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Bill Lau is an engineering firm with 8 tracked San Francisco building-permit projects on record, with the latest filing in that record 124 days ago. Its filings (Feb 2025 to Apr 2026) are concentrated in Sunset/Parkside and West of Twin Peaks, 100% residential. A typical project in the record declares $170K–$250K. If you work at Bill Lau, claim this page to add a description.
Filed 124 days ago
#813
by SF filing activity
among SF architects & engineers, 90 days to Aug 23, 2026
8
projects
from 27 filings
1/16
active week
weeks with a filing (16 weeks to Aug 23, 2026)
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Permit-backed projects · PermitPipeline’s independent record
$450K Inner Sunset single-family renovation
Grade BActive 4 months ago · Bill Lau: engineer
New panel and subpanel. rewire entire house. 200 amp service
GC named · Engineer identified · Specialty contractor identified
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$470K West of Twin Peaks single-family renovation
Grade BActive 4 months ago · Bill Lau: engineer
Install new panel and subpanel (200amp). rewire entire house. 100 lights, 50 switches, 100 receptacles, 4 fans, 1 dishwasher, 1 disposal, 1…
GC named · Engineer identified · Specialty contractor identified
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$98K West of Twin Peaks single-family renovation
Last active Feb 2025 · Bill Lau: engineer
Work category: 1m; installing flue and one fireplace
GC named · 2 specialty contractors identified
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Scopes, values, teams and filing history for every one
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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.
8 project records for Bill Lau: addresses, values, project teams
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Typical project$170K–$250K$200K typical12× the SF median ($17K)Last filed124 days agoInner Sunset · May 15, 2026Last 90 days0 active0 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
Sunset/Parkside38%
West of Twin Peaks25%
Inner Sunset13%
Nob Hill12%
Pacific Heights12%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Hom & Pisano Engineering Inc. | Engineering | 2 | |
| 1 | He & Kuang Inc | General contractor | 2 | |
| 2 | S And L Remodeling And Design Inc | General contractor | 2 | |
| 3 | Brighter Legacy Builders Inc. | General contractor | 1 | |
| 4 | CBS Construction Inc. | General contractor | 1 | |
| 5 | L R T Construction | General contractor | 1 |
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Firms that appear on the same San Francisco permit filings. Association on shared filings, not a proven working relationship.
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State licenseCalifornia architect #C54300On 1 of this firm's filings. Architect licenses are held by individuals, not by firms.
Repeat working relationships3 firmsFirms this one appears with on more than one project, out of 8 in total.
Permit speed—Too few filings with a recorded issue date to publish a median.
Frequently asked questions
How many SF projects does Bill Lau appear on?▾
PermitPipeline tracks 8 San Francisco building-permit projects for Bill Lau (Feb 2025 to Apr 2026). 0 had filing activity in the last 90 days.
Does Bill Lau work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Bill Lau'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 Bill Lau work?▾
38% of Bill Lau's tracked San Francisco projects are in Sunset/Parkside.
What is a typical Bill Lau project worth?▾
The median declared value across the 8 San Francisco projects Bill Lau has on record that state one is $200K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Bill Lau?▾
Bill Lau most frequently appears on the same San Francisco permit filings as He & Kuang Inc, Hom & Pisano Engineering Inc., S And L Remodeling And Design Inc. Appearing together indicates association on shared filings, not a proven working relationship.
Is Bill Lau an engineering firm?▾
Bill Lau 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 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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