Hao Engineering & Consulting is an architecture firm with 22 tracked San Francisco building-permit projects on record, with the latest filing in that record 50 days ago. Its filings (Jan 2025 to Jul 2026) are concentrated in West of Twin Peaks and Outer Mission, 100% residential. A typical project in the record declares $10K–$100K. If you work at Hao Engineering & Consulting, claim this page to add a description.
Filed 50 days ago
#346
by SF filing activity
among SF architects & engineers, 90 days to Aug 23, 2026
22
projects
from 54 filings
6/16
active weeks
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$342K Bernal Heights single-family renovation
Grade BActive 2 months ago · Hao Engineering & Consulting: architect
Excavate about 1 ft of soil 51.4 cubic yard of soil on the gr fl. add 2 bedroom, 2 full bath, 1 1/2 bath and new family room on gr fl…
GC named · Specialty contractor identified
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$36K West of Twin Peaks single-family renovation
Grade DActive 4 months ago · Hao Engineering & Consulting: architect
Construct a new deck with stairs in south side yard. not attaching to existing building
GC named · Design firm identified · Specialty contractor identified
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$168K Inner Richmond multifamily renovation
Active 6 months ago · Hao Engineering & Consulting: architect
Comply w/nov &, rebuild 3-flrs fire damaged bldg (unit 579 & 579a). unit 579: add new bathroom & family room @ 1/f, replace 2-fixture bath…
GC named · Design firm identified · Specialty contractor identified
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Neighborhood, filing date, scope and declared value are shown here. Exact addresses,
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22 project records for Hao Engineering & Consulting: addresses, values, project teams
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Typical project$10K–$100K$70K typical4.1× the SF median ($17K)Last filed50 days agoSunset/Parkside · Jul 28, 2026Last 90 days2 active1 newly filed
Filing activity · 16 weeks to Aug 23, 2026 · peak May 2026
MAY
JUN
JUL
AUG
Project mix · by use
Residential100%
Geography · by neighborhood
West of Twin Peaks34%
Outer Mission20%
Outer Richmond20%
Bernal Heights13%
Portola13%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Hao Engineering | Engineering | 1 | |
| 1 | F C Company | General contractor | 7 | |
| 2 | Gao Wu Construction Inc | General contractor | 4 | |
| 3 | Builderduty Inc | General contractor | 1 | |
| 4 | Building Construction Express | General contractor | 1 | |
| 5 | Liang General Construction Inc | 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 licenseCSLB Contractor #87110As filed on 2 permits
Repeat working relationships2 firmsFirms this one appears with on more than one project, out of 12 in total.
Permit speed48 days15 days longer than the SF median
based on 10 firm filings vs 4,334 SF filings
based on 10 firm filings vs 4,334 SF filings
Frequently asked questions
How many SF projects does Hao Engineering & Consulting appear on?▾
PermitPipeline tracks 22 San Francisco building-permit projects for Hao Engineering & Consulting (Jan 2025 to Jul 2026). 2 had filing activity in the last 90 days.
Does Hao Engineering & Consulting work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Hao Engineering & Consulting'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 Hao Engineering & Consulting work?▾
34% of Hao Engineering & Consulting's tracked San Francisco projects are in West of Twin Peaks.
What is a typical Hao Engineering & Consulting project worth?▾
The median declared value across the 22 San Francisco projects Hao Engineering & Consulting has on record that state one is $70K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Hao Engineering & Consulting?▾
Hao Engineering & Consulting most frequently appears on the same San Francisco permit filings as F C Company, Gao Wu Construction Inc, Builderduty Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is Hao Engineering & Consulting an architecture firm?▾
Hao Engineering & Consulting is listed as an architecture firm 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.
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