Community area × permit type
Renovation & Alteration permits in Chatham
The typical renovation & alteration permit issued in Chatham took 26 days. The 75th-percentile wait was 77 days.
Records checked4442021–Sep. 15, 2026
The short answer
Typical wait26 daysmedian issued permit
Usually within77 days75% of records
Long-wait edge146 days90% of records
Evidence444issued permits
The median was 20 days slower than the previous 12 months.
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 |
|---|---|---|---|---|
| 2021 | 95 | 6 days | 56 days | 100 days |
| 2022 | 83 | 3 days | 44 days | 91 days |
| 2023 | 93 | 17 days | 83 days | 178 days |
| 2024 | 78 | 38 days | 76 days | 142 days |
| 2025 | 59 | 48 days | 96 days | 150 days |
| 2026* | 36 | 60 days | 116 days | 254 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 |
|---|---|---|---|
| Chatham | 26 days | 77 days | 444 |
| Armour Square | 25 days | 76 days | 153 |
| Auburn Gresham | 28 days | 96 days | 612 |
| Avondale | 28 days | 85 days | 534 |
| Lake View | 28 days | 77 days | 1,391 |
| Rogers Park | 28 days | 80 days | 375 |
| Grand Boulevard | 29 days | 106 days | 400 |
| Oakland | 22 days | 131 days | 85 |