# Building permits at 409 Denison St, Baltimore, MD One permit on record here. The newest, May 13: Remove old boiler. Within a quarter mile, the city has issued 45 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | May 13, 2026 | Plumbing | Remove old boiler. Install 105,000 btu gas boiler with 1/2 backflow device. | $15,766 | [BRCM-26-010161](https://nearbypermits.com/baltimore/permit/BRCM-26-010161/) | ## 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), 4 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 1, 2026 | [3404 W Mulberry St](https://nearbypermits.com/baltimore/address/3404-w-mulberry-st/) | 180 ft W | Fence, wall or deck | Tear down existing 8'X10' front porch Build new porch in kind (no roof work) | $4,000 | [BRCM-26-019614](https://nearbypermits.com/baltimore/permit/BRCM-26-019614/) | | Sep 2, 2026 | [407 Gwynn Ave](https://nearbypermits.com/baltimore/address/407-gwynn-ave/) | 210 ft E | Plumbing | Replace 40-gallon 38,000 Btu gas water heater with the same. | $2,303 | [BRCM-26-017904](https://nearbypermits.com/baltimore/permit/BRCM-26-017904/) | | Jul 6, 2026 | [418 Gwynn Ave](https://nearbypermits.com/baltimore/address/418-gwynn-ave/) | 130 ft NE | Other | | $500 | [BRCM-26-013107](https://nearbypermits.com/baltimore/permit/BRCM-26-013107/) | | Jul 1, 2026 | [400 Denison St](https://nearbypermits.com/baltimore/address/400-denison-st/) | 150 ft W | Other | | $500 | [BRCM-26-013574](https://nearbypermits.com/baltimore/permit/BRCM-26-013574/) | ### This block (250 to 1,000 ft), 31 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 1, 2026 | [3302 W Franklin St](https://nearbypermits.com/baltimore/address/3302-w-franklin-st/) | 420 ft NE | Fence, wall or deck | category I - 989 sq ft-Scope of work: Interior alterations to include: Framing to create new partition walls, install new drywall, install new trim, install new interior and exterior doors, install new finishes, baseboard/trim, paint interior and exterior; install gutters and downspouts; cabinets an | $7,500 | [BRCM-26-020006](https://nearbypermits.com/baltimore/permit/BRCM-26-020006/) | | Sep 15, 2026 | [509 N Edgewood St](https://nearbypermits.com/baltimore/address/509-n-edgewood-st/) | 440 ft NW | Other | Gas - test, stove | $1,200 | [BRCM-26-018871](https://nearbypermits.com/baltimore/permit/BRCM-26-018871/) | | Sep 15, 2026 | [220 N Culver St](https://nearbypermits.com/baltimore/address/220-n-culver-st/) | 970 ft S | Electrical | Install (1) 300 amps electric service up to 600v (#amps), (3) 100 amps existing electrical meters as per code. | $1,500 | [BRCM-26-018862](https://nearbypermits.com/baltimore/permit/BRCM-26-018862/) | | Sep 15, 2026 | [411 N Edgewood St](https://nearbypermits.com/baltimore/address/411-n-edgewood-st/) | 280 ft W | Electrical | Replace 100amp service line | $200 | [BRCM-26-018854](https://nearbypermits.com/baltimore/permit/BRCM-26-018854/) | | Sep 14, 2026 | [3429 Edmondson Ave](https://nearbypermits.com/baltimore/address/3429-edmondson-ave/) | 630 ft N | Plumbing | Water heater replacement | $1,000 | [BRCM-26-018727](https://nearbypermits.com/baltimore/permit/BRCM-26-018727/) | | Sep 11, 2026 | [217 N Edgewood St](https://nearbypermits.com/baltimore/address/217-n-edgewood-st/) | 660 ft SW | Plumbing | Replace 40-gallon 38,000 Btu gas water heater with the same. | Not listed | [BRCM-26-018540](https://nearbypermits.com/baltimore/permit/BRCM-26-018540/) | | Aug 25, 2026 | [221 Denison St](https://nearbypermits.com/baltimore/address/221-denison-st/) | 660 ft S | Mechanical (HVAC) | Install 2 ton heat pump, air handler 7kw this permit replaces expired mechanical permit # com2024-93936 | $10,500 | [BRCM-26-017459](https://nearbypermits.com/baltimore/permit/BRCM-26-017459/) | | Aug 21, 2026 | [326 N Grantley St](https://nearbypermits.com/baltimore/address/326-n-grantley-st/) | 830 ft W | Alteration or repair | Repl r sec w/ storm / replace exterior door thru the home depot - same size, $500 - savage, nakia d. H: | $500 | [BRCM-26-017190](https://nearbypermits.com/baltimore/permit/BRCM-26-017190/) | | Aug 18, 2026 | [321 Denison St](https://nearbypermits.com/baltimore/address/321-denison-st/) | 410 ft S | Plumbing | Replacement 50 Gal Natural Gas 40,000 BTU Water Heater Pan Ball Valve Expansion Tank | $3,031 | [BRCM-26-011475](https://nearbypermits.com/baltimore/permit/BRCM-26-011475/) | | Aug 11, 2026 | [205 N Edgewood St](https://nearbypermits.com/baltimore/address/205-n-edgewood-st/) | 790 ft SW | Alteration or repair | Renewal by andersen to remove and replace 1 entry door and 1 storm door, no structural changes, no widening of existing openings | $3,885 | [BRCM-26-016106](https://nearbypermits.com/baltimore/permit/BRCM-26-016106/) | | Jul 29, 2026 | [3521 Edmondson Ave](https://nearbypermits.com/baltimore/address/3521-edmondson-ave/) | 850 ft NW | Electrical | Scooper work plumbing 4-toilets, 4-sinks, 2-tub, 2-shower, -1-kitchen sink, 1-washer, 1- electrical water heater,Gas work - one Gas furnace 80,000BTU, one stove 14,000BTU, Electrical work 1-200amp panel with service, outlets -35- lights 25, smoke detector -5, 25- circuits, 4-applinces, HVAC work one | $14,500 | [BRCM-26-015473](https://nearbypermits.com/baltimore/permit/BRCM-26-015473/) | | Jul 24, 2026 | [3321 Edmondson Ave](https://nearbypermits.com/baltimore/address/3321-edmondson-ave/) | 640 ft N | Electrical | Scooper work plumbing replaces 4-toilets, 4-sinks, 2-tub, 2-shower, -1-kitchen sink, 1-washer, 1- electrical water heater, Gas - one Gas furnace 80,000, one stove Electrical work 1-200amp panel with service, 26 circuits, 57-fixtures HVAC work one A/c unit 3.5 tons, one gas furnace, ducts, 5- exhaust | $12,800 | [BRCM-26-014890](https://nearbypermits.com/baltimore/permit/BRCM-26-014890/) | | Jul 16, 2026 | [409 N Edgewood St](https://nearbypermits.com/baltimore/address/409-n-edgewood-st/) | 270 ft W | Electrical | Replace 100-amp service line | $1,000 | [BRCM-26-014716](https://nearbypermits.com/baltimore/permit/BRCM-26-014716/) | | Jul 15, 2026 | [3521 Edmondson Ave](https://nearbypermits.com/baltimore/address/3521-edmondson-ave/) | 850 ft NW | Alteration or repair | Scope of work Interior non-structural demolition will be performed throughout the residence, including removal of all interior drywall, all existing flooring (carpet, tile and other finishes), all bathroom fixtures, all kitchen and bathroom cabinets, non-structural partition walls, the concrete slab | $7,500 | [BRCM-26-014594](https://nearbypermits.com/baltimore/permit/BRCM-26-014594/) | | Jul 9, 2026 | [313 N Edgewood St](https://nearbypermits.com/baltimore/address/313-n-edgewood-st/) | 390 ft SW | Mechanical (HVAC) | Replacement of Air Conditioner and Gas Furnace | $6,200 | [BRCM-26-014175](https://nearbypermits.com/baltimore/permit/BRCM-26-014175/) | | Jul 8, 2026 | [3302 W Franklin St](https://nearbypermits.com/baltimore/address/3302-w-franklin-st/) | 420 ft NE | Electrical | Install 200 amp service and 26 circuits gas test, 120000 btu, 80k furnace, 40k stove, 30k btu dryer, 400 exhaust 14 plumbing fixtures water and waste reconstruction, 2.5 ton condenser, new duct work. | $8,200 | [BRCM-26-013624](https://nearbypermits.com/baltimore/permit/BRCM-26-013624/) | | Jul 6, 2026 | [3602 W Saratoga St](https://nearbypermits.com/baltimore/address/3602-w-saratoga-st/) | 960 ft SW | Alteration or repair | Door Replacement. Like to like, same opening. No structural Change involved. | $5,364 | [BRCM-26-013909](https://nearbypermits.com/baltimore/permit/BRCM-26-013909/) | | Jul 6, 2026 | [605 Denison St](https://nearbypermits.com/baltimore/address/605-denison-st/) | 940 ft N | Plumbing | Gas line Pressure test | $1,500 | [BRCM-26-013904](https://nearbypermits.com/baltimore/permit/BRCM-26-013904/) | | Jul 1, 2026 | [3318 Edmondson Ave](https://nearbypermits.com/baltimore/address/3318-edmondson-ave/) | 850 ft N | Other | | $1,600 | [BRCM-26-012163](https://nearbypermits.com/baltimore/permit/BRCM-26-012163/) | | Jun 