# Building permits at 1740 Sumac Ave, Boulder, CO 11 permits on record here. The newest, Jun 15: Installation of one Tesla Powerwall 3 energy storage system and one Tesla DC Expansion Pack. 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 | |---|---|---|---|---| | Jun 15, 2026 | Electrical | Installation of one Tesla Powerwall 3 energy storage system and one Tesla DC Expansion Pack | $16,435 | [ELE2026-00562](https://nearbypermits.com/boulder/permit/ELE2026-00562/) | | Mar 6, 2024 | Mechanical (HVAC) | 2 new Mitsubishi Mini Split systems 12,000 BTU | $4,846 | [MEC2024-00315](https://nearbypermits.com/boulder/permit/MEC2024-00315/) | | Aug 24, 2023 | Electrical | Installation of a grid-tied, tilt mount 9.315 kW PV solar system. Will also be upgrading main electrical service with a 225/200A MSP. | $29,286 | [ELE2023-00874](https://nearbypermits.com/boulder/permit/ELE2023-00874/) | | Apr 8, 2003 | Mechanical (HVAC) | New 8,500 BTU comfort cooling unit. | $1,765 | [PMT2003-01214-MEC](https://nearbypermits.com/boulder/permit/PMT2003-01214-MEC/) | | Apr 8, 2003 | Electrical | New 8,500 BTU comfort cooling unit. | $563 | [PMT2003-01214-ELE](https://nearbypermits.com/boulder/permit/PMT2003-01214-ELE/) | | Jun 26, 2002 | Mechanical (HVAC) | Installation of residential comfort cooling (16k BTU). | $2,381 | [PMT2002-02693-MEC](https://nearbypermits.com/boulder/permit/PMT2002-02693-MEC/) | | Jun 26, 2002 | Electrical | Installation of residential comfort cooling (16k BTU). | $250 | [PMT2002-02693-ELE](https://nearbypermits.com/boulder/permit/PMT2002-02693-ELE/) | | Mar 23, 2000 | Plumbing | New 2505 square feet Detached Single Family Dwelling with one bedroom, study, two bath, and 1365 square foot unfinished walkout basement with no garage. | $5,000 | [PMT1999-10783-PLB](https://nearbypermits.com/boulder/permit/PMT1999-10783-PLB/) | | Mar 23, 2000 | Mechanical (HVAC) | New 2505 square feet Detached Single Family Dwelling with one bedroom, study, two bath, and 1365 square foot unfinished walkout basement with no garage. | $8,000 | [PMT1999-10783-MEC](https://nearbypermits.com/boulder/permit/PMT1999-10783-MEC/) | | Mar 23, 2000 | Electrical | New 2505 square feet Detached Single Family Dwelling with one bedroom, study, two bath, and 1365 square foot unfinished walkout basement with no garage. | $10,000 | [PMT1999-10783-ELE](https://nearbypermits.com/boulder/permit/PMT1999-10783-ELE/) | | Mar 23, 2000 | New building | New 2505 square feet Detached Single Family Dwelling with one bedroom, study, two bath, and 1365 square foot unfinished walkout basement with no garage. | $255,000 | [PMT1999-10783](https://nearbypermits.com/boulder/permit/PMT1999-10783/) | ## More on this street Other addresses on Sumac Ave with permits, nearest house number first: - [1800 Sumac Ave](https://nearbypermits.com/boulder/address/1800-sumac-ave/): newest permit May 20, 2026 - [1616 Sumac Ave](https://nearbypermits.com/boulder/address/1616-sumac-ave/): newest permit Nov 19, 2024 - [1595 Sumac Ave](https://nearbypermits.com/boulder/address/1595-sumac-ave/): newest permit Mar 12, 2025 - [1527 Sumac Ave](https://nearbypermits.com/boulder/address/1527-sumac-ave/): newest permit Aug 25, 2025 - [1503 Sumac Ave](https://nearbypermits.com/boulder/address/1503-sumac-ave/): newest permit Nov 17, 2025 - [1495 Sumac Ave](https://nearbypermits.com/boulder/address/1495-sumac-ave/): newest permit Jan 27, 2026 - [1480 Sumac Ave](https://nearbypermits.com/boulder/address/1480-sumac-ave/): newest permit Dec 22, 2025 - [1447 Sumac Ave](https://nearbypermits.com/boulder/address/1447-sumac-ave/): newest permit May 5, 2026 - [1305 Sumac Ave](https://nearbypermits.com/boulder/address/1305-sumac-ave/): newest permit Jan 8, 2025 - [1205 Sumac Ave](https://nearbypermits.com/boulder/address/1205-sumac-ave/): newest permit Feb 6, 2026 --- Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 17:47 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ All 11 permits at this address: https://nearbypermits.com/boulder/address/1740-sumac-ave/