hollonplumbing.comPO Box 15716, San Francisco, CA 94115
Hollon Plumbing Inc is a plumbing contractor with 21 tracked San Francisco building-permit projects on record, with the latest filing in that record 65 days ago. Its filings (Feb 2025 to Jul 2026) are concentrated in Twin Peaks and Bernal Heights, 93% residential. A typical project in the record declares $7K–$139K. If you work at Hollon Plumbing Inc, claim this page to add a description.
Filed 65 days ago
#265
by SF filing activity
among SF specialty contractors, 90 days to Oct 4, 2026
21
projects
from 75 filings
7/16
active weeks
weeks with a filing (16 weeks to Oct 4, 2026)
Portfolio · $399/yearFree during launch
Work at Hollon Plumbing Inc?
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
$390K Noe Valley single-family renovation
Active 4 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 · 2 engineers identified · 2 specialty contractors identified
View project details →
$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
View project details →
$4K Inner Richmond renovation
Active 3 months ago · 3 filings · Hollon Plumbing: specialty contractor
Work category: 1p; inspection for existing water heaters installed
No GC named · Specialty contractor identified
View project details →
18 more
Hollon Plumbing 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.
21 project records for Hollon Plumbing Inc: addresses, values, project teams
Start 14-day free trial
Typical project$7K–$139K$60K typical3.5× the SF median ($17K)Last filed65 days agoNoe Valley · Aug 3, 2026Last 90 days4 active0 newly filed
Filing activity · 16 weeks to Oct 4, 2026 · peak Jul 2026
JUN
JUL
AUG
SEP
Project mix · by use
Commercial7%
Residential93%
Geography · by neighborhood
Twin Peaks33%
Bernal Heights17%
Inner Richmond17%
Marina17%
Outer Richmond16%
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 | GBI Construction LLC | General contractor | 3 | |
| 2 | Lazo & Devost Inc | General contractor | 3 | |
| 3 | Schmitt Heating Co Inc | General contractor | 3 | |
| 4 | Jr Electric And Service | Electrical contractor | 3 | |
| 5 | Eco Electric Inc | Electrical contractor | 3 |
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 Hollon Plumbing Inc 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 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 relationships9 firmsFirms this one appears with on more than one project, out of 36 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 21 San Francisco building-permit projects for Hollon Plumbing Inc (Feb 2025 to Jul 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, 7% of Hollon Plumbing Inc's projects are commercial and 93% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Hollon Plumbing Inc work?▾
33% 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 17 San Francisco projects Hollon Plumbing Inc has on record that state one is $60K (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 GBI Construction LLC, Lazo & Devost Inc, Schmitt Heating Co Inc. 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 Oct 4, 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