421 N Castle St

Baltimore, MD 21231

At this address

4 permits on record. Newest issued Jun 9: Interior Work, Remove and replace approximately 400 square feet of…

Within ¼ mile

85 more permits issued since May 1.

Biggest nearby

A $49M alteration or repair at 528 N Washington St, permitted Aug 4, within ¼ mile since May 1.

1. Interior Work, Remove and replace approximately 400 square feet of existing 4-inch-thick concrete slab in the…

   Alteration or repair
   Jun 9$45,000
2. Use as a single family dwelling

   Other
   Sep 26, 2019not listed
3. Clean and repoint existing brick per baltimore city code

   Alteration or repair
   Aug 8, 2019$2,400
4. 6-13-19 approved with the condition that all window and door replacement assemblies complement the existing…

   Alteration or repair
   Jun 28, 2019$5,500

1. Remove existing material [shingles} and replace with new {shingles} and tpo for the roof and remove 42…

   404 N Castle St · 150 ft SW · Roofing
   Oct 9$50,000
2. Replace exterior door thru the home depot - same size

   2046 Orleans St · 210 ft SE · Alteration or repair
   Jul 28$500
3. Install heating ventilation and air conditioning system

   406 N Chester St · 140 ft SE · Mechanical (HVAC)
   May 18$4,350

1. Water service replacement and gas water heater replacement

   2123 Orleans St · 560 ft SE · Plumbing
   Oct 12$8,000
2. 200amp upgrade panel house rewire

   2211 Jefferson St · 640 ft E · Electrical
   Oct 8$5,000
3. Electrical for kitchen remodel

   128 N Collington Ave · 980 ft SE · Electrical
   Oct 6$1,000
4. Recessed lighting and electrical outlet replacement

   1908 Orleans St · 610 ft W · Electrical
   Oct 4$1,000
5. Interior Renovation of 3rd floor portion to replace existing biostats office suite

   615 N Wolfe St · 880 ft NW · Electrical
   Sep 29$300,000
6. Furnish and Install 125A Service with a 24 Circuit Panel

   2101 E Monument St · 770 ft N · Electrical
   Sep 25$5,000
7. Electrical Work Only Install 100A Service from Meter to Stall #320 Install (1) Switch

   2101 E Monument St · 770 ft N · Electrical
   Sep 25$8,000
8. Replace 95% Gas furnace 60kbtus

   2203 Orleans St · 660 ft SE · Mechanical (HVAC)
   Sep 24$7,000
9. Replace 8 Plumbing Fixtures Bathroom and Kitchen Gas Test and Install Gas Range

   128 N Collington Ave · 980 ft SE · Plumbing
   Sep 22$2,000
10. Ductwork

    2214 E Fayette St · 900 ft SE · Mechanical (HVAC)
    Sep 14$2,000
11. Demolition only- remove flooring, drywall, and interior doors

    2024 Mcelderry St · 590 ft N · Roofing
    Sep 14$50,000
12. Demo Bathroom and Kitchen

    128 N Collington Ave · 980 ft SE · Electrical
    Aug 26$15,000
13. 1 peep hole and door knob on front door and 1 gold hinge bottom

    2221 Jefferson St · 710 ft E · Alteration or repair
    Aug 4$3,312
14. Change of scope

    528 N Washington St · 540 ft NW · Alteration or repair
    Aug 4$49,000,000
15. Replace 2 ac, 4 tons each one replace 2 furnace 80% 110,000 btus

    2224 E Fayette St · 960 ft SE · Mechanical (HVAC)
    Aug 3$16,000
16. Replacing 30 light fixtures and 12 receptacles and 2 dedicated feeds for 30 amp circuit

    2224 E Fayette St · 960 ft SE · Electrical
    Jul 31$3,000
17. Replace 40 gallon electrric water heater

    2212 Orleans St · 670 ft E · Plumbing
    Jul 24$4,800
18. Repair and rebuild exterior brick as needed

    628 N Chester St · 740 ft N · Alteration or repair
    Jul 10$10,000
19. Gas test and inspection

    204 N Chester St · 550 ft S · Plumbing
    Jul 4$750
20. Basement windows paint inside home minor repairs interior doors 2 exterior doors paint inside of home install…

    2126 Jefferson St · 520 ft NE · Alteration or repair
    Jun 29$2,840
21. Replace Front and Rear Windows and Doors

    2137 Jefferson St · 470 ft E · Alteration or repair
    Jun 26$800
22. 2-Wc, 2-vanity, 1-shower, 1-laundry

    2211 Jefferson St · 640 ft E · Other
    Jun 24$3,000
23. Feeder, fixture, A/C, smoke detector

    2211 Jefferson St · 640 ft E · Mechanical (HVAC)
    Jun 24$1,000
24. 10 circuits per code

    502 N Chester St · 290 ft N · Electrical
    Jun 24$5,000
25. Adding new Fire Alarm system to new building

    528 N Washington St · 540 ft NW · Fire systems
    Jun 23$500,000
26. 1- At the front entrance - Replace entire entry door & transom with pre-hung 6-panel metal door with keyed…

