Diallo Construction
Home addition contractor based in Los Angeles. Licensed since 2011.
- License 965438, contr bond susp in the state's records on Sep 23, 2026
- Workers' comp on file
6 jobs on Los Angeles permits, 2024 to 2026: 4 home additions, 1 remodel, 1 ADU.
The state showed this license as "contr bond susp" on Sep 23, 2026. Do not hire until that is cleared.
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 965438, contr bond susp in the state's records on Sep 23, 2026General building | Problem |
| 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 2011 | |
| Jobs on record | 6 jobs on Los Angeles permits, 2024 to 2026: 4 home additions, 1 remodel, 1 ADUTheir permits mention 2 garages, 1 kitchen.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 965438 on CSLB
Cost and timing
All addition jobs in Los Angeles: $38,000 to $120,000
Half of 10,836 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Second-story additions in Los Angeles: $75,000 to $200,000 (858 permits)
- Garage additions in Los Angeles: $48,000 to $110,000 (3,411 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 $66,000 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. What addition jobs cost in Los Angeles.
Get 2 or 3 written quotes.
Permit timeline
Across Los Angeles, a addition permit stays open about about 13 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 addition jobs take.
Track record
Jobs per quarter
Where they work most
- 902302 jobs
- 916072 jobs
- 900661 job
- 902101 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 |
|---|---|---|---|
| Feb 19, 2026 | Remodel(ePLAN) Second story addition to existing 1-story single family dwelling with interior remodel per… | 90066 | $300,000 |
| Mar 16, 2025 | Addition12'-4" x 15'-4" irregular shaped addition to connect (e) det ca | 90210 | $72,000 |
| Aug 15, 2024 | Addition(n) work consists of (n) roof over living room, kitchen, and garage | 90230 | $60,000 |
| Aug 9, 2024 | Addition(N) new steel frame patio cover attached to the SFD | 90230 | $10,000 |
| Jul 24, 2024 | AdditionConversion of the (e) garage to an accessory dwelling unit per lamc 12 | 91607 | $116,000 |
| Jul 24, 2024 | ADUConversion of the (e) garage to an accessory dwelling unit per lamc 12 | 91607 | $116,000 |
What to ask before you hire
About Diallo Construction
- Do not hire until the state shows the license as active.
- Ask what the warranty covers and for how long, in writing.
Worth asking any home addition contractor
- Can you show me proof of liability insurance and your bond?
- Do you handle the plans and engineering, or do I hire them?
- Who will run the job day to day, and who are the subcontractors?
- Who pulls the permits, and what is the payment schedule?
Get a quote from Diallo Construction
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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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