# Building permits at 600 Hawthorn Ave, Boulder, CO 600 Hawthorn Ave: demolition permitted May 5, 2025, a new building Apr 30. Three permits here in the last two years. The newest, Apr 30: New two-story single family home that includes a full finished basement. Boulder publishes permits without map coordinates, so this address has no map and no quarter-mile list. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Apr 30, 2026 | New building | New two-story single family home that includes a full finished basement. Total of 5 bedrooms, 6.5 bathrooms, and 1 roughed in bathroom. Basement (1,779 sf) includes storage, a roughed in bathroom, rec. room, exercise room and full bathroom. First floor (2,325 sf) includes dining room, kitchen, livin | $1,500,000 | [BLD-SFD2026-00045](https://nearbypermits.com/boulder/permit/BLD-SFD2026-00045/) | | May 5, 2025 | Demolition | Demolition of Garage of approximately 430 sq feet. Main dwelling structure deconstruction permitted under DEM2025-00010. | Not listed | [DEM2025-00027](https://nearbypermits.com/boulder/permit/DEM2025-00027/) | | Apr 10, 2025 | Demolition | Demolition, transportation, recycling, and disposal of an existing residential home of approximately 4,508 square feet. Located at 600 Hawthorn Ave, Boulder, CO. *A separate demolition permit is required for the detached garage.* | Not listed | [DEM2025-00010](https://nearbypermits.com/boulder/permit/DEM2025-00010/) | ## Zoning requests nearby We don't list zoning cases for Boulder yet. Look them up on the city's Board of Zoning Adjustment page: https://bouldercolorado.gov/government/board-commission/board-zoning-adjustment ## More on this street Other addresses on Hawthorn Ave with permits, nearest house number first: - [605 Hawthorn Ave](https://nearbypermits.com/boulder/address/605-hawthorn-ave/): newest permit Sep 10, 2026 - [625 Hawthorn Ave](https://nearbypermits.com/boulder/address/625-hawthorn-ave/): newest permit Feb 19, 2026 - [650 Hawthorn Ave](https://nearbypermits.com/boulder/address/650-hawthorn-ave/): newest permit May 18, 2026 - [535 Hawthorn Ave](https://nearbypermits.com/boulder/address/535-hawthorn-ave/): newest permit Jun 24, 2026 - [512 Hawthorn Ave](https://nearbypermits.com/boulder/address/512-hawthorn-ave/): newest permit May 21, 2025 - [700 Hawthorn Ave](https://nearbypermits.com/boulder/address/700-hawthorn-ave/): newest permit Apr 8, 2026 - [701 Hawthorn Ave](https://nearbypermits.com/boulder/address/701-hawthorn-ave/): newest permit Mar 5, 2026 - [462 Hawthorn Ave](https://nearbypermits.com/boulder/address/462-hawthorn-ave/): newest permit Oct 8, 2025 - [740 Hawthorn Ave](https://nearbypermits.com/boulder/address/740-hawthorn-ave/): newest permit Jun 16, 2026 - [755 Hawthorn Ave](https://nearbypermits.com/boulder/address/755-hawthorn-ave/): newest permit Aug 20, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-17 05:40 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 3 permits at this address: https://nearbypermits.com/boulder/address/600-hawthorn-ave/