Nearby Permits
Map of 108 permits within a quarter mile of 9 Knowlton StAlteration or repair, 415 W Fourth St, Oct 1, 2026Alteration or repair, 183 W Eighth St, Sep 28, 2026Plumbing, 163 W Eighth St, Sep 25, 2026Plumbing, 21 Thomas Pk, Sep 25, 2026Plumbing, 207-209 E St, Sep 25, 2026Alteration or repair, 13 Gates St, Sep 25, 2026Alteration or repair, 284 Bowen St, Sep 24, 2026Plumbing, 26 Telegraph St, Sep 24, 2026Plumbing, 368 E Eighth St, Sep 24, 2026Alteration or repair, 75 Old Harbor St, Sep 24, 2026Alteration or repair, 9 Gates St, Sep 22, 2026Roofing, 184 Tudor St, Sep 21, 2026Alteration or repair, 13 Gates St, Sep 18, 2026Alteration or repair, 202 W Seventh St, Sep 16, 2026Roofing, 409 W Fourth St, Sep 16, 2026Alteration or repair, 14 Tuckerman St, Sep 15, 2026Electrical, 235 Old Colony Av, Sep 15, 2026Alteration or repair, 16 Knowlton St, Sep 9, 2026Plumbing, 32a-32 Mercer St, Sep 8, 2026Plumbing, 32a-32 Mercer St, Sep 8, 2026Other, 53 Thomas Pk, Sep 4, 2026Fire systems, 163 W Eighth St, Sep 2, 2026Roofing, 159 E St, Sep 1, 2026Electrical, 13 Knowlton St, Sep 1, 2026Fence, wall or deck, 291 W Fifth St, Aug 31, 2026Alteration or repair, 13 Gates St, Aug 27, 2026Alteration or repair, 21 Grimes St, Aug 26, 2026Plumbing, 235 Old Colony Av, Aug 26, 2026Alteration or repair, 19 Loring St, Aug 25, 2026Alteration or repair, 26 Telegraph St, Aug 25, 2026Electrical, 288 Bowen St, Aug 24, 2026Addition, 63 Telegraph St, Aug 24, 2026Alteration or repair, 235 Old Colony Av, Aug 19, 2026Electrical, 212-214 Old Colony Av, Aug 19, 2026Fire systems, 212-214 Old Colony Av, Aug 19, 2026Electrical, 235 Old Colony Av, Aug 19, 2026Electrical, 212-214 Old Colony Av, Aug 19, 2026Electrical, 163 W Eighth St, Aug 19, 2026Alteration or repair, 32a-32 Mercer St, Aug 19, 2026Electrical, 16 Grimes St, Aug 17, 2026Electrical, 50 Rev Richard A Burke St, Aug 13, 2026Alteration or repair, 63 Telegraph St, Aug 7, 2026Electrical, 8 Atlantic St, Aug 5, 2026Plumbing, 281-281a Dorchester St, Aug 4, 2026Roofing, 50 Rev Richard A Burke St, Jul 31, 2026Plumbing, 58 Thomas Pk, Jul 31, 2026Alteration or repair, 187 W Seventh St, Jul 30, 2026Alteration or repair, 8 Atlantic St, Jul 30, 2026Plumbing, 58 Thomas Pk, Jul 29, 2026Alteration or repair, 32a-32 Mercer St, Jul 28, 2026Alteration or repair, 104 Old Harbor St, Jul 28, 2026Alteration or repair, 32a-32 Mercer St, Jul 27, 2026Plumbing, 21 Grimes St, Jul 24, 2026Electrical, 21 Grimes St, Jul 24, 2026Alteration or repair, 235 Old Colony Av, Jul 21, 2026Plumbing, 30 Mercer St, Jul 17, 2026Alteration or repair, 236-256 Dorchester St, Jul 16, 2026Roofing, 19 Mercer St, Jul 