ADU submission dateSupporting source ↗
ADU preapproval / 940633
Official source facts ↗4310 N Keystone Ave
Work type unclear
Source stageDecision listed
ADU submission dateJul 28, 2026
Last source checkNov 2, 2026
Source facts
- Work described
- Work type unclear
- Listed status
- Pre-Certified
- Source action date
- Jul 30, 2026
- Ward
- 39
- Reported ADUs requested
- 1
- Listed zoning
- RT-4
- First observed here
- Oct 6, 2026, 4:45 a.m. ET
An ADU pre-certification is not a building permit. The owner still needs a building permit before construction. Source dates and statuses do not establish construction start, completion, open bids, or buying intent.
Record timeline
Dated evidence and observation history. A listed hearing date does not establish an outcome.
First observed by CivicBuilds
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Explore timeline and check permit applications ↗These links use the same literal street address. They do not establish that an application and a permit concern the same project or unit.
#101084299 · 4310 N Keystone Ave ↗
Multifamily building
Aug 10, 2026
Observed source history
Changes shown here were observed by CivicBuilds. Check the official source for decisions made before our records began.
Pre-Certified