20 Mercer St

Boston, MA 02127

Zoning hearing

Nov 5, for 23 Linden St, 0.21 mi east. Zoning requests nearby

At this address

3 permits on record. Newest issued Apr 2: WH Replacement

Within ¼ mile

109 more permits (107 projects) issued since May 1.

Biggest nearby

A $14M alteration or repair at 207-209 E St, permitted Jun 16, within ¼ mile since May 1.

1. WH Replacement × 2 permits

   Plumbing
   Apr 2$425
2. Wireless burglar alarm

   Electrical
   Sep 15, 2014$400

1. Electrical work for bathroom remodel

   9 Gates St · 220 ft NE · Electrical
   Oct 5$3,500
2. Rewire kitchen and bath on 1st floor unit

   26 Telegraph St · 220 ft W · Electrical
   Oct 5$10,000
3. Gut renovation of existing building

   13 Gates St · 190 ft NE · Alteration or repair
   Sep 25$625,000
4. Includes running new vent

   26 Telegraph St · 220 ft W · Plumbing
   Sep 24$15,400
5. Remove interior partition wall to reconfigure existing bedroom

   9 Gates St · 220 ft NE · Alteration or repair
   Sep 22$9,500
6. Pending ALT1895686;Remove select existing interior finishes and non-structural materials

   13 Gates St · 190 ft NE · Alteration or repair
   Sep 18$2,000
7. This application is only to declare occupancy

   13 Gates St · 190 ft NE · Alteration or repair
   Aug 27not listed
8. Renovate first-floor kitchen/bath and exterior: demo to studs

   26 Telegraph St · 220 ft W · Alteration or repair
   Aug 25$105,950
9. Emergency permit

   30 Mercer St · 220 ft S · Plumbing
   Jul 17$9,500
10. Strip and re-roof, roof deck replacement in-kind and identical footprint as existing

    19 Mercer St · 80 ft W · Roofing
    Jul 15$46,100
11. Install IntelliBrace(s) to stabilize bowing or leaning wall(s)

    43 Telegraph St · 120 ft SW · Alteration or repair
    Jun 22$13,000
12. Install 1300sq ft siding including trim and gutters - no structural changes

    43 Telegraph St · 120 ft SW · Alteration or repair
    Jun 8$44,988
13. Insulate walls

    26 Telegraph St · 220 ft W · Alteration or repair
    Jun 5$4,166
14. Replacement of (1) Patio Sliding Door

    194 Dorchester St · 240 ft NW · Alteration or repair
    Jun 1$10,413
15. Installing 2 zone heat pump system in unit 1

    9 Gates St · 220 ft NE · Mechanical (HVAC)
    May 28$42,427
16. Replace 100 amp service (2 60 amp panels) with a 400 amp service (2 200 amp panels and a public) for future…

    26 Telegraph St · 220 ft W · Electrical
    May 27$12,000

1. Upgrade service 200 amps under-ground service for a 2 family unit with 2 gangs meter without public

   104 Old Harbor St · 730 ft SE · Electrical
   Oct 6$5,000
2. To construct a 8x14 shed not to be lived in or for commercial use

   2 Atlantic St · 880 ft NE · Alteration or repair
   Oct 6$9,512
3. Renovation, basement combi unit, 1 full bath

   104 Old Harbor St · 730 ft SE · Plumbing
   Oct 5$18,000
4. Renovation, basement combi unit

   104 Old Harbor St · 730 ft SE · Plumbing
   Oct 5$16,000
5. Demolition of the existing three level deck and reconstruction of a new one with specific modifications

   415 W Fourth St · 990 ft N · Alteration or repair
   Oct 1$39,000
6. Remove and reconstruct the existing rear exterior egress stairway and intermediate landings in the same…

   183 W Eighth St · 950 ft W · Alteration or repair
   Sep 28$49,340
7. Remodeling

   21 Thomas Pk · 800 ft E · Plumbing
   Sep 25$4,000
8. Insulation &

   284 Bowen St · 550 ft N · Alteration or repair
   Sep 24$3,887
9. Shower pan

   368 E Eighth St · 910 ft SE · Plumbing
   Sep 24$3,000
10. Amendment to ALT1856561

    75 Old Harbor St · 460 ft SE · Alteration or repair
    Sep 24$85,902
11. Strip and Reroof

    184 Tudor St · 860 ft NW · Roofing
    Sep 21$13,469
12. Exterior siding replacement and deck replacement

    202 W Seventh St · 580 ft NW · Alteration or repair
    Sep 16$41,474
13. Install Vinyl siding and aluminum trims around windows and doors

