Excalibur Water Heaters Inc is a plumbing contractor with 12 tracked San Francisco building-permit projects on record, with the latest filing in that record 41 days ago. Its filings (Feb 2025 to May 2026) are concentrated in Lone Mountain/USF and Mission, 100% residential. A typical project in the record declares $10K–$24K. If you work at Excalibur Water Heaters Inc, claim this page to add a description.
Filed 41 days ago
#590
by SF filing activity
among SF specialty contractors, 90 days to Aug 23, 2026
12
projects
from 51 filings
5/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$28K Mission multifamily renovation
Grade DActive 5 months ago · Excalibur Water Heaters: specialty contractor
Work category: 1m; replace wall furnaces with mitsubishi heat pump
GC named · 3 specialty contractors identified
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$24K Noe Valley multifamily renovation
Active 7 months ago · Excalibur Water Heaters: specialty contractor
Solar permit: installing 12 solar pv modules, 440 watts per module, total no. of rating 5.28 kw. mounted: roof, ballasted: n | 5.28 kw pv…
GC named · 2 specialty contractors identified
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Mission multifamily renovation
Grade DActive 4 months ago · Excalibur Water Heaters: specialty contractor
Less than 50% repair on (e) exterior stairs. replace handrail in kind. not street visible. grounf floor and common area
GC named · 2 specialty contractors identified
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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.
12 project records for Excalibur Water Heaters Inc: addresses, values, project teams
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Typical project$10K–$24K$15K typical88% of the SF median ($17K)Last filed41 days agoLone Mountain/USF · Aug 6, 2026Last 90 days2 active0 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak May 2026
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Lone Mountain/USF29%
Mission29%
Bernal Heights14%
Inner Richmond14%
Lincoln Park14%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Altos Engineering | Architecture | 1 | |
| 2 | Anura Design | Architecture | 1 | |
| 1 | W E B Electric | Electrical contractor | 6 | |
| 2 | Apollo Building & Roofing Group Inc. | General contractor | 1 | |
| 3 | Aura Building Company LLC | General contractor | 1 | |
| 4 | Foxtail Hill Windows & Doors Inc | General contractor | 1 | |
| 5 | Gadi Construction 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 relationships1 firmFirms this one appears with on more than one project, out of 15 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Excalibur Water Heaters Inc appear on?▾
PermitPipeline tracks 12 San Francisco building-permit projects for Excalibur Water Heaters Inc (Feb 2025 to May 2026). 2 had filing activity in the last 90 days.
Does Excalibur Water Heaters Inc work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Excalibur Water Heaters 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 Excalibur Water Heaters Inc work?▾
29% of Excalibur Water Heaters Inc's tracked San Francisco projects are in Lone Mountain/USF.
What is a typical Excalibur Water Heaters Inc project worth?▾
The median declared value across the 12 San Francisco projects Excalibur Water Heaters 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 Excalibur Water Heaters Inc?▾
Excalibur Water Heaters Inc most frequently appears on the same San Francisco permit filings as W E B Electric, Altos Engineering, Anura Design. Appearing together indicates association on shared filings, not a proven working relationship.
Is Excalibur Water Heaters Inc a plumbing contractor?▾
Excalibur Water Heaters 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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