# Building permits at 3555 9th St, Boulder, CO

13 permits on record here. The newest, Jan 22, 2025: Voided for inactivity - no inspection within 180 days. 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 |
|---|---|---|---|---|
| Jan 22, 2025 | Mechanical (HVAC) | Voided for inactivity - no inspection within 180 days. Installation of Mitsubishi 4 zone system with electrical subcontracted | $18,988 | [MEC2025-00025](https://nearbypermits.com/boulder/permit/MEC2025-00025/) |
| Nov 20, 2017 | Plumbing | Owner/contractor permit to replace existing breezeway between garage and dwelling with an enclosed 250 sqft addition for a mudroom, laundry, and storage. -- Addition of 250 sqft, primary structure before addition 2824 sqft | $1,500 | [PMT2017-01711-PLB](https://nearbypermits.com/boulder/permit/PMT2017-01711-PLB/) |
| Nov 20, 2017 | Mechanical (HVAC) | Owner/contractor permit to replace existing breezeway between garage and dwelling with an enclosed 250 sqft addition for a mudroom, laundry, and storage. -- Addition of 250 sqft, primary structure before addition 2824 sqft | $1,000 | [PMT2017-01711-MEC](https://nearbypermits.com/boulder/permit/PMT2017-01711-MEC/) |
| Nov 20, 2017 | Addition | Owner/contractor permit to replace existing breezeway between garage and dwelling with an enclosed 250 sqft addition for a mudroom, laundry, and storage. -- Addition of 250 sqft, primary structure before addition 2824 sqft | $25,000 | [PMT2017-01711-FLD](https://nearbypermits.com/boulder/permit/PMT2017-01711-FLD/) |
| Nov 20, 2017 | Electrical | Owner/contractor permit to replace existing breezeway between garage and dwelling with an enclosed 250 sqft addition for a mudroom, laundry, and storage. -- Addition of 250 sqft, primary structure before addition 2824 sqft | $2,500 | [PMT2017-01711-ELE](https://nearbypermits.com/boulder/permit/PMT2017-01711-ELE/) |
| Nov 20, 2017 | Addition | Owner/contractor permit to replace existing breezeway between garage and dwelling with an enclosed 250 sqft addition for a mudroom, laundry, and storage. -- Addition of 250 sqft, primary structure before addition 2824 sqft | $28,163 | [PMT2017-01711](https://nearbypermits.com/boulder/permit/PMT2017-01711/) |
| Dec 4, 2013 | Plumbing | Interior remodel of SFD due to water damage. Includes proposal for new front porch in front yard setback. Scope of work includes all associated MEPs. | $10,000 | [PMT2013-06054-PLB](https://nearbypermits.com/boulder/permit/PMT2013-06054-PLB/) |
| Dec 4, 2013 | Mechanical (HVAC) | Interior remodel of SFD due to water damage. Includes proposal for new front porch in front yard setback. Scope of work includes all associated MEPs. | $15,000 | [PMT2013-06054-MEC](https://nearbypermits.com/boulder/permit/PMT2013-06054-MEC/) |
| Dec 4, 2013 | Electrical | Interior remodel of SFD due to water damage. Includes proposal for new front porch in front yard setback. Scope of work includes all associated MEPs. | $15,000 | [PMT2013-06054-ELE](https://nearbypermits.com/boulder/permit/PMT2013-06054-ELE/) |
| Dec 4, 2013 | Alteration or repair | Interior remodel of SFD due to water damage. Includes proposal for new front porch in front yard setback. Scope of work includes all associated MEPs. | $100,000 | [PMT2013-06054](https://nearbypermits.com/boulder/permit/PMT2013-06054/) |
| Nov 22, 2011 | Roofing | Remove shake shingles and re-roof single-family residence with dimensional shingles. 21 squares, roof pitch represented by contactor to be 4:12. | $6,285 | [PMT2011-05121-RFG](https://nearbypermits.com/boulder/permit/PMT2011-05121-RFG/) |
| May 15, 2006 | Mechanical (HVAC) | New Comfort Cooling | $5,347 | [PMT2006-20127-MEC](https://nearbypermits.com/boulder/permit/PMT2006-20127-MEC/) |
| Sep 25, 1996 | Addition | One story addition with deck above on south side o the original general permit | $75,000 | [PMT1996-06315](https://nearbypermits.com/boulder/permit/PMT1996-06315/) |

## More on this street

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

- [3575 9th St](https://nearbypermits.com/boulder/address/3575-9th-st/): newest permit May 15, 2026
- [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
- [3227 9th St](https://nearbypermits.com/boulder/address/3227-9th-st/): newest permit Jan 30, 2026
- [3188 9th St](https://nearbypermits.com/boulder/address/3188-9th-st/): newest permit Nov 27, 2024
- [3156 9th St](https://nearbypermits.com/boulder/address/3156-9th-st/): newest permit May 27, 2026
- [3153 9th St](https://nearbypermits.com/boulder/address/3153-9th-st/): newest permit Apr 1, 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 12:06 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 13 permits at this address: https://nearbypermits.com/boulder/address/3555-9th-st/