Hathaway Dinwiddie Co.
General contractor · San Francisco permit activity
General contractor active in San Francisco construction, tracked from public building-permit filings.
#34
by NYC filing activity
among NYC general contractors, last 90 days
61
project records
Jan 2025 to Jul 2026
11/16
active weeks
weeks with a filing (last 16)
61 projects
Scopes, declared values and this firm's role on each one
See 61 projects involving Hathaway Dinwiddie
Recent projects involving this firm
Financial District/South Beach
22nd floor: restroom upgrade consisting of demo and construction of selective fixtures,…
$2.3M
Financial District/South Beach
Install evacuation maps. (level 6,7, & 8)
$2K
Financial District/South Beach
Revision to phone booths under ref#: 202505287418. floors 25. is area of work focus pod addition
$25K
Neighbourhood, filing date, scope and declared value are shown here. Exact addresses, full filing histories and project teams are part of the paid product.
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61 project records for Hathaway Dinwiddie: addresses, values, project teams
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Middle 50% of declared values: $22K–$2.2M (median $292K)
Most recent filing: Financial District/South Beach · Jul 29, 2026
11 active · 4 newly observed last 90 days
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Filing activity · last 16 weeks
APR
MAY
JUN
JUL
11
active projects (last 90d)
4
newly observed (last 90d)
Apr 2026
peak month
Project mix · by use
Commercial100%
Geography · by borough
Financial District/South Beach47%
Mission Bay31%
Chinatown13%
Potrero Hill7%
Tenderloin2%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | United Mechanical Inc. | Architecture | 8 | |
| 2 | Perkins&Will | Architecture | 6 | |
| 3 | A G E Consulting | Engineering | 5 | |
| 4 | Asd Sky | Architecture | 5 | |
| 5 | Amit Wadhwa & Associates | Architecture | 5 | |
| 1 | Siemans Building Technology | General contractor | 7 | |
| 2 | R L H Fire Protection Inc | General contractor | 4 | |
| 3 | Rapid Fire Safety&Security Llc Dba Pafa | General contractor | 4 | |
| 4 | Golden Gate Fire Protection Inc | General contractor | 4 | |
| 5 | Novo Construction Inc | General contractor | 3 |
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 Hathaway Dinwiddie Co. filed?▾
PermitPipeline tracks 61 San Francisco building-permit projects for Hathaway Dinwiddie Co. (Jan 2025 to Jul 2026). 11 had filing activity in the last 90 days.
Does Hathaway Dinwiddie Co. work on commercial or residential projects?▾
Across its tracked San Francisco filings, 100% of Hathaway Dinwiddie Co.'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 Hathaway Dinwiddie Co. work?▾
48% of Hathaway Dinwiddie Co.'s tracked San Francisco projects are in Financial District/South Beach.
What is a typical Hathaway Dinwiddie Co. project worth?▾
Across the 127 tracked projects with a declared value, Hathaway Dinwiddie Co. averages $956K per project (declared value on the permit filing, not contract value).
Which firms does Hathaway Dinwiddie Co. work with most often?▾
Hathaway Dinwiddie Co. most frequently appears on the same San Francisco permit filings as United Mechanical Inc., Siemans Building Technology, Perkins&Will. Appearing together indicates association on shared filings, not a proven working relationship.
Is Hathaway Dinwiddie Co. a general contractor?▾
Hathaway Dinwiddie Co. is listed as a general contractor 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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