Nearby Permits
Map of 61 permits within a quarter mile of 18 Mayfair StOther, 6 Humboldt Av, Oct 2, 2026Plumbing, 71 Dale St, Oct 2, 2026Electrical, 6 Humboldt Av, Sep 30, 2026Solar, 2850 Washington St, Sep 29, 2026Electrical, 247 Walnut Av, Sep 25, 2026Roofing, 120 Walnut Av, Sep 23, 2026Alteration or repair, 279 Walnut Av, Sep 22, 2026Alteration or repair, 7 Harold Pk, Sep 21, 2026Plumbing, 76 Munroe St, Sep 16, 2026Plumbing, 12-26 Crestwood Pk, Sep 16, 2026Plumbing, 76 Munroe St, Sep 16, 2026Plumbing, 12-26 Crestwood Pk, Sep 16, 2026Alteration or repair, 205 Walnut Av, Sep 11, 2026Plumbing, 28-38 Crestwood Pk, Sep 10, 2026Plumbing, 28-38 Crestwood Pk, Sep 10, 2026Alteration or repair, 6 Humboldt Av, Sep 8, 2026Electrical, 21 Marcella St, Sep 8, 2026Electrical, 107 Munroe St, Sep 8, 2026Plumbing, 2691 Washington St, Aug 25, 2026Plumbing, 107 Munroe St, Aug 25, 2026Plumbing, 2691 Washington St, Aug 25, 2026Electrical, 2691 Washington St, Aug 24, 2026Roofing, 69 Holworthy St, Aug 21, 2026Electrical, 115 Dale St, Aug 21, 2026Alteration or repair, 139 Thornton St, Aug 20, 2026Grading, 2775 Washington St, Aug 18, 2026Plumbing, 102 Thornton St, Aug 18, 2026Plumbing, 279 Walnut Av, Aug 17, 2026Plumbing, 139 Martin Luther King Jr Bl, Aug 17, 2026Alteration or repair, 2691 Washington St, Aug 7, 2026Other, 139 Martin Luther King Jr Bl, Aug 4, 2026Plumbing, 4-6 Marcella St, Jul 31, 2026Roofing, 78 Harold St, Jul 30, 2026Alteration or repair, 107 Munroe St, Jul 30, 2026Electrical, 108 Harold St, Jul 28, 2026Alteration or repair, 205 Walnut Av, Jul 22, 2026Alteration or repair, 56-86 Codman Pk, Jul 14, 2026Alteration or repair, 57-79 Codman Pk, Jul 14, 2026Alteration or repair, 33-35 Townsend St, Jul 14, 2026Alteration or repair, 2884-2894 Washington St, Jul 14, 2026Roofing, 95 Munroe St, Jul 1, 2026Plumbing, 54 Townsend St, Jun 29, 2026Plumbing, 54 Townsend St, Jun 29, 2026Alteration or repair, 52 Townsend St, Jun 29, 2026Alteration or repair, 50 Townsend St, Jun 29, 2026Electrical, 71 Dale St, Jun 24, 2026Alteration or repair, 50-52 Townsend St, Jun 24, 2026Alteration or repair, 2691 Washington St, Jun 11, 2026Alteration or repair, 151 Townsend St, Jun 11, 2026Alteration or repair, 118-120 Thornton St, Jun 2, 2026Plumbing, 30 Townsend St, May 29, 2026Plumbing, 30 Townsend St, May 29, 2026Electrical, 30 Townsend St, May 29, 2026Roofing, 114 Harrishof St, May 19, 2026Other, 150 Martin Luther King Jr Bl, May 14, 2026Alteration or repair, 145 Townsend St, May 11, 2026Plumbing, 145 Townsend St, May 9, 2026Electrical, 79 Holworthy St, May 8, 2026Roofing, 67 Townsend St, May 6, 2026Fire systems, 160 Harrishof St, May 6, 2026Alteration or repair, 71 Dale St, May 4, 2026660 ft Map preview
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18 Mayfair St

Boston, MA 02119

The biggest project within a quarter mile since May 1: an $860,808 alteration or repair at 56-86 Codman Pk, permitted Jul 14.

Six permits on record here. The newest, Oct 1, 2025: Replace and relocate service and meter sockets. Within a quarter mile, the city has issued 61 more permits (58 projects) since May 1.