    438 N Patterson Park Ave · 880 ft E · Alteration or repair
    Jun 22$3,000
27. Replace heat pump and air handler

    142 N Duncan St · 810 ft SE · Mechanical (HVAC)
    Jun 10$14,082
28. Exterior demo only front facade to be demoed and prepped for repair

    628 N Chester St · 740 ft N · Alteration or repair
    Jun 5$3,000
29. Wall repairs, building new closets

    2211 Jefferson St · 640 ft E · Alteration or repair
    May 26$25,000
30. Replace existing Generator with new Generator

    615 N Wolfe St · 880 ft NW · Electrical
    May 21$340,000
31. Permit, no description from the city

    508 N Duncan St · 440 ft NE · Other
    May 20$1,500
32. Permit, no description from the city

    2231 Orleans St · 870 ft E · Other
    May 19$500
33. Install a Combined Automatic Standpipe and Full Water Based Automatic Fire Protection system in New 9 Story…

    528 N Washington St · 540 ft NW · Fire systems
    May 19$1,689,975
34. Interior Renovation including demo

    203 N Chester St · 580 ft SE · Alteration or repair
    May 8$60,000
35. Permit, no description from the city

    2120 Orleans St · 420 ft E · Other
    May 1$10,000

1. Replace 13' x 6' existing deck boards and 13 FT of handrail on existing handicap ramp

   2305 Mcelderry St · 0.21 mi NE · Fence, wall or deck
   Oct 9$4,000
2. Install flooring in house, paint entire house

   2211 E Monument St · 0.20 mi NE · Alteration or repair
   Oct 8$2,000
3. Replace 60,000 Btu gas furnace

   119 N Duncan St · 0.19 mi SE · Mechanical (HVAC)
   Oct 5$11,270
4. Remove existing medical vacuum pump equipment conduit and wiring and install one new panel and five branch…

   401 N Broadway · 0.23 mi W · Electrical
   Oct 5$100,000
5. Main flat roof remove existing rubber roof

   719 N Chester St · 0.21 mi N · Alteration or repair
   Oct 2$12,700
6. This application is being submitted to replace the expired permit and complete the remaining final…

   2108 E Monument St · 0.20 mi N · Electrical
   Sep 17$15,000
7. New Exterior Work: Demo / Rebuild Existing Rooftop Deck (11'-8" x 16'-10") (Existing Staircase To Be Retained)

   2019 E Fairmount Ave · 0.24 mi S · Fence, wall or deck
   Sep 9$5,000
8. 6 Windows & 2 exterior doors (both same size same location) / 400 SQ FT drywall / perimeter wall framing

   2309 Mcelderry St · 0.22 mi NE · Alteration or repair
   Sep 8$5,000
9. Plumbing - 5 fixtures, W & W / gas - furnace

   2309 Mcelderry St · 0.22 mi NE · Electrical
   Sep 8$7,500
10. EXTERIOR ALTERATIONS ------- Roofing modification work includes but not limited to: - the removal of the…

    600 N Patterson Park Ave · 0.20 mi NE · Roofing
    Sep 2$1,057,000
11. Replacing (2) chilled water air handling units on the 2nd Floor

    1801 E Fayette St · 0.23 mi SW · Mechanical (HVAC)
    Aug 31$400,000
12. The scope of work consists of the replacement of the existing CT imaging equipment with a newer CT imaging…

    1800 Orleans St · 0.23 mi W · Alteration or repair
    Aug 12$775,000
13. Application for underpinning of the basement @ 20 N Chester Street

    20 N Chester St · 0.25 mi S · Other
    Aug 11$30,000
14. Remove/replace 9 windows

    129 N Collington Ave · 0.20 mi SE · Alteration or repair
    Aug 10$11,000
15. Gas Range Replacement

    423 N Patterson Park Ave · 0.19 mi E · Plumbing
    Aug 10$140
16. This project is going through the 3rd party review fast track process

    1800 Orleans St · 0.23 mi W · Fire systems
    Aug 10$4,000
17. Front door knob brass in color 1 wooden slat on back of fence replace 4 feet high gutters and downspouts…

    2310 Jefferson St · 0.22 mi E · Fence, wall or deck
    Aug 6$3,314
18. Level II alterations (equipment) ------ - equipment removal and new equipment replacement for cart washer

    1800 Orleans St · 0.23 mi W · Electrical
    Jul 27$525,000
19. Install eight (8) illuminated exterior signs for the Johns Hopkins Orleans Street Parking Garage

    201 N Broadway · 0.24 mi SW · Fence, wall or deck
    Jul 22$12,100
20. Amendments to approved and issued plans com2024-01522 and bccm-25-003397

    2232 E Monument St · 0.24 mi NE · Alteration or repair
    Jul 16not listed
21. New lighting, lit signage, stone routing

    1800 Orleans St · 0.23 mi W · Sign
    Jul 13$1,255,075
22. The project includes the removal of existing imaging equipment and the installation of new Siemens imaging…

