# Building permits at 400 Terrace Ave, Boulder, CO

Seven permits on record here. The newest, Nov 5, 2025: *Voided for inactivity - no inspections for 180 days* 90% 100K BTU 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 |
|---|---|---|---|---|
| Nov 5, 2025 | Mechanical (HVAC) | *Voided for inactivity - no inspections for 180 days* 90% 100K BTU FURNACE, 17 SEER 4 TON AC REPLACEMENT - LIKE FOR LIKE - DISCONNECT AND RECONNECT AC PLEASE NOTE: APPLICABLE ONLY TO SYSTEMS WITH FUEL BURNING APPLIANCES: All new plastic glued vents for fuel burning appliances must undergo pressure t | $26,661 | [MEC2025-01902](https://nearbypermits.com/boulder/permit/MEC2025-01902/) |
| Feb 4, 2020 | Mechanical (HVAC) | *install a 50 gallon 40K BTU water heater. like for like | $1,299 | [MEC2020-00187](https://nearbypermits.com/boulder/permit/MEC2020-00187/) |
| Mar 8, 2012 | Plumbing | Basement finish of 360 sf to create a recreation room and full bathroom on existing rough-ins( rough-ins accounted for under PMT2006-00330) | $2,800 | [PMT2012-01004-PLB](https://nearbypermits.com/boulder/permit/PMT2012-01004-PLB/) |
| Mar 8, 2012 | Mechanical (HVAC) | Basement finish of 360 sf to create a recreation room and full bathroom on existing rough-ins( rough-ins accounted for under PMT2006-00330) | $120 | [PMT2012-01004-MEC](https://nearbypermits.com/boulder/permit/PMT2012-01004-MEC/) |
| Mar 8, 2012 | Electrical | Basement finish of 360 sf to create a recreation room and full bathroom on existing rough-ins( rough-ins accounted for under PMT2006-00330) | $2,700 | [PMT2012-01004-ELE](https://nearbypermits.com/boulder/permit/PMT2012-01004-ELE/) |
| Mar 8, 2012 | Alteration or repair | Basement finish of 360 sf to create a recreation room and full bathroom on existing rough-ins( rough-ins accounted for under PMT2006-00330) | $29,639 | [PMT2012-01004](https://nearbypermits.com/boulder/permit/PMT2012-01004/) |
| Nov 4, 2010 | Alteration or repair | Repair of leak and water damage in single family residence including chimney chase, roof repair, interior trim and sheetrock/paint. | $16,400 | [PMT2010-04876](https://nearbypermits.com/boulder/permit/PMT2010-04876/) |

## More on this street

Other addresses on Terrace Ave with permits, nearest house number first:

- [395 Terrace Ave](https://nearbypermits.com/boulder/address/395-terrace-ave/): newest permit Aug 7, 2026
- [360 Terrace Ave](https://nearbypermits.com/boulder/address/360-terrace-ave/): newest permit Dec 15, 2025
- [630 Terrace Ave](https://nearbypermits.com/boulder/address/630-terrace-ave/): newest permit Aug 1, 2025
- [650 Terrace Ave](https://nearbypermits.com/boulder/address/650-terrace-ave/): newest permit Aug 1, 2025

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Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 05:21 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 7 permits at this address: https://nearbypermits.com/boulder/address/400-terrace-ave/