 2023 to September 2026. |
Records: the state license board and City of Los Angeles permits.
Cost and timing
All ADU jobs in Los Angeles: $35,000 to $120,000
Half of 9,338 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Detached ADUs in Los Angeles: $46,000 to $121,000 (3,485 permits)
- Garage conversions in Los Angeles: $30,000 to $65,000 (3,524 permits)
- Junior ADUs in Los Angeles: $20,000 to $50,000 (768 permits)
How to read this range
Contractors write a job value on the permit form, and the city uses it to set the permit fee. It is not the contract price, and it is often lower than what you pay. A quarter of the permits list less than this range, and a quarter list more. Use it to see if a quote is in the normal range.
Permit value (not a price)
Their typical permit lists $150,000 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. What ADU jobs cost in Los Angeles.
Get 2 or 3 written quotes.
Permit timeline
Across Los Angeles, a ADU permit stays open about about 12 months, from permit to final inspection
This is not how long the crew works at your home: most of it is waiting for the inspection. Ask them how many days the work takes. Waiting for the permit adds about about 4 months. How long ADU jobs take.
Track record
Jobs per quarter
Where they work most
- 914235 jobs
- 913641 job
Jobs by kind of work
Latest jobs
Permit values are what the contractor wrote on the permit form, not what the owner paid.
| Date | Work | ZIP | On the permit form |
|---|---|---|---|
| Apr 16, 2026 | ADU, 695 sq ftNEW DETACHED 2 STORY ADU (18'-6"x20'-0"), 695 SQFT AT REAR OF LOT WITH | 91423 | $200,000 |
| Dec 4, 2025 | ADUNew 18'-6" x 20' (2) story accessory dwelling unit per lamc 12.22 a.33 | 91423 | $150,000 |
| Nov 4, 2025 | ADUNew 18'-6" x 20' (2) story accessory dwelling unit per lamc 12.22 a.33 | 91423 | $150,000 |
| Oct 7, 2025 | ADU(N) 2-STORY DETACHED ACCESSORY DWELLING UNIT PER LAMC 12.22A33(c)(d) W | 91423 | $150,000 |
| Sep 23, 2025 | ADU(n) 2-story sfd w/ attached 1-story junior accessory dwelling unit (23 | 91423 | $350,000 |
| Jun 6, 2023 | Reroof, 36 squares (3,600 sq ft)Re-roof with Class A or B roof covering material weighing less than 6 pounds per sq | 91364 | $7,200 |
What to ask before you hire
About Working Class American Construction
- Do not hire until the contractor shows you an active license.
- Ask what the warranty covers and for how long, in writing.
Worth asking any ADU builder
- Can you show me proof of liability insurance and your bond?
- Do you handle the plans, engineering and utility hookups, or do I?
- How long from permit to the final inspection on your last three ADUs?
- What is the payment schedule, and what is extra?
Get a quote from Working Class American Construction
Five quick questions. We pass your request to Working Class American Construction.
Request for Working Class American Construction
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You decide who to hire. Your details go only to the contractors you pick. How we use your details
Sent. We have your request.
We pass it to Working Class American Construction. Replies usually come within a few days.
Your job room keeps the request, your photos and every reply in one place, with an assistant that checks prices against city permits. Keep its link: it is the key to your job.
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Run this business? Claim this page to get requests by email and reply to homeowners here.