# Building permits at 3440 Walnut St, Denver, CO Three permits on record here. The newest, Jan 29: Alteration or repair permit, no description from the city. Within a quarter mile, the city has issued 10 more permits (9 projects) since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Jan 29, 2026 | Alteration or repair | | $29,000 | [2025-COMMCON-0002515](https://nearbypermits.com/denver/permit/2025-COMMCON-0002515/) | | Feb 28, 2020 | Alteration or repair | | $15,900 | [2019-COMMCON-0001696](https://nearbypermits.com/denver/permit/2019-COMMCON-0001696/) | | Mar 22, 2017 | Alteration or repair | | $5,000 | [2017-COMMCON-0000905](https://nearbypermits.com/denver/permit/2017-COMMCON-0000905/) | ## 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), 4 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Aug 20, 2026 | [1240 E 35th Ave](https://nearbypermits.com/denver/address/1240-e-35th-ave/) | 920 ft SE | Alteration or repair | | Not listed | [2026-RESCON-0002495](https://nearbypermits.com/denver/permit/2026-RESCON-0002495/) | | Aug 20, 2026 | [1220 E 35th Ave](https://nearbypermits.com/denver/address/1220-e-35th-ave/) | 900 ft SE | Alteration or repair | | Not listed | [2026-RESCON-0002494](https://nearbypermits.com/denver/permit/2026-RESCON-0002494/) | | Jul 21, 2026 | [3300 Blake St](https://nearbypermits.com/denver/address/3300-blake-st/) | 750 ft W | Alteration or repair | | Not listed | [2026-COMMCON-0000545](https://nearbypermits.com/denver/permit/2026-COMMCON-0000545/) | | Jun 11, 2026 | [3377 Blake St](https://nearbypermits.com/denver/address/3377-blake-st/) | 650 ft W | Alteration or repair | | Not listed | [2026-COMMCON-0000822](https://nearbypermits.com/denver/permit/2026-COMMCON-0000822/) | ### Farther (1,000 ft to ¼ mi), 6 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jul 9, 2026 | [3660 Blake St](https://nearbypermits.com/denver/address/3660-blake-st/) | 0.21 mi NE | Alteration or repair | | $504,000 | [2026-COMMCON-0000863](https://nearbypermits.com/denver/permit/2026-COMMCON-0000863/) | | Jul 7, 2026 | [1630 35th St](https://nearbypermits.com/denver/address/1630-35th-st/) | 0.22 mi W | Alteration or repair | | $1,794,908 | [2026-COMMCON-0000327](https://nearbypermits.com/denver/permit/2026-COMMCON-0000327/) | | Jun 29, 2026 | [3200 Larimer St](https://nearbypermits.com/denver/address/3200-larimer-st/) | 0.23 mi SW | Alteration or repair | | Not listed | [2026-COMMCON-0001198](https://nearbypermits.com/denver/permit/2026-COMMCON-0001198/) | | May 18, 2026 | [3200 Larimer St](https://nearbypermits.com/denver/address/3200-larimer-st/) | 0.23 mi SW | Alteration or repair | | $586,320 | [2026-COMMCON-0000130](https://nearbypermits.com/denver/permit/2026-COMMCON-0000130/) | | Jun 4, 2026 | [1201 32nd St](https://nearbypermits.com/denver/address/1201-32nd-st/) | 0.25 mi S | Alteration or repair | | $40,000 | [2026-RESCON-0001700](https://nearbypermits.com/denver/permit/2026-RESCON-0001700/) | | May 18, 2026 | [3620 Wazee St](https://nearbypermits.com/denver/address/3620-wazee-st/) | 0.22 mi N | Demolition | | $115,161 | [2026-DEMO-0000107](https://nearbypermits.com/denver/permit/2026-DEMO-0000107/) | ## More on this street Other addresses on Walnut St with permits, nearest house number first: - [3463 Walnut St](https://nearbypermits.com/denver/address/3463-walnut-st/): newest permit Feb 17, 2026 - [3400 Walnut St](https://nearbypermits.com/denver/address/3400-walnut-st/): newest permit Apr 20, 2026 - [3191 Walnut St](https://nearbypermits.com/denver/address/3191-walnut-st/): newest permit Jan 26, 2026 - [3770 Walnut St](https://nearbypermits.com/denver/address/3770-walnut-st/): newest permit Aug 27, 2025 - [3083 Walnut St](https://nearbypermits.com/denver/address/3083-walnut-st/): newest permit Nov 19, 2024 - [3875 Walnut St](https://nearbypermits.com/denver/address/3875-walnut-st/): newest permit Apr 23, 2026 - [2901 Walnut St](https://nearbypermits.com/denver/address/2901-walnut-st/): newest permit Mar 26, 2026 - [2800 Walnut St](https://nearbypermits.com/denver/address/2800-walnut-st/): newest permit Apr 27, 2026 - [2734 Walnut St](https://nearbypermits.com/denver/address/2734-walnut-st/): newest permit May 13, 2025 - [2710 Walnut St](https://nearbypermits.com/denver/address/2710-walnut-st/): newest permit Sep 16, 2026 --- 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 2026-10-07 18:24 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 3 permits at this address and 10 nearby: https://nearbypermits.com/denver/address/3440-walnut-st/