Biayna Engineering & Construction
Seismic retrofit contractor working in Los Angeles. Licensed since 2014.
- License active
- Workers' comp on file
15 retrofit jobs on Los Angeles permits, 2023 to 2026. 16th most retrofit permits of 80 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 998853, active in the state's records on Sep 23, 2026General engineering, general 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 2014 | |
| Jobs on record | 15 retrofit jobs on Los Angeles permits, 2023 to 2026Every permit we have for them is retrofit.16th most retrofit permits of 80 licensed contractors in Los Angeles. That counts jobs, not quality.Our Los Angeles permit records cover June 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 998853 on CSLB
Cost and timing
All retrofit jobs in Los Angeles: $20,000 to $60,000
Half of 1,205 city permits list an amount in this range. Permit amounts are often lower than what you pay.
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 $35,000 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. What retrofit jobs cost in Los Angeles.
Get 2 or 3 written quotes.
Permit timeline
Across Los Angeles, a retrofit permit stays open about about 6 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 retrofit jobs take.
Track record
7 jobs in the last 12 months, up from 6 the year before
Where they work most
- 916026 jobs
- 916014 jobs
- 900442 jobs
- 916072 jobs
- 914011 job
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 |
|---|---|---|---|
| Sep 18, 2026 | Seismic retrofit | 90044 | $120,000 |
| Sep 10, 2026 | Seismic retrofitSoft-Story seismic retrofit per LABC Chapter 93: Install (1) Special Steel Cantilever Column | 90044 | $20,000 |
| Sep 4, 2026 | Seismic retrofitSoft-Story seismic retrofit per LABC Chapter 93: Install Three (N) Special Steel Moment Frames | 91602 | $100,000 |
| Jun 1, 2026 | Seismic retrofit | 91601 | $130,000 |
| Mar 13, 2026 | Seismic retrofitSoft-Story seismic retrofit per LABC Chapter 93: Install 2 Ordinary Steel Moment Frames | 91601 | $60,000 |
| Jan 7, 2026 | Seismic retrofit | 91601 | not stated |
| Nov 25, 2025 | Seismic retrofit | 91607 | $60,000 |
| Feb 28, 2025 | Seismic retrofitSupplemental Permit to 19016-10001-22879: Revise scope of work at west elevation . No retrofit… | 91602 | not stated |
| Dec 19, 2024 | Seismic retrofit | 91602 | not stated |
| Dec 19, 2024 | Seismic retrofit | 91602 | $20,000 |
| Dec 19, 2024 | Seismic retrofitSoft-Story seismic retrofit per LABC Chapter 93:Supplemental to Soft Story permit 19016-10000-22879… | 91602 | $30,000 |
| Dec 19, 2024 | Seismic retrofit | 91602 | $40,000 |
| Nov 12, 2024 | Seismic retrofit | 91401 | $20,000 |
| Jun 25, 2024 | Seismic retrofitSoft story retrofit per lamc div 93. shear wall | 91601 | $10,000 |
| Sep 11, 2023 | Seismic retrofitSoft story retrofit per lamc div 93. shear wall | 91607 | $15,000 |
What to ask before you hire
About Biayna Engineering & Construction
- Ask what the warranty covers and for how long, in writing.
Worth asking any seismic retrofit contractor
- Can you show me proof of liability insurance and your bond?
- Is the plan engineered, or does it follow the city's standard plan?
- How many anchor bolts and wall panels will you install, and where?
- Who pulls the permit, and who meets the inspector?
Get a quote from Biayna Engineering & Construction
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We pass it to Biayna Engineering & 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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