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Erwin J O'toole is an engineering firm with 5 tracked San Francisco building-permit projects on record, most recently 101 days ago. No description has been added yet — if you work here, claim this page to add one.
Filed 101 days ago
#553
by SF filing activity
among SF architects & engineers, 90 days to Aug 16, 2026
5
projects
from 9 filings
1/16
active week
weeks with a filing (16 weeks to Aug 16, 2026)
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Portfolio · $399/yearFree during launch
Work at Erwin J O'toole?
Claim your firm and publish up to three projects with photographs. Claiming also gives you your logo, a short introduction and your own contact details.
Permit-backed projects · PermitPipeline’s independent record
$20K Mission renovation
Grade DFiled 3 months ago · Erwin J O'toole: engineer
Install a retractable shade structure with fire-retardant fabric including all required mounting hardware and attachements in the second…
GC named · Design firm identified · Specialty contractor identified
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Castro/Upper Market single-family renovation
Grade DFiled 6 months ago · 4 filings · Erwin J O'toole: engineer
Revision to: add skylight in/above bathroom on 3rd floor, existing infill window in bathroom, infill dormer outside of window in bathroom…
GC named · Specialty contractor identified
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$500K Nob Hill multifamily renovation
Filed Mar 2025 · Erwin J O'toole: engineer
Install temporary underpinning at locations shown on sh2.0 to allow excavation for new development at 1101-1123 sutter street. reference…
GC named · Specialty contractor identified
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2 more
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5 project records for Erwin J O'toole: addresses, values, project teams
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Typical project$23K–$57K$30K typicalLast filed101 days agoMission · Jul 1, 2026Last 90 days1 active1 newly filed
Filing activity · 16 weeks to Aug 16, 2026 · peak Jun 2026
APR
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
Castro/Upper Market20%
Mission20%
Mission Bay20%
Nob Hill20%
Outer Richmond20%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Erwin J Otoole Pe | Architecture | 1 | |
| 1 | Homeowner's Permit | General contractor | 1 | |
| 2 | Jlq Construction Inc | General contractor | 1 | |
| 3 | Neeve Engineering Inc | General contractor | 1 | |
| 4 | Planart Construction Corp | 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 licenceNot connectedArchitects are licensed by the California Architects Board and engineers by BPELSG. Neither register is part of the San Francisco permit record, and we do not yet read them.
Standing in its cohort#553San Francisco architects and engineers, by filing activity, 90 days to Aug 16, 2026
Declared value on file9 of 9 filingsEvery filing carries a stated value.
Repeat working relationships0 firmsFirms this one appears with on more than one project, out of 5 in total.
Frequently asked questions
How many SF projects has Erwin J O'toole filed?▾
PermitPipeline tracks 5 San Francisco building-permit projects for Erwin J O'toole (Mar 2025 to Jul 2026). 1 had filing activity in the last 90 days.
Does Erwin J O'toole work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Erwin J O'toole'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 Erwin J O'toole work?▾
20% of Erwin J O'toole's tracked San Francisco projects are in Castro/Upper Market.
What is a typical Erwin J O'toole project worth?▾
Across the 9 filings that state a declared value, Erwin J O'toole averages $70K per filing (declared value on the permit filing, not contract value).
Which firms does Erwin J O'toole work with most often?▾
Erwin J O'toole most frequently appears on the same San Francisco permit filings as Erwin J Otoole Pe, Homeowner's Permit, Jlq Construction Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is Erwin J O'toole an engineering firm?▾
Erwin J O'toole 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. Ranking, filing activity, project mix and geography were last recomputed Aug 16, 2026. Project counts, declared values and filing dates are read live from SF DBI filings.
Why does this record start in March 2026?▾
The New York City record begins March 18, 2026. A first filing in that month means the firm was already working when the record opened, not that it started then.
Why does this record start in March 2026?▾
The New York City record begins March 18, 2026. A first filing in that month means the firm was already working when the record opened, not that it started then.
Sources
San Francisco Department of Building Inspection permit filings.
Verified
Read directly from SF DBI filings.
Photography
Photographs are supplied by the firm.
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