Home › California › San Mateo › Rylko Builders Inc
88of 100 · v2

Rylko Builders Inc

General Building Contractor · San Mateo, CA
Active license
Is this your business? Claim it free →
License1 record · Active license
Permits100 on file
Discipline / legalNo board discipline flag
BBBNot yet available
Phone(650) 295-0032
Address411 Borel Ave Suite 410

Report verdict

Licensed & active (expires 2026-12-31) · No board discipline flag found in covered sources · 133 permits on file (Los Angeles)

88/100 HomeProFax Score — public-record factors only, not a rating of workmanship. How the score works Full report

The state board is the authority. A flag is a prompt to read the board record, not a verdict. Verify license status with the issuing board before you hire. See methodology and disclaimer & corrections.

What this report checks

✓ License
Checked
1 board record(s) · Active license
✓ Discipline & legal
Checked
No board discipline flag found in covered sources.
✓ Permits
Checked
100 permit(s) on file from covered city sources.
◐ Reviews & complaints
Where available
BBB where researched and approved HomeProFax reviews only; external ratings are linked below, not stored or scored.

Score breakdown

FactorPointsWhy
License status35/35
Active license on file with a state board
Discipline & legal flags20/20
No disciplinary flag on board record
Permit history20/20
133 permits on file
Reviews (BBB + HomeProFax)13/25
No BBB rating on file and no approved HomeProFax reviews yet (neutral). External ratings are linked below, not stored

A simple, transparent sum of public-record factors. How the score works. Not a rating of workmanship.

Source data as of: Report rebuilt from source files on 2026-10-19 · CSLB bond/workers' comp as of 2026-10-14 · most recent permit on file: 2023-07-24.

What we checked

LicenseCheckedCA Corporation #955155 · active
BondChecked$25,000 with RLI INSURANCE COMPANY · as of 2026-10-14
Workers' compCheckedWorkers' Compensation Insurance (TRANSPORTATION INSURANCE COMPANY) · as of 2026-10-14
Years licensedCheckedLicensed since 2010
Business registrationNot available in CAState business registry not loaded yet
PermitsChecked133 permits on record
DisciplineCheckednone on record
OSHANot checked yetOSHA records not checked yet
Reviews & outside linksNot checked yetNo review lookup run yet
Contractor-providedNot checked yetNothing provided by the contractor yet

Public records as of their source dates. Board status is shown as reported by the board. Not a guarantee. Ask the contractor for their verified HomeProFax report.

Licenses

Licensed since 2010 (earliest original issue date on these state license records; not a business start date)

License #TypeStatusIssuedExpiresSource
CA 955155Corporation (B)
Workers' comp: Workers' Compensation Insurance (TRANSPORTATION INSURANCE COMPANY); Contractor bond: $25000 (RLI INSURANCE COMPANY)
clear2010-12-012026-12-31State board

Bond & workers' comp

Contractor bond$25,000 · RLI INSURANCE COMPANY · effective 2026-02-17
Workers' compWorkers' Compensation Insurance · TRANSPORTATION INSURANCE COMPANY · effective 2026-07-01 · expires 2027-07-01

Source: CSLB Public Data Portal (License Master), as of 2026-10-14. Verify current bond and insurance with CSLB and the insurer before you hire.

