Lx Engineering
Engineering firm · San Francisco permit activity
Engineering firm active in San Francisco construction, tracked from public building-permit filings.
#310
by SF filing activity
among SF architects & engineers, last 90 days
11
projects tracked
Apr 2025 to Jul 2026
2/16
active weeks
weeks with a filing (last 16)
2 of the 11 Lx Engineering projects filed new permits in the last 30 days.
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$90K South of Market renovation
Filed 19 days ago · 2 filings · Lx Engineering: engineer
Revision to: relocate toilet room from 1st floor to 2nd floor and add bathtub. lengthen kitchenette. no change in quantity of light fixtures
GC named · 2 architects identified · Engineer identified
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$33K Nob Hill renovation
Filed 8 days ago · Lx Engineering: engineer
Enlarge (e) room with room with (n) electrical equipment per utility company's requierement. relocate (e) laundry room. no change of use…
No GC named · 3 architects identified · 2 engineers identified
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$295K Mission renovation
Filed 4 months ago · Lx Engineering: engineer
Interior renovation to add 3 new adu units per state program to replace garage at ground floor. new bicycle parking, new gas and electrical…
No GC named · Architect identified
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8 more
Lx Engineering 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.
11 project records for Lx Engineering: addresses, values, project teams
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Middle 50% of declared values: $9K–$57K (median $17K)
Most recent filing: Nob Hill · Jul 28, 2026
2 active · 1 newly observed last 90 days
Filing activity · last 16 weeks
APR
MAY
JUN
JUL
2
active projects (last 90d)
1
newly observed (last 90d)
Jul 2026
peak month
Project mix · by use
Commercial10%
Residential90%
Geography · by neighborhood
Castro/Upper Market20%
Excelsior20%
Glen Park20%
Hayes Valley20%
Inner Sunset20%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Wing Lee Architects | Architecture | 5 | |
| 2 | Mk Engineers Inc | Architecture | 1 | |
| 3 | Nie Yang Architects | Architecture | 1 | |
| 4 | Studio Nea | Architecture | 1 | |
| 5 | Gelfand Partners Architects | Architecture | 1 | |
| 1 | Fgv Construction Co | General contractor | 2 | |
| 2 | Terence Mcmahon Construction | General contractor | 1 | |
| 3 | A L V Construction Inc | General contractor | 1 | |
| 4 | A M Rocca Inc. | General contractor | 1 | |
| 5 | D.F.P.F Corp Dba Fine Line Construction | General contractor | 1 |
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 Lx Engineering filed?▾
PermitPipeline tracks 11 San Francisco building-permit projects for Lx Engineering (Apr 2025 to Jul 2026). 2 had filing activity in the last 90 days.
Does Lx Engineering work on commercial or residential projects?▾
Across its tracked San Francisco filings, 10% of Lx Engineering's projects are commercial and 90% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Lx Engineering work?▾
9% of Lx Engineering's tracked San Francisco projects are in Castro/Upper Market.
What is a typical Lx Engineering project worth?▾
Across the 13 tracked projects with a declared value, Lx Engineering averages $43K per project (declared value on the permit filing, not contract value).
Which firms does Lx Engineering work with most often?▾
Lx Engineering most frequently appears on the same San Francisco permit filings as Wing Lee Architects, Fgv Construction Co, Terence Mcmahon Construction. Appearing together indicates association on shared filings, not a proven working relationship.
Is Lx Engineering an engineering firm?▾
Lx Engineering is listed as an engineering firm 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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