Abacus Group Builders INC
Abacus Group Builders INC is a California corporation based in Corte Madera (Marin County) with contractor license #522340 (B), first issued in 1988. 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, 3 of them home projects (kitchen & bath, patio cover & deck). 0% of them were finaled by the city inspector. The median declared job value is $60,000. Most of the work was in 94941 · Mill Valley. The latest permit is from Jul 2, 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 # | 522340 |
|---|---|
| Status | Active, no violations |
| Classes | B |
| Business type | corporation |
| Issued / Expires | Jan 5, 1988 / Aug 31, 2027 |
| Contractor bond | Yes |
| Workers' comp | Yes, on file |
| Based in | Corte Madera, Marin County |
Recent permits
| Date | Work | Area | Declared value | Status |
|---|---|---|---|---|
| Jul 2, 2026 | Patio cover & deck | 94947 · Novato | $937,000 | Issued |
| Jun 12, 2026 | HVAC, plumbing & electrical | 94112 · Excelsior / Outer Mission | $15,000 | Issued |
| Dec 30, 2025 | HVAC, plumbing & electrical | 94112 · Excelsior / Outer Mission | $80,000 | Issued |
| Oct 31, 2025 | Kitchen & bath remodel | 94941 · Mill Valley | $60,000 | Issued |
| Jul 10, 2025 | Kitchen & bath remodel | 94930 · Fairfax | $120,000 | Issued |
| Jun 24, 2025 | Other permits | 94941 · Mill Valley | $35,000 | Issued |
| Jan 27, 2025 | Other permits | 94941 · Mill Valley | $50,000 | Issued |
Street addresses of homeowners are never shown.
Work on permits
Where they work
Similar contractors in Corte Madera
- Terry MC Daniel ConstructionCorte Madera · #660688 · 6 permits
- Dziurzynski MariuszCorte Madera · #1130995 · 3 permits
- Quick Connect Electric COCorte Madera · #394146 · 4 permits
- CS Construction COCorte Madera · #1039312 · 18 permits
- Young Brothers Remodel INCCorte Madera · #1093478 · 3 permits