# Building permits at 900 W Windsor Ave, Chicago, IL

The biggest project within a quarter mile since May 1: a $1.2M alteration or repair at 4343 N Clarendon Ave, permitted Sep 3.

10 permits on record here. The newest, Sep 29: Replacement electrical contractor. Within a quarter mile, the city has issued 43 more permits (42 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Sep 29, 2026 | Other | For permit 101074435: replacement electrical contractor. New contractor(s) listed under "other applicants and contractors" on permit certificate. | Not listed | [B200513245](https://nearbypermits.com/chicago/permit/B200513245/) |
| Sep 25, 2026 | Electrical | Line voltage electrical work. Add 1 circuits to existing 600 amp service disconnecting means. Receptacle outlets: 1. Lighting outlets: 0. Specific location: basement. | $8,156 | [B200513013](https://nearbypermits.com/chicago/permit/B200513013/) |
| Apr 23, 2026 | Other | Reinstate permit no 101074435 must begin work and or request inspection no later than november 2026 on permit no 101074435 | Not listed | [101082616](https://nearbypermits.com/chicago/permit/101082616/) |
| Nov 3, 2025 | Alteration or repair | Spr / 2019 CBRC: installation of a 22.410 kw dc, 19.00 kw ac system on the roof of an existing 3-story residential building as per plans. (Structural peer review) (occupancy group: R-2 / type v-b construction) | $59,815 | [101074435](https://nearbypermits.com/chicago/permit/101074435/) |
| Apr 11, 2025 | Scaffold or sidewalk shed | Temporary scaffolding: qty: 2, max. Length: 40 FT., max. Height: 42 FT. Location: work on north, south and west elevation.. Permit expiration date: 365 days from permit issued date | Not listed | [B200420899](https://nearbypermits.com/chicago/permit/B200420899/) |
| Dec 10, 2024 | Alteration or repair | Dds 2019 CBRC: rehabilitation of 3-story, 18-unit existing apartment building including kitchen replacement, HVAC and plumbing replacement, lighting replacement, flooring replacement, door repairs, window replacement, roofing replacement, masonry repairs, repairs to exterior metal decking, repairs t | $3,467,609 | [101059910](https://nearbypermits.com/chicago/permit/101059910/) |
| Sep 12, 2008 | Plumbing | Plumbing only, replace one hot water heater. | Not listed | [100257471](https://nearbypermits.com/chicago/permit/100257471/) |
| May 10, 2007 | Scaffold or sidewalk shed | Erect one modular scaffold from 05/14/2007 - 11/14/2007 for exterior masonry work. | Not listed | [100177859](https://nearbypermits.com/chicago/permit/100177859/) |
| Feb 21, 2007 | Roofing | Repair/replace doors, windows, tuckpointing, plumbing fixtures replacement, electrical and roofing. All work same as existing. | $1,416,127 | [100163844](https://nearbypermits.com/chicago/permit/100163844/) |
| Feb 7, 2007 | New building | Remove 2 existing wood framed porches rebuild 2 new steel porches at same location and size as original as per plans | $75,000 | [100156853](https://nearbypermits.com/chicago/permit/100156853/) |

## Within ¼ mi since May 1, 2026

43 permits in the circle. From our copy of the city's data (last 24 months).

