# Building permits at 4475 Laguna Pl 304, Boulder, CO

Four permits on record here. The newest, Jun 12: Replacement furnace and new electric water heater with associated electrical. 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 12, 2026 | Mechanical (HVAC) | Replacement furnace and new electric water heater with associated electrical. PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection process, please provide photographic | $11,591 | [MEC2026-00966](https://nearbypermits.com/boulder/permit/MEC2026-00966/) |
| Apr 5, 2006 | Mechanical (HVAC) | Addition of 222 sf mezzanine and staircase above existing 2nd level. Addition is inside of existing building envelope. Mezzanine not to be used as bedroom. Also replace furnace and water heater | $9,000 | [PMT2006-00960-MEC](https://nearbypermits.com/boulder/permit/PMT2006-00960-MEC/) |
| Apr 5, 2006 | Electrical | Addition of 222 sf mezzanine and staircase above existing 2nd level. Addition is inside of existing building envelope. Mezzanine not to be used as bedroom. Also replace furnace and water heater | $5,000 | [PMT2006-00960-ELE](https://nearbypermits.com/boulder/permit/PMT2006-00960-ELE/) |
| Apr 5, 2006 | Alteration or repair | Addition of 222 sf mezzanine and staircase above existing 2nd level. Addition is inside of existing building envelope. Mezzanine not to be used as bedroom. Also replace furnace and water heater | $30,000 | [PMT2006-00960](https://nearbypermits.com/boulder/permit/PMT2006-00960/) |

## 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

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-11 01:58 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 4 permits at this address: https://nearbypermits.com/boulder/address/4475-laguna-pl-304/