# Building permits at 300 Warren Ave, Baltimore, MD

The biggest project within a quarter mile since May 1: a $1.3M project at 1040 William St, permitted May 7.

Seven permits on record here. The newest, Mar 15: Permit, no description from the city. Within a quarter mile, the city has issued 31 more permits since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Mar 15, 2026 | Other |  | $7,735 | [BCCM-25-002983](https://nearbypermits.com/baltimore/permit/BCCM-25-002983/) |
| Aug 28, 2025 | Other |  | $13,620 | [BCCM-25-002229](https://nearbypermits.com/baltimore/permit/BCCM-25-002229/) |
| Aug 28, 2025 | Other |  | $14,520 | [BCCM-25-002228](https://nearbypermits.com/baltimore/permit/BCCM-25-002228/) |
| Aug 28, 2025 | Other |  | $29,000 | [BCCM-25-001888](https://nearbypermits.com/baltimore/permit/BCCM-25-001888/) |
| Apr 23, 2025 | Other |  | Not listed | [COM2023-01474](https://nearbypermits.com/baltimore/permit/COM2023-01474/) |
| Mar 18, 2025 | Other |  | $50,000 | [BCCM-25-000132](https://nearbypermits.com/baltimore/permit/BCCM-25-000132/) |
| Sep 7, 2022 | Electrical | install (4) # branch circuits/feeders, (1) 400 amps electric service up to 600v (#amps) as per code. | $5,000 | [COM2022-79651](https://nearbypermits.com/baltimore/permit/COM2022-79651/) |