### This block (250 to 1,000 ft), 12 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 29, 2026 | [927 W Wilson Ave](https://nearbypermits.com/chicago/address/927-w-wilson-ave/) | 380 ft NW | Other | For permit 101070170: replacement electrical contractor. New contractor(s) listed under "other applicants and contractors" on permit certificate. | Not listed | [B200513244](https://nearbypermits.com/chicago/permit/B200513244/) |
| Sep 29, 2026 | [847 W Sunnyside Ave](https://nearbypermits.com/chicago/address/847-w-sunnyside-ave/) | 430 ft SE | Other | For permit 101071165: replacement electrical contractor. New contractor(s) listed under "other applicants and contractors" on permit certificate. | Not listed | [B200513243](https://nearbypermits.com/chicago/permit/B200513243/) |
| Sep 28, 2026 | [927 W Wilson Ave](https://nearbypermits.com/chicago/address/927-w-wilson-ave/) | 380 ft NW | Electrical | Line voltage electrical work. Add 1 circuits to existing 1200 amp service disconnecting means. Receptacle outlets: 1. Lighting outlets: 0. Specific location: basement. | $8,116 | [B200512990](https://nearbypermits.com/chicago/permit/B200512990/) |
| Sep 25, 2026 | [847 W Sunnyside Ave](https://nearbypermits.com/chicago/address/847-w-sunnyside-ave/) | 430 ft SE | Electrical | Line voltage electrical work. Add 1 circuits to existing 600 amp service disconnecting means. Receptacle outlets: 1. Lighting outlets: 0. Specific location: basement. | $6,623 | [B200513021](https://nearbypermits.com/chicago/permit/B200513021/) |
| Sep 23, 2026 | [4555 N Sheridan Rd](https://nearbypermits.com/chicago/address/4555-n-sheridan-rd/) | 630 ft NW | Scaffold or sidewalk shed | Temporary scaffolding: qty: 1, max. Length: 160 FT., max. Height: 120 FT. Location: all elevations. Permit expiration date: 365 days from permit issued date this permit is not valid without corresponding cdot public way permit. | Not listed | [B200512337](https://nearbypermits.com/chicago/permit/B200512337/) |
| Aug 3, 2026 | [816 W Agatite Ave](https://nearbypermits.com/chicago/address/816-w-agatite-ave/) | 810 ft SE | Alteration or repair | Dds 2019 CBC: interior alterations & addition of two (2) dwelling units to ground floor level in an existing 4-story building (occupancy R-2, type iiia) consultant reviewer:v3 companies of IL | $1,200,000 | [101083804](https://nearbypermits.com/chicago/permit/101083804/) |
| Jul 6, 2026 | [4525 N Kenmore Ave](https://nearbypermits.com/chicago/address/4525-n-kenmore-ave/) | 970 ft W | Mechanical (HVAC) | Scope: repair existing rtu platform, to include repairs to decking and railing per structural engineer's drawing. No rtu replacement included in scope. Locations: 0 residential unit(s), 0 non-residential unit(s), exterior work, rtu platform repair | $5,000 | [B200476453](https://nearbypermits.com/chicago/permit/B200476453/) |
| May 28, 2026 | [811 W Eastwood Ave](https://nearbypermits.com/chicago/address/811-w-eastwood-ave/) | 840 ft NE | Alteration or repair | Tuckpointing and unit masonry repair / replacement: 500 SQ. FT., Lintel qty. 0, MAX. Length 0. Location: south wall unit 405,505. | $13,300 | [B200470513](https://nearbypermits.com/chicago/permit/B200470513/) |
| May 27, 2026 | [927 W Wilson Ave](https://nearbypermits.com/chicago/address/927-w-wilson-ave/) | 380 ft NW | Other | Reinstate permit no 101070170 must begin work and or request inspection no later than august 2026 on permit no 101070170 | Not listed | [101083990](https://nearbypermits.com/chicago/permit/101083990/) |
| May 27, 2026 | [847 W Sunnyside Ave](https://nearbypermits.com/chicago/address/847-w-sunnyside-ave/) | 430 ft SE | Other | Reinstate permit no 101071165 must begin work and or request inspection no later than september 2026 on permit no 101071165 | Not listed | [101083989](https://nearbypermits.com/chicago/permit/101083989/) |
| May 13, 2026 | [906 W Sunnyside Ave](https://nearbypermits.com/chicago/address/906-w-sunnyside-ave/) | 310 ft S | Alteration or repair | Spr 2019 CBRC: alteration of existing structure to reinforce existing floor framing system. No modification to building footprint, number of dwelling units, (no mechanical no electrical or plumbing work under this permit) (construction classification IIIB, occupancy R-2, 120 du) | $50,000 | [101074662](https://nearbypermits.com/chicago/permit/101074662/) |
| May 5, 2026 | [826 W Windsor Ave](https://nearbypermits.com/chicago/address/826-w-windsor-ave/) | 390 ft E | Alteration or repair | Remove and replace existing damaged front metal porch with new metal porch. The building is an existing 6-unit residential building. The current use/occupancy classification is R-2, and the proposed use/occupancy classification is R-2. No interior work and no change in the number of dwelling units. | $20,000 | [101078156](https://nearbypermits.com/chicago/permit/101078156/) |

