J M A General Contractor
ADU builder based in Woodland Hills. Licensed since 2007.
- License active
- No workers' comp: the business told the state it has no employees
10 jobs on Los Angeles permits, 2024 to 2026: 4 ADUs, 3 home additions, 2 remodels, 1 pool or spa. 140th most ADU permits of 271 contractors in Los Angeles.
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 893018, active in the state's records on Sep 23, 2026General buildingNo complaints or citations on the board's public record. | Checks out |
| Workers' comp? | No workers' comp: the business told the state it has no employeesThis covers their crew if someone is hurt. It is not insurance for your home. | Ask them |
| In business? | Licensed since 2007 | |
| Jobs on record | 10 jobs on Los Angeles permits, 2024 to 2026: 4 ADUs, 3 home additions, 2 remodels, 1 pool or spaThey are based in Woodland Hills. Work outside Los Angeles is not in these records.140th most ADU permits of 271 licensed contractors in Los Angeles. That counts jobs, not quality.Our Los Angeles permit records cover September 2023 to September 2026. |
Records: the state license board and City of Los Angeles permits.
State license board record
Last checked Oct 4, 2026. This may have changed. Check it on CSLB.
No complaints or citations on the board's public record.
Source: California Contractors State License Board, checked Oct 4, 2026. Look up license 893018 on CSLB
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 $73,100 (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
4 jobs in the last 12 months, about the same as 4 the year before
Where they work most
- 913162 jobs
- 900192 jobs
- 900681 job
- 900491 job
- 913031 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 |
|---|---|---|---|
| Mar 12, 2026 | Remodel1 bathroom(s).Bathroom remodel for residential buildings (no structural changes) | 90068 | $12,000 |
| Jan 10, 2026 | AdditionADD 9'x14'-6" (115.4 SF) TO THE MASTER BEDROOM AND 10'x14'-6" (151.6 | 91316 | $60,000 |
| Nov 4, 2025 | ADU(n) 20' x 11'6" detached accessory dwelling unit as per gcs 65852.2(e) | 90049 | $25,000 |
| Sep 18, 2025 | ADUCONVERT THE EXIST. 18' x 20' DETACHED GARAGE IN AN ACCESSORY DWELLING | 91303 | $20,000 |
| Mar 28, 2025 | Pool or spaNew swimming pool on piles | 91436 | $50,000 |
| Jan 15, 2025 | Addition(n) 7' x 16'10" addition to (e) detached garage & convert to (n) acces | 91335 | $30,000 |
| Nov 12, 2024 | ADU(N) 1-STORY ACCESSORY DWELLING UNIT PER LAMC 12.22.A.33.(c)-(d) | 91356 | $121,200 |
| Sep 24, 2024 | RemodelAdd 1,009 ft to SFD through a comprehensive interior remodel AND DEMO 17'X16' ATTACHED PATIO COVER | 91316 | $150,000 |
| Sep 7, 2024 | AdditionAdd new adu addition attached to (e) existing two car garage per city | 90019 | $150,000 |
| Sep 7, 2024 | ADUAdd new adu addition attached to (e) existing two car garage per city | 90019 | $150,000 |
What to ask before you hire
About J M A General Contractor
- Ask who will do the work. Anyone they pay to work on your home must be covered by workers' comp.
- 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 J M A General Contractor
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