When do you need to hire a licensed contractor in California?

In California, any remodeling or construction project that exceeds $500 (labor and materials), requires a contractor to have an active license with the California Contractor State License Board (CSLB).

How important is contractor licensing in California?

The CSLB is one of the highest rated licensing boards in the US. Applicants are required to pass a written board exam and prove at least four years of prior, relevant work experience. In addition, the CSLB requires all license holders to maintain at least $2,500 in operating capital and provides you with a range of other consumer protections.

Your liability risk when hiring a licensed contractor in California

Contractors in California are required to carry workers' compensation insurance if they have employees and proof of liability insurance with the cumulative limit of $1 million for licensees with five or fewer persons, and an additional 100,000 for each additional member over five, not to exceed $5 million total.

Financial recourse when hiring a contractor in California

All licensed contractors in California are required to maintain a bond, which provides you with financial recourse in case they perform defective work or violate license regulations. If you feel as though you have been taken advantage of, you should leave feedback on the contractor's BuildZoom profile and file a complaint with the CSLB.

What else should I know before hiring a contractor in California?

California contractors are required to submit their fingerprints to the board, which are then checked against criminal records held by the California Department of Justice (DOJ) and Federal Bureau of Investigation (FBI) prior to obtaining a valid contracting license.

How is the BuildZoom score calculated?

The BuildZoom score is based on a number of factors including the contractor's license status, insurance status, verified work history, standing with local consumer interest groups, verified reviews from other BuildZoom users and self-reported feedback from the contractor.

Why you should hire through BuildZoom

When it comes to major construction work or even minor alterations to your home, hiring the wrong contractor could result in incomplete or defective work. You may even find yourself dealing with huge liability claims. BuildZoom does the homework for you and helps you hire the right contractor.

You should get several bids before hiring a contractor

The California State License Board recommends getting at least three written bids before hiring a contractor. Do not automatically accept the lowest bid - an abnormally low bid may indicate the contractor made a mistake and is not including the same work quoted by their competitors. We've made the bid collection process extremely simple (and free). Just click here to get started.

Page 10 | Best Roofers in San Francisco, CA

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Best of BuildZoom: 2026

BZ Score

Valex Construction

We understand remodeling your home can be an emotional experience.

BZ Score

San Francisco Investment Development Aka Sfid Design Build

It's important to communicate clearly, while listening with an attention to detail.

BZ Score

415 Remodeling Inc

Clients look for a professional experience and delivery of their project.

BZ Score

Webcor Builders Inc

The best clients get involved, understand the costs, make decisions quickly, and have clear goals

BZ Score

FORMA Construction

The only goal is to complete the project and make the client happy. Nothing else matters.

BZ Score

Dawson Clinton General Contractors

Treat the partnership like a marriage – there’s no other option but to finish.

BZ Score

Gci Construction

Setting expectations early in the process is extremely important.

BZ Score

Aaron Gordon Construction Inc

Changes to scope or designing during the build is the largest contributor to schedule slip.

BZ Score

Centric Building Inc

Some things will go wrong. I ask our clients not to judge us by that, but by how we react

BZ Score

Benjamin Shaw

Clients search for honesty, integrity, personality compatibility and value, in that order.

BuildZoom’s database now contains every licensed contractor across the U.S. - over 2.5 million of them... Categorized contractor profiles are enriched using government data from state licensing boards, Better Business Bureau ratings, and more… BuildZoom jumped into the fray by announcing that it raised $10.6 million in a round led by Formation 8. ...the Y combinator-backed startup said it will be focused on remodeling projects, where the median budget is around $19,000… A new index compiled by BuildZoom — which identifies contractors for projects — found that renovations are running 2.8 percent above their 2005 level…

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Showing 226 - 239 of the best 239 experts

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Ubr Construction & Roofing Inc

ALERT

4.0 Home additions

39.0 Roofing projects

*No active license on file. If you are Ubr Construction & Roofing Inc, click “This is My Business” to update your information.

WCR

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West Coast Roofing Co

ALERT

8.0 Roofing projects

283.0 Other projects

*No active license on file. If you are West Coast Roofing Co, click “This is My Business” to update your information.

SRI

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Sunky Roofing Inc

ALERT

Notable project: (Building permit. 66 Tingley St, San Francisco, CA, 94112). Reroofing. remove the (e) old roof ( flat roof) approx. 1 400 sf. cover with one layer of # 28 lbs base and one layer of gaf rubber torched down apply aluminium roof. coating on the surface 1"/12 slope

*No active license on file. If you are Sunky Roofing Inc, click “This is My Business” to update your information.

AGR

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Art General Roofing Inc

ALERT

Notable project: (Reroof. 2925 Glendale Ave, Redwood City, CA, 94063). # scanned # reroof. tear off shingle roof. install 30# felt underlayment install sheet metal 30 yr comparable shingle. no new plywood (color = silver)

*No active license on file. If you are Art General Roofing Inc, click “This is My Business” to update your information.

MCJ

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Michael Castagnetto Jr

ALERT

*No active license on file. If you are Michael Castagnetto Jr, click “This is My Business” to update your information.

VRI

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Vip Roofing Inc

ALERT

*No active license on file. If you are Vip Roofing Inc, click “This is My Business” to update your information.

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Jrg Roofing

ALERT

4.0 Roofing projects

*No active license on file. If you are Jrg Roofing, click “This is My Business” to update your information.