### Farther (1,000 ft to ¼ mi), 31 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 29, 2026 | [804 W Montrose Ave](https://nearbypermits.com/chicago/address/804-w-montrose-ave/) | 0.22 mi SE | Sign | Erect new vertical blade sign on south side of existing building, to read "trader joe's" | $2,975 | [101085086](https://nearbypermits.com/chicago/permit/101085086/) |
| Sep 29, 2026 | [804 W Montrose Ave](https://nearbypermits.com/chicago/address/804-w-montrose-ave/) | 0.22 mi SE | Sign | Erect new sign on east side of existing building to extend over the public way and read "trader joe's parking" | $3,500 | [101085083](https://nearbypermits.com/chicago/permit/101085083/) |
| Sep 29, 2026 | [804 W Montrose Ave](https://nearbypermits.com/chicago/address/804-w-montrose-ave/) | 0.22 mi SE | Sign | Erect new sign on east side of existing retail building to extend over the public way & read "trader joe's parking" | $3,500 | [101085082](https://nearbypermits.com/chicago/permit/101085082/) |
| Sep 3, 2026 | [804 W Montrose Ave](https://nearbypermits.com/chicago/address/804-w-montrose-ave/) | 0.22 mi SE | Other | For permit 101078289: replacement plumbing contractor. New contractor(s) listed under "other applicants and contractors" on permit certificate. | Not listed | [B200509890](https://nearbypermits.com/chicago/permit/B200509890/) |
| Sep 3, 2026 | [4343 N Clarendon Ave](https://nearbypermits.com/chicago/address/4343-n-clarendon-ave/) | 0.25 mi SE | Alteration or repair | Concrete masonry repair / replacemnt: 740sq. FT., Excavation = no. Location: all 4 building elevations. | $1,241,500 | [B200480941](https://nearbypermits.com/chicago/permit/B200480941/) |
| Aug 27, 2026 | [804 W Montrose Ave](https://nearbypermits.com/chicago/address/804-w-montrose-ave/) | 0.22 mi SE | Alteration or repair | Self cert 2019 CBRC: int building out of shell space on ground floor - trader joes. Post approval amendment to permit application 101078289. Revisions include arch, elec, mech, ems. | $75,000 | [101087308](https://nearbypermits.com/chicago/permit/101087308/) |
| Aug 19, 2026 | [4433 N Broadway](https://nearbypermits.com/chicago/address/4433-n-broadway/) | 0.21 mi SW | Alteration or repair | Revision to permit #101065608. Self-cert 2019 CBRC: full building permit for interior build-out of a 4,224 square foot fitness facility at the grade level within an existing 4-story mixed-use structure (occupancy group B; type iii-a construction, property pin #14-28-120-021, ward 44) | $250,000 | [101083145](https://nearbypermits.com/chicago/permit/101083145/) |
| Aug 13, 2026 | [804 W Montrose Ave](https://nearbypermits.com/chicago/address/804-w-montrose-ave/) | 0.22 mi SE | Sign | Erect new sign on south exterior facade of existing retail building, to read "trader joe's" | $17,039 | [101084470](https://nearbypermits.com/chicago/permit/101084470/) |
| Aug 13, 2026 | [804 W Montrose Ave](https://nearbypermits.com/chicago/address/804-w-montrose-ave/) | 0.22 mi SE | Sign | Erect new sign on east exterior wall of existing retail space, to read "trader joe's" | $17,039 | [101084459](https://nearbypermits.com/chicago/permit/101084459/) |
| Jul 31, 2026 | [4343 N Clarendon Ave](https://nearbypermits.com/chicago/address/4343-n-clarendon-ave/) | 0.25 mi SE | Scaffold or sidewalk shed | Temporary scaffolding: qty: 6, max. Length: 240 FT., max. Height: 250 FT. Location: all 4 building elevations. Permit expiration date: 365 days from permit issued date | Not listed | [B200480937](https://nearbypermits.com/chicago/permit/B200480937/) |
| Jul 23, 2026 | [804 W Montrose Ave](https://nearbypermits.com/chicago/address/804-w-montrose-ave/) | 0.22 mi SE | Electrical | Low voltage/communication electrical work. Install security. Specific location: 1st floor storefront. | $9,500 | [B200479643](https://nearbypermits.com/chicago/permit/B200479643/) |
| Jul 1, 2026 | [804 W Montrose Ave](https://nearbypermits.com/chicago/address/804-w-montrose-ave/) | 0.22 mi SE | Electrical | Low voltage/communication electrical work. Install data/video. Specific location: grocery store. | $40,000 | [B200476990](https://nearbypermits.com/chicago/permit/B200476990/) |
| Jul 16, 2026 | [4466 N Broadway](https://nearbypermits.com/chicago/address/4466-n-broadway/) | 0.21 mi SW | Fire systems | Fire alarm: repair existing system. Affects: 0 dwelling units; 1 non-residential units. High-rise building: no. Voice communication: no. Special locking: no. Monitoring type: supervising station. Specific location: first floor. | Not listed | [B200470017](https://nearbypermits.com/chicago/permit/B200470017/) |
| Jul 6, 2026 | [909 W Montrose Ave](https://nearbypermits.com/chicago/address/909-w-montrose-ave/) | 0.20 mi S | Sign | We seek a sign permit to install a "planet fitness" illuminated letterset wall sign, on a raceway, above the main entry, on the building's west elevation. | $12,000 | [101079359](https://nearbypermits.com/chicago/permit/101079359/) |
| Jul 1, 2026 | [804 W Montrose Ave](https://nearbypermits.com/chicago/address/804-w-montrose-ave/) | 0.22 mi SE | Fire systems | Fire alarm: modification of existing system. Associated building permit:101078289. Affects: 0 dwelling units; 1 non-residential units. High-rise building: yes. Voice communication: yes. Special locking: yes. Monitoring type: supervising station. Specific location: ground fl retail tenant. | Not listed | [B200473727](https://nearbypermits.com/chicago/permit/B200473727/) |
