Concretum Operis INC.
Concretum Operis INC. is a California corporation based in Richmond (Contra Costa County) with contractor license #1062721 (B, C-8), first issued in 2020. CSLB status on Nov 9, 2026: Active, no violations. From Jan 1, 2025 to Nov 8, 2026, building departments recorded 7 permits under this name, 2 of them home projects (kitchen & bath). 14% of them were finaled by the city inspector. The median declared job value is $7,000. The latest permit is from May 8, 2026. The license lists a contractor bond and workers' compensation coverage.
Business phone (CSLB)
Before you sign, confirm the license is still active on the CSLB site, get a written contract and ask for the permit number for your job.
Is this your business? You can ask us to correct or remove this profile. hello@permitproven.com
License
| License # | 1062721 |
|---|---|
| Status | Active, no violations |
| Classes | B, C-8 |
| Business type | corporation |
| Issued / Expires | Jan 27, 2020 / Jan 31, 2028 |
| Contractor bond | Yes |
| Workers' comp | Yes, on file |
| Based in | Richmond, Contra Costa County |
Recent permits
| Date | Work | Area | Declared value | Status |
|---|---|---|---|---|
| May 8, 2026 | Other permits | 94115 · Pacific Heights / Western Addition | – | Issued |
| Mar 12, 2026 | Kitchen & bath remodel | 94131 · Noe Valley / Glen Park | $5,000 | Issued |
| Feb 13, 2026 | HVAC, plumbing & electrical | 94131 · Noe Valley / Glen Park | $30,579 | Issued |
| Jan 29, 2026 | HVAC, plumbing & electrical | 94118 · Inner Richmond / Presidio Heights | $7,500 | Finaled |
| Oct 16, 2025 | Other permits | 94121 · Outer Richmond / Seacliff | – | Issued |
| Apr 30, 2025 | Other permits | 94123 · Marina / Pacific Heights | $8,000 | Issued |
| Apr 9, 2025 | Kitchen & bath remodel | 94903 · San Rafael | $7,000 | Issued |
Street addresses of homeowners are never shown.
Work on permits
Where they work
Similar contractors in Richmond
- Pineda Construction INCRichmond · #1025258 · 11 permits
- FGV Construction CORichmond · #1096983 · 10 permits
- Ayala Builder's And Company INCRichmond · #1043486 · 9 permits
- E & E General Builder INCRichmond · #1022532 · 5 permits
- California Building And RemodelingRichmond · #939190 · 13 permits
- SFR Builders INCRichmond · #1132615 · 6 permits
- MBM RenovationsRichmond · #1104432 · 2 permits
- Jonathan Tower Const.Richmond · #586398 · 2 permits