MayJunJulAugSepOct
Within
Since
Here6 permits · 18 Mayfair St
  1. Replace and relocate service and meter sockets
    Electrical
    Oct 1, 2025$3,500
  2. Roof mounted solar array of 13 panels @ 5.33 kW/DC × 2 permits
    Solar
    Aug 14, 2025 to Sep 18, 2025$38,848
  3. Gas re test gas company shut off
    Plumbing
    Jun 19, 2018$150
  4. Replace a steam boiler
    Plumbing
    May 8, 2015$500
  5. Replace gas steam boiler 175K btu
    Plumbing
    May 8, 2015$8,500
Sort
Next doorunder 250 ft · 2 permits
  1. We are insulating the walls with cellulose insulation and insulating the rim joist with r-19 fiberglass
    205 Walnut Av · 220 ft SE · Alteration or repair
    Sep 11$6,170
  2. Residential weatherization/air sealing
    205 Walnut Av · 220 ft SE · Alteration or repair
    Jul 22$1,000
This block250 to 1,000 ft · 29 permits in 26 projects
  1. Rooftop solar 21 panels 8.61 kwdc no ESS
    2850 Washington St · 710 ft W · Solar
    Sep 29$42,735
  2. Replace jaws in meter for Eversource AMI project
    247 Walnut Av · 780 ft S · Electrical
    Sep 25$2,000
  3. Scrape old siding and install new hardie plank siding
    7 Harold Pk · 660 ft SE · Alteration or repair
    Sep 21$350,000
  4. Gas combi boiler install × 2 permits
    76 Munroe St · 990 ft SE · Plumbing
    Sep 16$7,500
  5. #12 only - (2) boiler swaps + (1) DHW swap × 2 permits
    12-26 Crestwood Pk · 840 ft SE · Plumbing
    Sep 16$15,000
  6. #38 Only - Remove (2) existing boilers + (1) water heater and install (2) new heating boilers + (1) indirect…
    28-38 Crestwood Pk · 980 ft SE · Plumbing
    Sep 10$14,000
  7. Remove (2) existing boilers + (1) water heater and install (2) new heating boilers + (1) indirect water heater
    28-38 Crestwood Pk · 980 ft SE · Plumbing
    Sep 10$14,000
  8. Half bathroom
    107 Munroe St · 360 ft SE · Electrical
    Sep 8$2,000
  9. New plumbing for a half bathroom
    107 Munroe St · 360 ft SE · Plumbing
    Aug 25$5,000
  10. Complete two 2.25" diameter soil borings to a depth of 10 feet
    2775 Washington St · 850 ft NW · Grading
    Aug 18$5,150
  11. Replace tub to shower
    139 Martin Luther King Jr Bl · 410 ft NW · Plumbing
    Aug 17$1,500
  12. Tub to shower conversion in 2nd bathroom
    139 Martin Luther King Jr Bl · 410 ft NW · Other
    Aug 4$16,363
  13. Gray EZTPO Roofing Replacement on lower back section of flat roof
    78 Harold St · 740 ft SE · Roofing
    Jul 30$8,699
  14. We would like to add a half bath to the first floor living space which would include 1 toilet
    107 Munroe St · 360 ft SE · Alteration or repair
    Jul 30$9,000
  15. Unit A11 Install of all new windows Replacement of full roof with new ice and water replacement of all Pvc…
    56-86 Codman Pk · 960 ft W · Alteration or repair
    Jul 14$860,808
  16. Unit A8 Install of all new windows Replacement of full roof with new ice and water replacement of all Pvc…
    33-35 Townsend St · 690 ft SW · Alteration or repair
    Jul 14$292,122
  17. Strip and reroof
    95 Munroe St · 580 ft SE · Roofing
    Jul 1$22,000
  18. Replacement of gas water heater × 2 permits
    54 Townsend St · 510 ft SW · Plumbing
    Jun 29$2,980
  19. Change occupancy from 3 units to 4 units in conjunction with;ALT1564659
    52 Townsend St · 500 ft SW · Alteration or repair
    Jun 29not listed
  20. Change occupancy from 3 units to 4 units in conjunction with ALT1564659
    50 Townsend St · 510 ft SW · Alteration or repair
    Jun 29not listed
  21. Combine 50 Townsend with 52 Townsend into 1 building to be known as 50-52 Townsend St.;Change occupancy from…
    50-52 Townsend St · 510 ft SW · Alteration or repair
    Jun 24$300,000
  22. Bath Kitchens Laundry's Water heaters
    30 Townsend St · 560 ft W · Plumbing
    May 29$18,000
  23. Range Water heater Furnace
    30 Townsend St · 560 ft W · Plumbing
    May 29$6,200
  24. Wiring a 2 family home with all new kitchens and baths and upgrading the service to a 400 amp service
    30 Townsend St · 560 ft W · Electrical
    May 29$36,000
  25. Setting up a hexagon, (2) 20x20
    150 Martin Luther King Jr Bl · 590 ft NE · Other
    May 14$20,670
  26. Strip and reroof
    67 Townsend St · 760 ft SW · Roofing
