Diamond Ridge Roofing Systems is a general contractor with 25 tracked San Francisco building-permit projects on record, with the latest filing in that record 154 days ago. Its filings (Jan 2025 to Apr 2026) are concentrated in Sunset/Parkside and West of Twin Peaks, 100% residential. A typical project in the record declares $10K–$18K. If you work at Diamond Ridge Roofing Systems, claim this page to add a description.
Filed 154 days ago
#1,484
by SF filing activity
among SF general contractors, 90 days to Aug 23, 2026
25
projects
from 27 filings
0/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$40K South of Market multifamily renovation
Active 9 months ago · Diamond Ridge Roofing Systems: GC
Re-roofing (no hotworks)
GC named · Specialty contractor identified
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$9K Sunset/Parkside single-family renovation
Grade DActive 5 months ago · Diamond Ridge Roofing Systems: GC
Reroofing no hot work, full tear off to install new 1600 sqft of flat roof
GC named
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$18K Inner Richmond multifamily renovation
Active 7 months ago · Diamond Ridge Roofing Systems: GC
Reroofing - no hot work
GC named
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22 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 names and mailing addresses, and full filing histories are part of the paid product.
25 project records for Diamond Ridge Roofing Systems: addresses, values, project teams
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Typical project$10K–$18K$13K typical74% of the SF median ($17K)Last filed154 days agoSunset/Parkside · Apr 16, 2026Last 90 days0 active0 newly filed
Filing activity · 16 weeks to Aug 23, 2026
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Sunset/Parkside25%
West of Twin Peaks25%
Bayview Hunters Point19%
Mission19%
Castro/Upper Market12%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| None on shared filings. | ||||
| 1 | Ace Plumbing & Rooter | General contractor | 1 | |
| 2 | Bay Area Mechanical & Eng Inc | Plumbing contractor | 1 | |
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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.
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State licenseCSLB Contractor #1109532As filed on 1 permit
Repeat working relationships0 firmsFirms this one appears with on more than one project, out of 2 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Diamond Ridge Roofing Systems appear on?▾
PermitPipeline tracks 25 San Francisco building-permit projects for Diamond Ridge Roofing Systems (Jan 2025 to Apr 2026). 0 had filing activity in the last 90 days.
Does Diamond Ridge Roofing Systems work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Diamond Ridge Roofing Systems'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 Diamond Ridge Roofing Systems work?▾
25% of Diamond Ridge Roofing Systems's tracked San Francisco projects are in Sunset/Parkside.
What is a typical Diamond Ridge Roofing Systems project worth?▾
The median declared value across the 25 San Francisco projects Diamond Ridge Roofing Systems has on record that state one is $13K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Diamond Ridge Roofing Systems?▾
Diamond Ridge Roofing Systems most frequently appears on the same San Francisco permit filings as Ace Plumbing & Rooter, Bay Area Mechanical & Eng Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is Diamond Ridge Roofing Systems a general contractor?▾
Diamond Ridge Roofing Systems 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.
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