Onzone Heating & Cooling INC
Onzone Heating & Cooling INC is a California corporation based in Pleasanton (Alameda County) with contractor license #1154419 (C-20), first issued in 2026. 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 Sep 14, 2026. The license lists a contractor bond and workers' compensation coverage.
2permits 2025–26
0home-project permits
0years licensed
Sep 14, 2026latest permit
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 # | 1154419 |
|---|---|
| Status | Active, no violations |
| Classes | C-20 |
| Business type | corporation |
| Issued / Expires | May 1, 2026 / May 31, 2028 |
| Contractor bond | Yes |
| Workers' comp | Yes, on file |
| Based in | Pleasanton, Alameda County |
Recent permits
| Date | Work | Area | Declared value | Status |
|---|---|---|---|---|
| Sep 14, 2026 | HVAC, plumbing & electrical | 94121 · Outer Richmond / Seacliff | $47,000 | Issued |
| Sep 14, 2026 | HVAC, plumbing & electrical | 94121 · Outer Richmond / Seacliff | $47,000 | Issued |
Street addresses of homeowners are never shown.
Work on permits
HVAC, plumbing & electrical · 2 permits
Where they work
Similar contractors in Pleasanton
- Service ChampionsPleasanton · #817040 · 136 permits
- Jazz Heating & Cooling LLCPleasanton · #1125222 · 119 permits
- Rooflow INCPleasanton · #1139296 · 30 permits
- Cal Coast Window & DoorPleasanton · #1136909 · 24 permits
- Custom Exteriors INCPleasanton · #785361 · 24 permits
- Black Mountain DevelopmentPleasanton · #584024 · 12 permits
- Signature Homes INCPleasanton · #950124 · 7 permits
- Frank Fiala RoofingPleasanton · #686707 · 3 permits