Arb Inc is a plumbing contractor with 25 tracked San Francisco building-permit projects on record, with the latest filing in that record 29 days ago. Its filings (Jan 2025 to Jul 2026) are concentrated in Lone Mountain/USF and Noe Valley, 100% residential. A typical project in the record declares $5K–$33K. If you work at Arb Inc, claim this page to add a description.
Filed 29 days ago
#40
by SF filing activity
among SF specialty contractors, 90 days to Aug 23, 2026
25
projects
from 69 filings
9/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$300K Lone Mountain/USF single-family renovation
Grade AActive 3 months ago · Arb: specialty contractor
Interior remodel w/ added roof deck set back 17'-10"from(e)facade.remodel includes a 2'-11" expansion on the 1st fl not extending…
No GC named · Architect identified · Engineer identified · 1 anticipated category not yet filed
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$612K Noe Valley multifamily renovation
Grade AActive 2 months ago · Arb: specialty contractor
Recommencement and completion of work approved under
GC named · 1 other firm identified · 1 anticipated category not yet filed
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$12K West of Twin Peaks single-family renovation
Grade DActive 4 months ago · Arb: specialty contractor
Replacing old panel and fuse disconnect with new upgraded 200a service and panel
GC named · 2 specialty contractors identified
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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 Arb Inc: addresses, values, project teams
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Typical project$5K–$33K$15K typical88% of the SF median ($17K)Last filed29 days agoSunset/Parkside · Aug 18, 2026Last 90 days10 active3 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak Jun 2026
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Lone Mountain/USF35%
Noe Valley25%
Sunset/Parkside20%
Visitacion Valley10%
West of Twin Peaks10%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Gregory Paul Wallace | Architecture | 1 | |
| 2 | Hom & Pisano Engineering Inc. | Engineering | 1 | |
| 3 | Larson Shores Arch. | Architecture | 1 | |
| 4 | Pacific Engineering | Engineering | 1 | |
| 5 | PCTC Engineering | Engineering | 1 | |
| 1 | Apollo Building & Roofing Group Inc. | General contractor | 2 | |
| 2 | Jemico LLC Dba Renewal By Andersen Of SF | General contractor | 2 | |
| 3 | Armstrong Installation Service | General contractor | 1 | |
| 4 | Bay Cities Roofing Co | General contractor | 1 | |
| 5 | City Mechanical Inc | General 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 licenseNot connectedTrade licenses are held by BPELSG. That register is not part of the San Francisco permit record, and we do not yet read it.
Repeat working relationships2 firmsFirms this one appears with on more than one project, out of 24 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Arb Inc appear on?▾
PermitPipeline tracks 25 San Francisco building-permit projects for Arb Inc (Jan 2025 to Jul 2026). 10 had filing activity in the last 90 days.
Does Arb Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Arb Inc'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 Arb Inc work?▾
35% of Arb Inc's tracked San Francisco projects are in Lone Mountain/USF.
What is a typical Arb Inc project worth?▾
The median declared value across the 25 San Francisco projects Arb Inc has on record that state one is $15K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Arb Inc?▾
Arb Inc most frequently appears on the same San Francisco permit filings as Apollo Building & Roofing Group Inc., Jemico LLC Dba Renewal By Andersen Of SF, Armstrong Installation Service. Appearing together indicates association on shared filings, not a proven working relationship.
Is Arb Inc a plumbing contractor?▾
Arb Inc is listed as a plumbing 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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