# Building permits at 620 North St, Boulder, CO 18 permits on record here. The newest, Apr 21, 2025: New 4:1 Mitsubishi heat pump system - 48,000 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 21, 2025 | Mechanical (HVAC) | New 4:1 Mitsubishi heat pump system - 48,000 BTU/cooling capacity, 23 SEER, 54,000 high heat, 11.5 HSPF. New electrical circuit for condenser. | $19,467 | [MEC2025-00621](https://nearbypermits.com/boulder/permit/MEC2025-00621/) | | Jul 3, 2024 | Roofing | Total tear-off & reroof of SFD, 21 squares of dimensional shingles on a pitch represented as 6/12. 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 | $7,389 | [RFG2024-00414](https://nearbypermits.com/boulder/permit/RFG2024-00414/) | | Sep 2, 2009 | Fire systems | New Sprinkler System for Shaw OAU | $1,875 | [PMT2009-03275-FIR](https://nearbypermits.com/boulder/permit/PMT2009-03275-FIR/) | | Apr 6, 2009 | Plumbing | Addition over existing garage for approved OAU. Addition is approximately 490 sf and includes kitchen, full bath, closet, and living space. (Easement has already been vacated - ADR2008-00197) | $4,200 | [PMT2009-00612-PLB](https://nearbypermits.com/boulder/permit/PMT2009-00612-PLB/) | | Apr 6, 2009 | Mechanical (HVAC) | Addition over existing garage for approved OAU. Addition is approximately 490 sf and includes kitchen, full bath, closet, and living space. (Easement has already been vacated - ADR2008-00197) | $5,400 | [PMT2009-00612-MEC](https://nearbypermits.com/boulder/permit/PMT2009-00612-MEC/) | | Apr 6, 2009 | Electrical | Addition over existing garage for approved OAU. Addition is approximately 490 sf and includes kitchen, full bath, closet, and living space. (Easement has already been vacated - ADR2008-00197) | $6,000 | [PMT2009-00612-ELE](https://nearbypermits.com/boulder/permit/PMT2009-00612-ELE/) | | Apr 6, 2009 | Addition | Addition over existing garage for approved OAU. Addition is approximately 490 sf and includes kitchen, full bath, closet, and living space. (Easement has already been vacated - ADR2008-00197) | $50,550 | [PMT2009-00612](https://nearbypermits.com/boulder/permit/PMT2009-00612/) | | Oct 2, 2000 | Mechanical (HVAC) | Comfort Cooling | $4,000 | [PMT2000-04065-MEC](https://nearbypermits.com/boulder/permit/PMT2000-04065-MEC/) | | Sep 18, 2000 | Electrical | Construct new detached two car garage (20 x 25) with studio/office above (no plumbing proposed) | $300 | [PMT2000-03435-ELE](https://nearbypermits.com/boulder/permit/PMT2000-03435-ELE/) | | Sep 18, 2000 | New building | Construct new detached two car garage (20 x 25) with studio/office above (no plumbing proposed) | $20,000 | [PMT2000-03435](https://nearbypermits.com/boulder/permit/PMT2000-03435/) | | Dec 7, 1999 | Electrical | Temporary construction power | Not listed | [PMT1999-09760-ELE](https://nearbypermits.com/boulder/permit/PMT1999-09760-ELE/) | | Dec 7, 1999 | Mechanical (HVAC) | Mechanical mechanical for new SFD | $7,500 | [PMT1999-09759-MEC](https://nearbypermits.com/boulder/permit/PMT1999-09759-MEC/) | | Dec 7, 1999 | Plumbing | Plumbing plumbing for new SFD | $6,000 | [PMT1999-09758-PLB](https://nearbypermits.com/boulder/permit/PMT1999-09758-PLB/) | | Dec 7, 1999 | Electrical | Electrical electrical for new SFD | $2,000 | [PMT1999-09757-ELE](https://nearbypermits.com/boulder/permit/PMT1999-09757-ELE/) | | Dec 7, 1999 | Plumbing | New SFD 4 bedroom, 3 bath, unfinished basement, no garage. | $6,000 | [PMT1999-09756-PLB](https://nearbypermits.com/boulder/permit/PMT1999-09756-PLB/) | | Dec 7, 1999 | Mechanical (HVAC) | New SFD 4 bedroom, 3 bath, unfinished basement, no garage. | $7,500 | [PMT1999-09756-MEC](https://nearbypermits.com/boulder/permit/PMT1999-09756-MEC/) | | Dec 7, 1999 | Electrical | New SFD 4 bedroom, 3 bath, unfinished basement, no garage. | $2,000 | [PMT1999-09756-ELE](https://nearbypermits.com/boulder/permit/PMT1999-09756-ELE/) | | Dec 7, 1999 | New building | New SFD 4 bedroom, 3 bath, unfinished basement, no garage. | $160,000 | [PMT1999-09756](https://nearbypermits.com/boulder/permit/PMT1999-09756/) | ## More on this street Other addresses on North St with permits, nearest house number first: - [614 North St](https://nearbypermits.com/boulder/address/614-north-st/): newest permit Nov 12, 2024 - [665 North St](https://nearbypermits.com/boulder/address/665-north-st/): newest permit Oct 2, 2025 - [750 North St](https://nearbypermits.com/boulder/address/750-north-st/): newest permit Mar 27, 2026 - [825 North St](https://nearbypermits.com/boulder/address/825-north-st/): newest permit Aug 3, 2026 - [1349 North St](https://nearbypermits.com/boulder/address/1349-north-st/): newest permit May 13, 2025 - [1419 North St](https://nearbypermits.com/boulder/address/1419-north-st/): newest permit Sep 4, 2026 - [1432 North St](https://nearbypermits.com/boulder/address/1432-north-st/): newest permit Dec 12, 2025 - [1439 North St](https://nearbypermits.com/boulder/address/1439-north-st/): newest permit May 28, 2025 - [1463 North St](https://nearbypermits.com/boulder/address/1463-north-st/): newest permit Mar 13, 2026 - [1472 North St](https://nearbypermits.com/boulder/address/1472-north-st/): newest permit Nov 13, 2024 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 12:03 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 18 permits at this address: https://nearbypermits.com/boulder/address/620-north-st/