Tromborg Royal Plumbing & Heating
Tromborg Royal Plumbing & Heating is a California sole owner based in Daly City (San Mateo County) with contractor license #773207 (B, C-36), first issued in 2000. CSLB status on Nov 9, 2026: Active, no violations. From Jan 1, 2025 to Nov 8, 2026, building departments recorded 9 permits under this name, 2 of them home projects (remodel & repair, kitchen & bath). 11% of them were finaled by the city inspector. The median declared job value is $10,000. Most of the work was in 94112 · Excelsior / Outer Mission. The latest permit is from Oct 17, 2025. The license lists a contractor bond and an exemption from workers' compensation (no employees).
Business phone (CSLB)
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License
| License # | 773207 |
|---|---|
| Status | Active, no violations |
| Classes | B, C-36 |
| Business type | sole owner |
| Issued / Expires | Jan 3, 2000 / Jan 31, 2028 |
| Contractor bond | Yes |
| Workers' comp | Exempt (no employees) |
| Based in | Daly City, San Mateo County |
All permits (9)
| Date | Work | Area | Declared value | Status |
|---|---|---|---|---|
| Oct 17, 2025 | Other permits | 94124 · Bayview Hunters Point | $4,000 | Issued |
| Sep 17, 2025 | Kitchen & bath remodel | 94124 · Bayview Hunters Point | $5,000 | Issued |
| Jun 30, 2025 | HVAC, plumbing & electrical | 94134 · Portola / Visitacion Valley | $7,000 | Finaled |
| Jun 3, 2025 | HVAC, plumbing & electrical | 94112 · Excelsior / Outer Mission | $10,000 | Issued |
| May 7, 2025 | Remodel & repair | 94112 · Excelsior / Outer Mission | $10,000 | Issued |
| Apr 9, 2025 | HVAC, plumbing & electrical | 94134 · Portola / Visitacion Valley | $10,000 | Issued |
| Mar 7, 2025 | HVAC, plumbing & electrical | 94112 · Excelsior / Outer Mission | $10,000 | Issued |
| Jan 27, 2025 | HVAC, plumbing & electrical | 94112 · Excelsior / Outer Mission | $10,000 | Issued |
| Jan 9, 2025 | HVAC, plumbing & electrical | 94903 · San Rafael | $2,500 | Issued |
Street addresses of homeowners are never shown.
Work on permits
Where they work
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