# Building permits at 3100 Sun St, Baltimore, MD 10 permits on record here. The newest, Sep 2, 2025: On existing tower, AT&T plans to swap 9 antennas and swap 9 radios. Within a quarter mile, the city has issued 4 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Sep 2, 2025 | Other | On existing tower, AT&T plans to swap 9 antennas and swap 9 radios. There will be NO structure height increase and NO ground disturbance. | $22,000 | [BCCM-25-000540](https://nearbypermits.com/baltimore/permit/BCCM-25-000540/) | | Jun 12, 2024 | Electrical | install (2) # branch circuits/feeders, (1) # fixtures/devices as per code. | $1,000 | [COM2024-69954](https://nearbypermits.com/baltimore/permit/COM2024-69954/) | | Mar 21, 2024 | Other | upgrading equipment at existing sprint cl 148' removing total of (15) antennas. installing (6) new antennas and relocating (3) antennas. no fire referral is required for this site. as per plans as per code. if installing suppression system in equipment cabinet, then separate permit is required. | $30,000 | [COM2024-00147](https://nearbypermits.com/baltimore/permit/COM2024-00147/) | | Dec 18, 2023 | Other | amend permit: change prime contractor. reinstate original permit.(original permit:com2022-79028:scope of work: alterations to include: removal of clearwire/sprint antennas, cabling, equipment cabinets, platform, associated contents and components. as per code. *this permit is for removal only, separ | Not listed | [COM2023-90266](https://nearbypermits.com/baltimore/permit/COM2023-90266/) | | Mar 21, 2023 | Other | extend original permit.(original permit:com2022-02097:remove (12) antennas, (9) rrhs. install (9) antennas, (9) rrhs. misc groundwork as per plans as per code. if installing suppression system in equipment cabinet, then separate permit is required.) original permit description:(com2022-02097) remove | Not listed | [COM2023-57023](https://nearbypermits.com/baltimore/permit/COM2023-57023/) | | Nov 28, 2022 | Other | scope of work: alterations to include: removal of clearwire/sprint antennas, cabling, equipment cabinets, platform, associated contents and components. as per code. *this permit is for removal only, separate permit will be required for installation/construction | $18,500 | [COM2022-79028](https://nearbypermits.com/baltimore/permit/COM2022-79028/) | | Sep 6, 2022 | Other | remove (12) antennas, (9) rrhs. install (9) antennas, (9) rrhs. misc groundwork as per plans as per code. if installing suppression system in equipment cabinet, then separate permit is required. | $15,000 | [COM2022-02097](https://nearbypermits.com/baltimore/permit/COM2022-02097/) | | Jun 30, 2020 | Other | amend permit: add electrical contractor. reinstate original permit.(original permit:com2018-03705:remove & replace (3) panel antennas on the existing tower as per plans as per code. if installing suppression system in equipment cabinet then separate permit is required.) original permit description:( | Not listed | [COM2020-69407](https://nearbypermits.com/baltimore/permit/COM2020-69407/) | | Jan 24, 2020 | Other | reinstate original permit.(original permit:com2018-03705:remove & replace (3) panel antennas on the existing tower as per plans as per code. if installing suppression system in equipment cabinet then separate permit is required.) original permit description:(com2018-03705) remove & replace (3) panel | Not listed | [COM2020-52279](https://nearbypermits.com/baltimore/permit/COM2020-52279/) | | Aug 6, 2019 | Other | reinstate original permit.(original permit:com2018-03705:remove & replace (3) panel antennas on the existing tower as per plans as per code. if installing suppression system in equipment cabinet then separate permit is required.) original permit description:(com2018-03705) remove & replace (3) panel | Not listed | [COM2019-72936](https://nearbypermits.com/baltimore/permit/COM2019-72936/) | ## Within ΒΌ mi since May 1, 2026 4 permits in the circle. From our copy of the city's data (last 24 months). ### This block (250 to 1,000 ft), 4 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jul 17, 2026 | [1500 Carbon Ave](https://nearbypermits.com/baltimore/address/1500-carbon-ave/) | 510 ft E | Fire systems | Add a cell communicator to an existing low voltage fire alarm system. | $4,000 | [BCCM-26-002679](https://nearbypermits.com/baltimore/permit/BCCM-26-002679/) | | Jul 13, 2026 | [1320 Chesapeake Ave](https://nearbypermits.com/baltimore/address/1320-chesapeake-ave/) | 700 ft SW | Electrical | Install a 200 amp single phase outdoor panel on a BGE structure with a 240 volt 30 amp circuit for pole lights. | $5,000 | [BCCM-26-002893](https://nearbypermits.com/baltimore/permit/BCCM-26-002893/) | | Jun 11, 2026 | [1400 Chesapeake Ave](https://nearbypermits.com/baltimore/address/1400-chesapeake-ave/) | 920 ft S | Electrical | Upgrade service to 1200-amps. 480 volt, 3-phase | $10,000 | [BCCM-26-001592](https://nearbypermits.com/baltimore/permit/BCCM-26-001592/) | | May 7, 2026 | [1500 Carbon Ave](https://nearbypermits.com/baltimore/address/1500-carbon-ave/) | 510 ft E | Fire systems | Install fire alarm system as per plans as per code. This property is in an Urban Renewal Plan Area and must follow URP guidelines. For more information visit, https://planning.baltimorecity.gov/planning-plans/urban-renewal | $5,000 | [BCCM-26-000190](https://nearbypermits.com/baltimore/permit/BCCM-26-000190/) | ## 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 --- 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 2026-10-09 03:41 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 10 permits at this address and 4 nearby: https://nearbypermits.com/baltimore/address/3100-sun-st/