Warner Custom Homes Inc.
Seismic retrofit contractor based in Sebastopol. Licensed since 2001.
- License active
- Workers' comp on file
11 retrofit jobs on San Francisco permits, 2023 to 2026. 5th most retrofit permits of 42 contractors in San Francisco.
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 801910, 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 | 11 retrofit jobs on San Francisco permits, 2023 to 2026Every permit we have for them is retrofit.They are based in Sebastopol. Work outside San Francisco is not in these records.5th most retrofit permits of 42 licensed contractors in San Francisco. That counts jobs, not quality.Our San Francisco permit records cover September 2021 to September 2026. |
Records: the state license board and City of San Francisco 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 801910 on CSLB
Cost and timing
All retrofit jobs in San Francisco: $25,000 to $100,000
Half of 704 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 $7,000 (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 San Francisco.
Get 2 or 3 written quotes.
Permit timeline
Across San Francisco, a retrofit permit stays open about about 8 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 16 days. How long retrofit jobs take.
Track record
5 jobs in the last 12 months, up from 3 the year before
Where they work most
- 941122 jobs
- 941212 jobs
- 941322 jobs
- 941162 jobs
- 941311 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 |
|---|---|---|---|
| Jul 29, 2026 | Seismic retrofitVoluntary seismic strengthening (no grant) | 94112 | $14,000 |
| Jun 30, 2026 | Seismic retrofitVoluntary seismic strengthening(no grant) | 94121 | $9,000 |
| Apr 20, 2026 | Seismic retrofitVoluntary seismic strengthening of under-floor cripple wall and sill plate in accordance w/2025… | 94112 | $7,000 |
| Dec 18, 2025 | Seismic retrofitVoluntary seismic strengthening in accordance with 2022 cebc cha3 | 94132 | $14,000 |
| Nov 6, 2025 | Seismic retrofitVoluntary seismic strengthening(no grant) | 94131 | $14,000 |
| Jul 2, 2025 | Seismic retrofitVoluntary seismic strengthening consisting of 2 new plywood shear panels, holdown anchors, and… | 94116 | $7,000 |
| Dec 23, 2024 | Seismic retrofitVoluntary seismic retrofit in accordance with 2022 cebc ch | 94116 | $7,000 |
| Oct 17, 2024 | Seismic retrofitVoluntary seismic retrofit in accordance with plan set a | 94132 | $7,000 |
| Aug 23, 2024 | Seismic retrofitVoluntary seismic retrofit in accordance with 2022 cebc cha6" | 94110 | $7,000 |
| Aug 23, 2024 | Seismic retrofitVoluntary seismic retrrofit in accordance with 2022 cebc cha3" brace and bolt framing to foundation… | 94134 | $7,000 |
| Aug 28, 2023 | Seismic retrofitVoluntary seismic upgrade in accordance w/2022 cebc chp.a3 | 94121 | $7,500 |
What to ask before you hire
About Warner Custom Homes Inc.
- 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 Warner Custom Homes Inc.
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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.
Open your job roomMore seismic retrofit contractors near 94112 and 94121
- Seismic Retrofitters Inc.
- Sft Construction Corp
- West Coast Premier Construction Inc
- Mulhall Construction Inc.
- Rei Build Up Construction Corp
- Jemico Llc Dba Renewal By Andersen of Sf
See all 42 seismic retrofit contractors in San Francisco, ranked by jobs
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