1100 William St

Baltimore, MD 21230

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

One permit on record here. The newest, Jun 18: Replacing 40 gallon gas water heater, 40000 BTU. Within a quarter mile, the city has issued 70 more permits since May 1.

1. Replacing 40 gallon gas water heater, 40000 BTU

   Plumbing
   Jun 18$2,399

1. Tear off top main roof and install install GAF Ruberoid torch applied granulated rubber roof system Black

   1033 William St · 180 ft NE · Other
   Jul 24$16,750
2. Rough wire for fire alarms

   1111 Light St · 240 ft SW · Fire systems
   Jul 21$6,000
3. Add and relocate 65 sprinkler heads in an existing wet system

   1111 Light St · 240 ft SW · Fire systems
   May 7$10,000

1. At the side elevation, scrape deteriorated/flaking using the gentlest means possible

   1001 Light St · 570 ft NW · Alteration or repair
   Sep 29$3,500
2. Remove drywall, flooring materials, interior doors

   916 Light St · 760 ft NW · Alteration or repair
   Sep 25$500
3. Dismantle and discard old furnace and A/C system

   1205 Light St · 550 ft SW · Electrical
   Sep 25$12,500
4. Adding one 30amp dedicated circuit

   402 A Grindall St · 710 ft NE · Electrical
   Sep 22$600
5. Replace heating ventilation and air conditioning system: 2.5ton AC

   1036 Light St · 520 ft W · Mechanical (HVAC)
   Sep 17$4,290
6. Lights and outlets for 3 bedrooms - lights and outlets for 2 bathrooms - lights and outlets for the office…

   1278 Battery Ave · 940 ft S · Plumbing
   Sep 9not listed
7. New bathroom at 3rd story loft (plumbing fixtures not included in this permit)

   30 E Hamburg St · 850 ft NW · Plumbing
   Sep 4$7,000
8. On the front facade, remove all windows and pocket install one awning wood composite window at the basement…

   117 E Churchill St · 870 ft N · Alteration or repair
   Sep 3$40,000
9. Dismantle and discard old furnace and a/c units

   1205 Light St · 550 ft SW · Electrical
   Sep 1$12,500
10. Refresh exterior facade paint, same color

    1208 Battery Ave · 480 ft SE · Alteration or repair
    Sep 1$1,000
11. Replace 40,000 btu furnace, 75,000 btu fuernace

    1203 Riverside Ave · 810 ft SE · Mechanical (HVAC)
    Aug 31$12,500
12. Reconstruct ductwork and add bathroom exhaust fan

    30 E Hamburg St · 850 ft NW · Mechanical (HVAC)
    Aug 31$750
13. Installing 6 circuits

    30 E Hamburg St · 850 ft NW · Electrical
    Aug 31$2,500
14. Existing 3 story SFD middle of group rowhome - exterior renovations w/ new site fence no more thsn 6 FT high…

    1251 William St · 730 ft S · Fence, wall or deck
    Aug 31$5,000
15. Replace gas water add expansion tank and drain pan

    406 Folsom St · 940 ft SE · Other
    Aug 25$2,500
16. Complete rough in of drain, waste

    1278 Battery Ave · 940 ft S · Plumbing
    Aug 24$3,000
17. 1 full bath (toilet, sink, and shower)

    30 E Hamburg St · 850 ft NW · Other
    Aug 24$4,500
18. Install a new gas line for gas dryer 20.000 btu

    1271 Battery Ave · 970 ft SE · Plumbing
    Aug 21$1,694
19. Interior Alterations at the first floor commercial tenant space

    1037 Light St · 380 ft W · Electrical
    Aug 19$175,000
20. Installation of one 4 ton A/C system with matching coil and 100,000 BTU gas furnace

    1278 Battery Ave · 940 ft S · Mechanical (HVAC)
    Aug 18$25,000
21. Roof Replacement

    1209 Riverside Ave · 840 ft SE · Roofing
    Aug 18$11,500
22. Permit, no description from the city

    1108 Riverside Ave · 490 ft E · Other
    Aug 7$4,000
23. Interior alterations to include: category 1 demo (500 sf) of non bearing stud walls

    410 Grindall St · 750 ft NE · Alteration or repair
    Jul 30$5,000
24. Replace existing 3 ton ac and 75k btu furnace

    1225 Patapsco St · 920 ft SW · Mechanical (HVAC)
    Jul 28$10,817
25. Remove and replace main and lower roof with new torchdown modbit roofing system as per contract as per code

    1277 William St · 910 ft S · Roofing
    Jul 28$8,490
26. Replace 48-gallon 40,000 Btu gas water heater with the same

    1240 William St · 720 ft S · Plumbing
    Jul 23$4,145
27. Replace 40-gallon 40,000 Btu gas water heater with the same

    1213 Riverside Ave · 850 ft SE · Plumbing
    Jul 22$3,642
28. Replace sewerline

    30 E Hamburg St · 850 ft NW · Plumbing
    Jul 17$2,150
29. The project consists of the interior remodel of the front of house customer and service area of an existing…

    1100 Light St · 520 ft W · Electrical
    Jul 17$80,000
30. Replace2-ton air conditioning system

    449 Grindall St · 950 ft E · Mechanical (HVAC)
    Jul 15$9,410
31. Permit, no description from the city

    1286 Battery Ave · 990 ft S · Other
    Jul 15$10,000
32. Replacing front windows and some rear windows

    809 William St · 950 ft N · Alteration or repair
    Jul 15$50,000
33. Remove and Replace 7 fixtures in Unit # 205 only as per code

