# Building permits at 1850 Yaupon Ave, Boulder, CO

Eight permits on record here. The newest, Dec 17, 2025: Add AES7707P wireless fire radio to an existing Silent Knight SK-5808 addressable fire alarm panel. 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 |
|---|---|---|---|---|
| Dec 17, 2025 | Fire systems | Add AES7707P wireless fire radio to an existing Silent Knight SK-5808 addressable fire alarm panel. (FAR) | $900 | [FIR2025-00502](https://nearbypermits.com/boulder/permit/FIR2025-00502/) |
| Aug 18, 2011 | New building | Construction of 792 sf of rear yard decks in 5 of 6 units of Building C, lot three -- Sanitas Terrace. See ADR2011-00104 for additional details. | $19,800 | [PMT2011-02842](https://nearbypermits.com/boulder/permit/PMT2011-02842/) |
| Mar 9, 2011 | Fire systems | New Sprinkler System For Sanitas Terrace Building C | $11,000 | [PMT2011-00897-FIR](https://nearbypermits.com/boulder/permit/PMT2011-00897-FIR/) |
| Feb 15, 2011 | Fence, wall or deck | Construction of 3.5' retaining wall with 3.5' cedar fence above. Not to exceed a combined height ot 7', entire structure must remain on property. | $9,800 | [PMT2011-00621-FEN](https://nearbypermits.com/boulder/permit/PMT2011-00621-FEN/) |
| Dec 28, 2010 | Plumbing | Sanitas Terrace - Building C, 6 unit multi-family building with two, 3 bedroom/2.5 bath units (units A and F) and three, 2 bedroom/2.5 bath units (units B, C, D, E) and a 10 space lower level parking garage. | $66,000 | [PMT2010-03683-PLB](https://nearbypermits.com/boulder/permit/PMT2010-03683-PLB/) |
| Dec 28, 2010 | Mechanical (HVAC) | Sanitas Terrace - Building C, 6 unit multi-family building with two, 3 bedroom/2.5 bath units (units A and F) and three, 2 bedroom/2.5 bath units (units B, C, D, E) and a 10 space lower level parking garage. | $29,400 | [PMT2010-03683-MEC](https://nearbypermits.com/boulder/permit/PMT2010-03683-MEC/) |
| Dec 28, 2010 | Electrical | Sanitas Terrace - Building C, 6 unit multi-family building with two, 3 bedroom/2.5 bath units (units A and F) and three, 2 bedroom/2.5 bath units (units B, C, D, E) and a 10 space lower level parking garage. | $25,700 | [PMT2010-03683-ELE](https://nearbypermits.com/boulder/permit/PMT2010-03683-ELE/) |
| Dec 28, 2010 | New building | Sanitas Terrace - Building C, 6 unit multi-family building with two, 3 bedroom/2.5 bath units (units A and F) and three, 2 bedroom/2.5 bath units (units B, C, D, E) and a 10 space lower level parking garage. | $1,108,256 | [PMT2010-03683](https://nearbypermits.com/boulder/permit/PMT2010-03683/) |

## 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 Yaupon Ave with permits, nearest house number first:

- [1845 Yaupon Ave](https://nearbypermits.com/boulder/address/1845-yaupon-ave/): newest permit Apr 3, 2026
- [1841 Yaupon Ave](https://nearbypermits.com/boulder/address/1841-yaupon-ave/): newest permit Aug 17, 2026
- [1828 Yaupon Ave](https://nearbypermits.com/boulder/address/1828-yaupon-ave/): newest permit Nov 26, 2025
- [1815 Yaupon Ave](https://nearbypermits.com/boulder/address/1815-yaupon-ave/): newest permit Jul 16, 2026
- [1800 Yaupon Ave](https://nearbypermits.com/boulder/address/1800-yaupon-ave/): newest permit Sep 9, 2026
- [1786 Yaupon Ave](https://nearbypermits.com/boulder/address/1786-yaupon-ave/): newest permit Nov 4, 2025
- [1734 Yaupon Ave](https://nearbypermits.com/boulder/address/1734-yaupon-ave/): newest permit Mar 6, 2026
- [1494 Yaupon Ave](https://nearbypermits.com/boulder/address/1494-yaupon-ave/): newest permit Mar 31, 2026
- [1422 Yaupon Ave](https://nearbypermits.com/boulder/address/1422-yaupon-ave/): newest permit Oct 5, 2026
- [1410 Yaupon Ave](https://nearbypermits.com/boulder/address/1410-yaupon-ave/): newest permit Nov 10, 2025

---
Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-11 23:46 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 8 permits at this address: https://nearbypermits.com/boulder/address/1850-yaupon-ave/