# Building permits at 1590 Sumac Ave, Boulder, CO

One permit here in the last two years. The newest, Oct 6: 1102 SF addition to include Gym and storage spaces. 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 |
|---|---|---|---|---|
| Oct 6, 2026 | Addition | 1102 SF addition to include Gym and storage spaces. No bedrooms or bathrooms. Revision 8/5/26 to lower storage area | $300,000 | [BLD-SFD2026-00197](https://nearbypermits.com/boulder/permit/BLD-SFD2026-00197/) |

## More on this street

Other addresses on Sumac Ave with permits, nearest house number first:

- [1595 Sumac Ave](https://nearbypermits.com/boulder/address/1595-sumac-ave/): newest permit Mar 12, 2025
- [1616 Sumac Ave](https://nearbypermits.com/boulder/address/1616-sumac-ave/): newest permit Nov 19, 2024
- [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
- [1740 Sumac Ave](https://nearbypermits.com/boulder/address/1740-sumac-ave/): newest permit Jun 15, 2026
- [1800 Sumac Ave](https://nearbypermits.com/boulder/address/1800-sumac-ave/): newest permit May 20, 2026
- [1305 Sumac Ave](https://nearbypermits.com/boulder/address/1305-sumac-ave/): newest permit Jan 8, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 20:09 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

The one permit at this address: https://nearbypermits.com/boulder/address/1590-sumac-ave/