(650) 755-3110180 School St, Daly City, CA 94014
Tromborg Royal Plumbing & Heating is a general contractor with 9 tracked San Francisco building-permit projects on record, with the latest filing in that record 339 days ago. Its filings (Jan 2025 to Oct 2025) are concentrated in Bayview Hunters Point and Excelsior, 100% residential. A typical project in the record declares $7K–$10K. If you work at Tromborg Royal Plumbing & Heating, claim this page to add a description.
Filed 339 days ago
#1,593
by SF filing activity
among SF general contractors, 90 days to Aug 23, 2026
9
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
$4K Bayview Hunters Point single-family renovation
Active 11 months ago · Tromborg Royal Plumbing & Heating: GC
To comply with. return as-built crawl space back to 5' ceiling height. new 4" slab on grade back on grade dowel into exiting retaining…
GC named · Architect identified · Engineer identified
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$10K Bayview Hunters Point single-family renovation
Last active Jun 2025 · Tromborg Royal Plumbing & Heating: GC
Open sheet rock to replace or repair ductwork. patch sheet rock small patches 16"x16" to match existing fire block all penatrations…
GC named
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$10K Excelsior single-family renovation
Last active Jun 2025 · Tromborg Royal Plumbing & Heating: GC
Change out furnace (same kind), same location, open sheet rock to replace or repair ductwork. repair sheet rock small patches 16x16. fire…
GC named
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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.
9 project records for Tromborg Royal Plumbing & Heating: addresses, values, project teams
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Typical project$7K–$10K$10K typicalLast filed339 days agoBayview Hunters Point · Oct 14, 2025Last 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
Bayview Hunters Point34%
Excelsior22%
Oceanview/Merced/Ingleside22%
Portola11%
Visitacion Valley11%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Erwin J Otoole PE | Architecture | 1 | |
| 1 | Rahimi Construction | 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 connectedContractor registration is held by BPELSG. That register is not part of the San Francisco permit record, and we do not yet read it.
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 Tromborg Royal Plumbing & Heating appear on?▾
PermitPipeline tracks 9 San Francisco building-permit projects for Tromborg Royal Plumbing & Heating (Jan 2025 to Oct 2025). 0 had filing activity in the last 90 days.
Does Tromborg Royal Plumbing & Heating work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Tromborg Royal Plumbing & Heating'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 Tromborg Royal Plumbing & Heating work?▾
34% of Tromborg Royal Plumbing & Heating's tracked San Francisco projects are in Bayview Hunters Point.
What is a typical Tromborg Royal Plumbing & Heating project worth?▾
The median declared value across the 9 San Francisco projects Tromborg Royal Plumbing & Heating has on record that state one is $10K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Tromborg Royal Plumbing & Heating?▾
Tromborg Royal Plumbing & Heating most frequently appears on the same San Francisco permit filings as Erwin J Otoole PE, Rahimi Construction. Appearing together indicates association on shared filings, not a proven working relationship.
Is Tromborg Royal Plumbing & Heating a general contractor?▾
Tromborg Royal Plumbing & Heating 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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