3 contractors have whole-house remodel permit records. CSLB license data dated Oct 16, 2026.
B or B-2 license required. A B-2 can remodel a whole existing wood-frame house as long as nothing load-bearing moves. Once the plan opens a bearing wall, replaces a foundation or reframes the roof, you need a B (General Building) contractor.
It depends on your city. Pick yours below for what it requires for a whole-house remodel job, with the source.
Source: DataSF permits, 24 months to Oct 18, 2026.
Sorted by Bay Area whole-house remodel permits in the last 24 months, then years licensed. How we rank.
Only 3 listed so far.
We list contractors here only when city permit records or the contractor show they do whole-house remodel jobs. 3 so far. See the Bay Area general contractor list.
Legal name: Green Group Remodeling Inc · Based in Concord
3 whole-house remodel permits in SF, latest Sep 2026, median permit value $80k · bath, interior remodel, electrical
licensed 7 yrs
Active · B · #1051717 · Bond ✓ · Workers' comp ✓ · Verify on CSLB
C-39 Roofing
Based in Concord
2 whole-house remodel permits in SF, latest Oct 2025, median permit value $319k · bath, interior remodel, kitchen
licensed 12 yrs
Active · B · #993580 · Bond ✓ · Workers' comp ✓ · Verify on CSLB
Based in Los Altos
2 whole-house remodel permits in SF, latest Jul 2026, median permit value $1.6M · interior remodel, adu, deck
licensed 3 yrs
Active · B · #1101905 · Bond ✓ · Workers' comp ✓ · Verify on CSLB
Payment doesn't change the order. Business build-out? See commercial GCs. Each card shows CSLB data from the file dated Oct 16, 2026. Verify live on CSLB.
Too few whole-house remodel permits in the Bay Area declare a value for us to publish a range. For an estimate by size and finish level, use the home construction cost calculator.
Both classes can act as your prime contractor. A B-2 is limited to remodels of an existing wood-frame house. If your plan changes the structure, look for a B.
| Job | B General Building | B-2 Residential Remodeling |
|---|---|---|
| Kitchen or bath remodel in an existing house | Yes | Yes, when the contract covers 3 or more unrelated trades |
| Addition or new rooms | Yes | No |
| Moving or removing a load-bearing wall | Yes | No |
| New home | Yes | No |
| Commercial or tenant work | Yes | No |
Sources: CSLB, class B and class B-2, checked Oct 18, 2026. More in B vs B-2.
A down payment on a home improvement contract can't be more than $1,000 or 10% of the price, whichever is less. No progress payment can be more than the work done or materials delivered.
Source: California B&P Code 7159.5, checked Oct 18, 2026
Work under $1,000 in total (labor and materials) that needs no building permit doesn't require a license. The exemption doesn't apply if the person advertises as a contractor, has employees, or splits a job to stay under the limit.
Source: California B&P Code 7048, checked Oct 18, 2026
Every licensed contractor must keep a $25,000 contractor's bond on file with CSLB. That has been the amount since January 1, 2023.
Source: CSLB, bond requirements, checked Oct 18, 2026
A contractor with employees must carry workers' comp. Until 2028, a B contractor with no employees can legally file an exemption, so check which one yours did. From January 1, 2028, a workers' comp certificate is required for every license.
Source: CSLB, workers' compensation, checked Oct 18, 2026
Complaint history isn't in CSLB's free data files, so we don't show it. Check complaints on CSLB before you sign.
San Francisco permits come from DataSF, matched by license number. San Jose permits come from the city's open data, matched by business name. A contractor is listed only with evidence for whole-house remodel work: a permit record whose description matches, or a source the contractor gave us.
License class, status, dates, bond and workers' comp come from CSLB's public data files: Master file Oct 16, 2026, workers' comp file Oct 17, 2026, processed Oct 18, 2026. Each card links to that license's live CSLB record. Full method.