Clear

ESP/ENVIRONMENTALLY SAFE PRODUCTS & PROCEDURES

License #508842San JoseSole OwnerLicensed since April 9, 1987

License

Status
CLEAR
First issued
April 9, 1987
Expires
June 30, 2028
Entity
Sole Owner
Address of record
434 ROBERSON LANE, San Jose, CA 95112
Phone of record
(408) 436 0470

Contractor bond

Surety
AMERICAN CONTRACTORS INDEMNITY COMPANY
Bond number
SC6041214
Amount
$25,000
Effective
January 1, 2023

Workers’ compensation

Carrier
OMAHA NATIONAL CASUALTY COMPANY
Policy number
ONCC0972307
Effective
May 6, 2026
Expires
May 6, 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 553 licensed electrical contractors in San Jose.

People on this license

NameTitleSinceThrough
BONASERA DAVID CLINTONSole OwnerApril 9, 1987Current
BONASERA DAVID CLINTONSole OwnerMay 26, 2000Current

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.

ESP/ENVIRONMENTALLY SAFE PRODUCTS & PROCEDURES — California contractor license #508842 status, verified against CSLB records
<a href="https://bookofbuilders.com/license/508842" target="_blank" rel="noopener">
  <img src="https://bookofbuilders.com/badge/508842.svg" alt="ESP/ENVIRONMENTALLY SAFE PRODUCTS & PROCEDURES — California contractor license #508842 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.