Advanced Construction
ADU builder based in Sherman Oaks. Licensed since 2001.
- License active
- Workers' comp on file
21 jobs on Los Angeles permits, 2023 to 2026: 14 ADUs, 4 remodels, 1 pool or spa, 1 solar installation, 1 roofing job. 13th 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 801955, active in the state's records on Sep 23, 2026General buildingNo complaints or citations on the board's public record. | Checks out |
| Workers' comp? | Workers' comp policy on file with the stateThis covers their crew if someone is hurt. It is not insurance for your home. | On file |
| In business? | Licensed since 2001 | |
| Jobs on record | 21 jobs on Los Angeles permits, 2023 to 2026: 14 ADUs, 4 remodels, 1 pool or spa, 1 solar installation, 1 roofing jobThey are based in Sherman Oaks. Work outside Los Angeles is not in these records.13th 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 801955 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 $393,250 (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
3 jobs in the last 12 months, down from 9 the year before
Where they work most
- 916013 jobs
- 916043 jobs
- 900163 jobs
- 900192 jobs
- 900112 jobs
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 |
|---|---|---|---|
| Jun 18, 2026 | ADUNew two story 23'-2" x 17' accessory dwelling unit per lamc 12.22 a.33 | 91331 | $115,000 |
| May 26, 2026 | ADUNew 2-story ADU at rear of the lot per GCS 65852.2(e)(1)(D) AND LAMC 1 | 90731 | $205,000 |
| Apr 9, 2026 | ADUNew 2-story sfd w/ attached 2 car garage and attached adu per gov code | 91601 | $391,000 |
| Sep 11, 2025 | ADUNew 45'9-1/2" x 38' three story sfd with attached accessory dwelling | 91606 | $600,000 |
| Jun 6, 2025 | Pool or spaNew 21'-4" x 12'-4" pool and 9'-0" x 12'-4" spa per standard pl | 91604 | $30,000 |
| Jun 6, 2025 | ADUNew 2-story sfd with attached 2-car garage and adu per lamc 12 | 91604 | $710,000 |
| May 25, 2025 | ADUConvert detached garage into accessory dwelling unit per lamc 12.22 a | 90062 | $25,000 |
| Apr 28, 2025 | ADUNew 3 story sfd with 1st floor adu (1263 sf) per 12.22 a33 c & e | 90016 | $704,000 |
| Mar 30, 2025 | ADUNew 2- Story two ADUs | 90016 | $63,000 |
| Mar 10, 2025 | ADUNew 3-story duplex and adu (877sf) (rear) 2 of 2 | 90019 | $583,757 |
| Feb 26, 2025 | RemodelRemodel (e) 1-story sfd, all work per wfpp | 90003 | $20,000 |
| Oct 10, 2024 | ADUNew two story sfd and attached adu and one car garage 2 of 2 | 90019 | $445,000 |
| Jun 24, 2024 | ADU(N) 3-STORY DUPLEX AND ADU ATTACHED PER GCS 65852.2(e)(1)(C) (REAR BLD | 90016 | $150,000 |
| Jun 11, 2024 | ADUNew 3 story duplex with adu (937 sf) per 12.22 a33 c & e (rear) | 90011 | $395,500 |
| May 22, 2024 | Remodel*No fee Department ErrorSupplemental permit to 21014-20000-04517 to revise work decription to… | 91344 | not stated |
| May 7, 2024 | Solar, 2.97 kWNEW 2-STORY SFD WITH ATTACHED 2-CAR GARAGE AND ADU PER LAMC 12.22.A.33(c)-(d). NFPA 13DSOLAR… | 91604 | $710,000 |
| Jan 16, 2024 | ADUNew 3 story sfd with attached garage and adu per 12.22 a 33 c & e | 91601 | $591,000 |
| Jan 13, 2024 | ADUCONVERT (E) 36'-0" x 38'-0" ATTACHED GARAGE TO AN ACCESSORY DWELLING U | 90011 | $100,000 |
| Sep 26, 2023 | Reroof, 22 squares (2,200 sq ft)Re-roof with Class A or B material weighing less than 6 pounds per sq | 90044 | $10,000 |
| Aug 9, 2023 | RemodelNo details on the permit | 90044 | $5,000 |
| Jul 11, 2023 | RemodelSupplemental to 21010-10000-04029 to add 1/2 bathroom and remodel another bathroom on the first… | 91601 | $3,000 |
What to ask before you hire
About Advanced Construction
- 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 Advanced Construction
Five quick questions. We pass your request to Advanced Construction.
Request for Advanced Construction
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We pass it to Advanced 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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See all 271 ADU builders in Los Angeles, ranked by jobs
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