# Building permits at 501 Pleasant St, Boulder, CO 21 permits on record here. The newest, Apr 25, 2025: New Mitsubishi heat pump system - 12,000 BTU/cooling capacity. 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 25, 2025 | Mechanical (HVAC) | New Mitsubishi heat pump system - 12,000 BTU/cooling capacity, 26.3 SEER, 12,300 high heat, 11.1 HSPF. New electrical circuit for condenser. Length of circuit approx 40ft. Install tandem breaker in basement sub panel (fed by 100amps). Run wire through basement, poke out near radon fan, run conduit d | $5,880 | [MEC2025-00648](https://nearbypermits.com/boulder/permit/MEC2025-00648/) | | Apr 27, 2022 | Mechanical (HVAC) | New Mitsubishi heat pump Electrical work done ELE2022-00643 | $11,436 | [MEC2022-00792](https://nearbypermits.com/boulder/permit/MEC2022-00792/) | | Apr 27, 2022 | Electrical | Please reference permit # MEC2022-00792 | $300 | [ELE2022-00643](https://nearbypermits.com/boulder/permit/ELE2022-00643/) | | Sep 24, 2018 | Mechanical (HVAC) | Permit for the installation of a gas fireplace insert in the existing location of a wood burning fireplace in a single family dwelling. | $1,120 | [MEC2018-01063](https://nearbypermits.com/boulder/permit/MEC2018-01063/) | | Aug 19, 2008 | Fence, wall or deck | Installation of a semi-circular retaining wall approx.16 linear feet over an approx. 10 diameter & rangingin height from 3.5.' to 5 feet. See attached engineer's letter for structural specifics. | $2,000 | [PMT2008-03600-FEN](https://nearbypermits.com/boulder/permit/PMT2008-03600-FEN/) | | Aug 4, 2008 | Mechanical (HVAC) | Gas line for future gas cooking bbq on exterior of property.Add gfi for pump for fountain | $300 | [PMT2008-03320-MEC](https://nearbypermits.com/boulder/permit/PMT2008-03320-MEC/) | | Aug 4, 2008 | Electrical | Gas line for future gas cooking bbq on exterior of property.Add gfi for pump for fountain | Not listed | [PMT2008-03320-ELE](https://nearbypermits.com/boulder/permit/PMT2008-03320-ELE/) | | Aug 5, 2005 | Electrical | New hot tub. and fence deck area.. Tub is 6'-8"x 7'9" | Not listed | [PMT2005-03082-ELE](https://nearbypermits.com/boulder/permit/PMT2005-03082-ELE/) | | Aug 5, 2005 | Alteration or repair | New hot tub. and fence deck area.. Tub is 6'-8"x 7'9" | $4,000 | [PMT2005-03082](https://nearbypermits.com/boulder/permit/PMT2005-03082/) | | Sep 11, 2002 | Plumbing | Addition of a studio (312 s.f.) and half-bathroom to an existing accessory structure at an existing single-family residence. | $3,200 | [PMT2002-03211-PLB](https://nearbypermits.com/boulder/permit/PMT2002-03211-PLB/) | | Sep 11, 2002 | Mechanical (HVAC) | Addition of a studio (312 s.f.) and half-bathroom to an existing accessory structure at an existing single-family residence. | $1,500 | [PMT2002-03211-MEC](https://nearbypermits.com/boulder/permit/PMT2002-03211-MEC/) | | Sep 11, 2002 | Electrical | Addition of a studio (312 s.f.) and half-bathroom to an existing accessory structure at an existing single-family residence. | $1,800 | [PMT2002-03211-ELE](https://nearbypermits.com/boulder/permit/PMT2002-03211-ELE/) | | Sep 11, 2002 | Addition | Addition of a studio (312 s.f.) and half-bathroom to an existing accessory structure at an existing single-family residence. | $33,000 | [PMT2002-03211](https://nearbypermits.com/boulder/permit/PMT2002-03211/) | | Jun 7, 2002 | Plumbing | 1,258 square foot addition, including a new porch, to a single family detached dwelling. This work includes a new 94% efficient boiler, and radiant heating. | $5,400 | [PMT2002-01887-PLB](https://nearbypermits.com/boulder/permit/PMT2002-01887-PLB/) | | Jun 7, 2002 | Mechanical (HVAC) | 1,258 square foot addition, including a new porch, to a single family detached dwelling. This work includes a new 94% efficient boiler, and radiant heating. | $3,250 | [PMT2002-01887-MEC](https://nearbypermits.com/boulder/permit/PMT2002-01887-MEC/) | | Jun 7, 2002 | Electrical | 1,258 square foot addition, including a new porch, to a single family detached dwelling. This work includes a new 94% efficient boiler, and radiant heating. | Not listed | [PMT2002-01887-ELE](https://nearbypermits.com/boulder/permit/PMT2002-01887-ELE/) | | Jun 7, 2002 | Addition | 1,258 square foot addition, including a new porch, to a single family detached dwelling. This work includes a new 94% efficient boiler, and radiant heating. | $250,000 | [PMT2002-01887](https://nearbypermits.com/boulder/permit/PMT2002-01887/) | | May 21, 2002 | Electrical | 200 square foot attached garage to existing 2-story single family. | $500 | [PMT2002-01657-ELE](https://nearbypermits.com/boulder/permit/PMT2002-01657-ELE/) | | May 21, 2002 | New building | 200 square foot attached garage to existing 2-story single family. | $15,500 | [PMT2002-01657](https://nearbypermits.com/boulder/permit/PMT2002-01657/) | | Oct 10, 1989 | Mechanical (HVAC) | Mechanical replace f a furnace | $735 | [PMT1989-P6057-MEC](https://nearbypermits.com/boulder/permit/PMT1989-P6057-MEC/) | | Jun 30, 1988 | Fence, wall or deck | Fence 5 foot -7 foot wood fence | $745 | [PMT1988-M9361-FEN](https://nearbypermits.com/boulder/permit/PMT1988-M9361-FEN/) | ## Zoning requests nearby We don't list zoning cases for Boulder yet. Look them up on the city's Board of Zoning Adjustment page: https://bouldercolorado.gov/government/board-commission/board-zoning-adjustment ## More on this street Other addresses on Pleasant St with permits, nearest house number first: - [535 Pleasant St](https://nearbypermits.com/boulder/address/535-pleasant-st/): newest permit Dec 26, 2024 - [560 Pleasant St](https://nearbypermits.com/boulder/address/560-pleasant-st/): newest permit Jul 10, 2026 - [580 Pleasant St](https://nearbypermits.com/boulder/address/580-pleasant-st/): newest permit Oct 5, 2026 - [638 Pleasant St](https://nearbypermits.com/boulder/address/638-pleasant-st/): newest permit May 20, 2026 - [654 Pleasant St](https://nearbypermits.com/boulder/address/654-pleasant-st/): newest permit Jul 1, 2025 - [655 Pleasant St](https://nearbypermits.com/boulder/address/655-pleasant-st/): newest permit Sep 2, 2026 - [658 Pleasant St](https://nearbypermits.com/boulder/address/658-pleasant-st/): newest permit Feb 27, 2026 - [704 Pleasant St](https://nearbypermits.com/boulder/address/704-pleasant-st/): newest permit Oct 10, 2024 - [755 Pleasant St](https://nearbypermits.com/boulder/address/755-pleasant-st/): newest permit Oct 8, 2024 - [911 Pleasant St](https://nearbypermits.com/boulder/address/911-pleasant-st/): newest permit May 20, 2026 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-09 08:41 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/501-pleasant-st/