21st Century Home Improvt
Roofing contractor based in San Francisco. Licensed since 1993.
- License active
- Workers' comp on file
35 jobs on San Francisco permits, 2021 to 2025: 26 roofing jobs, 6 remodels, 3 panel upgrades. 104th most roofing permits of 303 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 682929, active in the state's records on Sep 23, 2026General building, painting, roofingNo 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 1993 | |
| Jobs on record | 35 jobs on San Francisco permits, 2021 to 2025: 26 roofing jobs, 6 remodels, 3 panel upgrades104th most roofing permits of 303 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 682929 on CSLB
Cost and timing
All roofing jobs in San Francisco: $11,000 to $22,000
Half of 15,684 city permits list an amount in this range. Permit amounts are often lower than what you pay.
- Roof replacements in San Francisco: $11,000 to $22,000 (15,431 permits)
- Shingle roofs in San Francisco: $12,000 to $27,000 (602 permits)
- Tile roofs in San Francisco: $12,000 to $26,000 (58 permits)
- Flat and low-slope roofs in San Francisco: $11,000 to $24,000 (1,835 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 $15,000 (half list more, half less)
That is the figure written on the permit form, which can be far from what you pay. What roofing jobs cost in San Francisco.
Get 2 or 3 written quotes.
Permit timeline
Across San Francisco, a roofing permit stays open about 28 days, 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. The permit itself is usually issued the same day. How long roofing jobs take.
Track record
1 job in the last 12 months, down from 7 the year before
Where they work most
- 941347 jobs
- 941226 jobs
- 941245 jobs
- 941103 jobs
- 941333 jobs
Jobs by kind of work
Latest jobs
Permit values are what the contractor wrote on the permit form, not what the owner paid.
A row marked ×2 or more stands for that many similar jobs on one day in one ZIP code.
| Date | Work | ZIP | On the permit form |
|---|---|---|---|
| Nov 3, 2025 | ReroofReroofing; no hot work | 94116 | $12,000 |
| Sep 4, 2025 | ReroofReroofing- no hot works | 94122 | $25,000 |
| Aug 14, 2025 | Reroof | 94110 | $10,000 |
| May 1, 2025 | Reroof | 94134 | $25,000 |
| Mar 25, 2025 | Reroof | 94132 | $20,000 |
| Nov 13, 2024 | ReroofRe-roofing no hot work | 94133 | $32,000 |
| Oct 29, 2024 | Reroof | 94134 | $10,000 |
| Oct 7, 2024 | Reroof | 94112 | $15,000 |
| Aug 19, 2024 | Reroof | 94121 | $10,000 |
| Mar 27, 2024 | Panel upgradeAmendment in ref to pa# e202401221925. 1 new 70 amp subpanel for kitchen, new cabinet lights (2) | 94110 | not stated |
| Mar 22, 2024 | Remodel1/f: add 1-family room, 1/2-bath, laundry room, stairs to 2/f; 2/f: remodel kitchen, bathroom,… | 94121 | $135,000 |
| Nov 30, 2023 | Reroof | 94122 | $28,000 |
| Oct 12, 2023 | Reroof | 94127 | $15,000 |
| May 30, 2023 | RemodelReplace four windows in-kind (rear side -non visible from the street) remodel shower pan only | 94117 | $21,000 |
| May 9, 2023 | Remodel(1) bathroom remodel in kind | 94134 | $12,000 |
| Jan 17, 2023 | Reroof | 94124 | $17,000 |
| Jan 17, 2023 | Reroof | 94124 | $25,000 |
| Dec 5, 2022 | Reroof | 94122 | $9,500 |
| Nov 10, 2022 | Reroof | 94124 | $21,500 |
| Oct 18, 2022 | Reroof | 94134 | $25,000 |
| Oct 7, 2022 | Reroof | 94117 | $110,000 |
| Aug 29, 2022 | Reroof | 94110 | $15,000 |
| Aug 18, 2022 | Reroof | 94131 | $20,000 |
| Jun 21, 2022 | RemodelRemodel bathroom, replace allshower and floor tiles, install new vanity sink, faucets, install new… | 94122 | $20,000 |
| Jan 19, 2022 | Reroof | 94134 | $12,000 |
| Jan 19, 2022 | Remodel1.install vinyl siding back of home (unvisible) :2. replace 5 vinyl window in back (unvisible)… | 94134 | $72,000 |
| Jan 19, 2022 | Panel upgradeUpgrade kitchen & 2 bathrooms electrical | 94134 | not stated |
| Jan 12, 2022 | Reroof | 94127 | $12,000 |
| Nov 22, 2021 | Reroof | 94122 | $10,000 |
| Nov 19, 2021 | Remodel1. batroom remodel, shower pan, install new hardware | 94133 | $12,000 |
| Nov 19, 2021 | Panel upgradeUpgrade bathroom electrical | 94133 | not stated |
| Nov 8, 2021 | Reroof (×2, same day) | 94124 | $15,000 each |
| Nov 2, 2021 | Reroof | 94122 | $15,000 |
| Oct 8, 2021 | Reroof | 94115 | $12,000 |
What to ask before you hire
About 21st Century Home Improvt
- Ask what the warranty covers and for how long, in writing.
Worth asking any roofing contractor
- Can you show me proof of liability insurance and your bond?
- Will you tear off the old roof or lay the new one over it?
- What do you charge to replace rotted roof boards, per sheet, if you find any?
- Who pulls the permit, and who meets the inspector?
Get a quote from 21st Century Home Improvt
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We pass it to 21st Century Home Improvt. 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.
Open your job roomMore roofing contractors near 94134 and 94122
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- Apollo Building & Roofing Group Inc.
- American Standard Roofing Inc
- Brickstone Construction Llc
- County Roofing Co
- Hai's Roofing Company
See all 303 roofing contractors in San Francisco, ranked by jobs
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