# Building permits at 4851 Darwin Ct, Boulder, CO 10 permits on record here. The newest, Oct 7, 2025: Replace existing furnace with Rheem R951T0703A17M4SNAS 95% efficient furnace All new plastic glued vents for. 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 7, 2025 | Mechanical (HVAC) | Replace existing furnace with Rheem R951T0703A17M4SNAS 95% efficient furnace 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 on th | $8,935 | [MEC2025-01661](https://nearbypermits.com/boulder/permit/MEC2025-01661/) | | Dec 10, 2014 | Fence, wall or deck | Construction of 95LF, six-foot tall cedar fence. | $1,400 | [PMT2014-05505-FEN](https://nearbypermits.com/boulder/permit/PMT2014-05505-FEN/) | | Nov 3, 2011 | Roofing | Tear-off & reroof of SFD, 30 squares on a pitch represented as 10/12. 1 square of modified bituminous on a low slope area. No overlay allowed, approved per the 2006 IRC and 1981 BRC as amended. Shingles to comply with ASTM D 225 or 3462 and ASTM D 3161 class F. | $9,091 | [PMT2011-04824-RFG](https://nearbypermits.com/boulder/permit/PMT2011-04824-RFG/) | | Nov 12, 2008 | Mechanical (HVAC) | Replacement Forced Air Furnace | $1,600 | [PMT2008-20265-MEC](https://nearbypermits.com/boulder/permit/PMT2008-20265-MEC/) | | Sep 15, 2004 | Addition | Construction of a new 280 s.f. uncovered exterior deck (less than 30" a.f.g.). | $6,762 | [PMT2004-03607](https://nearbypermits.com/boulder/permit/PMT2004-03607/) | | Nov 8, 2002 | Electrical | Electrical panal board change to 125 amp. | $1,200 | [PMT2002-04846-ELE](https://nearbypermits.com/boulder/permit/PMT2002-04846-ELE/) | | Mar 18, 2002 | Plumbing | 460 square foot basement finish. No green points or energy code requirements. | $200 | [PMT2002-00957-PLB](https://nearbypermits.com/boulder/permit/PMT2002-00957-PLB/) | | Mar 18, 2002 | Mechanical (HVAC) | 460 square foot basement finish. No green points or energy code requirements. | $100 | [PMT2002-00957-MEC](https://nearbypermits.com/boulder/permit/PMT2002-00957-MEC/) | | Mar 18, 2002 | Electrical | 460 square foot basement finish. No green points or energy code requirements. | $500 | [PMT2002-00957-ELE](https://nearbypermits.com/boulder/permit/PMT2002-00957-ELE/) | | Mar 18, 2002 | Alteration or repair | 460 square foot basement finish. No green points or energy code requirements. | $1,800 | [PMT2002-00957](https://nearbypermits.com/boulder/permit/PMT2002-00957/) | ## More on this street Other addresses on Darwin Ct with permits, nearest house number first: - [4852 Darwin Ct](https://nearbypermits.com/boulder/address/4852-darwin-ct/): newest permit Sep 23, 2025 - [4865 Darwin Ct](https://nearbypermits.com/boulder/address/4865-darwin-ct/): newest permit Jun 20, 2025 - [4869 Darwin Ct](https://nearbypermits.com/boulder/address/4869-darwin-ct/): newest permit Dec 4, 2025 - [4871 Darwin Ct](https://nearbypermits.com/boulder/address/4871-darwin-ct/): newest permit Jul 2, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 02:16 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 10 permits at this address: https://nearbypermits.com/boulder/address/4851-darwin-ct/