Tri Line Construction CO
Tri Line Construction CO is a California sole owner based in Burlingame (San Mateo County) with contractor license #683711 (B), first issued in 1994. CSLB status on Nov 9, 2026: Active, no violations. From Jan 1, 2025 to Nov 8, 2026, building departments recorded 8 permits under this name, 5 of them home projects (kitchen & bath, patio cover & deck, roofing). 75% of them were finaled by the city inspector. The median declared job value is $37,152. Most of the work was in 94122 · Sunset/Parkside / Inner Sunset, 94112 · Excelsior / Outer Mission. The latest permit is from Jul 29, 2026. The license lists a contractor bond and an exemption from workers' compensation (no employees).
Business phone (CSLB)
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License
| License # | 683711 |
|---|---|
| Status | Active, no violations |
| Classes | B |
| Business type | sole owner |
| Issued / Expires | Jan 21, 1994 / Jan 31, 2028 |
| Contractor bond | Yes |
| Workers' comp | Exempt (no employees) |
| Based in | Burlingame, San Mateo County |
Recent permits
| Date | Work | Area | Declared value | Status |
|---|---|---|---|---|
| Jul 29, 2026 | Patio cover & deck | 94127 · West of Twin Peaks | $34,304 | Issued |
| Jul 29, 2026 | Roofing | 94127 · West of Twin Peaks | $3,500 | Finaled |
| Jun 18, 2026 | Other permits | 94122 · Sunset/Parkside / Inner Sunset | $1,500 | Issued |
| Nov 4, 2025 | Kitchen & bath remodel | 94112 · Excelsior / Outer Mission | $20,000 | Finaled |
| Sep 22, 2025 | Kitchen & bath remodel | 94112 · Excelsior / Outer Mission | $40,000 | Finaled |
| Jul 14, 2025 | Other permits | 94122 · Sunset/Parkside / Inner Sunset | $40,000 | Finaled |
| Jul 14, 2025 | Other permits | 94122 · Sunset/Parkside / Inner Sunset | $40,000 | Finaled |
| May 23, 2025 | Kitchen & bath remodel | 94112 · Excelsior / Outer Mission | $150,000 | Finaled |
Street addresses of homeowners are never shown.
Work on permits
Where they work
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