# Building permits at 1620 Oak Ave, Boulder, CO 10 permits on record here. The newest, Apr 24: Replace 50 gallon NG with new ultra low NoX compliant 50 gallon NG and bring to code PLEASE NOTE: APPLICABLE. 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 24, 2026 | Mechanical (HVAC) | replace 50 gallon NG with new ultra low NoX compliant 50 gallon NG and bring to code 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 process, please provide photo | $3,220 | [MEC2026-00632](https://nearbypermits.com/boulder/permit/MEC2026-00632/) | | Jan 7, 2014 | Plumbing | Add new drain and water lines for clothes washer hookup in basement. No underslab plumbing associated with this permit. | $406 | [PMT2014-00080-PLB](https://nearbypermits.com/boulder/permit/PMT2014-00080-PLB/) | | Oct 24, 2013 | Electrical | Replacement of damaged branch electrical wiring/devices in basement. | $1,400 | [PMT2013-05872-ELE](https://nearbypermits.com/boulder/permit/PMT2013-05872-ELE/) | | Sep 20, 2012 | Mechanical (HVAC) | SFD - Replacement of 50 gallon, 40,000 BTU water heater. | $2,282 | [PMT2012-04577-MEC](https://nearbypermits.com/boulder/permit/PMT2012-04577-MEC/) | | Jun 2, 2006 | Roofing | Total tear-off and reroof of structure, 50 year dimensional, 23 squares, 6/12 pitch. | $3,431 | [PMT2006-01979-RFG](https://nearbypermits.com/boulder/permit/PMT2006-01979-RFG/) | | Jul 13, 2001 | Mechanical (HVAC) | Install new air conditioner and replace forced air furnace. | $5,545 | [PMT2001-02955-MEC](https://nearbypermits.com/boulder/permit/PMT2001-02955-MEC/) | | Jul 13, 2001 | Electrical | Install new air conditioner and replace forced air furnace. | $400 | [PMT2001-02955-ELE](https://nearbypermits.com/boulder/permit/PMT2001-02955-ELE/) | | Jan 3, 1991 | Alteration or repair | Install ADU kitchen the original general permit number is 5640. | $500 | [PMT1991-05640](https://nearbypermits.com/boulder/permit/PMT1991-05640/) | | Oct 10, 1990 | Alteration or repair | Bsmt fnsh. The original general permit number is r3754. | $4,000 | [PMT1990-R3754](https://nearbypermits.com/boulder/permit/PMT1990-R3754/) | | Jan 4, 1988 | New building | 1 Dw un. The original general permit number is m5732. | $83,000 | [PMT1987-M5732](https://nearbypermits.com/boulder/permit/PMT1987-M5732/) | ## More on this street Other addresses on Oak Ave with permits, nearest house number first: - [1552 Oak Ave](https://nearbypermits.com/boulder/address/1552-oak-ave/): newest permit Oct 29, 2024 - [1550 Oak Ave](https://nearbypermits.com/boulder/address/1550-oak-ave/): newest permit Jul 3, 2025 - [1540 Oak Ave](https://nearbypermits.com/boulder/address/1540-oak-ave/): newest permit Jul 14, 2025 - [1534 Oak Ave](https://nearbypermits.com/boulder/address/1534-oak-ave/): newest permit Jan 27, 2025 - [1525 Oak Ave](https://nearbypermits.com/boulder/address/1525-oak-ave/): newest permit Nov 10, 2025 - [1524 Oak Ave](https://nearbypermits.com/boulder/address/1524-oak-ave/): newest permit Sep 23, 2026 - [1516 Oak Ave](https://nearbypermits.com/boulder/address/1516-oak-ave/): newest permit May 29, 2026 - [1510 Oak Ave](https://nearbypermits.com/boulder/address/1510-oak-ave/): newest permit May 29, 2025 - [1740 Oak Ave](https://nearbypermits.com/boulder/address/1740-oak-ave/): newest permit Dec 30, 2025 - [1750 Oak Ave](https://nearbypermits.com/boulder/address/1750-oak-ave/): newest permit Sep 8, 2026 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 16:25 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 10 permits at this address: https://nearbypermits.com/boulder/address/1620-oak-ave/