# Building permits at 825 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. Two permits on record here. The newest, Feb 3: Legalize unpermitted work. Within a quarter mile, the city has issued 30 more permits (29 projects) since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Feb 3, 2026 | Fence, wall or deck | Purpose: legalize unpermitted work. Wrought iron fence - 7'-0' ' (height) x 23'-0' ' (length). Location: front facade, side. | $2,000 | [B200455122](https://nearbypermits.com/chicago/permit/B200455122/) | | Sep 11, 2006 | Alteration or repair | Replace existing two story wood porch with two story steel porch and repairs on steel rusted walkway. Conditional permit subject to field inspections. | $15,000 | [100092979](https://nearbypermits.com/chicago/permit/100092979/) | ## Within ¼ mi since May 1, 2026 30 permits in the circle. From our copy of the city's data (last 24 months). ### Next door (under 250 ft), 1 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | May 5, 2026 | [826 W Windsor Ave](https://nearbypermits.com/chicago/address/826-w-windsor-ave/) | 85 ft N | 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/) | ### This block (250 to 1,000 ft), 21 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 29, 2026 | [900 W Windsor Ave](https://nearbypermits.com/chicago/address/900-w-windsor-ave/) | 420 ft W | 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 29, 2026 | [927 W Wilson Ave](https://nearbypermits.com/chicago/address/927-w-wilson-ave/) | 760 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/) | 380 ft SW | 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 29, 2026 | [804 W Montrose Ave](https://nearbypermits.com/chicago/address/804-w-montrose-ave/) | 920 ft S | 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/) | 920 ft S | 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/) | 920 ft S | 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 28, 2026 | [927 W Wilson Ave](https://nearbypermits.com/chicago/address/927-w-wilson-ave/) | 760 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/) | 380 ft SW | 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 25, 2026 | [900 W Windsor Ave](https://nearbypermits.com/chicago/address/900-w-windsor-ave/) | 420 ft W | 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/) | | Sep 3, 2026 | [804 W Montrose Ave](https://nearbypermits.com/chicago/address/804-w-montrose-ave/) | 920 ft S | 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/) | | Aug 27, 2026 | [804 W Montrose Ave](https://nearbypermits.com/chicago/address/804-w-montrose-ave/) | 920 ft S | 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 13, 2026 | [804 W Montrose Ave](https://nearbypermits.com/chicago/address/804-w-montrose-ave/) | 920 ft S | 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/) | 920 ft S | 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/) | | Aug 3, 2026 | [816 W Agatite Ave](https://nearbypermits.com/chicago/address/816-w-agatite-ave/) | 570 ft S | 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 23, 2026 | [804 W Montrose Ave](https://nearbypermits.com/chicago/address/804-w-montrose-ave/) | 920 ft S | 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/) | 920 ft S | Electrical | Low voltage/communication electrical work. Install data/video. Specific location: grocery store. | $40,000 | [B200476990](https://nearbypermits.com/chicago/permit/B200476990/) | | Jul 1, 2026 | [804 W Montrose Ave](https://nearbypermits.com/chicago/address/804-w-montrose-ave/) | 920 ft S | 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/) | | May 28, 2026 | [811 W Eastwood Ave](https://nearbypermits.com/chicago/address/811-w-eastwood-ave/) | 720 ft N | 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/) | 760 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/) | 380 ft SW | 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/) | 520 ft SW | 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/) | ### Farther (1,000 ft to ¼ mi), 8 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 23, 2026 | [4555 N Sheridan Rd](https://nearbypermits.com/chicago/address/4555-n-sheridan-rd/) | 0.20 mi W | 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/) | | Sep 3, 2026 | [4343 N Clarendon Ave](https://nearbypermits.com/chicago/address/4343-n-clarendon-ave/) | 0.20 mi S | 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/) | | Jul 31, 2026 | [4343 N Clarendon Ave](https://nearbypermits.com/chicago/address/4343-n-clarendon-ave/) | 0.20 mi S | 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 6, 2026 | [909 W Montrose Ave](https://nearbypermits.com/chicago/address/909-w-montrose-ave/) | 0.21 mi SW | 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 | [909 W Montrose Ave](https://nearbypermits.com/chicago/address/909-w-montrose-ave/) | 0.21 mi SW | 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/) | | May 26, 2026 | [909 W Montrose Ave](https://nearbypermits.com/chicago/address/909-w-montrose-ave/) | 0.21 mi SW | 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/) | 0.21 mi SW | 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 1, 2026 | [909 W Montrose Ave](https://nearbypermits.com/chicago/address/909-w-montrose-ave/) | 0.21 mi SW | 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: - [826 W Windsor Ave](https://nearbypermits.com/chicago/address/826-w-windsor-ave/): newest permit May 5, 2026 - [844 W Windsor Ave](https://nearbypermits.com/chicago/address/844-w-windsor-ave/): newest permit Feb 26, 2025 - [900 W Windsor Ave](https://nearbypermits.com/chicago/address/900-w-windsor-ave/): newest permit Sep 29, 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 --- Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-14 16:42 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, both permits at this address and 30 nearby: https://nearbypermits.com/chicago/address/825-w-windsor-ave/