Flack + Lirtz
Engineering firm · San Francisco permit activity
Engineering firm active in San Francisco construction, tracked from public building-permit filings.
#716
by SF filing activity
among SF architects & engineers, last 90 days
3
projects tracked
Jan 2025 to Jun 2026
1/16
active weeks
weeks with a filing (last 16)
Every Flack + Lirtz project: scopes, declared values, teams and filing history.
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$15.1M Financial District/South Beach renovation
Filed 1 month ago · 7 filings · Flack + Lirtz: engineer
Revision - adding push button at restroom ada stall partition door
GC named · 2 architects identified · 4 engineers identified
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$2.5M Financial District/South Beach renovation
Filed 10 months ago · 3 filings · Flack + Lirtz: engineer
8th floor. demolition existing fire alarm system on the 8th floor. related to floor remodel. add 29 speaker strobes, add 58 strobes, add 3…
GC named · Architect identified · Engineer identified
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$69K Financial District/South Beach tenant improvement
Filed Jul 2025 · 3 filings · Flack + Lirtz: engineer
3/f: relocate (17) pendent sprinklers on the 3rd floor. tenant improvement
GC named · Architect identified · Engineer identified
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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.
3 project records for Flack + Lirtz: addresses, values, project teams
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Most recent filing: Financial District/South Beach · Jun 26, 2026
1 active · 0 newly observed last 90 days
Filing activity · last 16 weeks
APR
MAY
JUN
JUL
1
active projects (last 90d)
0
newly observed (last 90d)
Jun 2026
peak month
Project mix · by use
Commercial100%
Geography · by neighborhood
Financial District/South Beach100%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Jullian P. Moritz | Engineering | 3 | |
| 2 | Mbh | Architecture | 1 | |
| 3 | Nabih Youssef | Engineering | 1 | |
| 4 | Nabih Youssef Associates | Engineering | 1 | |
| 5 | Som | Architecture | 1 | |
| 1 | Gci, Inc | General contractor | 1 | |
| 2 | Golden Gate Fire Protection Inc | General contractor | 1 | |
| 3 | Johnson Controls Inc. | General contractor | 1 | |
| 4 | Pioneer Fire Inc. | General contractor | 1 | |
| 5 | Redwood Electric Group Inc | 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 Flack + Lirtz filed?▾
PermitPipeline tracks 3 San Francisco building-permit projects for Flack + Lirtz (Jan 2025 to Jun 2026). 1 had filing activity in the last 90 days.
Does Flack + Lirtz work on commercial or residential projects?▾
Across its tracked San Francisco filings, 100% of Flack + Lirtz's projects are commercial and 0% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does Flack + Lirtz work?▾
100% of Flack + Lirtz's tracked San Francisco projects are in Financial District/South Beach.
What is a typical Flack + Lirtz project worth?▾
Across the 13 tracked projects with a declared value, Flack + Lirtz averages $1.4M per project (declared value on the permit filing, not contract value).
Which firms does Flack + Lirtz work with most often?▾
Flack + Lirtz most frequently appears on the same San Francisco permit filings as Jullian P. Moritz, Som, Skyline Construction. Appearing together indicates association on shared filings, not a proven working relationship.
Is Flack + Lirtz an engineering firm?▾
Flack + Lirtz 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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