Chicago, IL
The city has published this business under 2 spellings (DEERFIELD CONSTRUCTION GROUP, INC; DEERFIELD CONSTRUCTION GROUP), counted here as one.
Permits issued between 2016-09-22 and 2026-08-25.
Days from application to issue, by permit type, with the city's own median for the same type beside it. This measures the permit office as much as the contractor.
| Permit type | Permits | Median days | Chicago median | Slowest 10% |
|---|---|---|---|---|
| PERMIT - NEW CONSTRUCTION | 3 | 83 | 7 | 154 |
| PERMIT - RENOVATION/ALTERATION | 132 | 0 | 5 | 12 |
| PERMIT - EASY PERMIT PROCESS | 51 | 0 | 0 | 0 |
| PERMIT - REINSTATE REVOKED PMT | 13 | 0 | 0 | 0 |
Across the 200 most recent of 301 permits.
| Value | permits | Share |
|---|---|---|
| Electrical | 160 | 80.0% |
| General/Building | 40 | 20.0% |
| Value | permits | Share |
|---|---|---|
| Alteration | 132 | 66.0% |
| Other | 65 | 32.5% |
| New | 3 | 1.5% |
| Value | permits | Share |
|---|---|---|
| COMPLETE | 121 | 60.5% |
| EXPIRED | 14 | 7.0% |
| ACTIVE | 1 | 0.5% |
1–24 of 228 addresses. Most recently permitted first.
Every permit above is published by the City of Chicago in its open-data portal. 436,579 permits — every permit Chicago, Austin and Seattle issued in the last ten years. The full load is in progress, so this is how far it has got.
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One step: the same page signs you in or creates the account, then brings you straight back here.