    16 Knowlton St · 320 ft SW · Alteration or repair
    Sep 9$18,650
14. 2 Units baths, kitchens, washing machine connections, water heaters

    32a-32 Mercer St · 250 ft S · Plumbing
    Sep 8$18,500
15. 2 HVAC, 2 stove

    32a-32 Mercer St · 250 ft S · Plumbing
    Sep 8$4,000
16. Cut and repoint masonry

    53 Thomas Pk · 790 ft SE · Alteration or repair
    Sep 4$7,500
17. Upgrade service from 100AMP to 200AMP

    13 Knowlton St · 360 ft SW · Electrical
    Sep 1$7,500
18. Remove and replace 1 window

    291 W Fifth St · 600 ft N · Alteration or repair
    Aug 31$10,612
19. Provide all labor, materials, equipment

    21 Grimes St · 840 ft W · Alteration or repair
    Aug 26$101,118
20. Front updates - Replacing 1 window and 1 screen door

    19 Loring St · 990 ft NW · Alteration or repair
    Aug 25$5,000
21. Upgrade service to 200A with 3 exterior meters: 2 tenant and 1 common-area

    288 Bowen St · 530 ft N · Electrical
    Aug 24$2,500
22. New roof & dormer addition to existing unit 2

    63 Telegraph St · 260 ft SE · Addition
    Aug 24$153,400
23. Interior renovation only, demo walls and ceilings

    32a-32 Mercer St · 250 ft S · Alteration or repair
    Aug 19$450,000
24. 100A service conductor refeed

    16 Grimes St · 860 ft NW · Electrical
    Aug 17$2,200
25. Building contracted remove HVAC unit and found damaged roof joists

    50 Rev Richard A Burke St · 800 ft SW · Electrical
    Aug 13$800
26. Demolition of interior partition walls and reframe

    63 Telegraph St · 260 ft SE · Alteration or repair
    Aug 7$5,000
27. 3 floor bedroom: Fix general use wall receptacles

    8 Atlantic St · 860 ft NE · Electrical
    Aug 5$1,400
28. At a Small roof section, remove exiting roofing down to Wood deck

    50 Rev Richard A Burke St · 800 ft SW · Roofing
    Jul 31$64,500
29. Replace gas stove in 1st flr kitchen

    58 Thomas Pk · 960 ft SE · Plumbing
    Jul 31$500
30. Dense pack cellulose on Exterior Walls

    187 W Seventh St · 740 ft NW · Alteration or repair
    Jul 30$6,391
31. Building a Partition Wall with Misc

    8 Atlantic St · 860 ft NE · Alteration or repair
    Jul 30$35,555
32. Replace fixtures in 2 full & one half baths, and kitchen

    58 Thomas Pk · 960 ft SE · Plumbing
    Jul 29$8,000
33. Confirm occupancy of existing 2 family.

    32a-32 Mercer St · 250 ft S · Alteration or repair
    Jul 28not listed
34. Convert existing single-family dwelling to two-family dwelling

    104 Old Harbor St · 730 ft SE · Alteration or repair
    Jul 28$300,000
35. Pending;ALT1875365 Occupancy CommitteeTo remove wooden stairs install concrete stairs with granite treads and…

    32a-32 Mercer St · 250 ft S · Alteration or repair
    Jul 27$32,000
36. Install new boiler Install kitchen sink install dishwasher

    21 Grimes St · 840 ft W · Plumbing
    Jul 24$14,000
37. Install devices throughout house

    21 Grimes St · 840 ft W · Electrical
    Jul 24$2,000
38. Fit out of existing core and shell for cafe

    236-256 Dorchester St · 670 ft W · Alteration or repair
    Jul 16$539,442
39. Electrician to install wiring associated with combining 2 units into 1 building - 2 units and common meters…

    204 Dorchester St · 310 ft W · Electrical
    Jul 13$25,000
40. Install mini-split

    59 Gates St · 470 ft S · Electrical
    Jul 9$10,000
41. Tub to shower remodel with an acrylic replacement unit and prefabricated base

    21 Atlantic St · 720 ft E · Alteration or repair
    Jul 8$16,121
42. Tub to shower remodel with an acrylic replacement unit and prefabricated base

    21 Atlantic St · 720 ft E · Plumbing
    Jul 8$4,959
43. Disconnect existing fireplace, adjust gas piping and venting to allow fireplace to sit lower to the floor

    260-262 Gold St · 860 ft N · Plumbing
    Jul 6$2,500
44. Remove and replace entry door at #215

    205-215 W Sixth St · 920 ft NW · Alteration or repair
    Jun 30$3,534
45. Kitchen and laundry remodel

