Blackline Construction
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#298
by SF filing activity
among SF general contractors, last 90 days
14
projects tracked
Jan 2025 to Jun 2026
3/16
active weeks
weeks with a filing (last 16)
Every Blackline Construction project: scopes, declared values, teams and filing history.
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$525K Mission renovation
Filed 2 months ago · 3 filings · Blackline Construction: GC
Revision to (e) bpa: to include 3 ceiling exhaust fans ar restroom and bike wash room, (e) heating system to remain. no change in floor…
GC named · Architect identified · 2 engineers identified
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$58K Mission renovation
Filed 1 month ago · 2 filings · Blackline Construction: GC
Amend: (e) heating to remain per revision
GC named · 1 other firm identified
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$180K Bernal Heights renovation
Filed Apr 2025 · Blackline Construction: GC
1/f: replace garage door, enclose lightwell, remodel (e) bathroom, family room/den, add mudroom & storage room. 2/f: enclose (e) lightwell…
GC named · Architect identified · Engineer identified
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11 more
Blackline Construction projects with project intelligence
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.
14 project records for Blackline Construction: addresses, values, project teams
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Middle 50% of declared values: $1–$150K (median $20K)
Most recent filing: Mission · Jun 11, 2026
3 active · 1 newly observed last 90 days
Filing activity · last 16 weeks
APR
MAY
JUN
JUL
3
active projects (last 90d)
1
newly observed (last 90d)
Jun 2026
peak month
Project mix · by use
Commercial29%
Residential71%
Geography · by neighborhood
Glen Park29%
Mission29%
Bernal Heights21%
Sunset/Parkside14%
Tenderloin7%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Consortium | Architecture | 2 | |
| 2 | Semco | Engineering | 1 | |
| 3 | Zfa Structural Engineers | Architecture | 1 | |
| 4 | Acg Engineers Inc | Engineering | 1 | |
| 1 | Westco Roofing Co. Inc. | General contractor | 1 |
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 Blackline Construction filed?▾
PermitPipeline tracks 14 San Francisco building-permit projects for Blackline Construction (Jan 2025 to Jun 2026). 3 had filing activity in the last 90 days.
Does Blackline Construction work on commercial or residential projects?▾
Across its tracked San Francisco filings, 29% of Blackline Construction's projects are commercial and 71% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Blackline Construction work?▾
29% of Blackline Construction's tracked San Francisco projects are in Glen Park.
What is a typical Blackline Construction project worth?▾
Across the 18 tracked projects with a declared value, Blackline Construction averages $67K per project (declared value on the permit filing, not contract value).
Which firms does Blackline Construction work with most often?▾
Blackline Construction most frequently appears on the same San Francisco permit filings as Consortium, Zfa Structural Engineers, Westco Roofing Co. Inc.. Appearing together indicates association on shared filings, not a proven working relationship.
Is Blackline Construction a general contractor?▾
Blackline 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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