Yuflux Engineering is an architecture firm with 31 tracked San Francisco building-permit projects on record, with the latest filing in that record 24 days ago. Its filings (Feb 2025 to Oct 2026) are concentrated in Sunset/Parkside and West of Twin Peaks, 100% residential. A typical project in the record declares $4K–$157K. If you work at Yuflux Engineering, claim this page to add a description.
Filed 24 days ago
#141
by SF filing activity
among SF architects & engineers, 90 days to Nov 1, 2026
31
projects
from 62 filings
4/16
active weeks
weeks with a filing (16 weeks to Nov 1, 2026)
Portfolio · $399/yearFree during launch
Work at Yuflux Engineering?
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
$1.3M Marina multifamily renovation
Grade AActive 1 month ago · Yuflux Engineering: engineer
Vertical & horizontal addition to (e) two unit building. excavation & expansion of basement
GC named · Architect identified · 2 engineers identified · Specialty contractor identified · 1 anticipated category not yet filed
View project details →
$382K Inner Richmond single-family renovation
Grade BActive 1 month ago · Yuflux Engineering: engineer
Remodel existing office spaces into 1 single family dwelling at first and 2nd floor remodel space to kitchen, living, bedrooms and bathrooms
GC named · 2 architects identified · Design firm identified · Engineer identified · 2 anticipated categories not yet filed
View project details →
$280K Mission multifamily renovation
Active 8 months ago · Yuflux Engineering: architect
To renew pp20200625977 for final inspection
GC named · Design firm identified · 3 specialty contractors identified
View project details →
28 more
Yuflux Engineering 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.
31 project records for Yuflux Engineering: addresses, values, project teams
Start 14-day free trial
Typical project$4K–$157K$80K typical4.6× the SF median ($17K)Last filed24 days agoMission Bay · Oct 15, 2026Last 90 days4 active3 newly filed
Filing activity · 16 weeks to Nov 1, 2026 · peak Oct 2026
JUL
AUG
SEP
OCT
Project mix · by use
Residential100%
Geography · by neighborhood
Sunset/Parkside26%
West of Twin Peaks26%
Outer Richmond21%
Mission16%
Inner Richmond11%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Base Design | Architecture | 2 | |
| 2 | Architect SF | Architecture | 1 | |
| 3 | Bill Xie Guan | Architecture | 1 | |
| 4 | Double D Engineeering | Architecture | 1 | |
| 5 | Double -D Engineering | Engineering | 1 | |
| 1 | Ren Lei Construction Co | General contractor | 6 | |
| 2 | K Y J Construction Company | General contractor | 5 | |
| 3 | Sonoma Build Group Inc | General contractor | 2 | |
| 4 | The Toboni Group | General contractor | 2 | |
| 5 | Damar Construction And Remodeling Inc | General contractor | 1 |
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 Yuflux Engineering 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 licenseCalifornia architect #M34907On 1 of this firm's filings. Architect licenses are held by individuals, not by firms.
Repeat working relationships5 firmsFirms this one appears with on more than one project, out of 26 in total.
Permit speed12 days17 days shorter than the SF median
based on 16 firm filings vs 4,615 SF filings
based on 16 firm filings vs 4,615 SF filings
Frequently asked questions
How many SF projects does Yuflux Engineering appear on?▾
PermitPipeline tracks 31 San Francisco building-permit projects for Yuflux Engineering (Feb 2025 to Oct 2026). 4 had filing activity in the last 90 days.
Does Yuflux Engineering work on commercial or residential projects?▾
Across its tracked San Francisco filings, 0% of Yuflux Engineering'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 Yuflux Engineering work?▾
26% of Yuflux Engineering's tracked San Francisco projects are in Sunset/Parkside.
What is a typical Yuflux Engineering project worth?▾
The median declared value across the 31 San Francisco projects Yuflux Engineering has on record that state one is $80K (declared value on the permit filing, not contract value).
Which firms appear most often on the same filings as Yuflux Engineering?▾
Yuflux Engineering most frequently appears on the same San Francisco permit filings as Ren Lei Construction Co, K Y J Construction Company, Base Design. Appearing together indicates association on shared filings, not a proven working relationship.
Is Yuflux Engineering an architecture firm?▾
Yuflux Engineering 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 Nov 1, 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