Blackline Construction is a general contractor with 15 tracked San Francisco building-permit projects on record, with the latest filing in that record 33 days ago. Its filings (Jan 2025 to Aug 2026) are concentrated in Glen Park and Mission, 71% residential. A typical project in the record declares $1–$150K. If you work at Blackline Construction, claim this page to add a description.
Filed 33 days ago
#379
by SF filing activity
among SF general contractors, 90 days to Aug 23, 2026
15
projects
from 34 filings
4/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
Portfolio · $399/yearFree during launch
Work at Blackline Construction?
Claim your firm and publish up to three projects with photographs. Claiming also gives you your logo, a short introduction and your own contact details.
Permit-backed projects · PermitPipeline’s independent record
$58K Mission commercial renovation
Active 3 months ago · 2 filings · Blackline Construction: GC
Amend: (e) heating to remain per revision
GC named · 1 other firm identified
View project details →
Mission commercial renovation
Grade DActive 4 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
View project details →
$180K Bernal Heights single-family renovation
Last active Apr 2025 · Blackline Construction: GC
Upgrade e 100 amp main panel to 200 amps. service panel upgrade
GC named · Architect identified · Engineer identified · Specialty contractor identified
View project details →
12 more
Blackline Construction projects with project intelligence
Scopes, values, teams and filing history for every one
Start your 14-day trial →
Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
owner names and mailing addresses, and full filing histories are part of the paid product.
15 project records for Blackline Construction: addresses, values, project teams
Start 14-day free trial
Typical project$1–$150K$20K typical1.2× the SF median ($17K)Last filed33 days agoGlen Park · Aug 14, 2026Last 90 days3 active2 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak Jun 2026
MAY
JUN
JUL
AUG
Project mix · by use
Commercial29%
Residential71%
Geography · by neighborhood
Glen Park33%
Mission27%
Bernal Heights20%
Sunset/Parkside13%
Tenderloin7%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Consortium | Architecture | 2 | |
| 2 | Acg Engineers Inc | Engineering | 1 | |
| 3 | Semco | Engineering | 1 | |
| 4 | Zfa Structural Engineers | Architecture | 1 | |
| 1 | Westco Roofing Co. Inc. | General contractor | 1 | |
| 2 | Golden Coast Plumbing And Rooter Inc | Plumbing contractor | 1 |
Create a free account to see every firm on these projects and how many projects each one shares.
Owner and developer names, and the projects behind each connection, are part of the Leads product.
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
Get an email when Blackline Construction files a new project. Monitor up to 10 firms free.
Create your free account
Already have an account? Log in
Need full project records — addresses, values, parties? Start 14-day free trial
State licenseCSLB Contractor #783873As filed on 10 permits
Repeat working relationships1 firmFirms this one appears with on more than one project, out of 6 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Blackline Construction appear on?▾
PermitPipeline tracks 15 San Francisco building-permit projects for Blackline Construction (Jan 2025 to Aug 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?▾
33% of Blackline Construction's tracked San Francisco projects are in Glen Park.
What is a typical Blackline Construction project worth?▾
The median declared value across the 15 San Francisco projects Blackline Construction has on record that state one is $20K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Blackline Construction?▾
Blackline Construction most frequently appears on the same San Francisco permit filings as Consortium, Acg Engineers Inc, Semco. 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 SF DBI filings.
Public aggregate — full project records are part of the paid leads product. Ranking, filing activity, project mix and geography were last recomputed Aug 23, 2026. Project counts, declared values and filing dates are read live from SF DBI filings.
How far back does this record go?▾
This page covers the recent permit record, not the firm’s full history. A firm’s earliest filing here means it was already working when our record opens, not that it started then.
Sources
San Francisco Department of Building Inspection permit filings.
Record source
Read directly from SF DBI filings.
Photography
None are shown until the firm supplies them.
Firm directories by market