Clear

SIERRA SEPTIC SERVICE & SUPPLY CO

License #417533NewcastleCorporationLicensed since January 29, 1982

License

Status
CLEAR
First issued
January 29, 1982
Reissued
November 13, 2025
Expires
November 30, 2027
Entity
Corporation
Address of record
10239 OPHIR RD, Newcastle, CA 95658
Phone of record
(530) 885 3492

Contractor bond

Surety
NATIONWIDE MUTUAL INSURANCE COMPANY
Bond number
7901289409
Amount
$25,000
Effective
November 13, 2025

Workers’ compensation

Carrier
STATE COMPENSATION INSURANCE FUND
Policy number
9393377
Effective
January 1, 2026
Expires
January 1, 2027

Are they licensed for your job?

A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.

Licensed to perform

A contractor may only contract for work within their classifications. See all 5 licensed plumbing contractors in Newcastle.

People on this license

NameTitleSinceThrough
BUKER HEATHER LEEOfficerNovember 13, 2025Current
OSTENSON GUY LAVELLResponsible Managing Officer/Chief Executive Officer/PresidentNovember 13, 2025Current
OSTENSON GUY LAVELLSole OwnerJanuary 29, 1982November 13, 2025
OSTENSON GUY LAVELLSole OwnerApril 26, 1993November 13, 2025
OSTENSON GUY LAVELLSole OwnerMarch 28, 2003November 13, 2025

Verified status badge

Put this on your website or in a bid packet. It reads the state’s record live every time someone loads it, so it is never a screenshot of a good day. Free, and you don’t need to claim this listing to use it.

SIERRA SEPTIC SERVICE & SUPPLY CO — California contractor license #417533 status, verified against CSLB records
<a href="https://bookofbuilders.com/license/417533" target="_blank" rel="noopener">
  <img src="https://bookofbuilders.com/badge/417533.svg" alt="SIERRA SEPTIC SERVICE & SUPPLY CO — California contractor license #417533 status, verified against CSLB records" width="268" height="76">
</a>

The badge shows whatever the CSLB record says — including a suspension or lapsed coverage. There is no paid version and no way to change what it displays. That is what makes it worth showing. The same data as JSON if you’d rather build your own.

Is this your license?

Claim this page to add your photos, description, service area and contact details. The state’s record above stays exactly as it is — claiming adds to a page, it never edits or hides anything the CSLB reports.

Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.