    59 Gates St · 470 ft S · Plumbing
    Jun 26$4,500
46. Basement renovation: Selective demo of damaged sheetrock/framing

    21 Thomas Pk · 800 ft E · Alteration or repair
    Jun 24$77,430
47. Wet bar in the basement on a pump

    477 E Fourth St · 930 ft NE · Plumbing
    Jun 23$1,000
48. 2 counter outlets

    477 E Fourth St · 930 ft NE · Electrical
    Jun 22$400
49. Building steps to go from existing to deck to rubber roof

    75 Old Harbor St · 460 ft SE · Alteration or repair
    Jun 17$85,902
50. Remodel kitchen

    59 Gates St · 470 ft S · Alteration or repair
    Jun 5$27,000
51. Light renovation of unit #301 including - Kitchen renovation

    260-262 Gold St · 860 ft N · Electrical
    Jun 1$30,000
52. Bathroom reno

    187 Dorchester St · 340 ft NW · Electrical
    Jun 1$1,500
53. Bathroom renovation/ plumbing/ shower, vanity, toilet

    187 Dorchester St · 340 ft NW · Plumbing
    May 28$3,000
54. Installation of new 30 Amp circuit for an electric dryer

    66-68 Gates St · 540 ft SE · Electrical
    May 21$900
55. The roof was damaged by wind and the front part has causing leakage to the bedroom so an emergency…

    69 Old Harbor St · 420 ft SE · Roofing
    May 18$50,000
56. Disconnect stove

    260-262 Gold St · 860 ft N · Plumbing
    May 6not listed
57. Disconnect and make safe kitchen sink

    260-262 Gold St · 860 ft N · Plumbing
    May 5$5,000
58. Light renovation of interior of unit 301

    260-262 Gold St · 860 ft N · Alteration or repair
    May 4$500,000

1. Rough and Finish plumbing work for 2 residential units

   380-380h E Eighth St · 0.19 mi SE · Plumbing
   Oct 5$35,000
2. Two new gas lines for 2 stoves and 2 tankless water heaters

   380-380h E Eighth St · 0.19 mi SE · Plumbing
   Oct 5$8,000
3. National Grid meter swap detected possible gas leak so pressure test and repairs as needed

   506 E Fourth St · 0.23 mi NE · Plumbing
   Sep 30$500
4. Baths Kitchens Laundry Water heater

   163 W Eighth St · 0.22 mi W · Plumbing
   Sep 25$12,500
5. Installation of plumbing for a new building consisting of 36 senior living apartments

   207-209 E St · 0.21 mi NW · Plumbing
   Sep 25$850,000
6. Job address: 109 F St, Boston, MA 02127 Build curbs for the skylights Raise 3 skylights on 8" Interior work

   409 W Fourth St · 0.20 mi N · Roofing
   Sep 16$11,025
7. Installation of new low voltage fire alarm system

   163 W Eighth St · 0.22 mi W · Fire systems
   Sep 2$6,000
8. Strip and ReroofAPPROX 10SQ

   277 Silver St · 0.22 mi N · Roofing
   Aug 28$12,000
9. Repaired & sealed gas leak

   256 E St · 0.25 mi NW · Plumbing
   Aug 21$1,000
10. Run 9 home run of data wire to each closet

    212-214 Old Colony Av · 0.24 mi W · Electrical
    Aug 19$3,000
11. Wire a new 9 unit building with a store front

    212-214 Old Colony Av · 0.24 mi W · Fire systems
    Aug 19$20,000
12. Wire a new 8 unit building with store front and offices on the top floor

    212-214 Old Colony Av · 0.24 mi W · Electrical
    Aug 19$170,000
13. 3 family full wiring : 3 kitchens

    163 W Eighth St · 0.22 mi W · Electrical
    Aug 19$33,000
14. Upgrade service from 100 A to 200 A add meter and move meters to rear of building

    395 W Fourth St · 0.22 mi N · Electrical
    Aug 5$5,000
15. 2nd floor replace existing shower valve and drain with new shower valve and drain 3rd floor replace existing…

    281-281a Dorchester St · 0.19 mi W · Plumbing
    Aug 4$3,790
16. Installing Bryant 24K BTU Outdoor Unit × 2 permits

    4 Jason Te · 0.24 mi SE · Electrical
    Jul 14$26,922
17. Remove old decking, install new decking

    188 W Ninth St · 0.20 mi W · Alteration or repair
    Jul 14$32,000
18. 50 amp Hard Wired EV Charger / DCC 9 - 50 amp Installation