| Jul 1, 2026 | [909 W Montrose Ave](https://nearbypermits.com/chicago/address/909-w-montrose-ave/) | 0.20 mi S | Sign | We seek a sign permit to install (1) illuminated, double-sided blade sign on the north elevation. | $3,400 | [101079374](https://nearbypermits.com/chicago/permit/101079374/) |
| Jun 14, 2026 | [4520 N Broadway](https://nearbypermits.com/chicago/address/4520-n-broadway/) | 0.23 mi W | Other | For permit 101075280: replacement electrical contractor. New contractor(s) listed under "other applicants and contractors" on permit certificate. | Not listed | [B200473586](https://nearbypermits.com/chicago/permit/B200473586/) |
| May 29, 2026 | [4520 N Broadway](https://nearbypermits.com/chicago/address/4520-n-broadway/) | 0.23 mi W | Other | For permit 101075280: replacement plumbing contractor. New contractor(s) listed under "other applicants and contractors" on permit certificate. | Not listed | [B200470066](https://nearbypermits.com/chicago/permit/B200470066/) |
| May 26, 2026 | [909 W Montrose Ave](https://nearbypermits.com/chicago/address/909-w-montrose-ave/) | 0.20 mi S | Sign | We seek a sign permit to install (1) double-sided vertical banner on existing banner poles on the west end of the north elevation. | $650 | [101083001](https://nearbypermits.com/chicago/permit/101083001/) |
| May 18, 2026 | [909 W Montrose Ave](https://nearbypermits.com/chicago/address/909-w-montrose-ave/) | 0.20 mi S | Sign | We seek a sign permit to install (1) double-sided vertical banner on existing banner poles on the east end of the north elevation. | $650 | [101079392](https://nearbypermits.com/chicago/permit/101079392/) |
| May 6, 2026 | [4466 N Broadway](https://nearbypermits.com/chicago/address/4466-n-broadway/) | 0.21 mi SW | Sign | Drive up: internally illuminated face-lit wall sign (w sunnyside ave elevation) - 2'-10" h x 12'-3" W (35 SQ ft) | $6,500 | [101081745](https://nearbypermits.com/chicago/permit/101081745/) |
| May 6, 2026 | [4466 N Broadway](https://nearbypermits.com/chicago/address/4466-n-broadway/) | 0.21 mi SW | Sign | Target: internally illuminated projecting sign with push-through elements (w sunnyside ave elevation) - 6'-0" h x 3'-3" projection (20 SQ ft) | $6,000 | [101081744](https://nearbypermits.com/chicago/permit/101081744/) |
| May 6, 2026 | [4466 N Broadway](https://nearbypermits.com/chicago/address/4466-n-broadway/) | 0.21 mi SW | Sign | Cvs pharmacy: internally illuminated face-lit wall sign (w sunnyside ave elevation) - 2'-0" h x 18'-4" W (37 SQ ft) | $6,000 | [101081742](https://nearbypermits.com/chicago/permit/101081742/) |
| May 6, 2026 | [4466 N Broadway](https://nearbypermits.com/chicago/address/4466-n-broadway/) | 0.21 mi SW | Sign | Target: internally illuminated face-lit wall sign (w sunnyside ave elevation) - 16'-3" h x 12'-0" W (195 SQ ft) | $14,000 | [101081741](https://nearbypermits.com/chicago/permit/101081741/) |
| May 6, 2026 | [4466 N Broadway](https://nearbypermits.com/chicago/address/4466-n-broadway/) | 0.21 mi SW | Sign | Cvs pharmacy: internally illuminated face-lit wall sign (n broadway elevation) - 2'-0" h x 18'-4" W (37 SQ ft) | $6,000 | [101081740](https://nearbypermits.com/chicago/permit/101081740/) |
| May 6, 2026 | [4466 N Broadway](https://nearbypermits.com/chicago/address/4466-n-broadway/) | 0.21 mi SW | Sign | Target: internally illuminated face-lit wall sign (n broadway elevation) - 16'-3" h x 12'-0" W (195 SQ ft) | $14,000 | [101081739](https://nearbypermits.com/chicago/permit/101081739/) |
| May 6, 2026 | [4466 N Broadway](https://nearbypermits.com/chicago/address/4466-n-broadway/) | 0.21 mi SW | Sign | Target: internally illuminated projecting sign with push-through elements (n broadway elevation) - 6'-0" h x 3'-3" projection (20 SQ ft) | $6,000 | [101081738](https://nearbypermits.com/chicago/permit/101081738/) |
| May 5, 2026 | [4466 N Broadway](https://nearbypermits.com/chicago/address/4466-n-broadway/) | 0.21 mi SW | Sign | Target: internally illuminated face-lit wall sign (west elevation facing metra/up corridor) - 16'-0" h x 16'-0" W (256 SQ ft) | $20,000 | [101081747](https://nearbypermits.com/chicago/permit/101081747/) |
| May 5, 2026 | [4466 N Broadway](https://nearbypermits.com/chicago/address/4466-n-broadway/) | 0.21 mi SW | Sign | Target : non-illuminated wall sign (w sunnyside ave elevation) - 1'-10" h x 12'-0" W (22 SQ ft) | $1,000 | [101081746](https://nearbypermits.com/chicago/permit/101081746/) |
| May 5, 2026 | [4466 N Broadway](https://nearbypermits.com/chicago/address/4466-n-broadway/) | 0.21 mi SW | Sign | Target parking: non-illuminated wall sign (w sunnyside ave elevation) - 3'-0" h x 17'-0" W (51 SQ ft) | $3,500 | [101081743](https://nearbypermits.com/chicago/permit/101081743/) |
| May 1, 2026 | [909 W Montrose Ave](https://nearbypermits.com/chicago/address/909-w-montrose-ave/) | 0.20 mi S | Sign | We seek a sign permit to install (2) tenant panels on an existing double-sided pylon at the southeast corner of montrose and sheridan. | $1,700 | [101079360](https://nearbypermits.com/chicago/permit/101079360/) |

