Preview 555,290 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. Sourced from city open-data portals. Data as of 2026-09-21.

Chicago · permit 100847921

843 W WELLINGTON AVE

INTERIOR & EXTERIOR ALTERATIONS TO CONVERT FROM 3 D.U. TO 4 D.U., DUPLEX 3RD FLOOR UNIT W/ NEW ATTIC ADDITION, NEW REAR 4 STORY METAL PORCH AND NEW 3 CAR MASONRY GARAGE W/ ROOF DECK IN EXISTING 3 STORY MASONRY BUILDING WITH BASEMENT PER PLANS. THE SCOPE OF WORK INCLUDES: ARCHITECTURE, PLUMBING, HVAC AND ELECTRIC. CURRENT USE: 3 D.U. / PROPOSED USE: 4 D.U.

Permit

Permit type
PERMIT - RENOVATION/ALTERATION
Class
Unknown
Trade
Electrical
Nature of work
Alteration
Status
COMPLETE

Location

City
Chicago
State
IL

Dates

Applied
2020-01-15
Issued
2020-03-08
Time to issue
53 days

Value and contractor

Declared value
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Total fee
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Contractor
AVIAF DEVELOPMENT LLC

Chicago details

Review type
STANDARD PLAN REVIEW
Milestone
CERTIFICATE OF OCCUPANCY ISSUED
Community area (code)
6

Data as of 2026-09-20.

Other permits issued in Chicago, March 2020