# Building permits at 900 Crescent Dr, Boulder, CO 11 permits on record here. The newest, Oct 23, 2025: Mid-roof inspection is required if 1) pitch is less than 4/12 or 2) for any roof type other than asphalt. 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 | |---|---|---|---|---| | Oct 23, 2025 | Roofing | Mid-roof inspection is required if 1) pitch is less than 4/12 or 2) for any roof type other than asphalt shingles (regardless of pitch). For roof/attic assemblies requiring 1/150 ventilation, include a calculation detailing the quantity of intake and exhaust vents demonstrating 1/150 venting ratio c | $10,440 | [RFG2025-00846](https://nearbypermits.com/boulder/permit/RFG2025-00846/) | | Sep 29, 2025 | Electrical | Install 4.920 kw grid-tied, roof flush, mounted PV | $11,977 | [ELE2025-00972](https://nearbypermits.com/boulder/permit/ELE2025-00972/) | | Jul 25, 2025 | Mechanical (HVAC) | 2x heat pump replacing air conditioner. Heat pump 1; 19 SEER2 and 3 ton capacity. Heat pump 2; 19 SEER2 and 2 ton capacity. 7/29/25 Revision to include Replace 90k BTU 80% AFUE furnace | $21,980 | [MEC2025-01164](https://nearbypermits.com/boulder/permit/MEC2025-01164/) | | Dec 10, 2018 | Mechanical (HVAC) | *Voided for inactivity due to no inspections performed within 180 days of issuance.*Installation of a replacement gas fired, 50 gallon water heater. Install thermal expansion device, service outlet and carbon monoxide detector(s) per code. | $2,740 | [MEC2018-01540](https://nearbypermits.com/boulder/permit/MEC2018-01540/) | | Sep 5, 2014 | Roofing | Total tear off and re-roof, attached studio on SFD, dimensional shingles, 16 squares, contractor indicates sections with 2/12 pitch, and sections with 6/12 pitch. | $5,379 | [PMT2014-04132-RFG](https://nearbypermits.com/boulder/permit/PMT2014-04132-RFG/) | | Nov 18, 2011 | Mechanical (HVAC) | Replacement Forced Air Furnace | $1,200 | [PMT2011-20316-MEC](https://nearbypermits.com/boulder/permit/PMT2011-20316-MEC/) | | Sep 4, 2003 | Plumbing | Single-story addition (497 s.f.) to add a new bedroom/bathroom area. | $2,600 | [PMT2003-03547-PLB](https://nearbypermits.com/boulder/permit/PMT2003-03547-PLB/) | | Sep 4, 2003 | Mechanical (HVAC) | Single-story addition (497 s.f.) to add a new bedroom/bathroom area. | $2,100 | [PMT2003-03547-MEC](https://nearbypermits.com/boulder/permit/PMT2003-03547-MEC/) | | Sep 4, 2003 | Electrical | Single-story addition (497 s.f.) to add a new bedroom/bathroom area. | $2,000 | [PMT2003-03547-ELE](https://nearbypermits.com/boulder/permit/PMT2003-03547-ELE/) | | Sep 4, 2003 | Addition | Single-story addition (497 s.f.) to add a new bedroom/bathroom area. | $28,000 | [PMT2003-03547](https://nearbypermits.com/boulder/permit/PMT2003-03547/) | | Sep 23, 2002 | Roofing | Re-roof including partial tear-off and installation of 23 squares of dimensional shingles on a 2/12 pitch (double felt). | $3,500 | [PMT2002-04184-RFG](https://nearbypermits.com/boulder/permit/PMT2002-04184-RFG/) | ## More on this street Other addresses on Crescent Dr with permits, nearest house number first: - [911 Crescent Dr](https://nearbypermits.com/boulder/address/911-crescent-dr/): newest permit Nov 13, 2024 - [921 Crescent Dr](https://nearbypermits.com/boulder/address/921-crescent-dr/): newest permit Jul 23, 2026 - [871 Crescent Dr](https://nearbypermits.com/boulder/address/871-crescent-dr/): newest permit Aug 3, 2026 - [941 Crescent Dr](https://nearbypermits.com/boulder/address/941-crescent-dr/): newest permit Jul 11, 2025 - [951 Crescent Dr](https://nearbypermits.com/boulder/address/951-crescent-dr/): newest permit Sep 28, 2026 - [831 Crescent Dr](https://nearbypermits.com/boulder/address/831-crescent-dr/): newest permit Aug 15, 2025 - [811 Crescent Dr](https://nearbypermits.com/boulder/address/811-crescent-dr/): newest permit Mar 25, 2026 - [740 Crescent Dr](https://nearbypermits.com/boulder/address/740-crescent-dr/): newest permit May 12, 2025 - [701 Crescent Dr](https://nearbypermits.com/boulder/address/701-crescent-dr/): newest permit Sep 10, 2026 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 11:32 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 11 permits at this address: https://nearbypermits.com/boulder/address/900-crescent-dr/