Excalibur Water Heaters Inc is a plumbing contractor with 68 tracked San Francisco building-permit projects on record, with the latest filing in that record 47 days ago. Its filings (Jan 2025 to Aug 2026) are concentrated in Mission and West of Twin Peaks, 100% residential. A typical project in the record declares $800–$10K. If you work at Excalibur Water Heaters Inc, claim this page to add a description.
Filed 47 days ago
#83
by SF filing activity
among SF specialty contractors, 90 days to Oct 4, 2026
68
projects
from 152 filings
8/16
active weeks
weeks with a filing (16 weeks to Oct 4, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$20K Twin Peaks single-family renovation
Grade DActive 3 months ago · Excalibur Water Heaters: specialty contractor
Building a new deck and replacing existing window with a sliding door
GC named · Architect identified · Engineer identified · Specialty contractor identified
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$25K Mission renovation
Active 2 months ago · 4 filings · Excalibur Water Heaters: specialty contractor
Replace existing 200-amp panel "a" with new. install new 100-amp, panel"d" at second floor hallway
No GC named · 2 specialty contractors identified
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$3K Marina renovation
Active 2 months ago · 2 filings · Excalibur Water Heaters: specialty contractor
Work category: 1p; new 50 gallon water heater
GC named · Specialty contractor 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.
68 project records for Excalibur Water Heaters Inc: addresses, values, project teams
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Typical project$800–$10K$2K typical12% of the SF median ($17K)Last filed47 days agoInner Sunset · Aug 21, 2026Last 90 days7 active4 newly filed
Filing activity · 16 weeks to Oct 4, 2026 · peak Jun 2026
JUN
JUL
AUG
SEP
Project mix · by use
Residential100%
Geography · by neighborhood
Mission29%
West of Twin Peaks26%
Bernal Heights16%
Sunset/Parkside16%
Lone Mountain/USF13%
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 | 35 | |
| 2 | Wells Electrical, Inc | General contractor | 2 | |
| 3 | American Standard Roofing Inc | General contractor | 1 | |
| 4 | Apollo Building & Roofing Group Inc. | General contractor | 1 | |
| 5 | Aura Building Company LLC | 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 relationships2 firmsFirms this one appears with on more than one project, out of 26 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 68 San Francisco building-permit projects for Excalibur Water Heaters Inc (Jan 2025 to Aug 2026). 7 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 Mission.
What is a typical Excalibur Water Heaters Inc project worth?▾
The median declared value across the 46 San Francisco projects Excalibur Water Heaters Inc has on record that state one is $2K (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, Wells Electrical, Inc, Altos Engineering. 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 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.
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