## 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 W Windsor Ave with permits, nearest house number first:

- [844 W Windsor Ave](https://nearbypermits.com/chicago/address/844-w-windsor-ave/): newest permit Feb 26, 2025
- [826 W Windsor Ave](https://nearbypermits.com/chicago/address/826-w-windsor-ave/): newest permit May 5, 2026
- [825 W Windsor Ave](https://nearbypermits.com/chicago/address/825-w-windsor-ave/): newest permit Feb 3, 2026
- [2163 W Windsor Ave](https://nearbypermits.com/chicago/address/2163-w-windsor-ave/): newest permit Mar 3, 2026
- [2609 W Windsor Ave](https://nearbypermits.com/chicago/address/2609-w-windsor-ave/): newest permit Sep 15, 2026
- [2615 W Windsor Ave](https://nearbypermits.com/chicago/address/2615-w-windsor-ave/): newest permit Apr 29, 2024
- [3725 W Windsor Ave](https://nearbypermits.com/chicago/address/3725-w-windsor-ave/): newest permit May 15, 2026
- [3729 W Windsor Ave](https://nearbypermits.com/chicago/address/3729-w-windsor-ave/): newest permit Aug 10, 2026
- [3756 W Windsor Ave](https://nearbypermits.com/chicago/address/3756-w-windsor-ave/): newest permit Mar 17, 2026
- [5000 W Windsor Ave](https://nearbypermits.com/chicago/address/5000-w-windsor-ave/): newest permit Jan 21, 2026

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-13 12:09 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 10 permits at this address and 43 nearby: https://nearbypermits.com/chicago/address/900-w-windsor-ave/