15, 2026Alteration or repair, 188 W Ninth St, Jul 14, 2026Electrical, 232 Old Colony Av, Jul 14, 2026Alteration or repair, 207-209 E St, Jul 13, 2026Electrical, 204 Dorchester St, Jul 13, 2026Electrical, 59 Gates St, Jul 9, 2026Alteration or repair, 21 Atlantic St, Jul 8, 2026Plumbing, 21 Atlantic St, Jul 8, 2026Plumbing, 260-262 Gold St, Jul 6, 2026Electrical, 207-209 E St, Jul 6, 2026Fire systems, 207-209 E St, Jul 6, 2026Electrical, 207-209 E St, Jul 6, 2026Alteration or repair, 205-215 W Sixth St, Jun 30, 2026Alteration or repair, 163 W Eighth St, Jun 30, 2026Plumbing, 59 Gates St, Jun 26, 2026Alteration or repair, 227 E St, Jun 25, 2026Alteration or repair, 21 Thomas Pk, Jun 24, 2026Plumbing, 477 E Fourth St, Jun 23, 2026Electrical, 477 E Fourth St, Jun 22, 2026Alteration or repair, 43 Telegraph St, Jun 22, 2026Alteration or repair, 75 Old Harbor St, Jun 17, 2026Sign, 267 Old Colony Av, Jun 17, 2026Alteration or repair, 143 W Eighth St, Jun 16, 2026Electrical, 235 Old Colony Av, Jun 16, 2026Electrical, 125 Mercer St, Jun 16, 2026Alteration or repair, 207-209 E St, Jun 16, 2026Alteration or repair, 380-380h E Eighth St, Jun 15, 2026Alteration or repair, 403 W Fourth St, Jun 9, 2026Alteration or repair, 43 Telegraph St, Jun 8, 2026Alteration or repair, 59 Gates St, Jun 5, 2026Alteration or repair, 26 Telegraph St, Jun 5, 2026Roofing, 221 W Fifth St, Jun 4, 2026Alteration or repair, 194 Dorchester St, Jun 1, 2026Electrical, 260-262 Gold St, Jun 1, 2026Electrical, 187 Dorchester St, Jun 1, 2026Mechanical (HVAC), 9 Gates St, May 28, 2026Plumbing, 187 Dorchester St, May 28, 2026Electrical, 26 Telegraph St, May 27, 2026Plumbing, 235 Old Colony Av, May 26, 2026Plumbing, 212-214 Old Colony Av, May 24, 2026Plumbing, 212-214 Old Colony Av, May 24, 2026Plumbing, 235 Old Colony Av, May 21, 2026Electrical, 66-68 Gates St, May 21, 2026Plumbing, 289 Dorchester St, May 19, 2026Roofing, 69 Old Harbor St, May 18, 2026Electrical, 235 Old Colony Av, May 14, 2026Electrical, 219 E St, May 12, 2026Plumbing, 235 Old Colony Av, May 11, 2026Plumbing, 260-262 Gold St, May 6, 2026Plumbing, 260-262 Gold St, May 5, 2026Alteration or repair, 260-262 Gold St, May 4, 2026660 ft Map preview
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9 Knowlton St

Boston, MA 02127

The biggest project within a quarter mile since May 1: a $14M alteration or repair at 207-209 E St, permitted Jun 16.

Six permits on record here. The newest, Aug 12, 2025: Replacing furnace with 60,000 BTU Trane furnace and all associated gas work. Within a quarter mile, the city has issued 108 more permits (107 projects) since May 1.

