# Building permits at 8421 E Outer Dr, Detroit, MI One permit on record here. The newest, Mar 31, 2025: Exterior Alterations (Rooftop PV Array). Within a quarter mile, the city has issued 10 more permits since May 1. One is for a new building, 0.24 mi away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Mar 31, 2025 | Alteration or repair | Exterior Alterations (Rooftop PV Array), as per Plans and Documents. Subject to Field Approval. | $31,000 | [RES2025-00414](https://nearbypermits.com/detroit/permit/RES2025-00414/) | ## Within ¼ mi since May 1, 2026 10 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 | |---|---|---|---|---|---|---| | Oct 2, 2026 | [12064 Promenade Ave](https://nearbypermits.com/detroit/address/12064-promenade-ave/) | 540 ft S | Alteration or repair | | $34,284 | [RES2026-03605](https://nearbypermits.com/detroit/permit/RES2026-03605/) | | Jul 7, 2026 | [12150 Rosemary Ave](https://nearbypermits.com/detroit/address/12150-rosemary-ave/) | 430 ft NE | Alteration or repair | | $7,985 | [RES2026-02278](https://nearbypermits.com/detroit/permit/RES2026-02278/) | | Jun 19, 2026 | [8491 E Outer Dr](https://nearbypermits.com/detroit/address/8491-e-outer-dr/) | 340 ft NE | Alteration or repair | | $12,834 | [RES2026-02055](https://nearbypermits.com/detroit/permit/RES2026-02055/) | | Jun 4, 2026 | [12003 Promenade Ave](https://nearbypermits.com/detroit/address/12003-promenade-ave/) | 520 ft S | Alteration or repair | | $35,147 | [RES2026-01841](https://nearbypermits.com/detroit/permit/RES2026-01841/) | | Jun 1, 2026 | [12026 Wilshire Dr](https://nearbypermits.com/detroit/address/12026-wilshire-dr/) | 960 ft S | Alteration or repair | SCOPE OF WORK: Exterior Alterations (Replacement Windows), as per submitted Documents. No change to the size of openings in the Building Thermal Envelope in this RES- Permit. Subject to Field Approval. | $6,609 | [RES2026-01619](https://nearbypermits.com/detroit/permit/RES2026-01619/) | ### Farther (1,000 ft to ¼ mi), 5 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 22, 2026 | [8651 E Outer Dr](https://nearbypermits.com/detroit/address/8651-e-outer-dr/) | 0.22 mi NE | Alteration or repair | | $3,555 | [RES2026-03418](https://nearbypermits.com/detroit/permit/RES2026-03418/) | | Sep 22, 2026 | [12001 Chelsea Ave](https://nearbypermits.com/detroit/address/12001-chelsea-ave/) | 0.23 mi S | Alteration or repair | | $12,070 | [RES2026-03412](https://nearbypermits.com/detroit/permit/RES2026-03412/) | | Aug 16, 2026 | [11986 Wilfred St](https://nearbypermits.com/detroit/address/11986-wilfred-st/) | 0.23 mi NW | Alteration or repair | | $1,938 | [RES2026-02865](https://nearbypermits.com/detroit/permit/RES2026-02865/) | | Jul 18, 2026 | [11986 Wilfred St](https://nearbypermits.com/detroit/address/11986-wilfred-st/) | 0.23 mi NW | Alteration or repair | Exterior alterations (12-windows) per documents. (Subject to Field Approval.) | $15,352 | [RES2026-02298](https://nearbypermits.com/detroit/permit/RES2026-02298/) | | May 11, 2026 | [11820 Gratiot Ave](https://nearbypermits.com/detroit/address/11820-gratiot-ave/) | 0.24 mi NW | New building | Per SLU2025-00067, Construct new 1,749 sq ft, 4-Bay Light Duty Vehicle Service Establishment to Code per plans. Subject to Field Approval. | $150,000 | [BLD2026-00249](https://nearbypermits.com/detroit/permit/BLD2026-00249/) | ## More on this street Other addresses on E Outer Dr with permits, nearest house number first: - [8491 E Outer Dr](https://nearbypermits.com/detroit/address/8491-e-outer-dr/): newest permit Jun 19, 2026 - [8560 E Outer Dr](https://nearbypermits.com/detroit/address/8560-e-outer-dr/): newest permit Apr 11, 2025 - [8630 E Outer Dr](https://nearbypermits.com/detroit/address/8630-e-outer-dr/): newest permit Aug 20, 2025 - [8651 E Outer Dr](https://nearbypermits.com/detroit/address/8651-e-outer-dr/): newest permit Sep 22, 2026 - [8131 E Outer Dr](https://nearbypermits.com/detroit/address/8131-e-outer-dr/): newest permit Jul 22, 2026 - [8961 E Outer Dr](https://nearbypermits.com/detroit/address/8961-e-outer-dr/): newest permit Nov 18, 2024 - [8971 E Outer Dr](https://nearbypermits.com/detroit/address/8971-e-outer-dr/): newest permit Feb 17, 2025 - [9048 E Outer Dr](https://nearbypermits.com/detroit/address/9048-e-outer-dr/): newest permit Oct 7, 2025 - [9099 E Outer Dr](https://nearbypermits.com/detroit/address/9099-e-outer-dr/): newest permit Jul 21, 2026 - [9560 E Outer Dr](https://nearbypermits.com/detroit/address/9560-e-outer-dr/): newest permit Jun 26, 2025 --- Source: Detroit Buildings, Safety Engineering and Environmental Department permit data (https://services2.arcgis.com/qvkbeam7Wirps6zC/arcgis/rest/services/bseed_building_permits/FeatureServer/0). Checked 2026-10-06 11:36 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, the one permit at this address and 10 nearby: https://nearbypermits.com/detroit/address/8421-e-outer-dr/