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General contractors in Redwood City, CA

281 eligible B and B-2 licenses based in Redwood City, per CSLB records dated Oct 16, 2026.

Checked Oct 18, 2026 Verify live on CSLB

25 of 281 Redwood City GCs

Sorted by workers' comp policy on file, then years licensed (we don't have permit data for Redwood City). How we rank. Payment doesn't change the order.

Bid requests come to GC Bay Area first, not straight to the contractor.

3

S & H Renovations

Based in Redwood City

workers’ comp insured · licensed 45 yrs

Active · B · #405056 · Bond ✓ · Workers' comp ✓ · Verify on CSLB

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4

W L Butler Inc

Based in Redwood City

workers’ comp insured · licensed 45 yrs

Active · B · #409080 · Bond ✓ · Workers' comp ✓ · Verify on CSLB

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7

Kitami Inc

Based in Redwood City

workers’ comp insured · licensed 39 yrs

Active · B · #503600 · Bond ✓ · Workers' comp ✓ · Verify on CSLB

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11

Pacific Thunder

Based in Redwood City

workers’ comp insured · licensed 37 yrs

Active · B · #563706 · Bond ✓ · Workers' comp ✓ · Verify on CSLB

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12

Interpro Systems Inc

Based in Redwood City

workers’ comp insured · licensed 37 yrs

Active · B · #576687 · Bond ✓ · Workers' comp ✓ · Verify on CSLB

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17

C S I Custom Homes

Legal name: Maldonado & Blocker Inc · Based in Redwood City

workers’ comp insured · licensed 33 yrs

Active · B · #657112 · Bond ✓ · Workers' comp ✓ · Verify on CSLB

Workers' comp policy ends Nov 7, 2026. Ask for the renewal certificate.

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18

Calex Builders

Based in Redwood City

workers’ comp insured · licensed 33 yrs

Active · B · #678003 · Bond ✓ · Workers' comp ✓ · Verify on CSLB

Workers' comp policy ends Nov 19, 2026. Ask for the renewal certificate.

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19

K S Builders

Based in Redwood City

workers’ comp insured · licensed 32 yrs

Active · B · #685152 · Bond ✓ · Workers' comp ✓ · Verify on CSLB

License renewal due Nov 30, 2026.

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20

Bay West Builders

Legal name: Tremin Corporation · Based in Redwood City

workers’ comp insured · licensed 32 yrs

Active · B · #692469 · Bond ✓ · Workers' comp ✓ · Verify on CSLB

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21

Loerke & Cresci Inc

Based in Redwood City

workers’ comp insured · licensed 32 yrs

Active · B · #697220 · Bond ✓ · Workers' comp ✓ · Verify on CSLB

License renewal due Oct 31, 2026.

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24

Del Rio Stone Construction

Legal name: Del Rio Stone · Based in Redwood City

workers’ comp insured · licensed 31 yrs

Active · B · #707649 · Bond ✓ · Workers' comp ✓ · Verify on CSLB

Workers' comp policy ends Oct 31, 2026. Ask for the renewal certificate.

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Business build-out? See commercial GCs in the Bay Area

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Check it against the same CSLB data.

Searches active and lapsed Bay Area B and B-2 licenses. Other classes: search on CSLB.

Before you hire in Redwood City

Building permits in Redwood City go through City of Redwood City Building & Code Enforcement (Building Division, Community Development Department).

Source: City of Redwood City Building & Code Enforcement (Building Division, Community Development Department), checked Oct 18, 2026

B or B-2: which license fits your job

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.

JobB General BuildingB-2 Residential Remodeling
Kitchen or bath remodel in an existing houseYesYes, when the contract covers 3 or more unrelated trades
Addition or new roomsYesNo
Moving or removing a load-bearing wallYesNo
New homeYesNo
Commercial or tenant workYesNo

Sources: CSLB, class B and class B-2, checked Oct 18, 2026. More in B vs B-2.

California rules for your contract

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.

Questions about hiring in Redwood City

How many licensed general contractors are based in Redwood City?

323 active B and B-2 licenses list Redwood City as the business city in CSLB's records dated Oct 16, 2026. We list 281 of them; the other 42 have no bond on file or hold a specialty-trade license. Each card's "Verify on CSLB" link opens that license's live record.

Which license does a home remodel need?

A B (General Building) license can take a prime contract that involves two or more unrelated trades other than framing or carpentry. A B-2 (Residential Remodeling) license covers remodels of an existing wood-frame house with three or more unrelated trades, and it can't be used for additions, structural work or new homes.

How much can a contractor ask for as a down payment?

In California, a down payment on a home improvement contract is capped at $1,000 or 10% of the contract price, whichever is less.

Do I need a licensed contractor for a small job?

Work under $1,000 in total that needs no building permit is exempt from licensing. The exemption doesn't apply to someone who advertises as a contractor, has employees, or splits a job to stay under the limit.

What does "exempt" mean under workers' comp on a card?

The contractor told CSLB it has no employees. Until January 1, 2028, a B contractor with no employees can legally file that exemption. Ask whether anyone besides the owner will work on your property.

Where do I get a building permit in Redwood City?

Permits are handled by City of Redwood City Building & Code Enforcement (Building Division, Community Development Department); the link is in "Before you hire" above. Ask your contractor who will pull the permit and have it in the contract.

General contractors near Redwood City

Other project types in Redwood City

How this list is built

License class, status, dates, bond and workers' comp come from the California Contractors State License Board's public data files. The Master file is dated Oct 16, 2026, the workers' comp file Oct 17, 2026, and we processed them on Oct 18, 2026. Of 323 active licenses in Redwood City, 42 are left out: no bond on file, or a specialty-trade license. Each card's "Verify on CSLB" link opens that license's live record. Read the full method. Related: how to verify a license, bond and insurance, complaints.

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