    1211 Light St · 610 ft SW · Other
    Jul 15$2,500
34. Replace in kind, 6 Double Hung windows on the rear of the home

    816 William St · 910 ft N · Alteration or repair
    Jul 11$4,800
35. Renewal by andersen to remove and replace 5 windows

    418 E Cross St · 750 ft E · Alteration or repair
    Jul 9$7,932
36. Along the interior of the rear property line

    19 Poultney St · 770 ft W · Alteration or repair
    Jul 6not listed
37. Replace existing 4 ton heat pump in the attic and air handler in the ceiling and heating package

    327 Warren Ave · 810 ft NE · Mechanical (HVAC)
    Jun 24$22,827
38. Paint cornices

    1123 S Charles St · 980 ft W · Other
    Jun 22$2,000
39. Install new vinyl floors throughout kitchen second and third floor

    1247 Battery Ave · 830 ft SE · Alteration or repair
    Jun 12$40,000
40. Replace existing front door with new

    120 E Hamburg St · 530 ft NW · Alteration or repair
    Jun 9$500
41. Permit, no description from the city

    116 E Gittings St · 980 ft S · Other
    Jun 1$3,000
42. Remove and replace rear roof with certainteed flintlastic torch down roofing system w/ iso as per contract as…

    1277 William St · 910 ft S · Roofing
    May 29$8,150
43. Relocate 200 panel, replace load side cable.as per code Approved For Work only

    809 Light St · 990 ft NW · Other
    May 22$5,500
44. Remove 1,000-gallon heating oil UST from exterior of the property

    1121 Riverside Ave · 690 ft E · Other
    May 14$12,000
45. Fire Alarm - Provide monitor module to interface the tenants in kitchen hood system at Suite 144 - Royal Deli

    1065 S Charles St · 710 ft W · Fire systems
    May 13$2,905
46. The purpose of this project is the replacement of window/storefront units as well as door systems at Federal…

    1040 William St · 290 ft NW · Fire systems
    May 7$1,336,679
47. Demo existing floor

    1247 Battery Ave · 830 ft SE · Alteration or repair
    May 4$3,500
48. Instal 1.5 ton mini split

    924 Light St · 720 ft NW · Mechanical (HVAC)
    May 1$2,000
49. Install 1.5 ton mini split

    922 Light St · 730 ft NW · Mechanical (HVAC)
    May 1$2,000
50. Install 2 ton mini split Approved For Work Only

    916 Light St · 760 ft NW · Mechanical (HVAC)
    May 1$2,000

1. Remove and replace main low slope roof with new torchdown modbit roofing system with 1" insulation board as…

   140 E Clement St · 0.22 mi S · Roofing
   Oct 5$7,540
2. On the rear elevation, replace the door at the 3rd floor with one gray full-lite fiberglass sliding patio…

   218 E Montgomery St · 0.22 mi N · Fence, wall or deck
   Sep 22$5,500
3. Gas Dryer and Gas Range Replacement

   1402 William St · 0.20 mi S · Plumbing
   Sep 17$140
4. Install kitchen sink and Dishwasher

   229 E Montgomery St · 0.19 mi N · Other
   Sep 11$1,200
5. Kitchen cabinet Install

   1029 S Hanover St · 0.23 mi W · Other
   Sep 3$7,000
6. Renewal by andersen to remove and replace 5 windows

   1000 S Charles St · 0.21 mi W · Alteration or repair
   Aug 21$9,244
7. Replace 2.5 ton ac, coil, 75,000 btu furnace

   140 E Clement St · 0.22 mi S · Mechanical (HVAC)
   Aug 19$10,500
8. Interior alterations: first, second and third floors interior renovation

   1014 S Charles St · 0.21 mi W · Alteration or repair
   Aug 13$125,000
9. Gas Cooktop Replacement

   29 E Montgomery St · 0.23 mi NW · Plumbing
   Aug 11$140
10. Rewire kitchen as per code

    229 E Montgomery St · 0.19 mi N · Electrical
    Jul 16$2,000
11. Permit, no description from the city

    229 E Montgomery St · 0.19 mi N · Other
    Jun 29$30,000
12. Replace water heater to heat pump water heater

    1239 Riverside Ave · 0.22 mi SE · Electrical
    Jun 8$5,000
13. Add 3 circuits and swapping 16 lights for fire rated

    1210 S Charles St · 0.23 mi SW · Electrical
    May 27$5,000
14. Replace gas range new flex connector

    13 E Montgomery St · 0.25 mi NW · Plumbing
    May 20$150
15. Replace 40-gallon electric water heater with same

    708 William St · 0.23 mi N · Plumbing
    May 14$2,785
16. Replace gas range new flex connector 52000 btus

    406 E Gittings St · 0.22 mi SE · Plumbing
    May 5$150
17. Install 2 100-amp panels and a smoke detector as per code

    1210 S Charles St · 0.23 mi SW · Electrical
    May 3$5,500

• 1040 William St newest permit May 7, 2026
• 1033 William St newest permit Jul 24, 2026
• 1226 William St newest permit Nov 25, 2025
• 1240 William St newest permit Jul 23, 2026
• 1247 William St newest permit Jun 11, 2025
• 1251 William St newest permit Aug 31, 2026
• 1259 William St newest permit Dec 1, 2025
• 1265 William St newest permit Jun 2, 2025
• 1277 William St newest permit Jul 28, 2026
• 1293 William St newest permit Mar 27, 2026

Baltimore Department of Housing and Community Development updated its data Oct 8, 2026. We checked it Oct 8, 04:39 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.

For agents and scripts: This page as Markdown · JSON · Nearby as JSON · MCP tool permits_near