hollonplumbing.comPO Box 15716, San Francisco, CA 94115
Hollon Plumbing Inc is a plumbing contractor with 11 tracked San Francisco building-permit projects on record, with the latest filing in that record 45 days ago. Its filings (Feb 2025 to May 2026) are concentrated in Twin Peaks and Bernal Heights, 91% residential. A typical project in the record declares $32K–$240K. If you work at Hollon Plumbing Inc, claim this page to add a description.
Filed 45 days ago
#266
by SF filing activity
among SF specialty contractors, 90 days to Aug 23, 2026
11
projects
from 49 filings
6/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$390K Noe Valley single-family renovation
Active 3 months ago · 2 filings · Hollon Plumbing: specialty contractor
Work category: 2pb; 1st floor, water heater, laundry, bath 1, backyard catch basin 2nd floor, deck and lightwell drains, kitchen, bath 2
GC named · Architect identified · Engineer identified · 2 specialty contractors identified
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$1.0M Bernal Heights single-family renovation
Last active Aug 2025 · 2 filings · Hollon Plumbing: specialty contractor
Work category: 1p; waterproofing of two shower pans
GC named · Architect identified · Engineer identified · 4 specialty contractors identified
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Marina commercial renovation
Grade BActive 3 months ago · 2 filings · Hollon Plumbing: specialty contractor
Main electrical panel upgrade to 400amp (underground)
GC named · Design firm identified · Engineer identified · 3 specialty contractors identified
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8 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.
11 project records for Hollon Plumbing Inc: addresses, values, project teams
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Typical project$32K–$240K$100K typical5.9× the SF median ($17K)Last filed45 days agoNoe Valley · Aug 3, 2026Last 90 days4 active0 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak Jul 2026
MAY
JUN
JUL
AUG
Project mix · by use
Commercial9%
Residential91%
Geography · by neighborhood
Twin Peaks43%
Bernal Heights15%
Hayes Valley14%
Inner Richmond14%
Marina14%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Base Design | Architecture | 2 | |
| 2 | A. Urrutia | Architecture | 1 | |
| 3 | Atrium Structural Engineering | Architecture | 1 | |
| 4 | Della Inc | Engineering | 1 | |
| 5 | Jorge Carbonell Architecture | Architecture | 1 | |
| 1 | Lazo & Devost Inc | General contractor | 3 | |
| 2 | Jr Electric And Service | Electrical contractor | 3 | |
| 3 | GBI Construction LLC | General contractor | 2 | |
| 4 | Eco Electric Inc | Electrical contractor | 2 | |
| 5 | Cardea Bldg Dba Dimension Design Group | 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 relationships5 firmsFirms this one appears with on more than one project, out of 30 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Hollon Plumbing Inc appear on?▾
PermitPipeline tracks 11 San Francisco building-permit projects for Hollon Plumbing Inc (Feb 2025 to May 2026). 4 had filing activity in the last 90 days.
Does Hollon Plumbing Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 9% of Hollon Plumbing Inc's projects are commercial and 91% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Hollon Plumbing Inc work?▾
43% of Hollon Plumbing Inc's tracked San Francisco projects are in Twin Peaks.
What is a typical Hollon Plumbing Inc project worth?▾
The median declared value across the 11 San Francisco projects Hollon Plumbing Inc has on record that state one is $100K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Hollon Plumbing Inc?▾
Hollon Plumbing Inc most frequently appears on the same San Francisco permit filings as Lazo & Devost Inc, Jr Electric And Service, Base Design. Appearing together indicates association on shared filings, not a proven working relationship.
Is Hollon Plumbing Inc a plumbing contractor?▾
Hollon Plumbing 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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