# Building permits at 809 William St, Baltimore, MD The biggest project within a quarter mile since May 1: a $1.3M project at 1040 William St, permitted May 7. Two permits on record here. The newest, Jul 15: Replacing front windows and some rear windows. Within a quarter mile, the city has issued 45 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Jul 15, 2026 | Addition | 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/) | | Feb 11, 2024 | Roofing | on the front façade, provide at the 1 st and 2 nd floor ceilings four (4) new structural bolts as required for proper waterproofing and structural integrity. new star bolts to be installed into the historic mortar and not the historic bricks. new star bolts to be painted non-high gloss black. new mo | $4,500 | [COM2023-78622](https://nearbypermits.com/baltimore/permit/COM2023-78622/) | ## Within ¼ mi since May 1, 2026 45 permits in the circle. From our copy of the city's data (last 24 months). ### Next door (under 250 ft), 5 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 22, 2026 | [218 E Montgomery St](https://nearbypermits.com/baltimore/address/218-e-montgomery-st/) | 230 ft NE | Addition | 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/) | 240 ft E | Other | Install kitchen sink and Dishwasher | $1,200 | [BRCM-26-018463](https://nearbypermits.com/baltimore/permit/BRCM-26-018463/) | | Jul 16, 2026 | [229 E Montgomery St](https://nearbypermits.com/baltimore/address/229-e-montgomery-st/) | 240 ft E | Electrical | Rewire kitchen as per code | $2,000 | [BRCM-26-014449](https://nearbypermits.com/baltimore/permit/BRCM-26-014449/) | | Jul 11, 2026 | [816 William St](https://nearbypermits.com/baltimore/address/816-william-st/) | 180 ft W | Addition | 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/) | | Jun 29, 2026 | [229 E Montgomery St](https://nearbypermits.com/baltimore/address/229-e-montgomery-st/) | 240 ft E | Other | | $30,000 | [BRCM-26-012006](https://nearbypermits.com/baltimore/permit/BRCM-26-012006/) | ### This block (250 to 1,000 ft), 26 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 29, 2026 | [1001 Light St](https://nearbypermits.com/baltimore/address/1001-light-st/) | 680 ft SW | Other | 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/) | 610 ft N | 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 25, 2026 | [916 Light St](https://nearbypermits.com/baltimore/address/916-light-st/) | 720 ft SW | Alteration or repair | Remove drywall, flooring materials, interior doors. *This permit is for interior demolition only, separate permit will be required for alteration work. As per code. | $500 | [BCCM-26-004265](https://nearbypermits.com/baltimore/permit/BCCM-26-004265/) | | Sep 22, 2026 | [402 A Grindall St](https://nearbypermits.com/baltimore/address/402-a-grindall-st/) | 840 ft SE | Electrical | Adding one 30amp dedicated circuit. | $600 | [BRCM-26-019296](https://nearbypermits.com/baltimore/permit/BRCM-26-019296/) | | Sep 4, 2026 | [30 E Hamburg St](https://nearbypermits.com/baltimore/address/30-e-hamburg-st/) | 890 ft SW | Roofing | New bathroom at 3rd story loft (plumbing fixtures not included in this permit). At the roof, install one black vent roof cap and one black pipe boot. Vent roof cap and pipe boot are not to be highly visible from the street. Separate permits are required for Mechanical, electrical, and plumbing. As p | $7,000 | [BRCM-26-014834](https://nearbypermits.com/baltimore/permit/BRCM-26-014834/) | | Sep 3, 2026 | [117 E Churchill St](https://nearbypermits.com/baltimore/address/117-e-churchill-st/) | 320 ft SW | Addition | 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 31, 2026 | [30 E Hamburg St](https://nearbypermits.com/baltimore/address/30-e-hamburg-st/) | 890 ft SW | Mechanical (HVAC) | Reconstruct ductwork and add bathroom exhaust fan | $750 | [BRCM-26-017823](https://nearbypermits.com/baltimore/permit/BRCM-26-017823/) | | Aug 31, 2026 | [30 E Hamburg St](https://nearbypermits.com/baltimore/address/30-e-hamburg-st/) | 890 ft SW | Electrical | installing 6 circuits | $2,500 | [BRCM-26-017776](https://nearbypermits.com/baltimore/permit/BRCM-26-017776/) | | Aug 24, 2026 | [30 E Hamburg St](https://nearbypermits.com/baltimore/address/30-e-hamburg-st/) | 890 ft SW | Other | 1 full bath (toilet, sink, and shower). | $4,500 | [BRCM-26-017245](https://nearbypermits.com/baltimore/permit/BRCM-26-017245/) | | Aug 19, 2026 | [1037 Light St](https://nearbypermits.com/baltimore/address/1037-light-st/) | 870 ft SW | Electrical | Interior Alterations at the first floor commercial tenant space. New work includes new mop sink, new millwork and equipment, new accessible restroom and associated mechanical, electrical and plumbing to approximately 1,678 sf. Approved For Work