Hathaway Dinwiddie Co. is a general contractor with 64 tracked San Francisco building-permit projects on record, with the latest filing in that record 30 days ago. Its filings (Jan 2025 to Aug 2026) are concentrated in Financial District/South Beach and Mission Bay, 100% commercial. A typical project in the record declares $15K–$2.2M. If you work at Hathaway Dinwiddie Co., claim this page to add a description.
Filed 30 days ago
#31
by SF filing activity
among SF general contractors, 90 days to Aug 23, 2026
64
projects
from 139 filings
12/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
Portfolio · $399/yearFree during launch
Work at Hathaway Dinwiddie Co.?
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
$950K Financial District/South Beach tenant improvement
Grade DActive 4 months ago · 2 filings · Hathaway Dinwiddie: GC
Deferred mep for office tenant improvement. spec suites 250 and 270
GC named · 2 architects identified · 3 engineers identified
View project details →
$15.9M Mission Bay commercial renovation
Grade AActive 5 months ago · Hathaway Dinwiddie: GC
6th fl: interior improvement for sierra in the wharfside of the building. approx 69,918 sqft
GC named · 2 architects identified · 3 engineers identified
View project details →
$2.4M Mission Bay tenant improvement
Grade AActive 2 months ago · Hathaway Dinwiddie: GC
Tenant improvement for sierra located on levels 1, 5 & 6. selective demolition of portion of (e) floor slabs at levels 5 & 6 to create 3…
GC named · Architect identified · 2 engineers identified
View project details →
61 more
Hathaway Dinwiddie projects with project intelligence
Scopes, values, teams and filing history for every one
Start your 14-day trial →
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.
64 project records for Hathaway Dinwiddie Co.: addresses, values, project teams
Start 14-day free trial
Typical project$15K–$2.2M$275K typical16× the SF median ($17K)Last filed30 days agoTenderloin · Aug 17, 2026Last 90 days14 active7 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak Jul 2026
MAY
JUN
JUL
AUG
Project mix · by use
Commercial100%
Geography · by neighborhood
Financial District/South Beach50%
Mission Bay30%
Chinatown12%
Potrero Hill6%
Tenderloin2%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Revel Architecture | Architecture | 10 | |
| 2 | United Mechanical Inc. | Architecture | 8 | |
| 3 | Perkins&Will | Architecture | 6 | |
| 4 | Asd/sky | Architecture | 5 | |
| 5 | A G E Consulting | Engineering | 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 | General contractor | 4 | |
| 5 | Eco Fire Sprinklers Inc | General contractor | 3 |
Create a free account to see every firm on these projects and how many projects each one shares.
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.
Get an email when Hathaway Dinwiddie Co. files a new project. Monitor up to 10 firms free.
Create your free account
Already have an account? Log in
Need full project records — addresses, values, parties? Start 14-day free trial
State licenseCSLB Contractor #729664As filed on 16 permits
Repeat working relationships31 firmsFirms this one appears with on more than one project, out of 55 in total.
Permit speed20 days3 days shorter than the SF median
based on 14 firm filings vs 5,268 SF filings
based on 14 firm filings vs 5,268 SF filings
Frequently asked questions
How many SF projects does Hathaway Dinwiddie Co. appear on?▾
PermitPipeline tracks 64 San Francisco building-permit projects for Hathaway Dinwiddie Co. (Jan 2025 to Aug 2026). 14 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?▾
50% of Hathaway Dinwiddie Co.'s tracked San Francisco projects are in Financial District/South Beach.
What is a typical Hathaway Dinwiddie Co. project worth?▾
The median declared value across the 64 San Francisco projects Hathaway Dinwiddie Co. has on record that state one is $275K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Hathaway Dinwiddie Co.?▾
Hathaway Dinwiddie Co. most frequently appears on the same San Francisco permit filings as Revel Architecture, United Mechanical Inc., Siemans Building Technology. 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 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.
Firm directories by market