# Building permits at 640 Poplar Ave, Boulder, CO 11 permits on record here. The newest, Apr 17: Replace 13 SEER, 3 ton AC for townhouse - no electrical Any electrical work required beyond a like-for-like. 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 | |---|---|---|---|---| | Apr 17, 2026 | Mechanical (HVAC) | Replace 13 SEER, 3 ton AC for townhouse - no electrical Any electrical work required beyond a like-for-like replacement of equipment will require an electrical permit for inspection of the electrical scope. PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued v | $2,483 | [MEC2026-00574](https://nearbypermits.com/boulder/permit/MEC2026-00574/) | | Sep 24, 2018 | Mechanical (HVAC) | Voided for not providing the requested revision-resubmit information within 180 days. Installation of a replacement gas fired, 50 gallon water heater with. Install thermal expansion device, service outlet and carbon monoxide detector(s) per code. | $2,608 | [MEC2018-01015](https://nearbypermits.com/boulder/permit/MEC2018-01015/) | | Mar 13, 2017 | Plumbing | Interior, non-structural, remodel of existing, finished basement, 210 sq.ft. Remodel to include relocation of existing bathroom and installing a new shower. Relocating the laundry room and installing new doors on the mechanical room. Associated MEP's covered within the scope of this permit. | $2,500 | [PMT2017-00927-PLB](https://nearbypermits.com/boulder/permit/PMT2017-00927-PLB/) | | Mar 13, 2017 | Mechanical (HVAC) | Interior, non-structural, remodel of existing, finished basement, 210 sq.ft. Remodel to include relocation of existing bathroom and installing a new shower. Relocating the laundry room and installing new doors on the mechanical room. Associated MEP's covered within the scope of this permit. | $500 | [PMT2017-00927-MEC](https://nearbypermits.com/boulder/permit/PMT2017-00927-MEC/) | | Mar 13, 2017 | Electrical | Interior, non-structural, remodel of existing, finished basement, 210 sq.ft. Remodel to include relocation of existing bathroom and installing a new shower. Relocating the laundry room and installing new doors on the mechanical room. Associated MEP's covered within the scope of this permit. | $1,000 | [PMT2017-00927-ELE](https://nearbypermits.com/boulder/permit/PMT2017-00927-ELE/) | | Mar 13, 2017 | Alteration or repair | Interior, non-structural, remodel of existing, finished basement, 210 sq.ft. Remodel to include relocation of existing bathroom and installing a new shower. Relocating the laundry room and installing new doors on the mechanical room. Associated MEP's covered within the scope of this permit. | $11,827 | [PMT2017-00927](https://nearbypermits.com/boulder/permit/PMT2017-00927/) | | Feb 12, 2015 | Alteration or repair | Install a new window in a new opening. Window to be located on the second floor west facing wall. | $1,200 | [PMT2015-00481](https://nearbypermits.com/boulder/permit/PMT2015-00481/) | | Feb 9, 2015 | Alteration or repair | Remodel to existing SFD to lengthen three windows along south of building. | $2,367 | [PMT2015-00409](https://nearbypermits.com/boulder/permit/PMT2015-00409/) | | Mar 25, 2013 | Alteration or repair | Installation of casement window in master bedroom closet on second floor. | $1,000 | [PMT2013-01265](https://nearbypermits.com/boulder/permit/PMT2013-01265/) | | Mar 19, 2009 | Electrical | Installation of new 4.14 kW solar array, flush mounted, gird-tied. | $8,481 | [PMT2009-00925-ELE](https://nearbypermits.com/boulder/permit/PMT2009-00925-ELE/) | | Jul 2, 2007 | Mechanical (HVAC) | Replacement Forced Air Furnace, New Comfort Cooling | $5,778 | [PMT2007-20172-MEC](https://nearbypermits.com/boulder/permit/PMT2007-20172-MEC/) | ## More on this street Other addresses on Poplar Ave with permits, nearest house number first: - [636 Poplar Ave](https://nearbypermits.com/boulder/address/636-poplar-ave/): newest permit Nov 12, 2025 - [650 Poplar Ave](https://nearbypermits.com/boulder/address/650-poplar-ave/): newest permit May 14, 2026 - [665 Poplar Ave](https://nearbypermits.com/boulder/address/665-poplar-ave/): newest permit Apr 27, 2026 - [668 Poplar Ave](https://nearbypermits.com/boulder/address/668-poplar-ave/): newest permit Dec 6, 2024 - [600 Poplar Ave](https://nearbypermits.com/boulder/address/600-poplar-ave/): newest permit May 20, 2025 - [700 Poplar Ave](https://nearbypermits.com/boulder/address/700-poplar-ave/): newest permit Apr 28, 2025 - [760 Poplar Ave](https://nearbypermits.com/boulder/address/760-poplar-ave/): newest permit May 28, 2025 - [777 Poplar Ave 737](https://nearbypermits.com/boulder/address/777-poplar-ave-737/): newest permit Nov 7, 2024 - [790 Poplar Ave](https://nearbypermits.com/boulder/address/790-poplar-ave/): newest permit Oct 2, 2026 - [845 Poplar Ave](https://nearbypermits.com/boulder/address/845-poplar-ave/): newest permit Aug 21, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 01:19 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/640-poplar-ave/