MayJunJulAugSepOct
Within
Since
Here6 permits · 9 Knowlton St
  1. Replacing furnace with 60,000 BTU Trane furnace and all associated gas work
    Plumbing
    Aug 12, 2025$6,000
  2. Construct a wood stairway for second means of egress
    Alteration or repair
    May 18, 2010$10,000
  3. Plumbing renovation for all units
    Plumbing
    Mar 5, 2010$10,000
  4. Gas renovation in all units
    Plumbing
    Mar 5, 2010$3,000
  5. Rewire 3 family to code with public meter and panel,excisting 200 amp service,wire smoke detectors to…
    Electrical
    Mar 2, 2010not listed
  6. Renovations to existing kitchens and baths - upgr elec,plbg,htg sys,plas/bbbd
    Alteration or repair
    Feb 2, 2010$165,000
Sort
Next doorunder 250 ft · 9 permits
  1. Includes running new vent
    26 Telegraph St · 180 ft N · Plumbing
    Sep 24$15,400
  2. Install Vinyl siding and aluminum trims around windows and doors
    16 Knowlton St · 95 ft SE · Alteration or repair
    Sep 9$18,650
  3. Upgrade service from 100AMP to 200AMP
    13 Knowlton St · 45 ft S · Electrical
    Sep 1$7,500
  4. Renovate first-floor kitchen/bath and exterior: demo to studs
    26 Telegraph St · 180 ft N · Alteration or repair
    Aug 25$105,950
  5. Electrician to install wiring associated with combining 2 units into 1 building - 2 units and common meters…
    204 Dorchester St · 220 ft N · Electrical
    Jul 13$25,000
  6. Install IntelliBrace(s) to stabilize bowing or leaning wall(s)
    43 Telegraph St · 240 ft E · Alteration or repair
    Jun 22$13,000
  7. Install 1300sq ft siding including trim and gutters - no structural changes
    43 Telegraph St · 240 ft E · Alteration or repair
    Jun 8$44,988
  8. Insulate walls
    26 Telegraph St · 180 ft N · Alteration or repair
    Jun 5$4,166
  9. 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 · 180 ft N · Electrical
    May 27$12,000
This block250 to 1,000 ft · 52 permits in 51 projects
  1. Remove and reconstruct the existing rear exterior egress stairway and intermediate landings in the same…
    183 W Eighth St · 740 ft NW · Alteration or repair
    Sep 28$49,340
  2. Gut renovation of existing building
    13 Gates St · 530 ft NE · Alteration or repair
    Sep 25$625,000
  3. Insulation &
    284 Bowen St · 820 ft NE · Alteration or repair
    Sep 24$3,887
  4. Amendment to ALT1856561
    75 Old Harbor St · 640 ft E · Alteration or repair
    Sep 24$85,902
  5. Remove interior partition wall to reconfigure existing bedroom
    9 Gates St · 550 ft NE · Alteration or repair
    Sep 22$9,500
  6. Strip and Reroof
    184 Tudor St · 890 ft N · Roofing
    Sep 21$13,469
  7. Pending ALT1895686;Remove select existing interior finishes and non-structural materials
    13 Gates St · 530 ft NE · Alteration or repair
    Sep 18$2,000
  8. Exterior siding replacement and deck replacement
    202 W Seventh St · 600 ft N · Alteration or repair
    Sep 16$41,474
  9. 2 Units baths, kitchens, washing machine connections, water heaters
    32a-32 Mercer St · 320 ft E · Plumbing
    Sep 8$18,500
  10. 2 HVAC, 2 stove
    32a-32 Mercer St · 320 ft E · Plumbing
    Sep 8$4,000
  11. Cut and repoint masonry
    53 Thomas Pk · 990 ft E · Other
    Sep 4$7,500
  12. Remove and replace 1 window
    291 W Fifth St · 880 ft NE · Fence, wall or deck
    Aug 31$10,612
  13. This application is only to declare occupancy
    13 Gates St · 530 ft NE · Alteration or repair
    Aug 27not listed
  14. Provide all labor, materials, equipment
    21 Grimes St · 670 ft NW · Alteration or repair
    Aug 26$101,118
  15. Front updates - Replacing 1 window and 1 screen door
