Martinez Stair Company INC
Martinez Stair Company INC holds California contractor licence 848380 (General Building) in Concord, Contra Costa County. Status: Expired · expires Oct 31, 2026.
What this means
- The licence expired on Oct 31, 2026. An expired licence cannot be used to contract for work in California until it is renewed.
- Contractor's bond: $25,000 with Merchants Bonding Company (Mutual). The bond is there to pay consumers and workers harmed by licence-law violations; it is not liability insurance and it does not guarantee the work.
- Workers' comp: Workers' Compensation Insurance with Markel Insurance Company, policy through Sep 2, 2027.
Watch this licence: $9/month. We email you when CSLB's file shows a change to this licence's status, bond, workers' comp or expiry. Checked every Monday and Thursday. Cancel any time.
Watch this licenceLicence details
| Licence number | 848380 |
|---|---|
| Business name (as CSLB lists it) | MARTINEZ STAIR COMPANY INC |
| Business type | Corporation |
| Status | Expired |
| Issued | Oct 18, 2004 |
| Reissued | Oct 22, 2018 |
| Expires | Oct 31, 2026 |
| City / county / ZIP | Concord / Contra Costa / 94521 |
| Business phone | (925) 788 0383 |
| Contractor's bond surety | Merchants Bonding Company (Mutual) |
| Bond amount | $25,000 |
| Bond number | 101467957 |
| Bond effective | May 29, 2025 |
| Workers' comp | Workers' Compensation Insurance |
| Workers' comp insurer | Markel Insurance Company |
| Workers' comp effective | Sep 2, 2026 |
| Workers' comp expires | Sep 2, 2027 |
| CSLB record last updated | Oct 12, 2026 |
Classifications
- B General Building: framing and building whole structures, and projects that involve two or more unrelated trades · other general building contractors in Concord
Change history
- Current workers' comp record took effect
- Current contractor's bond took effect (Merchants Bonding Company (Mutual))
- Licence reissued
- Licence issued
Changes come from comparing successive copies of CSLB's public licence master file (refreshed twice a week) since October 2026, plus the dates printed on the current record.
Need a bond or workers' comp quote?
If this is your licence and you need a contractor's bond, a replacement bond or workers' comp, request quotes from licensed providers. Free, no obligation.
Check the official record (free): CSLB licence 848380 on cslb.ca.gov. Always confirm there before you hire or sign.
Rasengan Data is a private service, not CSLB. This page is built from the public CSLB licence master file as published; it may lag the live CSLB record by a few days. Not legal advice. Is this your licence and something looks wrong? CSLB's record is the source; email rasengan.win@gmail.com about this page.