# Building permits at 3351 Sentinel Dr, Boulder, CO 21 permits on record here. The newest, Nov 26, 2025: Install a 5.04kW grid tied flush roof mounted PV system. 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 | |---|---|---|---|---| | Nov 26, 2025 | Electrical | Install a 5.04kW grid tied flush roof mounted PV system, utilizing (12) REC420W modules | $11,633 | [ELE2025-01105](https://nearbypermits.com/boulder/permit/ELE2025-01105/) | | Oct 7, 2025 | Mechanical (HVAC) | VOID-180 Days no activity 50 GAL 40K BTU WATER HEATER REPLACEMENT - LIKE FOR LIKE All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection process, please provide photographic evidence of the pressure test directly to the assigned inspector | $4,037 | [MEC2025-01659](https://nearbypermits.com/boulder/permit/MEC2025-01659/) | | May 23, 2018 | Mechanical (HVAC) | AC replacement. Installation of new 16 SEER, 3 TON air conditioner for an existing family home. | $6,071 | [MEC2018-00283](https://nearbypermits.com/boulder/permit/MEC2018-00283/) | | Mar 3, 2016 | Mechanical (HVAC) | Installation of 18 SEER, mini split system. Scope of work includes electrical. | $4,731 | [PMT2016-00931-MEC](https://nearbypermits.com/boulder/permit/PMT2016-00931-MEC/) | | Mar 3, 2016 | Electrical | Installation of 18 SEER, mini split system. Scope of work includes electrical. | $500 | [PMT2016-00931-ELE](https://nearbypermits.com/boulder/permit/PMT2016-00931-ELE/) | | Nov 16, 2015 | Demolition | Interior, non-structural demolition to remove in-ground pool in unconditioned sunroom at rear of residence. Pool to be filled and capped with a concrete slab within the existing unconditioned sunroom. | Not listed | [PMT2015-05134-DEM](https://nearbypermits.com/boulder/permit/PMT2015-05134-DEM/) | | Oct 14, 2010 | Mechanical (HVAC) | Replacement Forced Air Furnace | $3,261 | [PMT2010-20353-MEC](https://nearbypermits.com/boulder/permit/PMT2010-20353-MEC/) | | May 20, 2010 | Roofing | Tear-off reroof of SFD, 20 squares on a pitch represented as 4/12 & 7/12. 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. | $3,990 | [PMT2010-01935-RFG](https://nearbypermits.com/boulder/permit/PMT2010-01935-RFG/) | | Jun 17, 2002 | New building | Construction of an attached 52 s.f. enclosure for pool equipment at an existing single-family residence. Owner/builder. | $2,000 | [PMT2002-02146](https://nearbypermits.com/boulder/permit/PMT2002-02146/) | | Apr 8, 2002 | New building | Construct new 10 x 6'-2" x 12' high deck. | $2,000 | [PMT2002-01277](https://nearbypermits.com/boulder/permit/PMT2002-01277/) | | Jan 11, 2002 | Mechanical (HVAC) | Replace forced air furnace. | $2,448 | [PMT2002-00121-MEC](https://nearbypermits.com/boulder/permit/PMT2002-00121-MEC/) | | Oct 19, 2001 | Mechanical (HVAC) | Installing gas piping. | $2,700 | [PMT2001-04549-MEC](https://nearbypermits.com/boulder/permit/PMT2001-04549-MEC/) | | Sep 13, 2001 | Electrical | Addition of 18' x 30' sunroom to a single family detached residence. | $1,100 | [PMT2001-01696-ELE](https://nearbypermits.com/boulder/permit/PMT2001-01696-ELE/) | | Sep 13, 2001 | Addition | Addition of 18' x 30' sunroom to a single family detached residence. | $21,500 | [PMT2001-01696](https://nearbypermits.com/boulder/permit/PMT2001-01696/) | | Sep 12, 2001 | Electrical | Electrical permit to provide power to a permitted pool, and for a service upgrade for a permitted addition (install a larger panel, no change in amps). | $950 | [PMT2001-03962-ELE](https://nearbypermits.com/boulder/permit/PMT2001-03962-ELE/) | | May 8, 2001 | Pool or spa | Install in-ground swimming pool and combination spa (8.5 x 23) in rear yard. Install of pool only-NO mechanical, electrical or plumbing work on this permit. | $18,000 | [PMT2001-01407](https://nearbypermits.com/boulder/permit/PMT2001-01407/) | | Feb 4, 2000 | Mechanical (HVAC) | Replace an existing water heater with a new 50,000 BTU water heater. | $679 | [PMT2000-00532-MEC](https://nearbypermits.com/boulder/permit/PMT2000-00532-MEC/) | | May 7, 1997 | Alteration or repair | Basement finish the original general permit number is 972626. | $8,000 | [PMT1997-02626](https://nearbypermits.com/boulder/permit/PMT1997-02626/) | | Jul 22, 1993 | Addition | Deck the original general permit number is 935166. | $2,000 | [PMT1993-05166](https://nearbypermits.com/boulder/permit/PMT1993-05166/) | | Nov 30, 1990 | Fence, wall or deck | Fence 4 FT cedar fence | $390 | [PMT1990-R5087-FEN](https://nearbypermits.com/boulder/permit/PMT1990-R5087-FEN/) | | Jun 25, 1990 | New building | 1 Dw un. The original general permit number is r1051. | $59,600 | [PMT1990-R1051](https://nearbypermits.com/boulder/permit/PMT1990-R1051/) | ## More on this street Other addresses on Sentinel Dr with permits, nearest house number first: - [3356 Sentinel Dr](https://nearbypermits.com/boulder/address/3356-sentinel-dr/): newest permit May 4, 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 - [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 - [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 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 19:03 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 21 permits at this address: https://nearbypermits.com/boulder/address/3351-sentinel-dr/