    19 Loring St · 870 ft NW · Alteration or repair
    Aug 25$5,000
  16. Upgrade service to 200A with 3 exterior meters: 2 tenant and 1 common-area
    288 Bowen St · 810 ft NE · Electrical
    Aug 24$2,500
  17. New roof & dormer addition to existing unit 2
    63 Telegraph St · 520 ft E · Addition
    Aug 24$153,400
  18. Run 9 home run of data wire to each closet
    212-214 Old Colony Av · 990 ft W · Electrical
    Aug 19$3,000
  19. Wire a new 9 unit building with a store front
    212-214 Old Colony Av · 990 ft W · Fire systems
    Aug 19$20,000
  20. Wire a new 8 unit building with store front and offices on the top floor
    212-214 Old Colony Av · 990 ft W · Electrical
    Aug 19$170,000
  21. Interior renovation only, demo walls and ceilings
    32a-32 Mercer St · 320 ft E · Alteration or repair
    Aug 19$450,000
  22. 100A service conductor refeed
    16 Grimes St · 730 ft NW · Electrical
    Aug 17$2,200
  23. Building contracted remove HVAC unit and found damaged roof joists
    50 Rev Richard A Burke St · 500 ft S · Electrical
    Aug 13$800
  24. Demolition of interior partition walls and reframe
    63 Telegraph St · 520 ft E · Alteration or repair
    Aug 7$5,000
  25. 2nd floor replace existing shower valve and drain with new shower valve and drain 3rd floor replace existing…
    281-281a Dorchester St · 700 ft W · Plumbing
    Aug 4$3,790
  26. At a Small roof section, remove exiting roofing down to Wood deck
    50 Rev Richard A Burke St · 500 ft S · Roofing
    Jul 31$64,500
  27. Dense pack cellulose on Exterior Walls
    187 W Seventh St · 700 ft NW · Alteration or repair
    Jul 30$6,391
  28. Confirm occupancy of existing 2 family.
    32a-32 Mercer St · 320 ft E · Alteration or repair
    Jul 28not listed
  29. Convert existing single-family dwelling to two-family dwelling
    104 Old Harbor St · 830 ft SE · Alteration or repair
    Jul 28$300,000
  30. Pending;ALT1875365 Occupancy CommitteeTo remove wooden stairs install concrete stairs with granite treads and…
    32a-32 Mercer St · 320 ft E · Alteration or repair
    Jul 27$32,000
  31. Install new boiler Install kitchen sink install dishwasher
    21 Grimes St · 670 ft NW · Plumbing
    Jul 24$14,000
  32. Install devices throughout house
    21 Grimes St · 670 ft NW · Electrical
    Jul 24$2,000
  33. Emergency permit
    30 Mercer St · 310 ft E · Plumbing
    Jul 17$9,500
  34. Fit out of existing core and shell for cafe
    236-256 Dorchester St · 340 ft W · Alteration or repair
    Jul 16$539,442
  35. Strip and re-roof, roof deck replacement in-kind and identical footprint as existing
    19 Mercer St · 280 ft NE · Roofing
    Jul 15$46,100
  36. Remove old decking, install new decking
    188 W Ninth St · 810 ft NW · Alteration or repair
    Jul 14$32,000
  37. 50 amp Hard Wired EV Charger / DCC 9 - 50 amp Installation
    232 Old Colony Av · 910 ft W · Electrical
    Jul 14$6,453
  38. Install mini-split
    59 Gates St · 500 ft SE · Electrical
    Jul 9$10,000
  39. Remove and replace entry door at #215
    205-215 W Sixth St · 970 ft N · Alteration or repair
    Jun 30$3,534
  40. Kitchen and laundry remodel
    59 Gates St · 500 ft SE · Plumbing
    Jun 26$4,500
  41. Building steps to go from existing to deck to rubber roof
    75 Old Harbor St · 640 ft E · Alteration or repair
    Jun 17$85,902
  42. 30kw generator Running 3 phase 240 to a transformer then 120v 50amp twist lock tables to spider boxes to…
    125 Mercer St · 770 ft S · Electrical
    Jun 16$1,500
  43. Remodel kitchen
    59 Gates St · 500 ft SE · Alteration or repair
    Jun 5$27,000