only. Subject to the permitted uses and regulations und | $175,000 | [BCCM-26-003182](https://nearbypermits.com/baltimore/permit/BCCM-26-003182/) | | Aug 11, 2026 | [29 E Montgomery St](https://nearbypermits.com/baltimore/address/29-e-montgomery-st/) | 790 ft W | Plumbing | Gas Cooktop Replacement | $140 | [BRCM-26-016185](https://nearbypermits.com/baltimore/permit/BRCM-26-016185/) | | Jul 30, 2026 | [410 Grindall St](https://nearbypermits.com/baltimore/address/410-grindall-st/) | 870 ft SE | 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 24, 2026 | [1033 William St](https://nearbypermits.com/baltimore/address/1033-william-st/) | 800 ft S | Roofing | 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/) | | Jul 17, 2026 | [30 E Hamburg St](https://nearbypermits.com/baltimore/address/30-e-hamburg-st/) | 890 ft SW | Plumbing | Replace sewerline | $2,150 | [BRCM-26-014760](https://nearbypermits.com/baltimore/permit/BRCM-26-014760/) | | Jul 13, 2026 | [726 Light St](https://nearbypermits.com/baltimore/address/726-light-st/) | 640 ft W | Addition | Interior alteration including renovation of two floors, full renovation of one bathroom, and installation of a new bathroom within the existing structure. Work includes interior layout modifications, plumbing, electrical, ventilation, and finishes. Existing windows and exterior doors to be replaced | $60,000 | [BRCM-26-009497](https://nearbypermits.com/baltimore/permit/BRCM-26-009497/) | | Jun 24, 2026 | [327 Warren Ave](https://nearbypermits.com/baltimore/address/327-warren-ave/) | 660 ft SE | 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 18, 2026 | [1100 William St](https://nearbypermits.com/baltimore/address/1100-william-st/) | 950 ft S | 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/) | 510 ft SW | Alteration or repair | Replace existing front door with new. | $500 | [BRCM-26-012069](https://nearbypermits.com/baltimore/permit/BRCM-26-012069/) | | May 24, 2026 | [399 E Pratt St](https://nearbypermits.com/baltimore/address/399-e-pratt-st/) | 490 ft NW | 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/) | 400 ft 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 20, 2026 | [13 E Montgomery St](https://nearbypermits.com/baltimore/address/13-e-montgomery-st/) | 900 ft W | Plumbing | replace gas range new flex connector | $150 | [BRCM-26-010692](https://nearbypermits.com/baltimore/permit/BRCM-26-010692/) | | May 14, 2026 | [708 William St](https://nearbypermits.com/baltimore/address/708-william-st/) | 300 ft NW | Electrical | Replace 40-gallon electric water heater with same. (Electrical only) | $2,785 | [BRCM-26-009723](https://nearbypermits.com/baltimore/permit/BRCM-26-009723/) | | May 7, 2026 | [1040 William St](https://nearbypermits.com/baltimore/address/1040-william-st/) | 760 ft S | Roofing | 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/) | | May 1, 2026 | [924 Light St](https://nearbypermits.com/baltimore/address/924-light-st/) | 750 ft SW | Other | Instal 1.5 ton mini split. Approved For Work only. Subject to the permitted uses and regulations under the provisions of the Zoning Ordinance. | $2,000 | [BCCM-26-000948](https://nearbypermits.com/baltimore/permit/BCCM-26-000948/) | | May 1, 2026 | [922 Light St](https://nearbypermits.com/baltimore/address/922-light-st/) | 750 ft SW | Other | Install 1.5 ton mini split | $2,000 | [BCCM-26-000947](https://nearbypermits.com/baltimore/permit/BCCM-26-000947/) | | May 1, 2026 | [916 Light St](https://nearbypermits.com/baltimore/address/916-light-st/) | 720 ft SW | Other | Install 2 ton mini split Approved For Work Only. Subject to the permitted uses and regulations under the provisions of the Zoning Ordinance. | $2,000 | [BCCM-26-000946](https://nearbypermits.com/baltimore/permit/BCCM-26-000946/) | ### Farther (1,000 ft to ¼ mi), 14 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 17, 2026 | [1036 Light St](https://nearbypermits.com/baltimore/address/1036-light-st/) | 0.19 mi SW | Roofing | Replace heating ventilation and air conditioning system: 2.5ton AC, Coil & Furnace. Approved as per CHAP Authorization to Proceed. At the roof, replace the HVAC condenser unit in-kind with one 2.5-Ton HVAC condenser unit on the existing curb. HVAC condenser and line sets are not to be highly visible | $4,290 | [BRCM-26-018130](https://nearbypermits.com/baltimore/permit/BRCM-26-018130/) | | Aug 12, 2026 | [809 S Hanover St](https://nearbypermits.com/baltimore/address/809-s-hanover-st/) | 0.25 mi W | Fence, wall or deck | Install 27 linear feet of 6 foot high vinyl fence in side yard and rear yard of rowhouse, 4 x 4 posts 8 feet apart and 12 inch deep footers as per code | $2,500 | [BRCM-26-012974](https://nearbypermits.com/baltimore/permit/BRCM-26-012974/) | | Aug 7, 2026 | [1108 