# Building permits at 4209 23rd, Denver, CO The biggest project within a quarter mile since May 1: a $20M alteration or repair at 8568 E 49th Ave, permitted Jul 14. One permit here in the last two years. The newest, Jun 27, 2025: New building permit, no description from the city. Within a quarter mile, the city has issued 5 more permits since May 1. Two are for new buildings, the nearest under 10 ft away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Jun 27, 2025 | New building | | $275,879 | [2025-RESCON-0000944](https://nearbypermits.com/denver/permit/2025-RESCON-0000944/) | ## Within ΒΌ mi since May 1, 2026 5 permits in the circle. From our copy of the city's data (last 24 months). ### Next door (under 250 ft), 5 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 9, 2026 | [E Alameda Ave](https://nearbypermits.com/denver/address/e-alameda-ave/) | under 10 ft | Alteration or repair | | $410,000 | [2026-COMMCON-0001097](https://nearbypermits.com/denver/permit/2026-COMMCON-0001097/) | | Aug 6, 2026 | [4775 N Aiport Way](https://nearbypermits.com/denver/address/4775-n-aiport-way/) | under 10 ft | New building | | $1,681,520 | [2023-COMMCON-0000561](https://nearbypermits.com/denver/permit/2023-COMMCON-0000561/) | | Jul 21, 2026 | [4512 8th](https://nearbypermits.com/denver/address/4512-8th/) | under 10 ft | New building | | $274,252 | [2026-RESCON-0000902](https://nearbypermits.com/denver/permit/2026-RESCON-0000902/) | | Jul 14, 2026 | [8568 E 49th Ave](https://nearbypermits.com/denver/address/8568-e-49th-ave/) | under 10 ft | Alteration or repair | | $20,450,000 | [2026-COMMCON-0000202](https://nearbypermits.com/denver/permit/2026-COMMCON-0000202/) | | Jun 15, 2026 | [N Peoria St](https://nearbypermits.com/denver/address/n-peoria-st/) | under 10 ft | Alteration or repair | | $105,000 | [2026-COMMCON-0000418](https://nearbypermits.com/denver/permit/2026-COMMCON-0000418/) | --- Source: Denver Community Planning and Development permit data (https://www.arcgis.com/home/item.html?id=014a873bf7444a658fc2ea0da7ad0704), City of Denver Open Data Catalog, CC BY 3.0 (https://creativecommons.org/licenses/by/3.0/). Checked 2026-10-06 16:37 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, the one permit at this address and 5 nearby: https://nearbypermits.com/denver/address/4209-23rd/