# Building permits at 4475 Laguna Pl 309, Boulder, CO One permit here in the last two years. The newest, Jun 3: Replacement Furnace in unit 309 of multi-family building - no electrical Any electrical work required beyond. 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 | |---|---|---|---|---| | Jun 3, 2026 | Mechanical (HVAC) | Replacement Furnace in unit 309 of multi-family building - no electrical Any electrical work required beyond a like-for-like replacement of equipment will require an electrical permit for inspection of the electrical scope. PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All ne | $5,233 | [MEC2026-00902](https://nearbypermits.com/boulder/permit/MEC2026-00902/) | ## 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 Laguna Pl with permits, nearest house number first: - [4420 Laguna Pl](https://nearbypermits.com/boulder/address/4420-laguna-pl/): newest permit Mar 13, 2026 - [4415 Laguna Pl 207](https://nearbypermits.com/boulder/address/4415-laguna-pl-207/): newest permit Aug 5, 2026 - [4545 Laguna Pl](https://nearbypermits.com/boulder/address/4545-laguna-pl/): newest permit Apr 25, 2025 - [4390 Laguna Pl](https://nearbypermits.com/boulder/address/4390-laguna-pl/): newest permit Mar 13, 2026 - [4595 Laguna Pl](https://nearbypermits.com/boulder/address/4595-laguna-pl/): newest permit Jan 29, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-09 19:45 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ The one permit at this address: https://nearbypermits.com/boulder/address/4475-laguna-pl-309/