# Building permits at 4509 E Halifax St, Mesa, AZ

4509 E Halifax St, Mesa has 3 building permits on record. The most recent, opened Oct 20, 2025, is for addition: Attached ADU including conversion of existing 420 SF garage space to livable with addition of 515 SF livable, totaling 935 SF livable at existing SFR. Add new 482 SF attached garag…

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Oct 20, 2025 | Addition | Attached ADU including conversion of existing 420 SF garage space to livable with addition of 515 SF livable, totaling 935 SF livable at existing SFR. Add new 482 SF attached garage. Truss calculations deferred. Inspector to field verify fire resistant rated wall assembly. | – | [PMT25-19069](https://nearbypermits.com/mesa/permit/PMT25-19069/) |
| Feb 25, 2025 | Plumbing | Disconnecting the original gas line to the furnace and running a new gas line to the water heater room to be able to install gas to the water heater. | – | [PMT25-03440](https://nearbypermits.com/mesa/permit/PMT25-03440/) |
| Apr 6, 2010 | Fence, wall or deck | Convert carport into garage, existing roof structure to remain in place. Per approved plans. | – | [BLD2010-01485](https://nearbypermits.com/mesa/permit/BLD2010-01485/) |

---
Source: Mesa Development Services permit data (https://citydata.mesaaz.gov/d/dzpk-hxfb). Checked 2026-10-02 00:16 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/
