Urbnbuild Inc
Home addition contractor based in San Francisco. Licensed since 2018.
- License active
- Workers' comp on file
6 jobs on San Francisco permits, 2022 to 2025: 4 home additions, 2 remodels. 19th 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 1047320, 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 2018 | |
| Jobs on record | 6 jobs on San Francisco permits, 2022 to 2025: 4 home additions, 2 remodelsTheir permits mention 2 decks, 2 bathrooms, 1 kitchen, 1 garage.19th 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 1047320 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 $302,500 (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
- 941144 jobs
- 941211 job
- 941101 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 |
|---|---|---|---|
| Sep 16, 2025 | Addition, 180 sq ftMinor horizontal addition at 3rd level only | 94121 | $50,000 |
| Jul 24, 2025 | RemodelRemodel (e) sfh.foundation replacement & ground floor main bedroom, bath, & closet remodel,… | 94110 | $1,000,000 |
| Mar 30, 2023 | AdditionAdd a horizontal addition to the rear yard which will be within the current foot print of the… | 94114 | $450,000 |
| Mar 30, 2023 | Addition, 19 sq ft19 sqft horizontal addition to inner courtyard | 94114 | $350,000 |
| Jul 11, 2022 | RemodelRemodel and addition to an (e) single family home | 94114 | $255,000 |
| Jul 11, 2022 | AdditionRemodel and addition to an (e) single family home | 94114 | $255,000 |
What to ask before you hire
About Urbnbuild Inc
- 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 Urbnbuild 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 home addition contractors near 94114 and 94121
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- Sean Michael Mchugh Construction
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See all 45 home addition contractors in San Francisco, ranked by jobs
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