Building permits

DatePermitTypeAddressValue
2023-07-24202307242776otc alterations permit272 King St$100,000
2023-07-24202307242782otc alterations permit238 King St$45,000
2023-06-14202305308794otc alterations permit33 New Montgomery St$10,000
2023-06-01202305308800otc alterations permit33 New Montgomery St$10,000
2023-06-01202305228247otc alterations permit33 New Montgomery St$115,000
2023-05-16202305167847otc alterations permit430 California St$90,000
2023-05-03202301240619otc alterations permit430 California St$85,000
2023-04-18202304044986otc alterations permit33 New Montgomery St$900,000
2023-03-30202303173862otc alterations permit33 New Montgomery St$600,000
2023-03-30202303224138otc alterations permit33 New Montgomery St$320,000
2023-03-21202303093307otc alterations permit33 New Montgomery St$93,000
2023-02-16202301311041otc alterations permit601 California St$30,000
2022-10-20202210204817otc alterations permit601 California St$5,000
2022-09-26202208261332otc alterations permit601 California St$95,000
2022-08-04202208019619otc alterations permit601 California St$155,000
2022-07-01202205244843otc alterations permit601 California St$95,000
2021-07-12202107063796otc alterations permit301 Brannan St$127,481
2021-05-26202105120261otc alterations permit301 Brannan St$1
2021-03-04202009265074otc alterations permit301 Brannan St$350,000
2021-03-04202009265066otc alterations permit301 Brannan St$350,000
2021-03-04202009265118otc alterations permit301 Brannan St$350,000
2021-03-04202009265072otc alterations permit301 Brannan St$350,000
2021-02-19202009023298additions alterations or repairs301 Brannan St$800,000
2020-11-18202009265073otc alterations permit301 Brannan St$350,000
2020-10-30202009144164otc alterations permit301 Brannan St$690,000
2020-10-09202006128648otc alterations permit100 Bush St$150,000
2020-07-22202007220619additions alterations or repairs301 Brannan St$2,000,000
2020-02-19202002184648otc alterations permit845 Market St$5,000
2020-01-30201902122757sign - erect845 Market St$2,500
2020-01-30201902122759sign - erect845 Market St$2,500
2020-01-30201902122750otc alterations permit845 Market St$25,000
2019-12-16201909171869otc alterations permit865 Market St$1
2019-12-06201907317489otc alterations permit865 Market St$3,000
2019-11-20201909242587otc alterations permit865 Market St$80,000
2019-09-12201907256991otc alterations permit865 Market St$195,000
2019-08-02201810233880otc alterations permit845 Market St$15,000
2019-07-22201904228564otc alterations permit3060 Fillmore St$1,500,000
2019-06-21201903226048otc alterations permit845 Market St$1,000,000
2019-06-07201905312197otc alterations permit845 Market St$180,000
2019-05-21201904107676otc alterations permit865 Market St$80,000
2019-05-08201904178183otc alterations permit601 California St$100,000
2019-03-22201811216596otc alterations permit845 Market St$800,000
2019-02-05201902052067otc alterations permit601 California St$1
2019-02-05201902052062otc alterations permit601 California St$1
2018-12-04201809130098otc alterations permit90 New Montgomery St$450,000
2018-11-08201808318885otc alterations permit845 Market St$6,000
2018-10-18201810021993otc alterations permit601 California St$136,000
2018-10-18201810042295otc alterations permit601 California St$224,000
2018-10-11201807164671otc alterations permit865 Market St$136,682
2018-10-01201808026278otc alterations permit865 Market St$129,000
2018-09-19201809069306otc alterations permit845 Market St$40,000
2018-09-10201809069328otc alterations permit601 California St$460,000
2018-08-15201807245324otc alterations permit90 New Montgomery St$269,000
2018-08-15201807265660otc alterations permit845 Market St$140,000
2018-07-23201807235268additions alterations or repairs845 Market St$1
2018-07-20201805088522additions alterations or repairs845 Market St$650,000
2018-07-10201806262955otc alterations permit601 California St$125,000
2018-07-10201712156637otc alterations permit814 Mission St$1
2018-07-10201806262956otc alterations permit601 California St$35,000
2018-06-01201805300415otc alterations permit575 Market St$5,000
2018-04-26201804267434otc alterations permit601 California St$30,000
2018-04-24201712277431additions alterations or repairs865 Market St$97,516
2018-04-20201804206905otc alterations permit601 California St$50,000
2018-04-05201712156591otc alterations permit845 Market St$50,000
2018-04-05201804055658otc alterations permit1098 Harrison St$1
2018-04-03201803143598otc alterations permit601 California St$175,367
2018-03-07201803073140sign - erect865 Market St$8,000
2018-01-12201801118374otc alterations permit601 California St$70,000
2017-12-11201710020080otc alterations permit814 Mission St$12,500
2017-12-06201710262302otc alterations permit601 California St$165,891
2017-11-15201710181541otc alterations permit865 Market St$2,300
2017-10-27201710272449otc alterations permit90 New Montgomery St$5,000
2017-10-04201706058419otc alterations permit865 Market St$3,181,500
2017-10-03201710030155otc alterations permit601 California St$9,500
2017-10-03201710030157otc alterations permit601 California St$1,500
2017-09-26201709188881otc alterations permit90 New Montgomery St$443,388
2017-08-31201708225570otc alterations permit865 Market St$20,000
2017-08-18201708104523otc alterations permit601 California St$70,000
2017-08-18201708104525otc alterations permit601 California St$140,000
2017-08-18201708114568otc alterations permit601 California St$72,000
2017-08-1417016-10000-06290Bldg-Alter/Repair - Commercial10250 SANTA MONICA BLVD$410,000
2017-08-0917016-10001-06290Bldg-Alter/Repair - Commercial10250 SANTA MONICA BLVD$501
2017-08-0817044-10000-03028HVAC - Commercial10250 SANTA MONICA BLVD—
2017-08-0717041-10000-09444Electrical - Commercial10250 SANTA MONICA BLVD—
2017-08-0717042-10000-06059Plumbing - Commercial10250 SANTA MONICA BLVD—
2017-05-12201705096042otc alterations permit301 Howard St$39,000
2017-03-16201703161585otc alterations permit301 Howard St$25,000
2017-03-09201702240038otc alterations permit601 California St$1
2017-03-09201702240040otc alterations permit601 California St$1
2017-02-22201701257919otc alterations permit845 Market St$210,000
2017-02-07201612195306otc alterations permit845 Market St$180,000
2017-01-18201612024010otc alterations permit301 Howard St$293,046
2017-01-10201701096776otc alterations permit865 Market St$1
2017-01-09201701096773otc alterations permit865 Market St$1
2016-12-22201611102398otc alterations permit601 California St$115,000
2016-12-13201611283542otc alterations permit845 Market St$500,000
2016-12-01201612013891otc alterations permit301 Howard St$5,000
2016-12-01201612013894otc alterations permit301 Howard St$5,000
2016-11-17201611152740otc alterations permit301 Howard St$50,000
2016-11-17201611152736otc alterations permit301 Howard St$45,000