    232 Old Colony Av · 0.23 mi W · Electrical
    Jul 14$6,453
19. Emergency removal and reconstruction of an existing brick site wall

    207-209 E St · 0.21 mi NW · Alteration or repair
    Jul 13not listed
20. Provide various low voltage electrical systems for a new 36 unit senior apartment building

    207-209 E St · 0.21 mi NW · Electrical
    Jul 6$10,000
21. Provide a fire alarm system for a new 36 unit senior apartment building

    207-209 E St · 0.21 mi NW · Fire systems
    Jul 6$50,000
22. Provide electrical power and lighting systems for a new 36 unit senior apartment building

    207-209 E St · 0.21 mi NW · Electrical
    Jul 6$800,000
23. Renovation of an existing three family no changes in square footage- full gut renovation new sprinkler system

    163 W Eighth St · 0.22 mi W · Alteration or repair
    Jun 30$337,050
24. Remove existing deck and build new in existing footprint

    222 W Fifth St · 0.23 mi N · Alteration or repair
    Jun 26$15,876
25. Remove 1 existing door and replace with 1 new door

    227 E St · 0.22 mi NW · Alteration or repair
    Jun 25$2,144
26. 30kw generator Running 3 phase 240 to a transformer then 120v 50amp twist lock tables to spider boxes to…

    125 Mercer St · 0.20 mi SW · Electrical
    Jun 16$1,500
27. Change of occupancy Affordable Housing: This project involves the renovation of the existing convent building…

    207-209 E St · 0.21 mi NW · Alteration or repair
    Jun 16$14,000,000
28. Complete gut remodel of an existing two family structure

    380-380h E Eighth St · 0.19 mi SE · Alteration or repair
    Jun 15$150,000
29. Due to dishwasher leak remove cabinets and flooring in kitchen and living room

    403 W Fourth St · 0.21 mi N · Alteration or repair
    Jun 9$20,250
30. Remove and dispose of existing roof membrane and 2" insulation

    221 W Fifth St · 0.22 mi N · Roofing
    Jun 4$47,925
31. 9 Residential units & 2 commercial units new construction × 2 permits

    212-214 Old Colony Av · 0.24 mi W · Plumbing
    May 24$255,500
32. Install air gap fitting

    289 Dorchester St · 0.21 mi W · Plumbing
    May 19$2,500
33. Installation of new Light Pole & handhole in sidewalk of 219-221 E Street South Boston

    219 E St · 0.22 mi NW · Electrical
    May 12$2,500

Hearings are public: you can comment or attend. Dates can move; check the city's page before you go.

1. Zoning appeal: "This project will consist of two new dormer additions to the attic floor…"

   23 Linden St · 0.21 mi E · Requested · city: "Hearing Scheduled" · case BOA1876006

   Hearing Nov 5 at the Zoning Board of Appeal; details on the city's appeal tracker.

   Hearing Nov 5filed Jul 22
2. To combine two vacant parcels

   219 E St · 0.22 mi NW · Requested · city: "Community Process" · case BOA1895409
   Filed Aug 27
3. To raze existing structure on a separate permit, combine parcels 0701262000…

   51 Gates St · 370 ft S · Requested · city: "Community Process" · case BOA1890064
   Filed Aug 19
4. To install curb cut and driveway

   269 Silver St · 0.24 mi N · No decision posted · city: "Hearing Concluded" · case BOA1807140
   Hearing date Aug 20filed Dec 18, 2025
5. Zoning appeal: "Clarification on scope of work: Demo existing single family home…"

   40 Mercer St · 360 ft S · Requested · city: "Community Process" · case BOA1758953
   Filed Aug 5, 2025
6. Zoning appeal: "New roof & dormer addition to existing unit 2"

   63 Telegraph St · 260 ft SE · Approved · city: "Appeal Closed", decision "Approved" · case BOA1835385
   Decided Jul 24hearing Jul 14

• 19 Mercer St newest permit Jul 15, 2026
• 21 Mercer St newest permit Jul 19, 2025
• 15 Mercer St newest permit May 26, 2026
• 30 Mercer St newest permit Jul 17, 2026
• 5 Mercer St newest permit Sep 15, 2026
• 2 Mercer St newest permit Aug 25, 2025
• 47 Mercer St newest permit Feb 25, 2025
• 125 Mercer St newest permit Jun 16, 2026

Boston Inspectional Services Department updated its data Oct 9, 2026. We checked it Oct 14, 14:55 UTC. See the city's official records.

Zoning requests come from the Boston Zoning Board of Appeal tracker. We read it Oct 14, 10:17 UTC.

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 · Zoning as JSON · MCP tool permits_near, and zoning_requests_near for zoning