Updated: Feb 14, 2026
Location
Address
224 HEARTHSTONE CIR, Oakley, CA, 94561
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Detailed Modular Construction Inc
Detailed Modular Construction Inc, 224 Hearthstone Cir, Oakley, CA (Employees: Joseph Salvador Arreguin and Richard Paul St Angelo) holds a General Building license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Detailed Modular Construction Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
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Detailed Modular Construction Inc Contact Information
Address: 224 HEARTHSTONE CIR, Oakley, CA 94561
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Detailed Modular Construction Inc License info
Verified License
| License # | 1135407 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Detailed Modular Construction Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | Merchants Bonding Company (Mutual) |
| Bond Value | $25,000 |
Insured
| Workers Comp Provider | Endurance Assurance Corporation |
Detailed Modular Construction Inc Employees
JA
Joseph Salvador Arreguin
Officer
RA
Richard Paul St Angelo
Rmo / Ceo / Pres