# Building permits at 3274 Sentinel Dr, Boulder, CO

Five permits on record here. The newest, Jul 1: 3 ton electric heat pump installation replacing an existing gas furnace. 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 |
|---|---|---|---|---|
| Jul 1, 2026 | Mechanical (HVAC) | 3 ton electric heat pump installation replacing an existing gas furnace. The gas line will be capped at the removed furnace location. Need to disconnect the electrical from the old HVAC and connect it to the new HVAC. PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plas | $18,360 | [MEC2026-01075](https://nearbypermits.com/boulder/permit/MEC2026-01075/) |
| Sep 24, 2013 | Plumbing | Flood restoration/reapir work in basement area -- remove outlets, switches and wiring that was submerged, install replacement devices, install replacement sump pump, standard efficiency water heater and standard efficiency furnace. | $200 | [PMT2013-04813-PLB](https://nearbypermits.com/boulder/permit/PMT2013-04813-PLB/) |
| Sep 24, 2013 | Mechanical (HVAC) | Flood restoration/reapir work in basement area -- remove outlets, switches and wiring that was submerged, install replacement devices, install replacement sump pump, standard efficiency water heater and standard efficiency furnace. | $1,800 | [PMT2013-04813-MEC](https://nearbypermits.com/boulder/permit/PMT2013-04813-MEC/) |
| Sep 24, 2013 | Electrical | Flood restoration/reapir work in basement area -- remove outlets, switches and wiring that was submerged, install replacement devices, install replacement sump pump, standard efficiency water heater and standard efficiency furnace. | $2,500 | [PMT2013-04813-ELE](https://nearbypermits.com/boulder/permit/PMT2013-04813-ELE/) |
| Jan 28, 2004 | Fire systems | Fire Sprinkler System | $4,000 | [PMT2004-00290-FIR](https://nearbypermits.com/boulder/permit/PMT2004-00290-FIR/) |

## More on this street

Other addresses on Sentinel Dr with permits, nearest house number first:

- [3262 Sentinel Dr](https://nearbypermits.com/boulder/address/3262-sentinel-dr/): newest permit Aug 12, 2026
- [3327 Sentinel Dr](https://nearbypermits.com/boulder/address/3327-sentinel-dr/): newest permit Apr 9, 2026
- [3334 Sentinel Dr](https://nearbypermits.com/boulder/address/3334-sentinel-dr/): newest permit Apr 1, 2025
- [3351 Sentinel Dr](https://nearbypermits.com/boulder/address/3351-sentinel-dr/): newest permit Nov 26, 2025
- [3356 Sentinel Dr](https://nearbypermits.com/boulder/address/3356-sentinel-dr/): newest permit May 4, 2026
- [3376 Sentinel Dr](https://nearbypermits.com/boulder/address/3376-sentinel-dr/): newest permit Jun 29, 2026
- [3388 Sentinel Dr](https://nearbypermits.com/boulder/address/3388-sentinel-dr/): newest permit Aug 27, 2026
- [3395 Sentinel Dr](https://nearbypermits.com/boulder/address/3395-sentinel-dr/): newest permit Jan 17, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 02:04 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/3274-sentinel-dr/