## Within ¼ mi since May 1, 2026

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

### This block (250 to 1,000 ft), 15 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 22, 2026 | [402 A Grindall St](https://nearbypermits.com/baltimore/address/402-a-grindall-st/) | 620 ft S | Electrical | Adding one 30amp dedicated circuit. | $600 | [BRCM-26-019296](https://nearbypermits.com/baltimore/permit/BRCM-26-019296/) |
| Sep 22, 2026 | [218 E Montgomery St](https://nearbypermits.com/baltimore/address/218-e-montgomery-st/) | 640 ft W | Fence, wall or deck | On the rear elevation, replace the door at the 3rd floor with one gray full-lite fiberglass sliding patio double door with two full-lite sidelights. New door to fit the existing masonry opening with no additional framing or filler. All work to be completed as per information/plans/specs in CHAP file | $5,500 | [BRCM-26-017719](https://nearbypermits.com/baltimore/permit/BRCM-26-017719/) |
| Sep 11, 2026 | [229 E Montgomery St](https://nearbypermits.com/baltimore/address/229-e-montgomery-st/) | 470 ft W | Other | Install kitchen sink and Dishwasher | $1,200 | [BRCM-26-018463](https://nearbypermits.com/baltimore/permit/BRCM-26-018463/) |
| Jul 30, 2026 | [410 Grindall St](https://nearbypermits.com/baltimore/address/410-grindall-st/) | 610 ft S | Alteration or repair | Interior alterations to include: category 1 demo (500 sf) of non bearing stud walls, plaster, trim, flooring &debris. As per code. *This permit is for interior demolition only, separate permit would be required for interior renovations/tenant fitout | $5,000 | [BRCM-26-015457](https://nearbypermits.com/baltimore/permit/BRCM-26-015457/) |
| Jul 16, 2026 | [229 E Montgomery St](https://nearbypermits.com/baltimore/address/229-e-montgomery-st/) | 470 ft W | Electrical | Rewire kitchen as per code | $2,000 | [BRCM-26-014449](https://nearbypermits.com/baltimore/permit/BRCM-26-014449/) |
| Jul 15, 2026 | [449 Grindall St](https://nearbypermits.com/baltimore/address/449-grindall-st/) | 710 ft S | Mechanical (HVAC) | Replace2-ton air conditioning system | $9,410 | [BRCM-26-014580](https://nearbypermits.com/baltimore/permit/BRCM-26-014580/) |
| Jul 15, 2026 | [809 William St](https://nearbypermits.com/baltimore/address/809-william-st/) | 710 ft W | Alteration or repair | Replacing front windows and some rear windows. Approved as per CHAP Authorization to Proceed. Replace eight windows at the 1st, 2nd, and 3rd floors with 6/6 double hung aluminum clad wood windows with Baltimore bullnose trim. Windows to fit the existing historic masonry openings with no additional f | $50,000 | [BRCM-26-011642](https://nearbypermits.com/baltimore/permit/BRCM-26-011642/) |
| Jul 11, 2026 | [816 William St](https://nearbypermits.com/baltimore/address/816-william-st/) | 890 ft W | Alteration or repair | Replace in kind, 6 Double Hung windows on the rear of the home. 1- 3rd floor 2- 2nd floor 3- 1st floor Approved as per CHAP ATP. At the rear elevation, replace six windows at the 1st, 2nd, and 3rd floors with 6/6 double hung fiberglass clad wood windows. Windows to have white exterior sash finish to | $4,800 | [BRCM-26-011285](https://nearbypermits.com/baltimore/permit/BRCM-26-011285/) |
| Jul 9, 2026 | [418 E Cross St](https://nearbypermits.com/baltimore/address/418-e-cross-st/) | 790 ft S | Alteration or repair | Renewal by andersen to remove and replace 5 windows, no structural changes, no widening of existing openings approved for work only. Subject to the permitted uses and regulations under the provisions of the Zoning Ordinance. Approved as per CHAP Authorizations to Proceed. On the front facade, replac | $7,932 | [BRCM-26-013191](https://nearbypermits.com/baltimore/permit/BRCM-26-013191/) |
| Jun 29, 2026 | [229 E Montgomery St](https://nearbypermits.com/baltimore/address/229-e-montgomery-st/) | 470 ft W | Other |  | $30,000 | [BRCM-26-012006](https://nearbypermits.com/baltimore/permit/BRCM-26-012006/) |
| Jun 24, 2026 | [327 Warren Ave](https://nearbypermits.com/baltimore/address/327-warren-ave/) | 420 ft S | Mechanical (HVAC) | Replace existing 4 ton heat pump in the attic and air handler in the ceiling and heating package | $22,827 | [BRCM-26-004750](https://nearbypermits.com/baltimore/permit/BRCM-26-004750/) |
| Jun 22, 2026 | [801 Key Hwy](https://nearbypermits.com/baltimore/address/801-key-hwy/) | 720 ft E | Alteration or repair | Replace existing zone 1 through zone 4 domestic hot water systems with owner provided instantaneous domestic hot water systems. 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 | $84,200 | [BCCM-26-001079](https://nearbypermits.com/baltimore/permit/BCCM-26-001079/) |
| Jun 10, 2026 | [414 Key Hwy](https://nearbypermits.com/baltimore/address/414-key-hwy/) | 660 ft NE | Sign | CHANGE OF SCOPE:This application replaces BCCM-25-001359. SCOPE OF WORK: ------ SIGNAGE ---- - The sign measurements are the same and in the same location, just the footing has changed to using existing footing. AS PER PLANS AND AS PER CODE This property is in an Urban Renewal Plan Area and must fol | $5,000 | [BCCM-26-002062](https://nearbypermits.com/baltimore/permit/BCCM-26-002062/) |
| May 14, 2026 | [708 William St](https://nearbypermits.com/baltimore/address/708-william-st/) | 920 ft W | Plumbing | Replace 40-gallon electric water heater with same. (Electrical only) | $2,785 | [BRCM-26-009723](https://nearbypermits.com/baltimore/permit/BRCM-26-009723/) |
| May 14, 2026 | [400 Key Hwy](https://nearbypermits.com/baltimore/address/400-key-hwy/) | 920 ft N | Other | Installation of a modular, pre-fabricated floating dock to be used for the sole purpose of publicly accessible recreational kayak launch. The floating dock will contain four kayak storage racks, capable of holding a total of 16 kayaks. The dock will have no electricity, water or sewer and no docking | $191,000 | [BCCM-26-000239](https://nearbypermits.com/baltimore/permit/BCCM-26-000239/) |

