# Building permits at 401 Kalmia Ave, Boulder, CO

Five permits on record here. The newest, Apr 22, 2025: Replace two boilers - two new condensing boilers (150MBH/95% AFUE each) piped in series. 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 22, 2025 | Mechanical (HVAC) | Replace two boilers - two new condensing boilers (150MBH/95% AFUE each) piped in series | $57,292 | [MEC2025-00622](https://nearbypermits.com/boulder/permit/MEC2025-00622/) |
| Jun 18, 2001 | Plumbing | New two story single family residence with attached three car garage. Reference demolition permit PMT2001-01629.(four bedrooms, 5 full baths and 2 half baths) PUD | $36,800 | [PMT2001-01630-PLB](https://nearbypermits.com/boulder/permit/PMT2001-01630-PLB/) |
| Jun 18, 2001 | Mechanical (HVAC) | New two story single family residence with attached three car garage. Reference demolition permit PMT2001-01629.(four bedrooms, 5 full baths and 2 half baths) PUD | $39,200 | [PMT2001-01630-MEC](https://nearbypermits.com/boulder/permit/PMT2001-01630-MEC/) |
| Jun 18, 2001 | Electrical | New two story single family residence with attached three car garage. Reference demolition permit PMT2001-01629.(four bedrooms, 5 full baths and 2 half baths) PUD | $14,400 | [PMT2001-01630-ELE](https://nearbypermits.com/boulder/permit/PMT2001-01630-ELE/) |
| Jun 18, 2001 | New building | New two story single family residence with attached three car garage. Reference demolition permit PMT2001-01629.(four bedrooms, 5 full baths and 2 half baths) PUD | $1,100,000 | [PMT2001-01630](https://nearbypermits.com/boulder/permit/PMT2001-01630/) |

## 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 Kalmia Ave with permits, nearest house number first:

- [500 Kalmia Ave](https://nearbypermits.com/boulder/address/500-kalmia-ave/): newest permit Sep 2, 2026
- [601 Kalmia Ave](https://nearbypermits.com/boulder/address/601-kalmia-ave/): newest permit Oct 21, 2025
- [663 Kalmia Ave](https://nearbypermits.com/boulder/address/663-kalmia-ave/): newest permit Jun 12, 2025
- [700 Kalmia Ave](https://nearbypermits.com/boulder/address/700-kalmia-ave/): newest permit Dec 3, 2024
- [701 Kalmia Ave](https://nearbypermits.com/boulder/address/701-kalmia-ave/): newest permit Aug 11, 2026
- [714 Kalmia Ave](https://nearbypermits.com/boulder/address/714-kalmia-ave/): newest permit Jun 9, 2026
- [1035 Kalmia Ave](https://nearbypermits.com/boulder/address/1035-kalmia-ave/): newest permit Feb 11, 2026
- [1037 Kalmia Ave](https://nearbypermits.com/boulder/address/1037-kalmia-ave/): newest permit Mar 26, 2025
- [1068 Kalmia Ave](https://nearbypermits.com/boulder/address/1068-kalmia-ave/): newest permit Mar 19, 2025
- [1110 Kalmia Ave](https://nearbypermits.com/boulder/address/1110-kalmia-ave/): newest permit Mar 30, 2026

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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 00:35 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 5 permits at this address: https://nearbypermits.com/boulder/address/401-kalmia-ave/