# Building permits at 3663 Silverton St, Boulder, CO

10 permits on record here. The newest, Sep 18: REVISION 9/21/26-Replacement furnace. 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 |
|---|---|---|---|---|
| Sep 18, 2026 | Mechanical (HVAC) | REVISION 9/21/26-Replacement furnace, heat pump x 2 replacing air conditioners, and associated electrical. Install tankless water heater replacing tank style unit. Replacement furnace, heat pump x 2 replacing air conditioners, and associated electrical. PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH F | $30,517 | [MEC2026-01765](https://nearbypermits.com/boulder/permit/MEC2026-01765/) |
| Jun 11, 2015 | Plumbing | Interior, non-structural, first-time basement finish in SFD dwelling. Create one new bedroom, one full bathroom, one rec room, and hallway. Includes MEPs. 500 SF. | $2,500 | [PMT2015-02271-PLB](https://nearbypermits.com/boulder/permit/PMT2015-02271-PLB/) |
| Jun 11, 2015 | Mechanical (HVAC) | Interior, non-structural, first-time basement finish in SFD dwelling. Create one new bedroom, one full bathroom, one rec room, and hallway. Includes MEPs. 500 SF. | $800 | [PMT2015-02271-MEC](https://nearbypermits.com/boulder/permit/PMT2015-02271-MEC/) |
| Jun 11, 2015 | Electrical | Interior, non-structural, first-time basement finish in SFD dwelling. Create one new bedroom, one full bathroom, one rec room, and hallway. Includes MEPs. 500 SF. | $3,000 | [PMT2015-02271-ELE](https://nearbypermits.com/boulder/permit/PMT2015-02271-ELE/) |
| Jun 11, 2015 | Alteration or repair | Interior, non-structural, first-time basement finish in SFD dwelling. Create one new bedroom, one full bathroom, one rec room, and hallway. Includes MEPs. 500 SF. | $32,000 | [PMT2015-02271](https://nearbypermits.com/boulder/permit/PMT2015-02271/) |
| Mar 20, 2015 | Fence, wall or deck | Installation of new 6-foot tall cedar fence - (Note: In rear of house, two-foot tall privacy, with the rest open.) Total of 80 LF. | $1,500 | [PMT2015-00969-FEN](https://nearbypermits.com/boulder/permit/PMT2015-00969-FEN/) |
| Jun 19, 2014 | Plumbing | New SFD, two-story, with unfinished basement. Three bed, 2.5 bath with main floor study. Total of 3,314SF finished, 1,238SF unfinished, 511SF attached garage, 435SF of patios, decks and porches. | $14,000 | [PMT2014-01064-PLB](https://nearbypermits.com/boulder/permit/PMT2014-01064-PLB/) |
| Jun 19, 2014 | Mechanical (HVAC) | New SFD, two-story, with unfinished basement. Three bed, 2.5 bath with main floor study. Total of 3,314SF finished, 1,238SF unfinished, 511SF attached garage, 435SF of patios, decks and porches. | $11,000 | [PMT2014-01064-MEC](https://nearbypermits.com/boulder/permit/PMT2014-01064-MEC/) |
| Jun 19, 2014 | Electrical | New SFD, two-story, with unfinished basement. Three bed, 2.5 bath with main floor study. Total of 3,314SF finished, 1,238SF unfinished, 511SF attached garage, 435SF of patios, decks and porches. | $11,000 | [PMT2014-01064-ELE](https://nearbypermits.com/boulder/permit/PMT2014-01064-ELE/) |
| Jun 19, 2014 | New building | New SFD, two-story, with unfinished basement. Three bed, 2.5 bath with main floor study. Total of 3,314SF finished, 1,238SF unfinished, 511SF attached garage, 435SF of patios, decks and porches. | $365,749 | [PMT2014-01064](https://nearbypermits.com/boulder/permit/PMT2014-01064/) |

## More on this street

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

- [3674 Silverton St F](https://nearbypermits.com/boulder/address/3674-silverton-st-f/): newest permit Dec 3, 2024
- [3686 Silverton St H](https://nearbypermits.com/boulder/address/3686-silverton-st-h/): newest permit Jun 24, 2026
- [3687 Silverton St](https://nearbypermits.com/boulder/address/3687-silverton-st/): newest permit Feb 12, 2026
- [3755 Silverton St](https://nearbypermits.com/boulder/address/3755-silverton-st/): newest permit Mar 4, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-07 20:19 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 10 permits at this address: https://nearbypermits.com/boulder/address/3663-silverton-st/