### Farther (1,000 ft to ¼ mi), 16 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 29, 2026 | [1001 Light St](https://nearbypermits.com/baltimore/address/1001-light-st/) | 0.24 mi SW | Alteration or repair | At the side elevation, scrape deteriorated/flaking using the gentlest means possible, such as a low-pressure water spray (100-400 psi), mild detergent, and natural-bristle hand brushes. Paint and prime the brick masonry wall with Behr 790C-2 Silver Drop. All work to be completed as per information/p | $3,500 | [BCCM-26-003305](https://nearbypermits.com/baltimore/permit/BCCM-26-003305/) |
| Sep 25, 2026 | [601 Light St](https://nearbypermits.com/baltimore/address/601-light-st/) | 0.20 mi NW | Other | Requesting a temporary permit for the Maryland Science Center's Annual Halloween Fundraiser taking place Saturday, October 24, 2026. All proceeds benefit the Science Center's free admission program for all Maryland school students. | $2,000 | [BTEMP-26-00112](https://nearbypermits.com/baltimore/permit/BTEMP-26-00112/) |
| Sep 3, 2026 | [117 E Churchill St](https://nearbypermits.com/baltimore/address/117-e-churchill-st/) | 0.19 mi W | Alteration or repair | On the front facade, remove all windows and pocket install one awning wood composite window at the basement and four 6/6 double hung wood composite windows, at the 1st, 2nd, and 3rd floors. At the 1st floor, replace the door and transom with one 6-panel fiberglass door with a clear punched rectangul | $40,000 | [BRCM-26-017144](https://nearbypermits.com/baltimore/permit/BRCM-26-017144/) |
| Aug 11, 2026 | [913 Valencia Ct](https://nearbypermits.com/baltimore/address/913-valencia-ct/) | 0.19 mi SE | Fence, wall or deck | Existing BGE (1) service serves (3) electrical panels. Add (2) BGE meters and re-feed existing panels so there is (3) separate BGE services. | $15,000 | [BCCM-26-003274](https://nearbypermits.com/baltimore/permit/BCCM-26-003274/) |
| Aug 7, 2026 | [1108 Riverside Ave](https://nearbypermits.com/baltimore/address/1108-riverside-ave/) | 0.20 mi S | Other |  | $4,000 | [BRCM-26-016078](https://nearbypermits.com/baltimore/permit/BRCM-26-016078/) |
| Jul 28, 2026 | [603 Ponte Villas North](https://nearbypermits.com/baltimore/address/603-ponte-villas-north/) | 0.19 mi SE | Mechanical (HVAC) | American Standard Furnace S9X1B060U4P- Single Stage- Up to 96% AFUE American Standard, S9X1 Series 96 Single Stage Gas, 60,000 *American Standard Condenser 5A7A6030A1- Single Stage American Standard, Silver Series 16 Single Stage, 2.5 Ton, A/CBTU, Furnace | $27,610 | [BRCM-26-015296](https://nearbypermits.com/baltimore/permit/BRCM-26-015296/) |
| Jul 24, 2026 | [1033 William St](https://nearbypermits.com/baltimore/address/1033-william-st/) | 0.20 mi SW | Other | Tear off top main roof and install install GAF Ruberoid torch applied granulated rubber roof system Black | $16,750 | [BRCM-26-012786](https://nearbypermits.com/baltimore/permit/BRCM-26-012786/) |
| Jun 18, 2026 | [1100 William St](https://nearbypermits.com/baltimore/address/1100-william-st/) | 0.23 mi SW | Plumbing | Replacing 40 gallon gas water heater, 40000 BTU | $2,399 | [BRCM-26-012797](https://nearbypermits.com/baltimore/permit/BRCM-26-012797/) |
| Jun 9, 2026 | [120 E Hamburg St](https://nearbypermits.com/baltimore/address/120-e-hamburg-st/) | 0.20 mi SW | Alteration or repair | Replace existing front door with new. | $500 | [BRCM-26-012069](https://nearbypermits.com/baltimore/permit/BRCM-26-012069/) |