    1800 Orleans St · 0.23 mi W · Addition
    Jul 8$2,500,000
23. Gas Range Replacement

    708 N Duncan St · 0.22 mi N · Plumbing
    Jun 24$140
24. Adding 1 device to existing system

    1800 Orleans St · 0.23 mi W · Alteration or repair
    Jun 23$2,500
25. BFPE International is providing material for an existing Fire Alarm system to be installed at the 301 North…

    301 N Broadway · 0.24 mi SW · Fire systems
    Jun 18$42,590
26. Provide and install six (6) flush mount 2-data locations Provide and install one (1) flush mount 1-data wall…

    1800 Orleans St · 0.23 mi W · Other
    Jun 17$11,500
27. Install a low voltage security system to include: 8 readers

    600 N Wolfe St · 0.23 mi W · Electrical
    Jun 17$21,000
28. Disconnect and make safe existing electrical equipment

    1800 Orleans St · 0.23 mi W · Electrical
    Jun 1$50,000
29. Install NFPA 13D single family home consisting of 13 heads

    2311 Mcelderry St · 0.22 mi NE · Other
    May 29$5,000
30. 2 Ton pump, duct work, 3 exhausts

    2313 Jefferson St · 0.23 mi E · Mechanical (HVAC)
    May 27$4,000
31. AMENDMENT SCOPE OF WORK: ------- INTERIOR ALTERATIONS --------- - This permit amendment addresses revisions…

    600 N Wolfe St · 0.23 mi W · Alteration or repair
    May 27$19,500,000
32. Chang fixtures for two full bathroom groups to include vanity

    723 N Chester St · 0.22 mi N · Other
    May 22$1,100
33. Please amend this permit to add all require licensed professionals before any work can begin ------- interor…

    1800 Orleans St · 0.23 mi W · Alteration or repair
    May 22$50,000
34. *THIRD PARTY PLAN REVIEWED* Reliance's work consists of modifying the existing wet pipe sprinkler system by…

    601 N Broadway · 0.23 mi W · Fire systems
    May 21$9,600
35. The scope of work includes, BFPE removing the existing foam monitor nozzles and foam tanks that protect the…

    1800 Orleans St · 0.23 mi W · Alteration or repair
    May 20$212,800
36. Install and make connections for 2 water closets

    2313 Jefferson St · 0.23 mi E · Plumbing
    May 19$1,600
37. EXTERIOR ALTERATIONS ------ - Creation of 13' width x 9' depth deck

    143 N Patterson Park Ave · 0.25 mi SE · Fence, wall or deck
    May 15$1,000
38. Replace 2-ton heat pump, air handler

    120 N Wolfe St · 0.23 mi SW · Mechanical (HVAC)
    May 14$10,143
39. 200amp service 15 new circuits

    2313 Jefferson St · 0.23 mi E · Electrical
    May 14$2,500
40. THIS IS A REVISION TO COM2022-03556 The clean agent system was expanded to protect Lab 3074A in addition to…

    600 N Wolfe St · 0.23 mi W · Addition
    May 14$29,925
41. Replace (1) 80000 btu furnace and duct work gas by others

    523 N Patterson Park Ave · 0.20 mi E · Mechanical (HVAC)
    May 13$8,500
42. Change to original scope (This permit scope is to amend issued permit bccm-25-001487.) ------- For…

    600 N Wolfe St · 0.23 mi W · Other
    May 13$1,770,000
43. 2 Ton heat pump, duct work, 3 exhausts

    2311 Jefferson St · 0.22 mi E · Mechanical (HVAC)
    May 11$4,000
44. Install two hundred am service, and install thirty circuits

    529 N Patterson Park Ave · 0.21 mi NE · Electrical
    May 8$3,000
45. Amendments to approved and issued plans com2024-01522

    2232 E Monument St · 0.24 mi NE · Alteration or repair
    May 4not listed
46. Replace gas range new flerx connector

    423 N Bradford St · 0.23 mi E · Plumbing
    May 1$150
47. Permit, no description from the city

    28 N Chester St · 0.24 mi S · Other
    May 1$10,000

We don't list zoning cases for Baltimore yet. Look them up on the city's Baltimore Municipal Zoning and Appeals Board page.

• 420 N Castle St newest permit Sep 28, 2025
• 416 N Castle St newest permit Dec 17, 2025
• 415 N Castle St newest permit Dec 11, 2025
• 413 N Castle St newest permit Apr 30, 2026
• 404 N Castle St newest permit Oct 9, 2026
• 513 N Castle St newest permit Nov 18, 2025
• 611 N Castle St newest permit May 19, 2025
• 613 N Castle St newest permit May 6, 2025

Baltimore Department of Housing and Community Development updated its data Oct 14, 2026. We checked it Oct 14, 05:25 UTC. See the city's official records (City of Baltimore, CC BY 3.0).

At this address: every permit the city holds. Nearby: permits from the last two years, from our copy of the city's data.

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