Monthly archive · Cook County, Illinois
Chicago Building Permits — March 2026
Every building permit issued by the City of Chicago in March 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), March 2026 · Source: City of Chicago
Questions, answered from the data
What was the largest building permit issued in Chicago in March 2026?
The largest was permit #B200460237 at 307 N Michigan Ave, with a reported project value of $615,500,000, issued in March 2026, as reported by the City of Chicago.
Permits by trade — March 2026
| Trade | Permits issued | Reported value |
|---|---|---|
| Electrical | 679 | $662,748,143 |
| General & Other | 655 | $148,739,123 |
| Plumbing | 260 | $144,240,461 |
| Signage | 163 | $1,055,949 |
| Masonry | 162 | $20,098,584 |
| New Construction | 131 | $983,482,960 |
| Solar | 110 | $4,777,915 |
| Roofing | 92 | $32,816,156 |
| Fire Alarm | 83 | $0 |
| Fencing | 78 | $827,243 |
| HVAC | 77 | $22,000,143 |
| Elevator | 69 | $7,223,299 |
| Demolition | 47 | $1,615,474 |
Biggest projects issued in March 2026
| Project (permit #) | Trade | Reported value | Issued |
|---|---|---|---|
| 307 N Michigan Ave #B200460237 LOW VOLTAGE/COMMUNICATION ELECTRICAL WORK. INSTALL DATA/VIDEO. SPECIFIC LOCATION: 6TH, 7TH, 13TH FLOORS. | Electrical | $615,500,000 | 2026-03-17 |
| 705 W Chicago Ave #101074828 DDS 2019 CBC: INTERIOR BUILDOUT OF NEW 7-STORY CASINO, PARKING, AND EVENT CENTER BUILDING AND 34-STORY HOTE… | New Construction | $580,000,000 | 2026-03-19 |
| 10000 W Ohare St #101076890 DDS 2019 CBC: FULL BUILDING PERMIT FOR THE CONFINED SPACES PORTIONS OF CONSOLIDATED TUNNEL BETWEEN FUTURE O… | New Construction | $220,000,000 | 2026-03-16 |
| 100 W Randolph St #101077075 DDS 2019 CBRC: INTERIOR ALTERATIONS TO LEVELS B2, B1, L1, AND L2 FOR BUILDING SHARED AMENITY SPACE. WORK TO… | Plumbing | $50,118,593 | 2026-03-16 |
| 566 W Van Buren St #101073356 DDS / 2019 CBC: NEW CONSTRUCTION OF A 12-STORY RESIDENTIAL BUILDING (199 UNITS) W/ NO BASEMENT TO INCLUDE … | New Construction | $44,000,000 | 2026-03-25 |
| 955 N Larrabee St #101036007 DDS 2019 CBC: NEW CONSTRUCTION 7 STORY, 79FT, 78 UNIT MULTI-FAMILY RESIDENTIAL BUILDING. 39 PARKING SPACES … | New Construction | $36,887,188 | 2026-03-18 |
| 500 N Kingsbury St #101076504 DDS 2019 CBRC: ALTERATIONS TO EXISTING 4TH FLOOR POOL DECK TO INCLUDE NEW ENCLOSED DINING AREA, NEW CONVENI… | General & Other | $27,000,000 | 2026-03-31 |
| 3737 W 99Th St #101076652 SPR 2019 SPR: FULL BUILDING PERMIT FOR NEW 1-STORY 2,225 SQFT CENTRAL UTILITY PLANT ADDITION TO EXISTING...… | Electrical | $20,000,000 | 2026-03-17 |
| 566 W Van Buren St #100979631 (DIRECT DEVELOPER SERVICES / 2019 CBC) FOUNDATION / SUPERSTRUCTURE PERMIT FOR THE NEW CONSTRUCTION OF A 14… | New Construction | $12,000,000 | 2026-03-23 |
| 2938 W Fullerton Ave #101075752 DDS 2019 CBRC: RENOVATION OF AN EXISTING 5-STORY STORAGE BUILDING TO CONVERT TO RESIDENTIAL (62 DWELLING UN… | General & Other | $12,000,000 | 2026-03-23 |
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