29, 2026 | [338 Gwynn Ave](https://nearbypermits.com/baltimore/address/338-gwynn-ave/) | 280 ft S | Solar | This project involves the installation of a roof-mounted 6.08KW DC/ 7.600KW AC residential solar PV system under Civic Works Baltimore Shines Program (ARPA-funded), utilizing 15 LONGI SOLAR - LR5-54HPB-405M MODULES (405W) modules paired with 15 SolarEdge U650 power optimizers for enhanced module-lev | $1,800 | [BRCM-26-012604](https://nearbypermits.com/baltimore/permit/BRCM-26-012604/) | | Jun 23, 2026 | [210 N Monastery Ave](https://nearbypermits.com/baltimore/address/210-n-monastery-ave/) | 930 ft S | Other | | $9,000 | [BRCM-26-012084](https://nearbypermits.com/baltimore/permit/BRCM-26-012084/) | | Jun 22, 2026 | [3306 W Franklin St](https://nearbypermits.com/baltimore/address/3306-w-franklin-st/) | 400 ft NE | Plumbing | water heater replacement | $3,000 | [BRCM-26-012995](https://nearbypermits.com/baltimore/permit/BRCM-26-012995/) | | Jun 10, 2026 | [3306 W Franklin St](https://nearbypermits.com/baltimore/address/3306-w-franklin-st/) | 400 ft NE | Electrical | 200 amp service,5 circuits | $2,500 | [BRCM-26-012196](https://nearbypermits.com/baltimore/permit/BRCM-26-012196/) | | Jun 8, 2026 | [3513 Edmondson Ave](https://nearbypermits.com/baltimore/address/3513-edmondson-ave/) | 790 ft NW | Other | Replace Meter - 100A Service | $1,000 | [BRCM-26-011142](https://nearbypermits.com/baltimore/permit/BRCM-26-011142/) | | Jun 4, 2026 | [329 N Grantley St](https://nearbypermits.com/baltimore/address/329-n-grantley-st/) | 710 ft W | Plumbing | Replace 30-gallon 30,000 Btu gas water heater with the same. | $2,162 | [BRCM-26-011761](https://nearbypermits.com/baltimore/permit/BRCM-26-011761/) | | Jun 3, 2026 | [3415 Edmondson Ave](https://nearbypermits.com/baltimore/address/3415-edmondson-ave/) | 610 ft N | Electrical | Install a new 200-amp service 1- new socket and wire with weather head 2- ground system 3- exterior main disconnect 200 amp | $3,000 | [BRCM-26-010059](https://nearbypermits.com/baltimore/permit/BRCM-26-010059/) | | May 19, 2026 | [610 Denison St](https://nearbypermits.com/baltimore/address/610-denison-st/) | 950 ft N | Plumbing | gas test only | $850 | [BRCM-26-010639](https://nearbypermits.com/baltimore/permit/BRCM-26-010639/) | | May 19, 2026 | [3306 W Franklin St](https://nearbypermits.com/baltimore/address/3306-w-franklin-st/) | 400 ft NE | Other | | $45,000 | [BRCM-26-009833](https://nearbypermits.com/baltimore/permit/BRCM-26-009833/) | | May 15, 2026 | [3306 W Franklin St](https://nearbypermits.com/baltimore/address/3306-w-franklin-st/) | 400 ft NE | Mechanical (HVAC) | 3ton Heat pump installation and distribution system | $14,500 | [BRCM-26-009942](https://nearbypermits.com/baltimore/permit/BRCM-26-009942/) | | May 12, 2026 | [312 Denison St](https://nearbypermits.com/baltimore/address/312-denison-st/) | 420 ft S | Other | | $500 | [BRCM-26-009638](https://nearbypermits.com/baltimore/permit/BRCM-26-009638/) | | May 6, 2026 | [329 N Edgewood St](https://nearbypermits.com/baltimore/address/329-n-edgewood-st/) | 320 ft SW | Other | | $8,427 | [BRCM-26-009467](https://nearbypermits.com/baltimore/permit/BRCM-26-009467/) | ### Farther (1,000 ft to ¼ mi), 10 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 13, 2026 | [612 N Edgewood St](https://nearbypermits.com/baltimore/address/612-n-edgewood-st/) | 0.20 mi NW | Plumbing | Emergency water service | $2,000 | [BRCM-26-018510](https://nearbypermits.com/baltimore/permit/BRCM-26-018510/) | | Sep 2, 2026 | [116 Denison St](https://nearbypermits.com/baltimore/address/116-denison-st/) | 0.25 mi SW | Roofing | STRUCTURAL ALTERATIONS - 989 SQ FT Replace missing bricks at the top of the rear of building approx. Repair 2 cracks in wall approx. Demo flat portion of the roof approx. 1,300 sq ft. Install approx. 