# Building permits at 505 S 46th St, Boulder, CO 12 permits on record here. The newest, Dec 11, 2025: Interior-only alteration of existing dwelling to incorporate attached accessory dwelling unit in lower level. 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 | |---|---|---|---|---| | Dec 11, 2025 | Alteration or repair | Interior-only alteration of existing dwelling to incorporate attached accessory dwelling unit in lower level. Includes new range, refrigerator, microwave, and cabinets for kitchen, and associated electrical upgrades. No envelope changes proposed. | $10,376 | [BLD-SFD2025-00364](https://nearbypermits.com/boulder/permit/BLD-SFD2025-00364/) | | Jul 29, 2021 | Roofing | *Total tear-off & reroof of SFD, 19 squares of three tab shingles on a pitch represented as 4/12. 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 wi | $7,125 | [RFG2021-00390](https://nearbypermits.com/boulder/permit/RFG2021-00390/) | | Apr 21, 2021 | Roofing | *Total tear-off & reroof of SFD, 19 squares of dimensional shingles on a pitch represented as 4/12. 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 | $8,550 | [RFG2021-00153](https://nearbypermits.com/boulder/permit/RFG2021-00153/) | | May 30, 2019 | Alteration or repair | Installation of three egress windows for two basement bedrooms and one basement recreation room (east and west elevations of the home). See engineer's letter for specifications. No MEPs under this scope. | $9,000 | [BLD-SFD2019-00250](https://nearbypermits.com/boulder/permit/BLD-SFD2019-00250/) | | Jul 11, 2012 | Mechanical (HVAC) | Replace forced air furnace and air conditioner in residence. | $6,143 | [PMT2012-03331-MEC](https://nearbypermits.com/boulder/permit/PMT2012-03331-MEC/) | | Jul 6, 2011 | Mechanical (HVAC) | Replace hot water heater in single-family residence. | $945 | [PMT2011-02832-MEC](https://nearbypermits.com/boulder/permit/PMT2011-02832-MEC/) | | Jul 13, 2009 | Roofing | Remove existing shingles and re-roof single-family residence with dimensional shingles, 17 squares, pitch represented by contractor to be 4:12. | $2,727 | [PMT2009-02663-RFG](https://nearbypermits.com/boulder/permit/PMT2009-02663-RFG/) | | Nov 9, 2006 | Plumbing | Electrical, mechanical, and plumbing permit for kitchen remodel. No wall changes, no new plumbing fixtures. | $750 | [PMT2006-04843-PLB](https://nearbypermits.com/boulder/permit/PMT2006-04843-PLB/) | | Nov 9, 2006 | Mechanical (HVAC) | Electrical, mechanical, and plumbing permit for kitchen remodel. No wall changes, no new plumbing fixtures. | $310 | [PMT2006-04843-MEC](https://nearbypermits.com/boulder/permit/PMT2006-04843-MEC/) | | Nov 9, 2006 | Electrical | Electrical, mechanical, and plumbing permit for kitchen remodel. No wall changes, no new plumbing fixtures. | $894 | [PMT2006-04843-ELE](https://nearbypermits.com/boulder/permit/PMT2006-04843-ELE/) | | Sep 14, 2006 | Alteration or repair | Installation of approximately 400 sf of vinyl siding, w/ 155 ft of soffit and 178 ft of fascia. | $3,282 | [PMT2006-03907-SDG](https://nearbypermits.com/boulder/permit/PMT2006-03907-SDG/) | | Jul 31, 2001 | Mechanical (HVAC) | Installing a water heater. | $300 | [PMT2001-03091-MEC](https://nearbypermits.com/boulder/permit/PMT2001-03091-MEC/) | ## 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 46th St with permits, nearest house number first: - [515 S 46th St](https://nearbypermits.com/boulder/address/515-s-46th-st/): newest permit Oct 29, 2025 - [530 S 46th St](https://nearbypermits.com/boulder/address/530-s-46th-st/): newest permit Nov 6, 2025 - [540 S 46th St](https://nearbypermits.com/boulder/address/540-s-46th-st/): newest permit Dec 17, 2024 - [615 S 46th St](https://nearbypermits.com/boulder/address/615-s-46th-st/): newest permit Oct 16, 2024 - [625 S 46th St](https://nearbypermits.com/boulder/address/625-s-46th-st/): newest permit Sep 16, 2025 - [635 S 46th St](https://nearbypermits.com/boulder/address/635-s-46th-st/): newest permit Aug 3, 2026 - [640 S 46th St](https://nearbypermits.com/boulder/address/640-s-46th-st/): newest permit Jul 24, 2025 - [650 S 46th St](https://nearbypermits.com/boulder/address/650-s-46th-st/): newest permit Sep 8, 2026 - [660 S 46th St](https://nearbypermits.com/boulder/address/660-s-46th-st/): newest permit Feb 20, 2026 - [720 S 46th St](https://nearbypermits.com/boulder/address/720-s-46th-st/): newest permit Aug 4, 2025 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 23:16 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 12 permits at this address: https://nearbypermits.com/boulder/address/505-s-46th-st/