All Best Buildrs.inc./all Trusty Bldrs.
Home addition contractor based in San Francisco. Licensed since 2008.
- License active
- Workers' comp on file
10 jobs on San Francisco permits, 2021 to 2026: 4 home additions, 3 remodels, 2 panel upgrades, 1 ADU. 11th most addition permits of 45 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 909984, active in the state's records on Sep 23, 2026General building, electricalNo 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 2008 | |
| Jobs on record | 10 jobs on San Francisco permits, 2021 to 2026: 4 home additions, 3 remodels, 2 panel upgrades, 1 ADUTheir permits mention 1 basement, 1 kitchen.11th most addition permits of 45 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 909984 on CSLB
Cost and timing
All addition jobs in San Francisco: $60,000 to $350,000
Half of 981 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Second-story additions in San Francisco: $84,000 to $310,000 (131 permits)
- Garage additions in San Francisco: $75,000 to $500,000 (158 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 $350,000 (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 San Francisco.
Get 2 or 3 written quotes.
Permit timeline
Across San Francisco, a addition permit stays open about about 16 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 5 months. How long addition jobs take.
Track record
Jobs per quarter
Where they work most
- 941212 jobs
- 941162 jobs
- 941312 jobs
- 941222 jobs
- 941121 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 |
|---|---|---|---|
| Jun 12, 2026 | AdditionNo details on the permit | 94121 | $800,000 |
| Jan 28, 2026 | Remodel1st fl: remodel (e) kitchen, laundry, bathrooms and new wetbar | 94112 | $188,900 |
| Apr 15, 2025 | Panel upgradeRemodel the first floor including new wire, new lights, new outlets | 94116 | not stated |
| Dec 16, 2024 | RemodelRemove all sheetrock of the 2nd floor, add lights and outles, replace rusted drain lines, fill… | 94116 | $40,000 |
| Mar 11, 2024 | RemodelInterior remodeling | 94132 | $13,000 |
| Jun 15, 2023 | AdditionIn revision to #202104078081. change the rafters from lvl 1-3/4"x9-1/4" to double lvl 1-3/4"x4-5/8"… | 94131 | not stated |
| Dec 14, 2022 | AdditionKitchen renovation, second floor addition, and dormer office space addition | 94131 | $350,000 |
| May 11, 2022 | AdditionAddition a new adu at the first floor | 94122 | $328,000 |
| May 11, 2022 | ADUAddition a new adu at the first floor | 94122 | $328,000 |
| Oct 15, 2021 | Panel upgradeNo details on the permit | 94121 | not stated |
What to ask before you hire
About All Best Buildrs.inc./all Trusty Bldrs.
- 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?
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