# Building permits at 4800 Baseline Rd D-102, Boulder, CO

Three permits here in the last two years. The newest, Oct 22, 2025: *Voided for inactivity - no inspections for 180 days* Sign relocation from another site to new address: 4800. 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 |
|---|---|---|---|---|
| Oct 22, 2025 | Sign | *Voided for inactivity - no inspections for 180 days* Sign relocation from another site to new address: 4800 Baseline Rd. Unit D102. Front lit channel letters | $500 | [SGN2025-00111](https://nearbypermits.com/boulder/permit/SGN2025-00111/) |
| Sep 2, 2025 | Mechanical (HVAC) | Replace like for like (2) 3-ton RTUs All new plastic glued vents for fuel burning appliances must undergo pressure testing. To facilitate the inspection process, please provide photographic evidence of the pressure test directly to the assigned inspector on the day the rough mechanical inspection is | $15,000 | [MEC2025-01392](https://nearbypermits.com/boulder/permit/MEC2025-01392/) |
| Apr 17, 2025 | Alteration or repair | Unit D-102. Interior remodel of an existing tenant space in order to prepare it for a future unknown tenant. Future tenant plans will be submitted under a separate future application. Scope includes removing almost all interior partitions. REVISION 5/1/25 - Removing HVAC updates from scope. REVISION | $45,581 | [BLD-NRE2025-00017](https://nearbypermits.com/boulder/permit/BLD-NRE2025-00017/) |

## More on this street

Other addresses on Baseline Rd with permits, nearest house number first:

- [4770 Baseline Rd](https://nearbypermits.com/boulder/address/4770-baseline-rd/): newest permit Aug 10, 2026
- [4500 Baseline Rd 1101](https://nearbypermits.com/boulder/address/4500-baseline-rd-1101/): newest permit Jun 8, 2026
- [5300 Baseline Rd](https://nearbypermits.com/boulder/address/5300-baseline-rd/): newest permit Feb 10, 2026
- [5440 Baseline Rd](https://nearbypermits.com/boulder/address/5440-baseline-rd/): newest permit Aug 26, 2025
- [3950 Baseline Rd](https://nearbypermits.com/boulder/address/3950-baseline-rd/): newest permit Jan 21, 2026
- [5880 Baseline Rd](https://nearbypermits.com/boulder/address/5880-baseline-rd/): newest permit Nov 1, 2024
- [2950 Baseline Rd](https://nearbypermits.com/boulder/address/2950-baseline-rd/): newest permit Nov 5, 2025
- [2922 Baseline Rd](https://nearbypermits.com/boulder/address/2922-baseline-rd/): newest permit Jul 30, 2026
- [2900 Baseline Rd](https://nearbypermits.com/boulder/address/2900-baseline-rd/): newest permit Feb 21, 2025
- [2850 Baseline Rd A-4](https://nearbypermits.com/boulder/address/2850-baseline-rd-a--4/): newest permit Sep 15, 2025

---
Source: Boulder Planning and Development Services permit data (https://www.arcgis.com/home/item.html?id=e3ff6248e4a547bcba31025d2c5c9fee). Checked 2026-10-08 05:48 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

All 3 permits at this address: https://nearbypermits.com/boulder/address/4800-baseline-rd-d--102/