✓

License is active

Source: Contractors State License Board (CSLB)

✓

Licensed

Current and in good standing

✓

Bonded

$25,000 surety bond

✓

Insured

Workers' comp coverage on file

✓

Clean record

No complaints or disciplinary actions

California licensing requirements →

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MTZWEST ENGINEERING CO

License Number: 679016
State: California
Status: active
Business Type: Sole Owner
Address: 164 ROBLES WAY 281 VALLEJO, CA, 94591 Solano County
Phone: (925) 395 0293

License Dates

Issued

10/18/1993

Expires

10/31/2027

Expires in 19 months

CSLB Last Updated

02/06/2026

License Classifications

A| B| C10 A| B| C10

Personnel & Officers

MARTINEZ-SOTO MARIO ROMEO

Sole Owner

BC10A

Active

Contractor Bond

Bonded

Amount: $25,000

Company: PHILADELPHIA INDEMNITY INSURANCE COMPANY

Bond #PB10163407384

Effective: 02/06/2026

Workers' Compensation

Has policy

Carrier: NATIONAL LIABILITY AND FIRE INSURANCE COMPANY

Policy #N9WC114992

Effective: 08/09/2025

Expires: 08/09/2026

CSLB designation: Workers' Compensation Insurance

Complaints & Disciplinary History

No disciplinary actions on file

This reflects CSLB's bulk license data. For detailed complaint history including pending investigations, check the official CSLB record.

Building Permits

Source: LA City Open Data (LADBS)

otc alterations permit

39 Fair Oaks St, 94110

remove (e) pipe pile and wood lagging retaining wall and replace with (n) steel beam and wood lagging retaining wall located at rear of property in the same location.

$60,000

2025-10-17

complete

otc alterations permit

762 Great Hy, 94121

replace (e) kitchen cabinets, install new countertop, new appliances, install new ceiling fan in living room, install new tile in hallway master bath with one sink in master and 2 sinks in hallway bat

$40,000

2015-04-29

complete

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Data sourced from official state licensing board records. Always confirm critical information directly with the state board.