Tromborg Royal Plumbing & Heating
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#1382
by SF filing activity
among SF general contractors, last 90 days
9
projects tracked
Jan 2025 to Oct 2025
0/16
active weeks
weeks with a filing (last 16)
Every Tromborg Royal Plumbing & Heating project: scopes, declared values, teams and filing history.
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$4K Bayview Hunters Point renovation
Filed 9 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 renovation
Filed 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 renovation
Filed 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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6 more
Tromborg Royal Plumbing & Heating projects with project intelligence
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 and contact details 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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Middle 50% of declared values: $7K–$10K (median $10K)
Most recent filing: Bayview Hunters Point · Oct 14, 2025
0 active · 0 newly observed last 90 days
Filing activity · last 16 weeks
APR
MAY
JUN
JUL
0
active projects (last 90d)
0
newly observed (last 90d)
—
peak month
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 | |
| None on shared filings. | ||||
Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
Frequently asked questions
How many SF projects has Tromborg Royal Plumbing & Heating filed?▾
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?▾
33% 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?▾
Across the 10 tracked projects with a declared value, Tromborg Royal Plumbing & Heating averages $7K per project (declared value on the permit filing, not contract value).
Which firms does Tromborg Royal Plumbing & Heating work with most often?▾
Tromborg Royal Plumbing & Heating most frequently appears on the same San Francisco permit filings as Erwin J Otoole Pe. 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 DOB filings.
Public aggregate — full project records are part of the paid leads product. Updated daily from SF DBI filings.
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