# Building permits at 1050 Walnut St 501, Boulder, CO

Five permits on record here. The newest, Jul 7: Add 92 Sprinkler heads to provide proper sprinkler coverage per NFPA 13 2025. 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 |
|---|---|---|---|---|
| Jul 7, 2026 | Fire systems | Add 92 Sprinkler heads to provide proper sprinkler coverage per NFPA 13 2025 | $13,232 | [FIR2026-00238](https://nearbypermits.com/boulder/permit/FIR2026-00238/) |
| Jun 17, 2026 | Alteration or repair | The project entails the removal of the interior finish of one usiness suites on the fifth floor of an existing five story building. Demolition will include removal of interior non-load bearing partition walls and furring, interior doors and windows; floor finishes will be removed to expose concrete; | $145,000 | [BLD-NRE2026-00005](https://nearbypermits.com/boulder/permit/BLD-NRE2026-00005/) |
| Aug 4, 2014 | Electrical | Southwest Research Institute-Demo 9' wall and relocate wall to the next window mullion. New electrical outlets to be installed at relocated wall. | $400 | [PMT2014-03613-ELE](https://nearbypermits.com/boulder/permit/PMT2014-03613-ELE/) |
| Aug 4, 2014 | Alteration or repair | Southwest Research Institute-Demo 9' wall and relocate wall to the next window mullion. New electrical outlets to be installed at relocated wall. | $3,665 | [PMT2014-03613](https://nearbypermits.com/boulder/permit/PMT2014-03613/) |
| Jul 9, 2009 | Demolition | Demolition of 4 non-loadbearing walls to transform four offices into one larger 560 sf room. | Not listed | [PMT2009-02629-DEM](https://nearbypermits.com/boulder/permit/PMT2009-02629-DEM/) |

## Zoning requests nearby

We don't list zoning cases for Boulder yet. Look them up on the city's Board of Zoning Adjustment page: https://bouldercolorado.gov/government/board-commission/board-zoning-adjustment

## More on this street

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

- [1023 Walnut St](https://nearbypermits.com/boulder/address/1023-walnut-st/): newest permit Feb 25, 2026
- [1011 Walnut St 200](https://nearbypermits.com/boulder/address/1011-walnut-st-200/): newest permit Aug 21, 2026
- [1002 Walnut St](https://nearbypermits.com/boulder/address/1002-walnut-st/): newest permit Dec 10, 2025
- [1175 Walnut St](https://nearbypermits.com/boulder/address/1175-walnut-st/): newest permit Oct 31, 2025
- [921 Walnut St](https://nearbypermits.com/boulder/address/921-walnut-st/): newest permit Aug 5, 2026
- [854 Walnut St](https://nearbypermits.com/boulder/address/854-walnut-st/): newest permit May 27, 2026
- [848 Walnut St](https://nearbypermits.com/boulder/address/848-walnut-st/): newest permit Jun 22, 2026
- [824 Walnut St 46](https://nearbypermits.com/boulder/address/824-walnut-st-46/): newest permit Sep 9, 2026
- [812 Walnut St](https://nearbypermits.com/boulder/address/812-walnut-st/): newest permit Sep 28, 2026
- [1300 Walnut St](https://nearbypermits.com/boulder/address/1300-walnut-st/): newest permit Jul 25, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-09 17:28 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 5 permits at this address: https://nearbypermits.com/boulder/address/1050-walnut-st-501/