# Building permits at 3901 Hillen Road, Baltimore, MD

Eight permits on record here. The newest, Mar 17: The scope of work involves adding a single low-voltage data drop to support network connectivity. Within a quarter mile, the city has issued no other permits since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Mar 17, 2026 | Alteration or repair | The scope of work involves adding a single low-voltage data drop to support network connectivity. This installation will utilize existing pathways in ceiling and a single 1/2" penetration outside that will not alter, expand, or modify the building's electrical or communications infrastructure. No se | $33,406 | [BCCM-26-000782](https://nearbypermits.com/baltimore/permit/BCCM-26-000782/) |
| Mar 5, 2026 | Fire systems | Install new Fluoro K clean agent fire suppression system in server room 003 | $50,000 | [BCCM-25-003323](https://nearbypermits.com/baltimore/permit/BCCM-25-003323/) |
| Jul 28, 2023 | Electrical | building, mechanical, and electrical permit application for upgrades to the city montebello plants 1 and 2, ashburton, and hellen site locations as per plans as per code. | $1,042,553 | [COM2022-03920](https://nearbypermits.com/baltimore/permit/COM2022-03920/) |
| Jan 26, 2023 | Fire systems | reinstate original permit.(original permit:com2019-02437:installing a new nfpa 13 wet pipe sprinkler system (46 heads) as per plans as per code.) original permit description:(com2019-02437) installing a new nfpa 13 wet pipe sprinkler system (46 heads) as per plans as per code. | Not listed | [COM2023-51857](https://nearbypermits.com/baltimore/permit/COM2023-51857/) |
| Oct 27, 2021 | Fire systems | add 52 sprinkler heads to change the layout of the system as per plans as per code. (associated with work done under permit# com2021-53143). | $66,000 | [COM2021-02870](https://nearbypermits.com/baltimore/permit/COM2021-02870/) |
| Mar 2, 2021 | Fire systems | reinstate original permit.(original permit:com2019-02437:installing a new nfpa 13 wet pipe sprinkler system (46 heads) as per plans as per code.) original permit description:(com2019-02437) installing a new nfpa 13 wet pipe sprinkler system (46 heads) as per plans as per code. | Not listed | [COM2021-53143](https://nearbypermits.com/baltimore/permit/COM2021-53143/) |
| Dec 11, 2019 | Fire systems | installing a new nfpa 13 wet pipe sprinkler system (46 heads) as per plans as per code. | $66,000 | [COM2019-02437](https://nearbypermits.com/baltimore/permit/COM2019-02437/) |
| Nov 14, 2019 | Electrical | install (11) # branch circuits/feeders, (1) 45 kw transformer as per code. | $24,200 | [COM2019-83442](https://nearbypermits.com/baltimore/permit/COM2019-83442/) |

## Within ¼ mi since May 1, 2026

0 permits in the circle. From our copy of the city's data (last 24 months).

## Zoning requests nearby

We don't list zoning cases for Baltimore yet. Look them up on the city's Baltimore Municipal Zoning and Appeals Board page: https://www.baltimorecity.gov/mayor/our-work/boards-commissions/boards/baltimore-municipal-zoning-and-appeals-board-bmza

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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 2026-10-18 09:11 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map and all 8 permits at this address: https://nearbypermits.com/baltimore/address/3901-hillen-road/