Y L Construction
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#1646
by NYC filing activity
among NYC general contractors, last 90 days
4
project records
Jan 2025 to Jan 2026
0/16
active weeks
weeks with a filing (last 16)
4 projects
Scopes, declared values and this firm's role on each one
See 4 projects involving Y L Construction
Recent projects involving this firm
Excelsior
Revision to pa# 2025-1107-9151: 2nd fl. convert living room to bed room; remove cement plaster…
$162K
West of Twin Peaks
Revision to pa #202508072495. staircase is originally brick, but want to change material to…
$279K
Excelsior
Revision to pa # 2023-0714-2156 2nd fl: replace bedroom 3 swing door leading to balcony. infill…
$1K
Neighbourhood, filing date, scope and declared value are shown here. Exact addresses, full filing histories and project teams are part of the paid product.
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4 project records for Y L Construction: addresses, values, project teams
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Middle 50% of declared values: $1K–$279K (median $162K)
Most recent filing: Excelsior · Jan 27, 2026
0 active · 0 newly observed last 90 days
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Filing activity · last 16 weeks
APR
MAY
JUN
JUL
0
active projects (last 90d)
0
newly observed (last 90d)
—
peak month
Project mix · by use
Residential100%
Geography · by borough
Excelsior75%
West of Twin Peaks25%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | William Liang | Engineering | 3 | |
| 2 | William Liang | Engineering | 1 | |
| None on shared filings. | ||||
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
Frequently asked questions
How many SF projects has Y L Construction filed?▾
PermitPipeline tracks 4 San Francisco building-permit projects for Y L Construction (Jan 2025 to Jan 2026). 0 had filing activity in the last 90 days.
Does Y L Construction work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Y L Construction's projects are commercial and 100% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Y L Construction work?▾
75% of Y L Construction's tracked San Francisco projects are in Excelsior.
What is a typical Y L Construction project worth?▾
Across the 8 tracked projects with a declared value, Y L Construction averages $55K per project (declared value on the permit filing, not contract value).
Which firms does Y L Construction work with most often?▾
Y L Construction most frequently appears on the same San Francisco permit filings as William Liang, William Liang. Appearing together indicates association on shared filings, not a proven working relationship.
Is Y L Construction a general contractor?▾
Y L Construction is listed as a general contractor on its San Francisco permit filings. Roles on this profile are derived from the role each firm holds on public DOB filings.
Public aggregate — full project records are part of the paid leads product. Updated daily from SF DBI filings.
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