5 2x12 joists and 10 sheets of 3/4 fire rated plywood. Install base sheet pattern nailed with steel | $140,000 | [BRCM-26-017950](https://nearbypermits.com/baltimore/permit/BRCM-26-017950/) | | Sep 1, 2026 | [139 N Monastery Ave](https://nearbypermits.com/baltimore/address/139-n-monastery-ave/) | 0.25 mi S | Other | update kitchen and bathroom floor and painting | $4,000 | [BRCM-26-016223](https://nearbypermits.com/baltimore/permit/BRCM-26-016223/) | | Jul 30, 2026 | [3607 W Saratoga St](https://nearbypermits.com/baltimore/address/3607-w-saratoga-st/) | 0.20 mi SW | Alteration or repair | front door fix frame and brick molding paint molding put in deadbolt and fix trim on front bottom window repair and paint Install new back exterior door and brick molding paint door and molding fix with new 12 foot downspout and install 2 hangers white in color. Repair first step going in back door | $4,000 | [BRCM-26-005994](https://nearbypermits.com/baltimore/permit/BRCM-26-005994/) | | Jun 28, 2026 | [707 Denison St](https://nearbypermits.com/baltimore/address/707-denison-st/) | 0.24 mi N | Other | | $20,000 | [BRCM-26-012738](https://nearbypermits.com/baltimore/permit/BRCM-26-012738/) | | Jun 19, 2026 | [504 Allendale St](https://nearbypermits.com/baltimore/address/504-allendale-st/) | 0.24 mi W | Mechanical (HVAC) | Replace two 1.5 ton mini split heat pumps | $34,000 | [BRCM-26-012881](https://nearbypermits.com/baltimore/permit/BRCM-26-012881/) | | Jun 17, 2026 | [707 Denison St](https://nearbypermits.com/baltimore/address/707-denison-st/) | 0.24 mi N | Electrical | Existing -15-circuits, 54-fixtures, existing electrical panel with electrical service enter Electrical water heater, 10-plumbing fixtures, 2-toiles, 2-bath-sink, 1-tub, 1-shower, 1-kichen sink, 1- washer, 1- house beat, one heat pump unit 3- tons, existing ducts, 3-bath fan and dryer fan. one gas fu | $7,500 | [BRCM-26-012721](https://nearbypermits.com/baltimore/permit/BRCM-26-012721/) | | Jun 4, 2026 | [3707 W Mulberry St](https://nearbypermits.com/baltimore/address/3707-w-mulberry-st/) | 0.25 mi W | Plumbing | Replace 40-gallon 40,000 Btu gas water heater with the same. | $2,217 | [BRCM-26-011685](https://nearbypermits.com/baltimore/permit/BRCM-26-011685/) | | May 12, 2026 | [3705 W Franklin St](https://nearbypermits.com/baltimore/address/3705-w-franklin-st/) | 0.24 mi W | Plumbing | Gas range replacement | $140 | [BRCM-26-009257](https://nearbypermits.com/baltimore/permit/BRCM-26-009257/) | | May 7, 2026 | [622 Denison St](https://nearbypermits.com/baltimore/address/622-denison-st/) | 0.20 mi N | Electrical | Install 7 branch circuits /feeders as per code. | $3,000 | [BRCM-26-009652](https://nearbypermits.com/baltimore/permit/BRCM-26-009652/) | ## More on this street Other addresses on Denison St with permits, nearest house number first: - [400 Denison St](https://nearbypermits.com/baltimore/address/400-denison-st/): newest permit Jul 1, 2026 - [341 Denison St](https://nearbypermits.com/baltimore/address/341-denison-st/): newest permit Oct 30, 2025 - [325 Denison St](https://nearbypermits.com/baltimore/address/325-denison-st/): newest permit Jul 22, 2025 - [321 Denison St](https://nearbypermits.com/baltimore/address/321-denison-st/): newest permit Aug 18, 2026 - [320 Denison St](https://nearbypermits.com/baltimore/address/320-denison-st/): newest permit Jan 13, 2026 - [314 Denison St](https://nearbypermits.com/baltimore/address/314-denison-st/): newest permit Mar 5, 2025 - [312 Denison St](https://nearbypermits.com/baltimore/address/312-denison-st/): newest permit May 12, 2026 - [513 Denison St](https://nearbypermits.com/baltimore/address/513-denison-st/): newest permit Dec 18, 2025 - [525 Denison St](https://nearbypermits.com/baltimore/address/525-denison-st/): newest permit Apr 14, 2026 - [226 Denison St](https://nearbypermits.com/baltimore/address/226-denison-st/): newest permit Apr 22, 2025 --- 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 15:49 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, the one permit at this address and 45 nearby: https://nearbypermits.com/baltimore/address/409-denison-st/