D Squared Construction
D Squared Construction is a California corporation based in Concord (Contra Costa County) with contractor license #998372 (B), first issued in 2014. CSLB status on Nov 9, 2026: Active, no violations. From Jan 1, 2025 to Nov 8, 2026, building departments recorded 2 permits under this name. The latest permit is from Apr 6, 2026. The license lists a contractor bond and workers' compensation coverage.
2permits 2025–26
0home-project permits
12years licensed
Apr 6, 2026latest permit
Business phone (CSLB)
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License
| License # | 998372 |
|---|---|
| Status | Active, no violations |
| Classes | B |
| Business type | corporation |
| Issued / Expires | Nov 4, 2014 / Nov 30, 2028 |
| Contractor bond | Yes |
| Workers' comp | Yes, on file |
| Based in | Concord, Contra Costa County |
Recent permits
| Date | Work | Area | Declared value | Status |
|---|---|---|---|---|
| Apr 6, 2026 | HVAC, plumbing & electrical | 94112 · Excelsior / Outer Mission | $95,000 | Finaled |
| Aug 4, 2025 | Other permits | 94122 · Sunset/Parkside / Inner Sunset | – | Finaled |
Street addresses of homeowners are never shown.
Work on permits
Other permits · 1 permit HVAC, plumbing & electrical · 1 permit
Where they work
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