    May 6$17,500
Within a quarter mile1,000 ft to ¼ mi · 30 permits
  1. Installing 6 zone ductless mini split system
    6 Humboldt Av · 0.23 mi E · Other
    Oct 2$17,000
  2. Replace heating boiler
    71 Dale St · 0.24 mi NE · Plumbing
    Oct 2$5,000
  3. Wiring condenser for ductless mini split system
    6 Humboldt Av · 0.23 mi E · Electrical
    Sep 30$1,500
  4. Church Slate Roof Restoration/Replacement (for affected area only)
    120 Walnut Av · 0.24 mi E · Roofing
    Sep 23$10,000
  5. 2nd floor bathroom: demo drywall bathroom shower and repalce with shower
    279 Walnut Av · 0.24 mi SW · Alteration or repair
    Sep 22$42,230
  6. Install 23 sq replacement siding - no structural work
    6 Humboldt Av · 0.23 mi E · Alteration or repair
    Sep 8$26,417
  7. Low voltage alarm install
    21 Marcella St · 0.23 mi NW · Electrical
    Sep 8$1,200
  8. Work to be done at 2693 Washington;REPLACEING GAS WATER HEATER
    2691 Washington St · 0.24 mi N · Plumbing
    Aug 25$4,500
  9. Work to be done at 2693 washington;replacing flexible gas pipe with hard pipe
    2691 Washington St · 0.24 mi N · Plumbing
    Aug 25$4,500
  10. Rewiring of a hot water heater
    2691 Washington St · 0.24 mi N · Electrical
    Aug 24$750
  11. Strip and reroof
    69 Holworthy St · 0.23 mi S · Roofing
    Aug 21$19,800
  12. Rewire unit take out aluminum wiring and wire with coper wire unit 6
    115 Dale St · 0.20 mi NE · Electrical
    Aug 21$12,000
  13. Demo and rebuild rear porch with in the same footprint
    139 Thornton St · 0.20 mi NW · Alteration or repair
    Aug 20$36,000
  14. Replace gas piping for laundry
    102 Thornton St · 0.23 mi N · Plumbing
    Aug 18$1,250
  15. 2nd floor bathroom shower and valve replacement
    279 Walnut Av · 0.24 mi SW · Plumbing
    Aug 17$8,000
  16. Utility Room: Fire restoration
    2691 Washington St · 0.24 mi N · Alteration or repair
    Aug 7$12,990
  17. Gas furnace replacement
    4-6 Marcella St · 0.19 mi W · Plumbing
    Jul 31$6,500
  18. Wire 3 ton outdoor condenser with disconnect and communication wire
    108 Harold St · 0.19 mi S · Electrical
    Jul 28$1,000
  19. Unit A10 Install of all new windows Replacement of full roof with new ice and water replacement of all Pvc…
    57-79 Codman Pk · 0.22 mi W · Alteration or repair
    Jul 14$674,354
  20. Unit A7 Install of all new windows Replacement of full roof with new ice and water replacement of all Pvc…
    2884-2894 Washington St · 0.20 mi W · Alteration or repair
    Jul 14$384,525
  21. Replace bathroom fan with panasonic bath fan and air cycler smart switch for weatherization work
    71 Dale St · 0.24 mi NE · Electrical
    Jun 24$1,200
  22. Insulation work as part of the MASS Save program
    2691 Washington St · 0.24 mi N · Alteration or repair
    Jun 11$2,000
  23. Change the legal occupancy from a two-family dwelling to a four family-dwelling.
    151 Townsend St · 0.22 mi SE · Alteration or repair
    Jun 11$67,750
  24. Install Intellijack support system to stabilize floor joist or beams as shown
    118-120 Thornton St · 0.20 mi N · Alteration or repair
    Jun 2$8,469
  25. Strip and reroof
    114 Harrishof St · 0.23 mi S · Roofing
    May 19$28,250
  26. Remove existing bathtub to be replaced with new walk in shower & surround walls
    145 Townsend St · 0.21 mi SE · Alteration or repair
    May 11$20,046
  27. Replace tub to shower, lav and toilet
    145 Townsend St · 0.21 mi SE · Plumbing
    May 9$1,500
  28. 60 amp electric service to feed monitoring cabinet
    79 Holworthy St · 0.23 mi S · Electrical
    May 8$10,000
  29. The direct replacement of a fialed convnetional fire panel with a New Addressable FACP and Zone Modules
    160 Harrishof St · 0.19 mi SW · Fire systems
    May 6$32,000
  30. Blown in cellulose insulation at exterior walls
    71 Dale St · 0.24 mi NE · Alteration or repair
    May 4$23,954

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Boston Inspectional Services Department updated its data Oct 4, 2026. We checked it Oct 5, 19:00 UTC. See the city's official records.

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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