CRI

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Crown Roofing Inc

ALERT

*No active license on file. If you are Crown Roofing Inc, click “This is My Business” to update your information.

GPR

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GLEN PARK ROOFING CO INC

ALERT

Notable project: (Building permit. 777 Bayview Wy, San Mateo, CA, 94497). Remove existing roofing material apply one layer 30# glass ply sheet with hot asphalt between layers. new metal flashing around vent pipes and chimneys and around all edges. tar and gravel over entire roof area

*No active license on file. If you are GLEN PARK ROOFING CO INC, click “This is My Business” to update your information.

ARC

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ASAP Roofing Co

ALERT

Notable project: ((r) - reroof certificate (building). 367 9th St, Oakland, CA, 94607). Re-roofing certification – obstruction permit required: reserve curbside parking or obstruct sidewalk/street (scaffolding canopy fencing dumpsters traffic etc.)

*No active license on file. If you are ASAP Roofing Co, log in and update your license info in the “Edit Profile” tab.

AGR

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Aaa General Roofing Co

ALERT

Notable project: (Wroof re-roof: re-roof bldg: cdd -building. 29601 E Lone Tree Rd, Oakdale, CA, 95361). Tear off wood shake roof cover, repair dry rot to eaves, sheath a solid wood deck using 7/16" x 4' x 8' o.s.b. sheathing boards, and install 30 yr asphalt dimensional composition shingles roof cover

*No active license on file. If you are Aaa General Roofing Co, click “This is My Business” to update your information.

MRC

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MM Roofing Co

ALERT

Notable project: (Reroof. 314 Aspen Ave, South San Francisco, CA, 94080). Tear off apply modified bituman (20 squares)

*No active license on file. If you are MM Roofing Co, click “This is My Business” to update your information.

BuildZoom: The Best Way to Hire

Let us do the work for you. Simply describe your project and we'll help you find the perfect contractor.

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Summit Restoration

ALERT

10.0 Roofing projects

67.0 Other projects

*No active license on file. If you are Summit Restoration, click “This is My Business” to update your information.

SFR

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San Francisco Roof Masters

ALERT

San Francisco Roof Masters is a dependable roofing contractor in San Francisco, CA, offering expert roofing services for residential and commercial properties. As a trusted roofing company in San Francisco, CA, we specialize in durable roof installations, repairs, and maintenance designed to withstand local weather conditions. Our experienced team is dedicated to providing leak-proof,... (more)

*No active license on file. If you are San Francisco Roof Masters, log in and update your license info in the “Edit Profile” tab.

Recent San Francisco Roofing Projects

$5-$20K

94110

Residential

Roof Repair

Project completed by Hernandez Roofing Co

I have a roof inspection report from Golden Gate Housing. Can you give me an estimate? Please let me know if you're able to help. Thank you!

$5-$20K

94122

Residential

Roofing

Project completed by Roofworx inc

it's a 24 years old roof. need to replace a new one. It has small leaking currently.

94121

Residential

Roof Hatch and Ladder Installation

I am seeking estimates to install a roof hatch and ladder in a small utility room in my 3rd-floor flat so that inspectors will sign off on a new heat pump installation on our roof. It needs to satisfy California Mechanical Code 304.3: Access to Appliances on roofs and work around things on the roof (picture attached). I have a lot of appointments this week, and next week I have to take my daughter back to college. I prefer email as a first contact Please let me know if this is something you can assist with. Thank you!

$5-$20K

94118

Residential

Roofing

Victorian triplex in San Francisco Inner Richmond with roof leak and in need of restoration to potentially replacement. We are the general contractors (top #10 firm in SF with strong pipeline 12 months out, other project partnership potential if this one works out) and looking a roofing sub with solid prior experience and great reviews. Licensed and insured is mandatory. Plan sets available upon initial outreach and intro discussion. Looking forward to chatting with you

$20-$50K

95443

Residential

Roof Replacement

I'm replacing my roof this summer. I'm fairly sure I can't afford to hire out the entire job. I might be able to use someone for some segments of it. I would like to find out what you offer. If interested, please get in touch with me. Thank you!

$5-$20K

94116

Residential

Roofing

The current roof is a modified bitumen flat roof. It is not currently leaking, but I am interested in getting an inspection to see what the condition of my roof is and whether a replacement would be recommended.

94118

Residential

Roof Repair

This roof was built in 2018 and it may need another repair. It would be great for them to come out to take a look and let us know if it needs to be worked on again. Please reach out if you can help. Thank you.

$1-$5K

94133

Residential

Safety Rail

We need to build a safety rail around our roof to meet code requirements. Attached are drawings of the area and measurements. If interested, please get in touch with me. Thank you!

$5-$20K

94115

Residential

Roofing Replacement

New roof. Replace roof that is about 20 years old. No major issues currently. I am available. If you are interested in this project, please reach out. Thank you!

94127

Residential

Roofing

I got a business card from Jun Kim while he was repairing my neighbor's roof. I need an estimate to replace my flat tar&travel upper roof.

The 10 Best San Francisco, CA Roofers

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Recent San Francisco Roofing Projects

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Beautiful Results

BuildZoom is a better way to remodel any type of property.

The 10 Best San Francisco, CA Roofers

Recent Projects

Filter for Roofing Companies

Let us help you find the right general contractor.

Best of BuildZoom: 2026

Press Coverage

BuildZoom: The Best Way to Hire

Recent San Francisco Roofing Projects

BuildZoom: The Best Way to Hire