# Building permits at 121 Denison St, Baltimore, MD Six permits on record here. The newest, Oct 20, 2025: Permit, no description from the city. Within a quarter mile, the city has issued 48 more permits since May 1. One is for a new building, 760 ft away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Oct 20, 2025 | Other | | $1,000 | [BRCM-25-013068](https://nearbypermits.com/baltimore/permit/BRCM-25-013068/) | | Jul 30, 2025 | Other | | $3,000 | [BRCM-25-012779](https://nearbypermits.com/baltimore/permit/BRCM-25-012779/) | | Jul 21, 2025 | Other | | $1,000 | [BRCM-25-012527](https://nearbypermits.com/baltimore/permit/BRCM-25-012527/) | | Jul 16, 2025 | Other | | $1,000 | [BRCM-25-012550](https://nearbypermits.com/baltimore/permit/BRCM-25-012550/) | | Jul 16, 2025 | Other | | $3,000 | [BRCM-25-012490](https://nearbypermits.com/baltimore/permit/BRCM-25-012490/) | | Feb 28, 2019 | Other | install (1) # sanitary connection (1-2 fam. res.) as per code. | $2,000 | [COM2019-56107](https://nearbypermits.com/baltimore/permit/COM2019-56107/) | ## Within ¼ mi since May 1, 2026 48 permits in the circle. From our copy of the city's data (last 24 months). ### Next door (under 250 ft), 1 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 2, 2026 | [116 Denison St](https://nearbypermits.com/baltimore/address/116-denison-st/) | 150 ft NW | 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/) | ### This block (250 to 1,000 ft), 30 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 21, 2026 | [111 Allendale St](https://nearbypermits.com/baltimore/address/111-allendale-st/) | 550 ft NW | Roofing | Roof Shingle Replacement. 7 sheets of sheathing included. No structural changes. 10-yd dumpster in driveway. As per plans and as per code. | $20,697 | [BRCM-26-018067](https://nearbypermits.com/baltimore/permit/BRCM-26-018067/) | | Sep 15, 2026 | [220 N Culver St](https://nearbypermits.com/baltimore/address/220-n-culver-st/) | 710 ft E | 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 14, 2026 | [107 N Monastery Ave](https://nearbypermits.com/baltimore/address/107-n-monastery-ave/) | 290 ft S | Alteration or repair | Interior alterations to include: demolition category i, replace (2) entry doors - front & rear - same size, same location, replace laminate flooring, basement, 1st and 2nd floor, replace kitchen cabinets and counter tops, replace interior doors as needed, interior paint throughout, replace drywall i | $40,000 | [BRCM-26-018728](https://nearbypermits.com/baltimore/permit/BRCM-26-018728/) | | Sep 12, 2026 | [107 N Monastery Ave](https://nearbypermits.com/baltimore/address/107-n-monastery-ave/) | 290 ft S | Electrical | Scope of work 25 electrical fixtures replacement, replace 2.5 tons 80,000 btus gas furnace, replace 6 plumbing fixtures, re-conect gas for water heater, stove and furnace. | $10,000 | [BRCM-26-018729](https://nearbypermits.com/baltimore/permit/BRCM-26-018729/) | | Sep 11, 2026 | [217 N Edgewood St](https://nearbypermits.com/baltimore/address/217-n-edgewood-st/) | 640 ft N | 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/) | | Sep 9, 2026 | [3502 W Caton Ave](https://nearbypermits.com/baltimore/address/3502-w-caton-ave/) | 640 ft SE | Plumbing | Tub to Tub Replacement. Only Wet Area; No structural Change; the plumbing supply and drains stay in the same location and the walls are not touched. | $13,205 | [BRCM-26-018458](https://nearbypermits.com/baltimore/permit/BRCM-26-018458/) | | Sep 7, 2026 | [3539 W Caton Ave](https://nearbypermits.com/baltimore/address/3539-w-caton-ave/) | 470 ft S | Roofing | Front porch roof remove existing roofing and install new shingle roof, wrap columns, install siding on wall | $17,900 | [BRCM-26-016965](https://nearbypermits.com/baltimore/permit/BRCM-26-016965/) | | Sep 