# Building permits at 3356 Sentinel Dr, Boulder, CO

Five permits on record here. The newest, May 4: INSTALL REPLACEMENT 99% 70K BTU FURNACE AND REPLACE EXISTING AC W/A NEW 25 SEER 2 TON HEAT PUMP W/RECONNECTS. 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 |
|---|---|---|---|---|
| May 4, 2026 | Mechanical (HVAC) | INSTALL REPLACEMENT 99% 70K BTU FURNACE AND REPLACE EXISTING AC W/A NEW 25 SEER 2 TON HEAT PUMP W/RECONNECTS ON BOTH FURNACE & HEAT PUMP in single family detached dwelling - includes electrical PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel | $23,991 | [MEC2026-00689](https://nearbypermits.com/boulder/permit/MEC2026-00689/) |
| Jun 11, 2024 | Mechanical (HVAC) | *Withdrawn per customer request - letter in file. Refund request submitted.* install replacement 99% 70k btu furnace and 25 SEER 2 ton ac w/RECONNECTS ON BOTH FURNACE AND AC. Electrical included for a standard HVAC installation | $23,991 | [MEC2024-00788](https://nearbypermits.com/boulder/permit/MEC2024-00788/) |
| Aug 30, 2013 | Roofing | Tear-off & reroof of SFD, 21 squares of asphalt shingles on a pitch represented as 5/12. Shingles to comply with ASTM D225 or D3462 and D3161 Class F. Overlay not allowed - see section R907.3 (specifically item 4) of 2006 IRC | $6,052 | [PMT2013-04371-RFG](https://nearbypermits.com/boulder/permit/PMT2013-04371-RFG/) |
| Oct 18, 2011 | Electrical | Installation of a smart-grid wirelesss CT energy hub. | $180 | [PMT2011-04257-ELE](https://nearbypermits.com/boulder/permit/PMT2011-04257-ELE/) |
| Mar 12, 2004 | Mechanical (HVAC) | replace water heater | $450 | [PMT2004-00877-MEC](https://nearbypermits.com/boulder/permit/PMT2004-00877-MEC/) |

## More on this street

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

- [3351 Sentinel Dr](https://nearbypermits.com/boulder/address/3351-sentinel-dr/): newest permit Nov 26, 2025
- [3376 Sentinel Dr](https://nearbypermits.com/boulder/address/3376-sentinel-dr/): newest permit Jun 29, 2026
- [3334 Sentinel Dr](https://nearbypermits.com/boulder/address/3334-sentinel-dr/): newest permit Apr 1, 2025
- [3327 Sentinel Dr](https://nearbypermits.com/boulder/address/3327-sentinel-dr/): newest permit Apr 9, 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
- [3274 Sentinel Dr](https://nearbypermits.com/boulder/address/3274-sentinel-dr/): newest permit Jul 1, 2026
- [3262 Sentinel Dr](https://nearbypermits.com/boulder/address/3262-sentinel-dr/): newest permit Aug 12, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 01:14 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/3356-sentinel-dr/