# Mechanical (HVAC) permit COM2021-64062 at 3609 Keystone Ave, Baltimore

Baltimore Department of Housing and Community Development permit COM2021-64062: issued May 10, 2021 for mechanical (hvac) work at 3609 Keystone Ave. install (1) # fixtures/devices, (1) 24000 btu air-con system, heat pump, (1) 50000 btu fuel-burning equip(furnace), (1) 50000 btu fuel-burning equip as per code.

- Permit number: COM2021-64062
- Issued: May 10, 2021
- Type of work: Mechanical (HVAC) (city: 1-05)
- Status: Issued (city: not listed)
- Reported cost: $9,800
- ZIP code: 21211 (derived from location)
- All permits at this address: https://nearbypermits.com/baltimore/address/3609-keystone-ave/

---
Source: Baltimore Department of Housing and Community Development permit data (https://www.arcgis.com/home/item.html?id=189e6d1c65df4e13b38c0027cee574f6), City of Baltimore, CC BY 3.0 (https://creativecommons.org/licenses/by/3.0/). Checked 2026-10-08 04:07 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 3609 Keystone Ave: https://nearbypermits.com/baltimore/address/3609-keystone-ave/