1, 2026 | [139 N Monastery Ave](https://nearbypermits.com/baltimore/address/139-n-monastery-ave/) | 270 ft SE | Other | update kitchen and bathroom floor and painting | $4,000 | [BRCM-26-016223](https://nearbypermits.com/baltimore/permit/BRCM-26-016223/) | | Aug 25, 2026 | [103 N Edgewood St](https://nearbypermits.com/baltimore/address/103-n-edgewood-st/) | 320 ft W | Other | 3 fixtures | $5,000 | [BRCM-26-017477](https://nearbypermits.com/baltimore/permit/BRCM-26-017477/) | | Aug 25, 2026 | [221 Denison St](https://nearbypermits.com/baltimore/address/221-denison-st/) | 680 ft NE | 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/) | 990 ft N | 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/) | 920 ft NE | 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 14, 2026 | [3539 W Caton Ave](https://nearbypermits.com/baltimore/address/3539-w-caton-ave/) | 470 ft S | Alteration or repair | Window replacements, lead paint stabilization | $20,000 | [BRCM-26-016720](https://nearbypermits.com/baltimore/permit/BRCM-26-016720/) | | Aug 11, 2026 | [205 N Edgewood St](https://nearbypermits.com/baltimore/address/205-n-edgewood-st/) | 510 ft N | 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 30, 2026 | [3607 W Saratoga St](https://nearbypermits.com/baltimore/address/3607-w-saratoga-st/) | 750 ft NW | 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/) | | Jul 27, 2026 | [3446 W Caton Ave](https://nearbypermits.com/baltimore/address/3446-w-caton-ave/) | 840 ft SE | Solar | Residential Add on of Battery to the Residents Existing Roof Mounted Solar System as per plans as per code. | $12,319 | [BRCM-26-014860](https://nearbypermits.com/baltimore/permit/BRCM-26-014860/) | | Jul 26, 2026 | [117 N Monastery Ave](https://nearbypermits.com/baltimore/address/117-n-monastery-ave/) | 260 ft SE | Other | Replace service entrance cable | $800 | [BRCM-26-015256](https://nearbypermits.com/baltimore/permit/BRCM-26-015256/) | | Jul 18, 2026 | [129 N Culver St](https://nearbypermits.com/baltimore/address/129-n-culver-st/) | 490 ft SE | Electrical | heavy up to replace damaged equipment and cable from 100 amp to 200 amp | $2,300 | [BRCM-26-014799](https://nearbypermits.com/baltimore/permit/BRCM-26-014799/) | | Jul 18, 2026 | [39 N Culver St](https://nearbypermits.com/baltimore/address/39-n-culver-st/) | 830 ft S | Alteration or repair | Minor repairs and renovations including some demo (replacing drywall as needed), painting, cabinets, interior and exterior door replacements, flooring, tiles, 1 replacement window, No fence. No structural modifications, only replacement of existing cosmetic items. | $2,000 | [BRCM-26-014622](https://nearbypermits.com/baltimore/permit/BRCM-26-014622/) | | Jul 9, 2026 | [313 N Edgewood St](https://nearbypermits.com/baltimore/address/313-n-edgewood-st/) | 920 ft N | Mechanical (HVAC) | Replacement of Air Conditioner and Gas Furnace | $6,200 | [BRCM-26-014175](https://nearbypermits.com/baltimore/permit/BRCM-26-014175/) | | Jul 9, 2026 | [125 N Monastery Ave](https://nearbypermits.com/baltimore/address/125-n-monastery-ave/) | 260 ft SE | Plumbing | Gas Range Replacement | $140 | [BRCM-26-014052](https://nearbypermits.com/baltimore/permit/BRCM-26-014052/) | | Jul 6, 2026 | [3602 W Saratoga St](https://nearbypermits.com/baltimore/address/3602-w-saratoga-st/) | 860 ft NW | 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/) | | Jun 30, 2026 | [59 N Culver St](https://nearbypermits.com/baltimore/address/59-n-culver-st/) | 760 ft S | New building | New Construction; New three-story single-family home. Separate permit will be required for electrical, mechanical and plumbing work. As per plans and as per code.. Approved For Work only. Subject to the permitted uses and