Community area × permit type
Renovation & Alteration permits in Riverdale
The typical renovation & alteration permit issued in Riverdale took 92 days. The 75th-percentile wait was 93 days.
Records checked542021–Sep. 15, 2026
The short answer
Typical wait92 daysmedian issued permit
Usually within93 days75% of records
Long-wait edge93 days90% of records
Evidence54issued permits
Not enough records for a year-over-year comparison.
How the waits are distributed
Median is only the middle. This shows how often issued permits fell into each elapsed-time band.
Change over time
Annual permit timing
| Issue year | Records | Median | 75th percentile | 90th percentile |
|---|---|---|---|---|
| 2022 | 37 | 92 days | 93 days | 93 days |
*2026 is partial through Sep. 15. Year labels use the permit issue date, not the application date.
Context
Renovation & Alteration timing in comparable community areas
| Report | Median | 75% within | Records |
|---|---|---|---|
| Riverdale | 92 days | 93 days | 54 |
| Morgan Park | 56 days | 112 days | 212 |
| Ashburn | 51 days | 118 days | 207 |
| Forest Glen | 50 days | 107 days | 256 |
| Washington Heights | 49 days | 106 days | 241 |
| Archer Heights | 48 days | 104 days | 109 |
| Belmont Cragin | 48 days | 117 days | 389 |
| Lower West Side | 48 days | 118 days | 560 |