Hl81 Construction Inc
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#845
by SF filing activity
among SF general contractors, last 90 days
8
projects tracked
Apr 2025 to Jul 2026
1/16
active weeks
weeks with a filing (last 16)
1 of the 8 Hl81 Construction projects filed new permits in the last 30 days.
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$134K Mission renovation
Filed 6 months ago · Hl81 Construction: GC
Legalization of 2 units: 320 & 324, through the adu program (sfpc 207.1)
GC named · Architect identified · Engineer identified
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$6K Mission renovation
Filed 4 months ago · 2 filings · Hl81 Construction: GC
Revision to to add new detail for steel column to be supported by existing footing add special inspection item. bolts installed in existing…
GC named · Architect identified · Engineer identified
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$68K Hayes Valley renovation
Filed 7 months ago · 2 filings · Hl81 Construction: GC
At kitchen only: revision to. install 2 milguard windows (v400 tuscany), not visible from street. install 1 exterior rated door. raplace…
GC named · Engineer identified
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5 more
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Scopes, values, teams and filing history for every one
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Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
owner and contact details and full filing histories are part of the paid product.
8 project records for Hl81 Construction: addresses, values, project teams
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Middle 50% of declared values: $6K–$68K (median $16K)
Most recent filing: Mission · Jul 29, 2026
1 active · 1 newly observed last 90 days
Filing activity · last 16 weeks
APR
MAY
JUN
JUL
1
active projects (last 90d)
1
newly observed (last 90d)
Jul 2026
peak month
Project mix · by use
Commercial25%
Residential75%
Geography · by neighborhood
Mission50%
Hayes Valley25%
Glen Park13%
Sunset/Parkside12%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Hom Pisano | Engineering | 1 | |
| 2 | Open Scope Studio | Architecture | 1 | |
| 3 | Troy Kashanipour | Architecture | 1 | |
| 4 | Della Inc | 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 Hl81 Construction Inc filed?▾
PermitPipeline tracks 8 San Francisco building-permit projects for Hl81 Construction Inc (Apr 2025 to Jul 2026). 1 had filing activity in the last 90 days.
Does Hl81 Construction Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 25% of Hl81 Construction Inc's projects are commercial and 75% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Hl81 Construction Inc work?▾
50% of Hl81 Construction Inc's tracked San Francisco projects are in Mission.
What is a typical Hl81 Construction Inc project worth?▾
Across the 10 tracked projects with a declared value, Hl81 Construction Inc averages $30K per project (declared value on the permit filing, not contract value).
Which firms does Hl81 Construction Inc work with most often?▾
Hl81 Construction Inc most frequently appears on the same San Francisco permit filings as Zfa Structural Engineers, Troy Kashanipour, Open Scope Studio. Appearing together indicates association on shared filings, not a proven working relationship.
Is Hl81 Construction Inc a general contractor?▾
Hl81 Construction Inc 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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