Skip to content
Nearby Plumber — nearbyplumber.com · License-verified plumbing directory · printed Oct 22, 2026
Plumbers › California › San Mateo County › In & Out Plumbing and Construction Inc.
Licensed C-36 Plumbing · South San Francisco, CA

In & Out Plumbing and Construction Inc.

✓ CSLB Verified South San Francisco, CA · San Mateo County

In & Out Plumbing and Construction Inc., based in South San Francisco, CA, holds CSLB license 878184 (C-36 Plumbing), which read active when we checked it on Oct 20, 2026.

License
C-36 Plumbing
License status
● Active
Last checked
Oct 20, 2026

CSLB license verification for In & Out Plumbing and Construction Inc.

LicenseLicense numberStatus
C-36 Plumbing 878184 ● Active
Last checked against CSLB records: Oct 20, 2026· Look up license 878184 on the CSLB license check ↗

License data from the Contractors State License Board (cslb.ca.gov), published on its Public Data Portal, copied on the date shown. Neither this site nor the information as presented here is endorsed by the State of California or any state agency.

What the CSLB badge means

  • Their license number appears in the CSLB record and reads active on the date shown.
  • The name and county we list match that record.
  • We re-check on a schedule and date-stamp every check.

What the badge does not mean

  • It is not a recommendation, an endorsement or a quality rating.
  • It does not confirm insurance, bonding or pricing.
  • It does not mean they are taking work right now.

Where In & Out Plumbing and Construction Inc. is based

County of record on the CSLB listing. That is where the business is filed, not where it works. The license is valid statewide.

In & Out Plumbing and Construction Inc. reviews

No customer reviews of In & Out Plumbing and Construction Inc. yet. We only publish reviews from confirmed customers after completed work, and we never import or synthesize them.

(650) 589-4855 Get 3 free quotes
Free plumber quotes

Get free plumber quotes in San Mateo County.

This is not a private message to In & Out Plumbing and Construction Inc. Tell us once and we send it to up to 3 license-verified San Mateo County plumbers — or call In & Out Plumbing and Construction Inc directly: (650) 589-4855. Free, no spam, delete your request anytime.

Plumbing Quote Request

Secure form. Sent over an encrypted connection to up to 3 license-verified plumbers. Never sold to data brokers, and you can have your request deleted anytime.