De Mattei Construction Inc

CSLB #478455 · DE MATTEI CONSTRUCTION INC · Corporation

Licensed California contractor based in San Jose.

What the records show

Confirmed from public records

3ADU permits on file

40Years licensed

1Areas they work

ClearLicence standing

Licence and insurance

California Contractors State License Board

Status: Licence clear
Classification: B, general building
Issued: 1985-08-21 · expires 2027-01-31
Contractor bond: $25,000 NATIONWIDE MUTUAL INSURANCE COMPANY
Workers' compensation: Covered SENTINEL INSURANCE COMPANY LTD
Disciplinary action: None on record
Registered address: SAN JOSE, Santa Clara County

Where they work

Confirmed from public records

City	Standing	ADU permits	Pre-approved plans
Los Gatos	Permits on file	3	no

ADU Standards does not issue zoning determinations and does not endorse contractors. Licence details are from the California Contractors State License Board, checked 2026-08-15. A city that pre-approves a plan has vetted the plan, not the builder. Always confirm licence standing at cslb.ca.gov before you sign anything.