  44. Replacement of (1) Patio Sliding Door
    194 Dorchester St · 290 ft N · Alteration or repair
    Jun 1$10,413
  45. Bathroom reno
    187 Dorchester St · 490 ft N · Electrical
    Jun 1$1,500
  46. Installing 2 zone heat pump system in unit 1
    9 Gates St · 550 ft NE · Mechanical (HVAC)
    May 28$42,427
  47. Bathroom renovation/ plumbing/ shower, vanity, toilet
    187 Dorchester St · 490 ft N · Plumbing
    May 28$3,000
  48. 9 Residential units & 2 commercial units new construction × 2 permits
    212-214 Old Colony Av · 990 ft W · Plumbing
    May 24$255,500
  49. Installation of new 30 Amp circuit for an electric dryer
    66-68 Gates St · 600 ft SE · Electrical
    May 21$900
  50. Install air gap fitting
    289 Dorchester St · 790 ft W · Plumbing
    May 19$2,500
  51. The roof was damaged by wind and the front part has causing leakage to the bedroom so an emergency…
    69 Old Harbor St · 630 ft E · Roofing
    May 18$50,000
Within a quarter mile1,000 ft to ¼ mi · 47 permits
  1. Demolition of the existing three level deck and reconstruction of a new one with specific modifications
    415 W Fourth St · 0.24 mi N · Alteration or repair
    Oct 1$39,000
  2. Baths Kitchens Laundry Water heater
    163 W Eighth St · 0.19 mi NW · Plumbing
    Sep 25$12,500
  3. Remodeling
    21 Thomas Pk · 0.21 mi E · Plumbing
    Sep 25$4,000
  4. Installation of plumbing for a new building consisting of 36 senior living apartments
    207-209 E St · 0.19 mi NW · Plumbing
    Sep 25$850,000
  5. Shower pan
    368 E Eighth St · 0.20 mi SE · Plumbing
    Sep 24$3,000
  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 · 0.24 mi N · Roofing
    Sep 16$11,025
  7. Install 8 replacement windows - no structural work
    14 Tuckerman St · 0.25 mi W · Alteration or repair
    Sep 15$6,452
  8. LV HVAC Controls
    235 Old Colony Av · 0.20 mi W · Electrical
    Sep 15$11,000
  9. Installation of new low voltage fire alarm system
    163 W Eighth St · 0.19 mi NW · Fire systems
    Sep 2$6,000
  10. Strip and remove existing shingles and replace with hardy cement siding on driveway side approximately 650…
    159 E St · 0.22 mi W · Roofing
    Sep 1$8,500
  11. Renovation of commercial plumbing
    235 Old Colony Av · 0.20 mi W · Plumbing
    Aug 26$50,000
  12. 1st floor interior fit out of a yoga studio
    235 Old Colony Av · 0.20 mi W · Alteration or repair
    Aug 19$552,874
  13. Renovation of existing retail space
    235 Old Colony Av · 0.20 mi W · Electrical
    Aug 19$132,000
  14. 3 family full wiring : 3 kitchens
    163 W Eighth St · 0.19 mi NW · Electrical
    Aug 19$33,000
  15. 3 floor bedroom: Fix general use wall receptacles
    8 Atlantic St · 0.23 mi NE · Electrical
    Aug 5$1,400
  16. Replace gas stove in 1st flr kitchen
    58 Thomas Pk · 0.22 mi E · Plumbing
    Jul 31$500
  17. Building a Partition Wall with Misc
    8 Atlantic St · 0.23 mi NE · Alteration or repair
    Jul 30$35,555
  18. Replace fixtures in 2 full & one half baths, and kitchen
    58 Thomas Pk · 0.22 mi E · Plumbing
    Jul 29$8,000
  19. New HVAC, toilet room / shower
    235 Old Colony Av · 0.20 mi W · Alteration or repair
    Jul 21$275,000
  20. Emergency removal and reconstruction of an existing brick site wall
    207-209 E St · 0.19 mi NW · Alteration or repair
    Jul 13not listed
  21. Tub to shower remodel with an acrylic replacement unit and prefabricated base
    21 Atlantic St · 0.20 mi NE · Alteration or repair
    Jul 8$16,121
  22. Tub to shower remodel with an acrylic replacement unit and prefabricated base
    21 Atlantic St · 0.20 mi NE · Plumbing
