Wing On Construction INC
Wing On Construction INC is a California corporation based in San Leandro (Alameda County) with contractor license #949206 (A, B), first issued in 2010. 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, 6 of them home projects (ADU, custom home). 0% of them were finaled by the city inspector. The median declared job value is $186,750. Most of the work was in 94134 · Portola / Visitacion Valley, 94107 · Potrero Hill / South of Market. The latest permit is from Jan 27, 2026. The license lists a contractor bond and workers' compensation coverage.
Business phone (CSLB)
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License
| License # | 949206 |
|---|---|
| Status | Active, no violations |
| Classes | A, B |
| Business type | corporation |
| Issued / Expires | Jun 24, 2010 / Jun 30, 2028 |
| Contractor bond | Yes |
| Workers' comp | Yes, on file |
| Based in | San Leandro, Alameda County |
Recent permits
| Date | Work | Area | Declared value | Status |
|---|---|---|---|---|
| Jan 27, 2026 | Custom new home | 94107 · Potrero Hill / South of Market | $1,361,747 | Issued |
| Jan 27, 2026 | Other permits | 94107 · Potrero Hill / South of Market | $12,150 | Issued |
| Jan 27, 2026 | Custom new home | 94107 · Potrero Hill / South of Market | $1,361,747 | Issued |
| Oct 23, 2025 | ADU / granny flat | 94134 · Portola / Visitacion Valley | $10,000 | Issued |
| Sep 23, 2025 | ADU / granny flat | 94134 · Portola / Visitacion Valley | $151,200 | Issued |
| Sep 23, 2025 | ADU / granny flat | 94134 · Portola / Visitacion Valley | $225,000 | Issued |
| Sep 23, 2025 | ADU / granny flat | 94134 · Portola / Visitacion Valley | $186,750 | Issued |
Street addresses of homeowners are never shown.
Work on permits
Where they work
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