Monthly archive · Cook County, Illinois
Chicago Building Permits — May 2026
Every building permit issued by the City of Chicago in May 2026: counts, reported value, permits by trade, and the month's biggest projects.
Source: City of Chicago open data — building permits. Source last updated: October 17, 2026 · Our last pull: October 17, 2026 · Figures are as reported by the City of Chicago.
Coverage: this report covers building permits issued by the City of Chicago, the largest jurisdiction in Cook County. Suburban Cook County permits are published by separate municipalities and are not in this feed yet, so county totals here are Chicago totals — labeled as such, never blended.
PermitsByCounty data, Cook County (Chicago), May 2026 · Source: City of Chicago
Questions, answered from the data
What was the largest building permit issued in Chicago in May 2026?
The largest was permit #101083648 at 10000 W Ohare Airport, with a reported project value of $250,000,000, issued in May 2026, as reported by the City of Chicago.
Permits by trade — May 2026
| Trade | Permits issued | Reported value |
|---|---|---|
| General & Other | 676 | $439,360,603 |
| Electrical | 625 | $20,637,162 |
| Plumbing | 241 | $61,442,588 |
| Masonry | 226 | $23,919,434 |
| Signage | 174 | $1,383,838 |
| Roofing | 149 | $36,985,662 |
| New Construction | 129 | $91,390,799 |
| Solar | 125 | $3,415,038 |
| Elevator | 105 | $132,786,580 |
| Fencing | 93 | $643,887 |
| HVAC | 83 | $16,647,080 |
| Fire Alarm | 68 | $0 |
| Demolition | 63 | $5,920,585 |
Biggest projects issued in May 2026
| Project (permit #) | Trade | Reported value | Issued |
|---|---|---|---|
| 10000 W Ohare Airport #101083648 DS 2019 CBRC: REVISION TO FULL BUILDING PERMIT 101056000 FOR THE RENOVATION OF EXISTING SPACE AND ADDITION … | General & Other | $250,000,000 | 2026-05-28 |
| 251 E Huron St #101079030 DDS 2019 CBC: INTERIOR ALTERATIONS TO EXISTING LEVELS 14 AND 15 OF THE GALTER PAVILION TO INCLUDE CONVERSIO… | General & Other | $40,000,000 | 2026-05-18 |
| 705 W Chicago Ave #101082535 INSTALLATION OF SEVEN(7) 4500PASS/HR, 100FPM, PASSENGER ESCALATORS, PURSUANT TO THE SCOPE OF WORK PLANS SUB… | Elevator | $21,879,000 | 2026-05-01 |
| 705 W Chicago Ave #101082537 INSTALLATION OF TWO(2) 4000LB CAPACITY, 8-FLOOR, 350FPM, PASSENGER ELEVATORS, PURSUANT TO THE SCOPE OF WORK… | Elevator | $21,879,000 | 2026-05-18 |
| 705 W Chicago Ave #101082539 INSTALLATION OF TWO(2) 4000LB CAPACITY, 4-FLOOR, 350FPM, PASSENGER ELEVATORS, PURSUANT TO THE SCOPE OF WORK… | Elevator | $21,879,000 | 2026-05-01 |
| 705 W Chicago Ave #101082541 INSTALLATION OF TWO(2) 3500LB CAPACITY, 3-FLOOR, 200FPM, AND ONE(1) 5000LB CAPACITY, 3-FLOOR, 200FPM, PASSE… | Elevator | $21,879,000 | 2026-05-01 |
| 705 W Chicago Ave #101082544 INSTALLATION OF ONE(1) 4000LB CAPACITY, AND ONE(1) 3500LB CAPACITY, BOTH 2-FLOOR, 200FPM, PASSENGER ELEVATO… | Elevator | $21,879,000 | 2026-05-01 |
| 111 S Michigan Ave #101081168 DDS 2019 CBRC: INTERIOR ALTERATIONS TO EXISTING RICE BUILDING AT THE ART INSTITUTE OF CHICAGO FOR THE NEW G… | General & Other | $21,000,000 | 2026-05-20 |
| 700 W Brompton Ave #101080970 DDS 2019 CBC: REVISION TO PERMIT# 101069330 DUE TO CHANGES TO LEVEL 4 CLASSROOM LAYOUT, ADDITIONS TO DOOR R… | Plumbing | $15,900,000 | 2026-05-08 |
| 5700 S Dusable Lake Shore Dr #101079657 DDS 2019 CBRC: ALTERATION PERMIT FOR SELECTIVE INTERIOR & EXTERIOR DEMOLITION AT THE SOUTH ENTRANCE OF … | General & Other | $15,849,500 | 2026-05-04 |
Full report: Cook County (Chicago) county hub.