# Building permits at 12423 S Union Ave, Chicago, IL Three permits on record here. The newest, Oct 2, 2024: Install solar panels on roof of principal building. Within a quarter mile, the city has issued 14 more permits (13 projects) since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Oct 2, 2024 | Solar | Install solar panels on roof of principal building. Roof type: sloped (2:12 to 5:12). Inverter output: 5.89 kw. Array output: 7.02 kw. Location: roof planes. Icc distributed generation installer cert. #18-0817. | $13,338 | [B200029003](https://nearbypermits.com/chicago/permit/B200029003/) | | Sep 16, 2024 | Electrical | Line voltage electrical work. Repair or alter devices on existing circuits. Receptacle outlets: 1. Lighting outlets: 1. Specific location: exterior. | $500 | [B200397370](https://nearbypermits.com/chicago/permit/B200397370/) | | Sep 24, 2007 | Plumbing | Hot water heater (replacement only): qty 1 | $500 | [100201787](https://nearbypermits.com/chicago/permit/100201787/) | ## Within ¼ mi since May 1, 2026 14 permits in the circle. From our copy of the city's data (last 24 months). ### This block (250 to 1,000 ft), 5 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jul 22, 2026 | [12517 S Lowe Ave](https://nearbypermits.com/chicago/address/12517-s-lowe-ave/) | 690 ft SE | Roofing | Scope: roof replacement. Area: 1500 SQ. FT. Roof covering: asphalt shingles. Location: house roof. IL Roofing contractor license: 104020788. | $8,000 | [B200479609](https://nearbypermits.com/chicago/permit/B200479609/) | | Jul 16, 2026 | [12410 S Parnell Ave](https://nearbypermits.com/chicago/address/12410-s-parnell-ave/) | 910 ft E | Solar | Install solar panels on roof of principal building. Roof type: steep (>5:12). Inverter output: 10 kw. Array output: 6.3 kw. Includes 13.5 kwh energy storage system. Location: roof planes of home. Icc distributed generation installer cert. #18-0817. | $16,970 | [B200477640](https://nearbypermits.com/chicago/permit/B200477640/) | | Jul 8, 2026 | [12410 S Parnell Ave](https://nearbypermits.com/chicago/address/12410-s-parnell-ave/) | 910 ft E | Electrical | Line voltage electrical work. New permanent 225 amp service disconnecting means with 1 circuits. Receptacle outlets: 1. Lighting outlets: 0. Specific location: main panel. | $1,500 | [B200477644](https://nearbypermits.com/chicago/permit/B200477644/) | | Jun 8, 2026 | [12530 S Lowe Ave](https://nearbypermits.com/chicago/address/12530-s-lowe-ave/) | 790 ft S | Roofing | Scope: roof replacement. Area: 1100 SQ. FT. Roof covering: asphalt shingles. Location: house roof only. IL Roofing contractor license: 104020788. | $8,000 | [B200473801](https://nearbypermits.com/chicago/permit/B200473801/) | | Jun 8, 2026 | [12512 S Lowe Ave](https://nearbypermits.com/chicago/address/12512-s-lowe-ave/) | 620 ft SE | Roofing | Scope: roof replacement. Area: 2700 SQ. FT. Roof covering: asphalt shingles. Location: house and detached garage. IL Roofing contractor license: 104020788. | $12,000 | [B200473703](https://nearbypermits.com/chicago/permit/B200473703/) | ### Farther (1,000 ft to ¼ mi), 9 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 30, 2026 | [12548 S Wallace St](https://nearbypermits.com/chicago/address/12548-s-wallace-st/) | 0.21 mi SE | Elevator | Installation of (1) one curved indoor stairlift, 400lbs capacity, pursuant to plans submitted and subject to city of chicago dept. Of buildings elevator bureau inspection. | $17,365 | [101089142](https://nearbypermits.com/chicago/permit/101089142/) | | Sep 24, 2026 | [12254 S Emerald Ave](https://nearbypermits.com/chicago/address/12254-s-emerald-ave/) | 0.20 mi NW | Plumbing | Repair or in-kind replacement of 1 plumbing fixtures as described in permit application. Repair or in-kind replacement of hot water heater(s). Includes repair or replacement of plumbing risers in existing chases. Locations: 1 residential unit(s), 0 non-residential unit(s), basement. | $23,762 | [B200512626](https://nearbypermits.com/chicago/permit/B200512626/) | | Sep 16, 2026 | [12436 S Normal Ave](https://nearbypermits.com/chicago/address/12436-s-normal-ave/) | 0.24 mi E | Other | Other administrative change associated with permit b200475508. Details: change garage size to 24'x24' and change front overhang to 6". Administrative filing only. No substantive change to scope of permit b200475508. | Not listed | [B200511046](https://nearbypermits.com/chicago/permit/B200511046/) | | Sep 16, 2026 | [12443 S Parnell Ave](https://nearbypermits.com/chicago/address/12443-s-parnell-ave/) | 0.19 mi E | Elevator | New installation of one(1) 750lb capacity, 10fpm, vertical platform lift, pursuant to the scope of work plans submitted. | $15,000 | [101088566](https://nearbypermits.com/chicago/permit/101088566/) | | Jul 7, 2026 | [12548 S Wallace St](https://nearbypermits.com/chicago/address/12548-s-wallace-st/) | 0.21 mi SE | Electrical | Line voltage electrical work. Add 5 circuits to existing 200 amp service disconnecting means. Receptacle outlets: 5. Lighting outlets: 0. Specific location: basement/exterior. | $2,850 | [B200477739](https://nearbypermits.com/chicago/permit/B200477739/) | | Jul 7, 2026 | [12548 S Wallace St](https://nearbypermits.com/chicago/address/12548-s-wallace-st/) | 0.21 mi SE | Electrical | Line voltage electrical work. New permanent 200 amp service disconnecting means with 5 circuits. Receptacle outlets: 5. Lighting outlets: 0. Specific location: basement/exterior. | $9,500 | [B200477738](https://nearbypermits.com/chicago/permit/B200477738/) | | Jun 19, 2026 | [12436 S Normal Ave](https://nearbypermits.com/chicago/address/12436-s-normal-ave/) | 0.24 mi E | Fence, wall or deck | New detached wood frame garage. Dimensions and setbacks per application. Building outside dimensions: 22'-0' ' x20'-0' '. Hip roof height to peak: 14'-0' '. | $34,460 | [B200475508](https://nearbypermits.com/chicago/permit/B200475508/) | | Jun 1, 2026 | [550 W 126th St](https://nearbypermits.com/chicago/address/550-w-126th-st/) | 0.24 mi SE | Electrical | Line voltage electrical work. New permanent 200 amp service disconnecting means with 5 circuits. Receptacle outlets: 5. Lighting outlets: 0. Specific location: basement /exterior. | $9,500 | [B200472752](https://nearbypermits.com/chicago/permit/B200472752/) | | May 29, 2026 | [12432 S Normal Ave](https://nearbypermits.com/chicago/address/12432-s-normal-ave/) | 0.23 mi E | Alteration or repair | Spr 2019 CBC. Interior alterations to existing one story brick SFR with basement (occupancy R-5, construction type iiia). Interior alterations include electrical, plumbing and HVAC. All work as per plans. | $80,000 | [101082863](https://nearbypermits.com/chicago/permit/101082863/) | ## Zoning requests nearby We don't list zoning cases for Chicago yet. Look them up on the city's Zoning Board of Appeals page: https://www.chicago.gov/city/en/depts/dcd/zoning-board-of-appeals.html ## More on this street Other addresses on S Union Ave with permits, nearest house number first: - [12511 S Union Ave](https://nearbypermits.com/chicago/address/12511-s-union-ave/): newest permit Nov 30, 2025 - [12527 S Union Ave](https://nearbypermits.com/chicago/address/12527-s-union-ave/): newest permit May 16, 2025 - [12245 S Union Ave](https://nearbypermits.com/chicago/address/12245-s-union-ave/): newest permit Feb 17, 2026 - [12607 S Union Ave](https://nearbypermits.com/chicago/address/12607-s-union-ave/): newest permit Jan 3, 2025 - [12740 S Union Ave](https://nearbypermits.com/chicago/address/12740-s-union-ave/): newest permit Oct 11, 2024 - [12749 S Union Ave](https://nearbypermits.com/chicago/address/12749-s-union-ave/): newest permit Oct 17, 2024 - [12024 S Union Ave](https://nearbypermits.com/chicago/address/12024-s-union-ave/): newest permit Aug 19, 2026 - [12854 S Union Ave](https://nearbypermits.com/chicago/address/12854-s-union-ave/): newest permit Oct 8, 2025 - [12902 S Union Ave](https://nearbypermits.com/chicago/address/12902-s-union-ave/): newest permit Jul 17, 2026 - [11943 S Union Ave](https://nearbypermits.com/chicago/address/11943-s-union-ave/): newest permit May 30, 2025 --- Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-14 11:40 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ This site provides applications using data that has been modified for use from its original source, www.cityofchicago.org, the official website of the City of Chicago. The City of Chicago makes no claims as to the content, accuracy, timeliness, or completeness of any of the data provided at this site. The data provided at this site is subject to change at any time. It is understood that the data provided at this site is being used at one’s own risk. Map, all 3 permits at this address and 14 nearby: https://nearbypermits.com/chicago/address/12423-s-union-ave/