# Building permits at 4120 E Aurora Ave, Boulder, CO

One permit here in the last two years. The newest, Sep 9, 2025: This permit application is for a permit of a wet bar sink. 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 |
|---|---|---|---|---|
| Sep 9, 2025 | Alteration or repair | This permit application is for a permit of a wet bar sink. The sink is not greater than 16" x 20" x 6" deep and will be connected to existing hot and cold water lines. Associated with ENF2025-00716. This installation is not part of an Accessory Dwelling Unit (ADU). There will be no appliances such a | $300 | [BLD-SFD2025-00363](https://nearbypermits.com/boulder/permit/BLD-SFD2025-00363/) |

## More on this street

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

- [4125 E Aurora Ave](https://nearbypermits.com/boulder/address/4125-e-aurora-ave/): newest permit Mar 17, 2025
- [4020 E Aurora Ave](https://nearbypermits.com/boulder/address/4020-e-aurora-ave/): newest permit Sep 30, 2026
- [4245 E Aurora Ave](https://nearbypermits.com/boulder/address/4245-e-aurora-ave/): newest permit Jan 7, 2026
- [3395 E Aurora Ave](https://nearbypermits.com/boulder/address/3395-e-aurora-ave/): newest permit Apr 24, 2026
- [3355 E Aurora Ave](https://nearbypermits.com/boulder/address/3355-e-aurora-ave/): newest permit Mar 13, 2026
- [3295 E Aurora Ave](https://nearbypermits.com/boulder/address/3295-e-aurora-ave/): newest permit Jun 10, 2026
- [5105 E Aurora Ave](https://nearbypermits.com/boulder/address/5105-e-aurora-ave/): newest permit Jun 27, 2025
- [5144 E Aurora Ave](https://nearbypermits.com/boulder/address/5144-e-aurora-ave/): newest permit Nov 26, 2025
- [3095 E Aurora Ave](https://nearbypermits.com/boulder/address/3095-e-aurora-ave/): newest permit Feb 5, 2025
- [3050 E Aurora Ave](https://nearbypermits.com/boulder/address/3050-e-aurora-ave/): newest permit Jul 9, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 12:13 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/4120-e-aurora-ave/