905 Commercial Ave, South San Francisco, CA 94080
LMJ HVAC is a plumbing contractor with 6 tracked San Francisco building-permit projects on record, with the latest filing in that record 43 days ago. Its filings (May 2025 to Jun 2026) are concentrated in Bernal Heights and Castro/Upper Market, 100% residential. A typical project in the record declares $1–$88K. If you work at LMJ HVAC, claim this page to add a description.
Filed 43 days ago
#722
by SF filing activity
among SF specialty contractors, 90 days to Aug 23, 2026
6
projects
from 28 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
$50K Castro/Upper Market multifamily renovation
Grade BActive 2 months ago · LMJ HVAC: specialty contractor
Work category: 1m; install ductless mini split in apartment
GC named · 2 specialty contractors identified
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$110K Outer Richmond single-family renovation
Last active May 2025 · LMJ HVAC: specialty contractor
Work category: 1m; add ducting for addition to existing furnace
No GC named · Architect identified · 2 specialty contractors identified
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Lone Mountain/USF single-family renovation
Last active May 2025 · LMJ HVAC: specialty contractor
Work category: 1p; extending houseline gas plumbing to facilitate meter move
GC named · Engineer identified · 2 specialty contractors identified
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3 more
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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 names and mailing addresses, and full filing histories are part of the paid product.
6 project records for LMJ HVAC: addresses, values, project teams
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Typical project$1–$88K$50K typical2.9× the SF median ($17K)Last filed43 days agoCastro/Upper Market · Aug 5, 2026Last 90 days2 active1 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak Jul 2026
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Bernal Heights20%
Castro/Upper Market20%
Lone Mountain/USF20%
Marina20%
Oceanview/Merced/Ingleside20%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Pacific Engineering | Engineering | 1 | |
| 2 | Troy Kashanipour | Architecture | 1 | |
| 3 | Upright Engineering | Engineering | 1 | |
| 1 | E. Arias & Co | General contractor | 1 | |
| 2 | Jfieco | General contractor | 1 | |
| 3 | Pacific Engineering & Construction Inc. | General contractor | 1 | |
| 4 | Sigma Construction Company | General contractor | 1 | |
| 5 | Double G Plumbing | Plumbing 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 relationships0 firmsFirms this one appears with on more than one project, out of 14 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does LMJ HVAC appear on?▾
PermitPipeline tracks 6 San Francisco building-permit projects for LMJ HVAC (May 2025 to Jun 2026). 2 had filing activity in the last 90 days.
Does LMJ HVAC work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of LMJ HVAC'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 LMJ HVAC work?▾
20% of LMJ HVAC's tracked San Francisco projects are in Bernal Heights.
What is a typical LMJ HVAC project worth?▾
The median declared value across the 6 San Francisco projects LMJ HVAC has on record that state one is $50K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as LMJ HVAC?▾
LMJ HVAC most frequently appears on the same San Francisco permit filings as E. Arias & Co, Jfieco, Pacific Engineering. Appearing together indicates association on shared filings, not a proven working relationship.
Is LMJ HVAC a plumbing contractor?▾
LMJ HVAC 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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