Showing the 100 most recent of 133 permits on file. Source: DataSF (Building Permits + Building Permits Contacts), City of Los Angeles Open Data (LADBS Building Permits)

Permit data: City of Los Angeles Open Data (LADBS Building Permits), licensed under CC BY 4.0. HomeProFax matched permits to licensed contractors; data modified from the original. Not endorsed by the City of Los Angeles. Los Angeles permits shown run through May 2023.
Source: DataSF, City and County of San Francisco (Building Permits; Building Permits Contacts).

Discipline, complaints & legal

No board discipline or complaints found in our current sources. Federal court search (CourtListener): no state-consistent possible match in our last sample run, or not yet run for this contractor.

Around the web

Search other sites — these open a search for this name and location. They are not verified matches; check the business name, address and license number on the result.

Search Google Maps ↗ Search Angi ↗ Search Yelp ↗ Search BBB ↗ Search HomeAdvisor ↗

Outside ratings are shown for context only and are not part of the HomeProFax Score. Why?

Reviews

External review checks (we link out; we do not store or score Google, Angi, Yelp or Houzz ratings):

Check Google reviews ↗ Search BBB ↗

Homeowner reviews on HomeProFax

No published homeowner reviews yet.

Leave a review

Reviews are moderated before publishing.

Is this your business?

Claim this profile for free to correct details, add insurance and photos, and get a verified badge.

Claiming this profile
Rylko Builders Inc · General Building Contractor
San Mateo, CA
License on file: CA ••••5155
I am the…

Next: enter the 6-digit code we email you (good for 48 hours). Most claims get a decision right after that, along with your website badge and a link to finish your profile. If yours needs a person to check it, you will hear back within 1 business day. After approval you’ll get a short “complete your profile” step for insurance, service areas, website and photos — none of that is needed now.

Something wrong with the name, city or license above?

Only fill this in if the license on file is not yours. Otherwise leave it blank — we already have it.

For a wrong business name or city, submit the claim and note it via Request a correction — an admin reviews every claim.

Sources for this report

See something wrong? Request a correction. This report is compiled from public records and is not a consumer report.

More General Contractors in San Mateo, CA

Compare 322 general contractors in San Mateo by license status, permits and score.

See general contractors in San Mateo → All contractors in San Mateo