# Building permits at 670 Harmon Ave, Columbus, OH Two permits here in the last two years. The newest, Nov 19, 2025: Fire systems permit, no description from the city. Within a quarter mile, the city has issued 7 more permits (6 projects) since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Nov 19, 2025 | Fire systems | | Not listed | [FSUPC2540678](https://nearbypermits.com/columbus/permit/FSUPC2540678/) | | Dec 20, 2024 | Sign | | Not listed | [SIGN2400669](https://nearbypermits.com/columbus/permit/SIGN2400669/) | ## Within ¼ mi since May 1, 2026 7 permits in the circle. From our copy of the city's data (last 24 months). ### This block (250 to 1,000 ft), 3 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jun 18, 2026 | [742 Harmon Ave](https://nearbypermits.com/columbus/address/742-harmon-ave/) | 510 ft S | Mechanical (HVAC) | | Not listed | [MMEPC2624028](https://nearbypermits.com/columbus/permit/MMEPC2624028/) | | Jun 3, 2026 | [742 Harmon Ave](https://nearbypermits.com/columbus/address/742-harmon-ave/) | 510 ft S | Mechanical (HVAC) | | Not listed | [MMEPC2621253](https://nearbypermits.com/columbus/permit/MMEPC2621253/) | | Jun 2, 2026 | [742 Harmon Ave](https://nearbypermits.com/columbus/address/742-harmon-ave/) | 510 ft S | Electrical | | Not listed | [EMEPC2621097](https://nearbypermits.com/columbus/permit/EMEPC2621097/) | ### Farther (1,000 ft to ¼ mi), 4 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jul 24, 2026 | [595 Van Buren Dr](https://nearbypermits.com/columbus/address/595-van-buren-dr/) | 0.23 mi W | Fire systems | | Not listed | [FALRC2625994](https://nearbypermits.com/columbus/permit/FALRC2625994/) | | Jul 7, 2026 | [740 Canonby Pl](https://nearbypermits.com/columbus/address/740-canonby-pl/) | 0.25 mi SW | Plumbing | | Not listed | [PMLSC2626551](https://nearbypermits.com/columbus/permit/PMLSC2626551/) | | Jun 22, 2026 | [521 Harmon Ave](https://nearbypermits.com/columbus/address/521-harmon-ave/) | 0.20 mi NW | Electrical | | Not listed | [EMEPC2624466](https://nearbypermits.com/columbus/permit/EMEPC2624466/) | | Jun 18, 2026 | [521 Harmon Ave](https://nearbypermits.com/columbus/address/521-harmon-ave/) | 0.20 mi NW | Mechanical (HVAC) | | Not listed | [MMEPC2624117](https://nearbypermits.com/columbus/permit/MMEPC2624117/) | ## Zoning requests nearby We don't list zoning cases for Columbus yet. Look them up on the city's Board of Zoning Adjustment page: https://www.columbus.gov/Business-Development/Building-Zoning-Services/Boards-and-Commissions/Board-of-Zoning-Adjustment ## More on this street Other addresses on Harmon Ave with permits, nearest house number first: - [742 Harmon Ave](https://nearbypermits.com/columbus/address/742-harmon-ave/): newest permit Jun 18, 2026 - [756 Harmon Ave](https://nearbypermits.com/columbus/address/756-harmon-ave/): newest permit Jun 17, 2025 - [575 Harmon Ave](https://nearbypermits.com/columbus/address/575-harmon-ave/): newest permit Apr 3, 2025 - [787 Harmon Ave](https://nearbypermits.com/columbus/address/787-harmon-ave/): newest permit Jan 21, 2026 - [793 Harmon Ave](https://nearbypermits.com/columbus/address/793-harmon-ave/): newest permit Apr 18, 2025 - [521 Harmon Ave](https://nearbypermits.com/columbus/address/521-harmon-ave/): newest permit Jun 22, 2026 - [465 Harmon Ave](https://nearbypermits.com/columbus/address/465-harmon-ave/): newest permit Apr 29, 2025 - [1049 Harmon Ave](https://nearbypermits.com/columbus/address/1049-harmon-ave/): newest permit Apr 7, 2025 - [1100 Harmon Ave Unit Mech](https://nearbypermits.com/columbus/address/1100-harmon-ave-unit-mech/): newest permit Sep 30, 2026 - [1377 Harmon Ave](https://nearbypermits.com/columbus/address/1377-harmon-ave/): newest permit May 23, 2025 --- Source: Columbus Department of Building and Zoning Services permit data (https://services1.arcgis.com/9yy6msODkIBzkUXU/arcgis/rest/services/Building_Permits/FeatureServer/0). Checked 2026-10-12 03:27 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, both permits at this address and 7 nearby: https://nearbypermits.com/columbus/address/670-harmon-ave/