# Building permits at 545 S 42nd St, Boulder, CO 15 permits on record here. The newest, Sep 1: *withdrawn by contractor* Replacement furnace. 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 ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Sep 1, 2026 | Mechanical (HVAC) | *withdrawn by contractor* Replacement furnace, bypass humidifier, and new heat pump with associated electrical. PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection pr | $19,494 | [MEC2026-01590](https://nearbypermits.com/boulder/permit/MEC2026-01590/) | | Apr 27, 2023 | Roofing | Total tear-off & reroof of SFD, 18 squares of dimensional shingles on a pitch represented as 5/12. All roof materials shall be installed per manufacturer?s specs. Mid-roof inspection required if pitch is less than 4/12. All roof covering materials shall be listed as Class A as tested in accordance w | $8,100 | [RFG2023-00140](https://nearbypermits.com/boulder/permit/RFG2023-00140/) | | Aug 3, 2009 | Fence, wall or deck | Installation of 6 foot high cedar privacy fence, 212 feet in length in rear of property. | $4,000 | [PMT2009-02999-FEN](https://nearbypermits.com/boulder/permit/PMT2009-02999-FEN/) | | Jul 24, 2008 | Electrical | Finish portion nof basement in SFD. Add egress window. Cut is vertical only. New wall between laundry and furnace. No structural or plumbing. | $200 | [PMT2007-00388-ELE](https://nearbypermits.com/boulder/permit/PMT2007-00388-ELE/) | | Jul 24, 2008 | Alteration or repair | Finish portion nof basement in SFD. Add egress window. Cut is vertical only. New wall between laundry and furnace. No structural or plumbing. | $700 | [PMT2007-00388](https://nearbypermits.com/boulder/permit/PMT2007-00388/) | | May 18, 2007 | Electrical | Add covered porch in setback per ordinance. 50 SF | $100 | [PMT2007-01955-ELE](https://nearbypermits.com/boulder/permit/PMT2007-01955-ELE/) | | May 18, 2007 | New building | Add covered porch in setback per ordinance. 50 SF | $1,148 | [PMT2007-01955](https://nearbypermits.com/boulder/permit/PMT2007-01955/) | | Apr 30, 2007 | Roofing | Roofing Permit for total tear off and overlay of 18 squares of dimensional shingles at a 4:12 slope | $3,000 | [PMT2007-01612-RFG](https://nearbypermits.com/boulder/permit/PMT2007-01612-RFG/) | | Jan 16, 2007 | Electrical | Electrical permit for service change to 200 amps. | $1,000 | [PMT2007-00155-ELE](https://nearbypermits.com/boulder/permit/PMT2007-00155-ELE/) | | Jan 2, 2007 | Plumbing | Remodel of existing bathrooms to add shower and reconfigure space. Includes moving kitchen wall, reconfiguring closets and changing furnace vent. | $1,500 | [PMT2007-00006-PLB](https://nearbypermits.com/boulder/permit/PMT2007-00006-PLB/) | | Jan 2, 2007 | Mechanical (HVAC) | Remodel of existing bathrooms to add shower and reconfigure space. Includes moving kitchen wall, reconfiguring closets and changing furnace vent. | $500 | [PMT2007-00006-MEC](https://nearbypermits.com/boulder/permit/PMT2007-00006-MEC/) | | Jan 2, 2007 | Electrical | Remodel of existing bathrooms to add shower and reconfigure space. Includes moving kitchen wall, reconfiguring closets and changing furnace vent. | $500 | [PMT2007-00006-ELE](https://nearbypermits.com/boulder/permit/PMT2007-00006-ELE/) | | Jan 2, 2007 | Alteration or repair | Remodel of existing bathrooms to add shower and reconfigure space. Includes moving kitchen wall, reconfiguring closets and changing furnace vent. | $2,900 | [PMT2007-00006](https://nearbypermits.com/boulder/permit/PMT2007-00006/) | | Jun 12, 1989 | Plumbing | Plumbing vacuum breaker | $180 | [PMT1989-P3143-PLB](https://nearbypermits.com/boulder/permit/PMT1989-P3143-PLB/) | | Feb 8, 1989 | Alteration or repair | Remodel. The original general permit number is p0566. | $1,055 | [PMT1989-P0566](https://nearbypermits.com/boulder/permit/PMT1989-P0566/) | ## 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 S 42nd St with permits, nearest house number first: - [550 S 42nd St](https://nearbypermits.com/boulder/address/550-s-42nd-st/): newest permit Jun 22, 2026 - [540 S 42nd St](https://nearbypermits.com/boulder/address/540-s-42nd-st/): newest permit Sep 4, 2026 - [530 S 42nd St](https://nearbypermits.com/boulder/address/530-s-42nd-st/): newest permit Mar 17, 2026 - [520 S 42nd St](https://nearbypermits.com/boulder/address/520-s-42nd-st/): newest permit May 14, 2026 - [615 S 42nd St](https://nearbypermits.com/boulder/address/615-s-42nd-st/): newest permit Jan 22, 2026 - [620 S 42nd St](https://nearbypermits.com/boulder/address/620-s-42nd-st/): newest permit Aug 6, 2026 - [640 S 42nd St](https://nearbypermits.com/boulder/address/640-s-42nd-st/): newest permit Aug 5, 2026 - [645 S 42nd St](https://nearbypermits.com/boulder/address/645-s-42nd-st/): newest permit Jun 12, 2025 - [655 S 42nd St](https://nearbypermits.com/boulder/address/655-s-42nd-st/): newest permit Mar 20, 2025 - [430 S 42nd St](https://nearbypermits.com/boulder/address/430-s-42nd-st/): newest permit May 22, 2026 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-09 15:59 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 15 permits at this address: https://nearbypermits.com/boulder/address/545-s-42nd-st/