# Building permits at 2475 Mapleton Ave, Boulder, CO

One permit here in the last two years. The newest, Nov 18, 2025: Replace existing furnace with a new 96% AFUE, 100,00 btu/hr 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 18, 2025 | Mechanical (HVAC) | Replace existing furnace with a new 96% AFUE, 100,00 btu/hr furnace. Replace existing a/c system with a new 4 ton, 16 SEER a/c system. Replace existing tanked water heater with a new 50 gallon tanked water heater. Any electrical work required beyond a like-for-like replacement of equipment will requ | $11,573 | [MEC2025-02026](https://nearbypermits.com/boulder/permit/MEC2025-02026/) |

## More on this street

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

- [2436 Mapleton Ave](https://nearbypermits.com/boulder/address/2436-mapleton-ave/): newest permit Oct 22, 2025
- [2431 Mapleton Ave](https://nearbypermits.com/boulder/address/2431-mapleton-ave/): newest permit Dec 3, 2024
- [2537 Mapleton Ave](https://nearbypermits.com/boulder/address/2537-mapleton-ave/): newest permit Dec 6, 2024
- [2576 Mapleton Ave](https://nearbypermits.com/boulder/address/2576-mapleton-ave/): newest permit Mar 10, 2026
- [2583 Mapleton Ave](https://nearbypermits.com/boulder/address/2583-mapleton-ave/): newest permit Aug 12, 2025
- [2604 Mapleton Ave](https://nearbypermits.com/boulder/address/2604-mapleton-ave/): newest permit May 15, 2025
- [2344 Mapleton Ave](https://nearbypermits.com/boulder/address/2344-mapleton-ave/): newest permit Nov 21, 2025
- [2614 Mapleton Ave](https://nearbypermits.com/boulder/address/2614-mapleton-ave/): newest permit Sep 16, 2025
- [2625 Mapleton Ave](https://nearbypermits.com/boulder/address/2625-mapleton-ave/): newest permit Dec 3, 2024
- [2321 Mapleton Ave](https://nearbypermits.com/boulder/address/2321-mapleton-ave/): newest permit Nov 24, 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 05:03 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

The one permit at this address: https://nearbypermits.com/boulder/address/2475-mapleton-ave/