# Building permits at 970 13th St B, Boulder, CO

Three permits here in the last two years. The newest, Mar 18: Installation of new NFPA 13D fire sprinkler system with a backflow in an ADU (FSN 13D). 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 |
|---|---|---|---|---|
| Mar 18, 2026 | Fire systems | Installation of new NFPA 13D fire sprinkler system with a backflow in an ADU (FSN 13D) | $10,153 | [FIR2026-00083](https://nearbypermits.com/boulder/permit/FIR2026-00083/) |
| Dec 22, 2025 | Fence, wall or deck | Demolish existing cottage and construct a new, 792 sq. ft. ADU structure at 968 13th Street. *See DEM2025-00096* Associated with ENF2024-00741. 7/24/26 The original plans called for Xcel to provide power to the main house and then run power from the main house to the ADU. Xcel has approved and recom | $372,000 | [BLD-ACC2025-00056](https://nearbypermits.com/boulder/permit/BLD-ACC2025-00056/) |
| Dec 18, 2025 | Demolition | Demolition of approximately 400 sq. ft. structure at 968 13th Street. | Not listed | [DEM2025-00096](https://nearbypermits.com/boulder/permit/DEM2025-00096/) |

## More on this street

Other addresses on 13th St with permits, nearest house number first:

- [960 13th St](https://nearbypermits.com/boulder/address/960-13th-st/): newest permit Aug 18, 2026
- [956 13th St](https://nearbypermits.com/boulder/address/956-13th-st/): newest permit Sep 14, 2026
- [1001 13th St](https://nearbypermits.com/boulder/address/1001-13th-st/): newest permit Sep 17, 2025
- [888 13th St](https://nearbypermits.com/boulder/address/888-13th-st/): newest permit May 12, 2025
- [861 13th St](https://nearbypermits.com/boulder/address/861-13th-st/): newest permit Jun 16, 2025
- [850 13th St](https://nearbypermits.com/boulder/address/850-13th-st/): newest permit Dec 10, 2024
- [1091 13th St](https://nearbypermits.com/boulder/address/1091-13th-st/): newest permit Jun 29, 2026
- [830 13th St](https://nearbypermits.com/boulder/address/830-13th-st/): newest permit Nov 14, 2024
- [1119 13th St](https://nearbypermits.com/boulder/address/1119-13th-st/): newest permit Aug 11, 2025
- [820 13th St](https://nearbypermits.com/boulder/address/820-13th-st/): newest permit Mar 12, 2026

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 10:02 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 3 permits at this address: https://nearbypermits.com/boulder/address/970-13th-st-b/