    Jul 8$4,959
  23. Disconnect existing fireplace, adjust gas piping and venting to allow fireplace to sit lower to the floor
    260-262 Gold St · 0.21 mi NE · Plumbing
    Jul 6$2,500
  24. Provide various low voltage electrical systems for a new 36 unit senior apartment building
    207-209 E St · 0.19 mi NW · Electrical
    Jul 6$10,000
  25. Provide a fire alarm system for a new 36 unit senior apartment building
    207-209 E St · 0.19 mi NW · Fire systems
    Jul 6$50,000
  26. Provide electrical power and lighting systems for a new 36 unit senior apartment building
    207-209 E St · 0.19 mi NW · Electrical
    Jul 6$800,000
  27. Renovation of an existing three family no changes in square footage- full gut renovation new sprinkler system
    163 W Eighth St · 0.19 mi NW · Alteration or repair
    Jun 30$337,050
  28. Remove 1 existing door and replace with 1 new door
    227 E St · 0.21 mi NW · Alteration or repair
    Jun 25$2,144
  29. Basement renovation: Selective demo of damaged sheetrock/framing
    21 Thomas Pk · 0.21 mi E · Alteration or repair
    Jun 24$77,430
  30. Wet bar in the basement on a pump
    477 E Fourth St · 0.24 mi NE · Plumbing
    Jun 23$1,000
  31. 2 counter outlets
    477 E Fourth St · 0.24 mi NE · Electrical
    Jun 22$400
  32. Aluminum Panel sign with box lettering Alfredos Italian Kitchen (ALT1684563)
    267 Old Colony Av · 0.20 mi SW · Sign
    Jun 17$2,500
  33. Remove 7 existing windows and replace with 7 new windows
    143 W Eighth St · 0.24 mi NW · Alteration or repair
    Jun 16$5,882
  34. HVAC Controls
    235 Old Colony Av · 0.20 mi W · Electrical
    Jun 16$10,800
  35. Change of occupancy Affordable Housing: This project involves the renovation of the existing convent building…
    207-209 E St · 0.19 mi NW · Alteration or repair
    Jun 16$14,000,000
  36. Complete gut remodel of an existing two family structure
    380-380h E Eighth St · 0.22 mi E · Alteration or repair
    Jun 15$150,000
  37. Due to dishwasher leak remove cabinets and flooring in kitchen and living room
    403 W Fourth St · 0.25 mi N · Alteration or repair
    Jun 9$20,250
  38. Remove and dispose of existing roof membrane and 2" insulation
    221 W Fifth St · 0.24 mi N · Roofing
    Jun 4$47,925
  39. Light renovation of unit #301 including - Kitchen renovation
    260-262 Gold St · 0.21 mi NE · Electrical
    Jun 1$30,000
  40. Outdoor Kitchen sink connection to existing rough in
    235 Old Colony Av · 0.20 mi W · Plumbing
    May 26$5,000
  41. Tie in roof top grills to existing gas system
    235 Old Colony Av · 0.20 mi W · Plumbing
    May 21$5,000
  42. Demise Retail Space
    235 Old Colony Av · 0.20 mi W · Electrical
    May 14$250,000
  43. Installation of new Light Pole & handhole in sidewalk of 219-221 E Street South Boston
    219 E St · 0.21 mi NW · Electrical
    May 12$2,500
  44. Installation of water piping with valves and meters for future use
    235 Old Colony Av · 0.20 mi W · Plumbing
    May 11$21,000
  45. Disconnect stove
    260-262 Gold St · 0.21 mi NE · Plumbing
    May 6not listed
  46. Disconnect and make safe kitchen sink
    260-262 Gold St · 0.21 mi NE · Plumbing
    May 5$5,000
  47. Light renovation of interior of unit 301
    260-262 Gold St · 0.21 mi NE · Alteration or repair
    May 4$500,000

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Boston Inspectional Services Department updated its data Oct 4, 2026. We checked it Oct 5, 15:31 UTC. Official data.

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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