Riverside Ave](https://nearbypermits.com/baltimore/address/1108-riverside-ave/) | 0.21 mi SE | Other | | $4,000 | [BRCM-26-016078](https://nearbypermits.com/baltimore/permit/BRCM-26-016078/) | | Jul 31, 2026 | [21 W Hughes St](https://nearbypermits.com/baltimore/address/21-w-hughes-st/) | 0.24 mi W | Addition | On the side elevation, replace two windows at the 2nd floor with glass block windows in ICE or Diamond design. New windows fit the existing historic masonary openings with no additional framing or filler. | $2,200 | [BRCM-26-014318](https://nearbypermits.com/baltimore/permit/BRCM-26-014318/) | | Jul 21, 2026 | [1111 Light St](https://nearbypermits.com/baltimore/address/1111-light-st/) | 0.21 mi S | Fire systems | Rough wire for fire alarms as per plans as per code. | $6,000 | [BCCM-26-001154](https://nearbypermits.com/baltimore/permit/BCCM-26-001154/) | | Jul 17, 2026 | [1100 Light St](https://nearbypermits.com/baltimore/address/1100-light-st/) | 0.23 mi SW | Electrical | The project consists of the interior remodel of the front of house customer and service area of an existing dunkin. Work to include but not limited to: scope of work: ---- level II interior alterations------ - new non-load bearing interior partitions, interior doors, replacement of service area case | $80,000 | [BCCM-26-001145](https://nearbypermits.com/baltimore/permit/BCCM-26-001145/) | | Jul 15, 2026 | [449 Grindall St](https://nearbypermits.com/baltimore/address/449-grindall-st/) | 0.21 mi SE | Mechanical (HVAC) | Replace2-ton air conditioning system | $9,410 | [BRCM-26-014580](https://nearbypermits.com/baltimore/permit/BRCM-26-014580/) | | Jul 9, 2026 | [418 E Cross St](https://nearbypermits.com/baltimore/address/418-e-cross-st/) | 0.20 mi SE | Addition | 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/) | | Jul 6, 2026 | [19 Poultney St](https://nearbypermits.com/baltimore/address/19-poultney-st/) | 0.21 mi SW | Alteration or repair | Along the interior of the rear property line, remove deteriorated CMU site wall between the rear yard and alley. Repair/replace in kind rear concrete pad with new concrete to match existing approximately 30 square feet. As per plans and as per code.. | Not listed | [BRCM-26-012056](https://nearbypermits.com/baltimore/permit/BRCM-26-012056/) | | Jun 10, 2026 | [414 Key Hwy](https://nearbypermits.com/baltimore/address/414-key-hwy/) | 0.22 mi 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 | [400 Key Hwy](https://nearbypermits.com/baltimore/address/400-key-hwy/) | 0.20 mi NE | Electrical | 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/) | | May 14, 2026 | [1121 Riverside Ave](https://nearbypermits.com/baltimore/address/1121-riverside-ave/) | 0.24 mi SE | 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 | [1065 S Charles St](https://nearbypermits.com/baltimore/address/1065-s-charles-st/) | 0.24 mi SW | Fire systems | Fire Alarm - Provide monitor module to interface the tenants in kitchen hood system at Suite 144 - Royal Deli | $2,905 | [BCCM-26-001904](https://nearbypermits.com/baltimore/permit/BCCM-26-001904/) | | May 7, 2026 | [1111 Light St](https://nearbypermits.com/baltimore/address/1111-light-st/) | 0.21 mi S | Fire systems | Add and relocate 65 sprinkler heads in an existing wet system | $10,000 | [BCCM-25-004296](https://nearbypermits.com/baltimore/permit/BCCM-25-004296/) | ## More on this street Other addresses on William St with permits, nearest house number first: - [813 William St](https://nearbypermits.com/baltimore/address/813-william-st/): newest permit Jun 24, 2025 - [814 William St](https://nearbypermits.com/baltimore/address/814-william-st/): newest permit Nov 17, 2025 - [816 William St](https://nearbypermits.com/baltimore/address/816-william-st/): newest permit Jul 11, 2026 - [819 William St](https://nearbypermits.com/baltimore/address/819-william-st/): newest permit Jun 2, 2025 - [833 William St](https://nearbypermits.com/baltimore/address/833-william-st/): newest permit Dec 2, 2025 - [900 William St](https://nearbypermits.com/baltimore/address/900-william-st/): newest permit Dec 5, 2025 - [708 William St](https://nearbypermits.com/baltimore/address/708-william-st/): newest permit May 14, 2026 - [1033 William St](https://nearbypermits.com/baltimore/address/1033-william-st/): newest permit Jul 24, 2026 - [1040 William St](https://nearbypermits.com/baltimore/address/1040-william-st/): newest permit May 7, 2026 - [1100 William St](https://nearbypermits.com/baltimore/address/1100-william-st/): newest permit Jun 18, 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 2026-10-07 00:01 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, both permits at this address and 45 nearby: https://nearbypermits.com/baltimore/address/809-william-st/