regulations under the provisions of the Zoning Ordinance. | $50,000 | [BRCM-26-011199](https://nearbypermits.com/baltimore/permit/BRCM-26-011199/) | | Jun 23, 2026 | [210 N Monastery Ave](https://nearbypermits.com/baltimore/address/210-n-monastery-ave/) | 480 ft NE | Other | | $9,000 | [BRCM-26-012084](https://nearbypermits.com/baltimore/permit/BRCM-26-012084/) | | Jun 15, 2026 | [20 N Monastery Ave](https://nearbypermits.com/baltimore/address/20-n-monastery-ave/) | 920 ft SW | Electrical | Install (1) 20 amp circuit for microwave. | $1,000 | [BRCM-26-012460](https://nearbypermits.com/baltimore/permit/BRCM-26-012460/) | | Jun 4, 2026 | [329 N Grantley St](https://nearbypermits.com/baltimore/address/329-n-grantley-st/) | 930 ft N | 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/) | | May 29, 2026 | [10 N Morley St](https://nearbypermits.com/baltimore/address/10-n-morley-st/) | 860 ft SE | Electrical | Remove the service dfrop from house and meter, install temp pole for temp power for BGE, add 100-amp outdoor panel on Pole. run temp power from new exterior panel to the existing interior panel location so there is power to the house after the tree fell on house. | $2,324 | [BRCM-26-011323](https://nearbypermits.com/baltimore/permit/BRCM-26-011323/) | | May 26, 2026 | [125 N Monastery Ave](https://nearbypermits.com/baltimore/address/125-n-monastery-ave/) | 260 ft SE | Fence, wall or deck | Turning garage into a rec room.Adding 4 outlets, 1 light switch and 4 lights into rec room which was formerly a garage. as per code | $500 | [BRCM-26-004342](https://nearbypermits.com/baltimore/permit/BRCM-26-004342/) | | May 12, 2026 | [109 N Monastery Ave](https://nearbypermits.com/baltimore/address/109-n-monastery-ave/) | 290 ft S | Plumbing | 1 gas test as per code | $500 | [BRCM-26-010055](https://nearbypermits.com/baltimore/permit/BRCM-26-010055/) | | May 12, 2026 | [312 Denison St](https://nearbypermits.com/baltimore/address/312-denison-st/) | 860 ft NE | Other | | $500 | [BRCM-26-009638](https://nearbypermits.com/baltimore/permit/BRCM-26-009638/) | ### Farther (1,000 ft to ¼ mi), 17 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 5, 2026 | [13 S Monastery Ave](https://nearbypermits.com/baltimore/address/13-s-monastery-ave/) | 0.22 mi SW | Other | | $8,000 | [BRCM-26-020288](https://nearbypermits.com/baltimore/permit/BRCM-26-020288/) | | Oct 1, 2026 | [3404 W Mulberry St](https://nearbypermits.com/baltimore/address/3404-w-mulberry-st/) | 0.23 mi N | 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 25, 2026 | [21 S Monastery Ave](https://nearbypermits.com/baltimore/address/21-s-monastery-ave/) | 0.23 mi SW | Plumbing | Gas test only | $100 | [BRCM-26-019643](https://nearbypermits.com/baltimore/permit/BRCM-26-019643/) | | Sep 17, 2026 | [310 Mount Holly St](https://nearbypermits.com/baltimore/address/310-mount-holly-st/) | 0.24 mi NW | Electrical | 200 amp service and 10 circuits per code | $5,000 | [BRCM-26-019092](https://nearbypermits.com/baltimore/permit/BRCM-26-019092/) | | Sep 15, 2026 | [411 N Edgewood St](https://nearbypermits.com/baltimore/address/411-n-edgewood-st/) | 0.23 mi N | Electrical | Replace 100amp service line | $200 | [BRCM-26-018854](https://nearbypermits.com/baltimore/permit/BRCM-26-018854/) | | Aug 22, 2026 | [121 N Hilton St](https://nearbypermits.com/baltimore/address/121-n-hilton-st/) | 0.25 mi SE | Electrical | install 3-ton electric heat pump system, rough in and install distribution system, install 3-50cfm exhaust fans | $10,000 | [BRCM-26-017030](https://nearbypermits.com/baltimore/permit/BRCM-26-017030/) | | Aug 14, 2026 | [1 N Monastery Ave](https://nearbypermits.com/baltimore/address/1-n-monastery-ave/) | 0.19 mi SW | Plumbing | Exterior water service repair | $1,000 | [BRCM-26-016618](https://nearbypermits.com/baltimore/permit/BRCM-26-016618/) | | Aug 10, 2026 | [121 N Hilton St](https://nearbypermits.com/baltimore/address/121-n-hilton-st/) | 0.25 mi SE | Plumbing | Reissuane of original permit - roughins passed on install (11) # plumbing fixtures, (1) # water service pipe (reconstruction), (1) # sanitary connection (reconstruction0, (1) 40000 btu fuel-burning equip, (1) 90000 btu fuel-burning equip as per code. | $1,100 | [BRCM-26-016101](https://nearbypermits.com/baltimore/permit/BRCM-26-016101/) | | Aug 5, 2026 | [121 N Hilton St](https://nearbypermits.com/baltimore/address/121-n-hilton-st/) | 0.25 mi SE | Electrical | Install new wiring lightsand receptacles new 200 amp service | $8,000 | [BRCM-26-016015](https://nearbypermits.com/baltimore/permit/BRCM-26-016015/) | | Jul 27, 2026 | [31 S Monastery Ave](https://nearbypermits.com/baltimore/address/31-s-monastery-ave/) | 0.24 mi SW | Other | | $21,000 | [BRCM-26-013836](https://nearbypermits.com/baltimore/permit/BRCM-26-013836/) | | Jul 16, 2026 | [409 N Edgewood St](https://nearbypermits.com/baltimore/address/409-n-edgewood-st/) | 0.23 mi N | Electrical | Replace 100-amp service line | $1,000 | [BRCM-26-014716](https://nearbypermits.com/baltimore/permit/BRCM-26-014716/) | | Jul 1, 2026 | [400 Denison St](https://nearbypermits.com/baltimore/address/400-denison-st/) | 0.23 mi N | Other | | $500 | [BRCM-26-013574](https://nearbypermits.com/baltimore/permit/BRCM-26-013574/) | | Jun 29, 2026 | [338 Gwynn Ave](https://nearbypermits.com/baltimore/address/338-gwynn-ave/) | 0.21 mi NE | 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 4, 2026 | [3707 W Mulberry St](https://nearbypermits.com/baltimore/address/3707-w-mulberry-st/) | 0.23 mi NW | 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 19, 2026 | [3408 W Caton Ave](https://nearbypermits.com/baltimore/address/3408-w-caton-ave/) | 0.23 mi SE | Other | | $26,540 | [BRCM-26-008963](https://nearbypermits.com/baltimore/permit/BRCM-26-008963/) | | May 13, 2026 | [409 Denison St](https://nearbypermits.com/baltimore/address/409-denison-st/) | 0.24 mi NE | 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/) | | May 6, 2026 | [329 N Edgewood St](https://nearbypermits.com/baltimore/address/329-n-edgewood-st/) | 0.19 mi N | Other | | $8,427 | [BRCM-26-009467](https://nearbypermits.com/baltimore/permit/BRCM-26-009467/) | ## More on this street Other addresses on Denison St with permits, nearest house number first: - [116 Denison St](https://nearbypermits.com/baltimore/address/116-denison-st/): newest permit Sep 2, 2026 - [115 Denison St](https://nearbypermits.com/baltimore/address/115-denison-st/): newest permit Feb 14, 2025 - [130 Denison St](https://nearbypermits.com/baltimore/address/130-denison-st/): newest permit Feb 10, 2026 - [110 Denison St](https://nearbypermits.com/baltimore/address/110-denison-st/): newest permit Feb 17, 2026 - [213 Denison St](https://nearbypermits.com/baltimore/address/213-denison-st/): newest permit Sep 23, 2025 - [221 Denison St](https://nearbypermits.com/baltimore/address/221-denison-st/): newest permit Aug 25, 2026 - [226 Denison St](https://nearbypermits.com/baltimore/address/226-denison-st/): newest permit Apr 22, 2025 - [312 Denison St](https://nearbypermits.com/baltimore/address/312-denison-st/): newest permit May 12, 2026 - [314 Denison St](https://nearbypermits.com/baltimore/address/314-denison-st/): newest permit Mar 5, 2025 - [320 Denison St](https://nearbypermits.com/baltimore/address/320-denison-st/): newest permit Jan 13, 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 06:33 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 6 permits at this address and 48 nearby: https://nearbypermits.com/baltimore/address/121-denison-st/