| May 28, 2026 | [1033 Pier Pointe Landing](https://nearbypermits.com/baltimore/address/1033-pier-pointe-landing/) | 0.19 mi SE | Plumbing | replace gas dryerr new flex connector | $150 | [BRCM-25-021766](https://nearbypermits.com/baltimore/permit/BRCM-25-021766/) |
| May 26, 2026 | [1033 Pier Pointe Landing](https://nearbypermits.com/baltimore/address/1033-pier-pointe-landing/) | 0.19 mi SE | Plumbing | Replace 48-gallon 60,000 Btu gas water heater with the same. | $5,330 | [BRCM-26-010728](https://nearbypermits.com/baltimore/permit/BRCM-26-010728/) |
| May 24, 2026 | [399 E Pratt St](https://nearbypermits.com/baltimore/address/399-e-pratt-st/) | 0.19 mi W | Plumbing | Annual Test/Certify (17) Backflow preventers as per code at the Baltimore City Department of Transportation Piers | Not listed | [BCCM-26-001695](https://nearbypermits.com/baltimore/permit/BCCM-26-001695/) |
| May 22, 2026 | [809 Light St](https://nearbypermits.com/baltimore/address/809-light-st/) | 0.21 mi W | Other | Relocate 200 panel, replace load side cable.as per code Approved For Work only. Subject to the permitted uses and regulations under the provisions of the Zoning Ordinance. | $5,500 | [BCCM-26-001337](https://nearbypermits.com/baltimore/permit/BCCM-26-001337/) |
| May 14, 2026 | [1121 Riverside Ave](https://nearbypermits.com/baltimore/address/1121-riverside-ave/) | 0.21 mi S | Other | Remove 1,000-gallon heating oil UST from exterior of the property. UST in not in use. As per code. | $12,000 | [BCCM-25-004598](https://nearbypermits.com/baltimore/permit/BCCM-25-004598/) |
| May 13, 2026 | [1029 Pier Pointe Landing](https://nearbypermits.com/baltimore/address/1029-pier-pointe-landing/) | 0.19 mi SE | Fire systems | Relocating 1 Sprinkler Head and installing 2 New Sprinkler Heads | $4,000 | [BRCM-26-007383](https://nearbypermits.com/baltimore/permit/BRCM-26-007383/) |
| May 7, 2026 | [1040 William St](https://nearbypermits.com/baltimore/address/1040-william-st/) | 0.22 mi SW | Fire systems | The purpose of this project is the replacement of window/storefront units as well as door systems at Federal Hill Prep School. The scope also includes Installation of DAS to improve cellular reception within the campus and to remove unnecessary louver panels. Complete the following work on all eleva | $1,336,679 | [BCCM-25-002736](https://nearbypermits.com/baltimore/permit/BCCM-25-002736/) |

## 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

## More on this street

Other addresses on Warren Ave with permits, nearest house number first:

- [327 Warren Ave](https://nearbypermits.com/baltimore/address/327-warren-ave/): newest permit Jun 24, 2026
- [228 Warren Ave](https://nearbypermits.com/baltimore/address/228-warren-ave/): newest permit Jul 28, 2025
- [224 Warren Ave](https://nearbypermits.com/baltimore/address/224-warren-ave/): newest permit Jun 25, 2025
- [123 Warren Ave](https://nearbypermits.com/baltimore/address/123-warren-ave/): newest permit Apr 27, 2025
- [119 Warren Ave](https://nearbypermits.com/baltimore/address/119-warren-ave/): newest permit Jan 21, 2026

---
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 23:13 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 7 permits at this address and 31 nearby: https://nearbypermits.com/baltimore/address/300-warren-ave/