# Building permits at 4314 9th St, Boulder, CO

Nine permits on record here. The newest, May 29, 2025: 2 replacement single zone heat pump. 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 |
|---|---|---|---|---|
| May 29, 2025 | Mechanical (HVAC) | 2 replacement single zone heat pump. Northeast upstairs bedroom; 9,000 BTU. Primary bedroom; 12,000 BTU | $10,700 | [MEC2025-00848](https://nearbypermits.com/boulder/permit/MEC2025-00848/) |
| Jul 13, 2022 | Mechanical (HVAC) | Replace mini split system. | $4,825 | [MEC2022-01303](https://nearbypermits.com/boulder/permit/MEC2022-01303/) |
| Feb 14, 2019 | Mechanical (HVAC) | Install replacement Boiler, 110BTU, 85% efficiency. | $7,930 | [MEC2019-00195](https://nearbypermits.com/boulder/permit/MEC2019-00195/) |
| Jul 21, 2003 | Mechanical (HVAC) | Install 3 new ductless air conditioners (1) 14,600 BTU, (2) 8,500 BTU for single-family residence | $3,321 | [PMT2003-02924-MEC](https://nearbypermits.com/boulder/permit/PMT2003-02924-MEC/) |
| Jul 21, 2003 | Electrical | Install 3 new ductless air conditioners (1) 14,600 BTU, (2) 8,500 BTU for single-family residence | $406 | [PMT2003-02924-ELE](https://nearbypermits.com/boulder/permit/PMT2003-02924-ELE/) |
| Jun 23, 2000 | Plumbing | New single family dwelling, crawl space, detached two car garage | $6,000 | [PMT2000-02096-PLB](https://nearbypermits.com/boulder/permit/PMT2000-02096-PLB/) |
| Jun 23, 2000 | Mechanical (HVAC) | New single family dwelling, crawl space, detached two car garage | $6,000 | [PMT2000-02096-MEC](https://nearbypermits.com/boulder/permit/PMT2000-02096-MEC/) |
| Jun 23, 2000 | Electrical | New single family dwelling, crawl space, detached two car garage | $6,000 | [PMT2000-02096-ELE](https://nearbypermits.com/boulder/permit/PMT2000-02096-ELE/) |
| Jun 23, 2000 | New building | New single family dwelling, crawl space, detached two car garage | $150,000 | [PMT2000-02096](https://nearbypermits.com/boulder/permit/PMT2000-02096/) |

## More on this street

Other addresses on 9th St with permits, nearest house number first:

- [4452 9th St](https://nearbypermits.com/boulder/address/4452-9th-st/): newest permit Aug 25, 2026
- [4456 9th St](https://nearbypermits.com/boulder/address/4456-9th-st/): newest permit Dec 11, 2025
- [4464 9th St](https://nearbypermits.com/boulder/address/4464-9th-st/): newest permit Mar 19, 2026
- [3575 9th St](https://nearbypermits.com/boulder/address/3575-9th-st/): newest permit May 15, 2026
- [3555 9th St](https://nearbypermits.com/boulder/address/3555-9th-st/): newest permit Jan 22, 2025
- [3325 9th St](https://nearbypermits.com/boulder/address/3325-9th-st/): newest permit May 1, 2025
- [3251 9th St](https://nearbypermits.com/boulder/address/3251-9th-st/): newest permit Jun 4, 2026
- [3239 9th St](https://nearbypermits.com/boulder/address/3239-9th-st/): newest permit Feb 5, 2025
- [3236 9th St](https://nearbypermits.com/boulder/address/3236-9th-st/): newest permit Sep 3, 2025
- [3228 9th St](https://nearbypermits.com/boulder/address/3228-9th-st/): newest permit Sep 26, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-06 23:21 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 9 permits at this address: https://nearbypermits.com/boulder/address/4314-9th-st/