K Y J Construction Company
General contractor · San Francisco permit activity
(415) 682-23952379 31st Ave, San Francisco, CA 94116
General contractor active in San Francisco construction, tracked from public building-permit filings.
#143
by SF filing activity
among SF general contractors, last 90 days
19
projects tracked
Apr 2025 to Jul 2026
7/16
active weeks
weeks with a filing (last 16)
2 of the 19 K Y J Construction Company projects filed new permits in the last 30 days.
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$110K West of Twin Peaks renovation
Filed 1 month ago · 2 filings · K Y J Construction Company: GC
Revision to bpa: - revised (n) kitchen location and revised door location from the garage to kitchen, add (n) sliding door at basement (e)…
GC named · Architect identified · Engineer identified
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$30K Outer Richmond renovation
Filed 5 months ago · K Y J Construction Company: GC
Unit 5414 - remodel kitchen; remodel bathroom and add 1 shower; add 1 bedroom; no structural work. work on top unit only
GC named · Engineer identified
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$5K Inner Richmond renovation
Filed 9 months ago · K Y J Construction Company: GC
To comply with. remove 3 columns and a beam installed under existing front baywindows w/o a permit on g/f
GC named · Architect identified · Engineer identified
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16 more
K Y J Construction Company projects with project intelligence
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 and contact details and full filing histories are part of the paid product.
19 project records for K Y J Construction Company: addresses, values, project teams
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Middle 50% of declared values: $11K–$90K (median $30K)
Most recent filing: Oceanview/Merced/Ingleside · Jul 28, 2026
5 active · 4 newly observed last 90 days
Filing activity · last 16 weeks
APR
MAY
JUN
JUL
5
active projects (last 90d)
4
newly observed (last 90d)
May 2026
peak month
Project mix · by use
Commercial5%
Residential95%
Geography · by neighborhood
Outer Richmond32%
Sunset/Parkside26%
West of Twin Peaks21%
Inner Richmond16%
Oceanview/Merced/Ingleside5%
Shared-project connections
| # | Firm | Primary role | Shared | Relative |
|---|---|---|---|---|
| 1 | Yuflux Engineering | Architecture | 5 | |
| 2 | Michael Chan Company | Architecture | 2 | |
| None on shared filings. | ||||
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 K Y J Construction Company filed?▾
PermitPipeline tracks 19 San Francisco building-permit projects for K Y J Construction Company (Apr 2025 to Jul 2026). 5 had filing activity in the last 90 days.
Does K Y J Construction Company work on commercial or residential projects?▾
Across its tracked San Francisco filings, 5% of K Y J Construction Company's projects are commercial and 95% are residential (multifamily, small residential, or single-family). Based on permit records, not self-reported.
Where in San Francisco does K Y J Construction Company work?▾
32% of K Y J Construction Company's tracked San Francisco projects are in Outer Richmond.
What is a typical K Y J Construction Company project worth?▾
Across the 24 tracked projects with a declared value, K Y J Construction Company averages $55K per project (declared value on the permit filing, not contract value).
Which firms does K Y J Construction Company work with most often?▾
K Y J Construction Company most frequently appears on the same San Francisco permit filings as Yuflux Engineering, Michael Chan Company, Innodez. Appearing together indicates association on shared filings, not a proven working relationship.
Is K Y J Construction Company a general contractor?▾
K Y J Construction Company 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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