# Building permits at 3770 Walnut St, Denver, CO 3925 N Humboldt St: demolition permitted May 30, a new building Aug 13. One permit here in the last two years. The newest, Aug 27, 2025: Alteration or repair permit, no description from the city. Within a quarter mile, the city has issued 12 more permits (10 projects) since May 1. One is for a new building, 810 ft away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Aug 27, 2025 | Alteration or repair | | $100,000 | [2025-COMMCON-0001498](https://nearbypermits.com/denver/permit/2025-COMMCON-0001498/) | ## Within ¼ mi since May 1, 2026 12 permits in the circle. From our copy of the city's data (last 24 months). ### This block (250 to 1,000 ft), 9 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 9, 2026 | [3850 Blake St](https://nearbypermits.com/denver/address/3850-blake-st/) | 590 ft N | Alteration or repair | | Not listed | [2026-COMMCON-0001581](https://nearbypermits.com/denver/permit/2026-COMMCON-0001581/) | | Aug 13, 2026 | [3925 N Humboldt St](https://nearbypermits.com/denver/address/3925-n-humboldt-st/) | 810 ft E | New building | | $386,718 | [2026-RESCON-0000368](https://nearbypermits.com/denver/permit/2026-RESCON-0000368/) | | Aug 3, 2026 | [3900 Blake St](https://nearbypermits.com/denver/address/3900-blake-st/) | 730 ft N | Alteration or repair | | $105,000 | [2026-COMMCON-0001474](https://nearbypermits.com/denver/permit/2026-COMMCON-0001474/) | | Jul 9, 2026 | [3660 Blake St](https://nearbypermits.com/denver/address/3660-blake-st/) | 450 ft W | Alteration or repair | | $504,000 | [2026-COMMCON-0000863](https://nearbypermits.com/denver/permit/2026-COMMCON-0000863/) | | Jun 22, 2026 | [3827 N Lafayette St](https://nearbypermits.com/denver/address/3827-n-lafayette-st/) | 490 ft NE | Alteration or repair | | $22,000 | [2026-COMMCON-0001111](https://nearbypermits.com/denver/permit/2026-COMMCON-0001111/) | | Jun 9, 2026 | [3850 Blake St](https://nearbypermits.com/denver/address/3850-blake-st/) | 590 ft N | Alteration or repair | | Not listed | [2026-COMMCON-0001119](https://nearbypermits.com/denver/permit/2026-COMMCON-0001119/) | | May 15, 2026 | [3850 Blake St](https://nearbypermits.com/denver/address/3850-blake-st/) | 590 ft N | Alteration or repair | | Not listed | [2026-COMMCON-0000834](https://nearbypermits.com/denver/permit/2026-COMMCON-0000834/) | | May 30, 2026 | [3925 N Humboldt St](https://nearbypermits.com/denver/address/3925-n-humboldt-st/) | 810 ft E | Demolition | | $8,000 | [2026-DEMO-0000209](https://nearbypermits.com/denver/permit/2026-DEMO-0000209/) | | May 18, 2026 | [3620 Wazee St](https://nearbypermits.com/denver/address/3620-wazee-st/) | 730 ft W | Demolition | | $115,161 | [2026-DEMO-0000107](https://nearbypermits.com/denver/permit/2026-DEMO-0000107/) | ### Farther (1,000 ft to ¼ mi), 3 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Aug 31, 2026 | [1485 40th St](https://nearbypermits.com/denver/address/1485-40th-st/) | 0.22 mi NE | Alteration or repair | | $11,760 | [2026-COMMCON-0001539](https://nearbypermits.com/denver/permit/2026-COMMCON-0001539/) | | Aug 5, 2026 | [1485 40th St](https://nearbypermits.com/denver/address/1485-40th-st/) | 0.22 mi NE | Alteration or repair | | Not listed | [2026-COMMCON-0001497](https://nearbypermits.com/denver/permit/2026-COMMCON-0001497/) | | Aug 18, 2026 | [3739 Wynkoop St](https://nearbypermits.com/denver/address/3739-wynkoop-st/) | 0.22 mi NW | Alteration or repair | | Not listed | [2026-COMMCON-0001233](https://nearbypermits.com/denver/permit/2026-COMMCON-0001233/) | ## More on this street Other addresses on Walnut St with permits, nearest house number first: - [3875 Walnut St](https://nearbypermits.com/denver/address/3875-walnut-st/): newest permit Apr 23, 2026 - [3463 Walnut St](https://nearbypermits.com/denver/address/3463-walnut-st/): newest permit Feb 17, 2026 - [3440 Walnut St](https://nearbypermits.com/denver/address/3440-walnut-st/): newest permit Jan 29, 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 - [3083 Walnut St](https://nearbypermits.com/denver/address/3083-walnut-st/): newest permit Nov 19, 2024 - [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 16:45 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, the one permit at this address and 12 nearby: https://nearbypermits.com/denver/address/3770-walnut-st/