Nearby Permits
Map of 120 permits within a quarter mile of 20 William StPlumbing, 915 Broadway, Oct 5, 2026Plumbing, 37 Mason St, Oct 1, 2026Plumbing, 37 Mason St, Oct 1, 2026Plumbing, 37 Mason St, Oct 1, 2026Electrical, 9 Jay St, Oct 1, 2026Alteration or repair, 12 Powder House Terr, Oct 1, 2026Alteration or repair, 10 Wallace St, Oct 1, 2026Plumbing, 163 Morrison Ave, Sep 29, 2026Electrical, 905 Broadway, Sep 29, 2026Electrical, 7 Corinthian Rd, Sep 29, 2026Alteration or repair, 124 Holland St, Sep 29, 2026Electrical, 124 Holland St, Sep 28, 2026Alteration or repair, 22 Burnham St, Sep 28, 2026Plumbing, 9 Jay St, Sep 17, 2026Electrical, 21 Simpson Ave, Sep 16, 2026Electrical, 9 Jay St, Sep 16, 2026Addition, 7 Corinthian Rd, Sep 16, 2026Electrical, 58 Irving St, Sep 14, 2026Plumbing, 58 Irving St, Sep 10, 2026Plumbing, 58 Irving St, Sep 10, 2026Electrical, 9 Summit St, Sep 9, 2026Mechanical (HVAC), 102 Wallace St, Sep 9, 2026Alteration or repair, 88 Liberty Ave, Sep 9, 2026Sign, 403 Highland Ave, Sep 2, 2026Plumbing, 10 Wallace St, Sep 1, 2026Plumbing, 852 Broadway, Sep 1, 2026Plumbing, 225 Morrison Ave, Sep 1, 2026Plumbing, 852 Broadway, Sep 1, 2026Electrical, 403 Highland Ave, Sep 1, 2026Electrical, 37 Winslow Ave, Sep 1, 2026Electrical, 22 Winslow Ave, Sep 1, 2026Demolition, 1 Walker St, Sep 1, 2026Alteration or repair, 52 Powder House Blvd, Aug 31, 2026Mechanical (HVAC), 35 Irving St, Aug 28, 2026Mechanical (HVAC), 22 Winslow Ave, Aug 27, 2026Alteration or repair, 63 Winslow Ave, Aug 27, 2026Addition, 7 Corinthian Rd, Aug 27, 2026Alteration or repair, 18 Paulina St, Aug 25, 2026Alteration or repair, 21 Simpson Ave, Aug 24, 2026Plumbing, 19 Winter St, Aug 20, 2026Plumbing, 19 Winter St, Aug 20, 2026Alteration or repair, 19 Winter St, Aug 20, 2026Roofing, 37 Winslow Ave, Aug 18, 2026Plumbing, 22 Winslow Ave, Aug 17, 2026Electrical, 102 Wallace St, Aug 17, 2026Alteration or repair, 85 Chandler St, Aug 17, 2026Alteration or repair, 898 Broadway, Aug 17, 2026Alteration or repair, 43 Irving St, Aug 11, 2026Electrical, 34 Irving St, Aug 10, 2026Electrical, 85 Chandler St, Aug 7, 2026Electrical, 23 Irving St, Aug 6, 2026Electrical, 26 Leonard St, Aug 5, 2026Alteration or repair, 34 Irving St, Aug 3, 2026Alteration or repair, 45 Grove St, Aug 3, 2026Plumbing, 18 Paulina St, Jul 30, 2026Electrical, 163 Morrison Ave, Jul 29, 2026Plumbing, 23 Irving St, Jul 28, 2026Electrical, 204 Morrison Ave, Jul 28, 2026Electrical, 44 Foskett St, Jul 27, 2026Alteration or repair, 44 Walker St, Jul 27, 2026Electrical, 1 Walker St, Jul 16, 2026Electrical, 9 Jay St, Jul 16, 2026Electrical, 1 Walker St, Jul 16, 2026Alteration or repair, 19 Winter St, Jul 15, 2026Electrical, 23 Irving St, Jul 14, 2026Mechanical (HVAC), 9 Summit St, Jul 13, 2026Electrical, 26 Chandler St, Jul 13, 2026Alteration or repair, 45 Mason St, Jul 13, 2026Electrical, 898 Broadway, Jul 9, 2026Roofing, 16 Powder House Blvd, Jul 8, 2026Mechanical (HVAC), 53 Chandler St, Jul 7, 2026Solar, 43 Francesca Ave, Jul 7, 2026Electrical, 43 Francesca Ave, Jul 6, 2026Electrical, 45 Grove St, Jul 6, 2026Plumbing, 53 Chandler St, Jul 2, 2026Plumbing, 31 Kidder Ave, Jul 1, 2026Plumbing, 9 Jay St, Jul 1, 2026Electrical, 32 Hall Ave, Jun 30, 2026Alteration or repair, 67 Simpson Ave, Jun 30, 2026Alteration or repair, 23 Irving St, Jun 30, 2026Electrical, 74 Simpson Ave, Jun 24, 2026Alteration or repair, 85 Chandler St, Jun 24, 2026Electrical, 36 Hall Ave, Jun 23, 2026Alteration or repair, 929 Broadway, Jun 18, 2026Electrical, 19 Winter St, Jun 16, 2026Alteration or repair, 36 Hall Ave, Jun 16, 2026Plumbing, 16 Powder House Terr, Jun 15, 2026Plumbing, 16 Powder House Terr, Jun 15, 2026Other, 50 Simpson Ave, Jun 15, 2026Electrical, 19 Winter St, Jun 11, 2026Alteration or repair, 14 Irving St, Jun 11, 2026Alteration or repair, 31 Kidder Ave, Jun 8, 2026Electrical, 12 Park Ave, Jun 4, 2026Electrical, 15 Leonard St, Jun 2, 2026Alteration or repair, 82 Wallace St, Jun 2, 2026Alteration or repair, 9 Jay St, Jun 2, 2026Electrical, 45 Mason St, May 29, 2026Electrical, 23 Mason St, May 27, 2026Alteration or repair, 82 Wallace St, May 26, 2026Plumbing, 55 Liberty Ave, May 21, 2026Plumbing, 55 Liberty Ave, May 21, 2026Solar, 44 Foskett St, May 21, 2026Alteration or repair, 31 Appleton St, May 21, 2026Electrical, 16 Powder House Terr, May 20, 2026Electrical, 7 Park Ave, May 20, 2026Alteration or repair, 22 Winslow Ave, May 20, 2026Alteration or repair, 45 Grove St, May 19, 2026Alteration or repair, 16 Powder House Terr, May 18, 2026Electrical, 55 Grove St, May 13, 2026Alteration or repair, 100 Wallace St, May 13, 2026Alteration or repair, 937 Broadway, May 12, 2026Electrical, 12 Thorndike St, May 11, 2026Plumbing, 12 Thorndike St, May 8, 2026Plumbing, 1 Walker St, May 7, 2026Electrical, 89 College Ave, May 7, 2026Roofing, 81 College Ave, May 6, 2026Roofing, 197 Morrison Ave, May 5, 2026New building, 163 Morrison Ave, Aug 31, 2026New building, 872 Broadway, Aug 27, 2026New building, 163 Morrison Ave, Jul 15, 2026660 ft Map preview
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20 William St

Somerville, MA 02144

The biggest project within a quarter mile since May 1: a $654,382 alteration or repair at 22 Winslow Ave, permitted May 20.

Five permits on record here. The newest, Jan 23: Cast iron stack replacement. Within a quarter mile, the city has issued 120 more permits (117 projects) since May 1. Three are for new buildings, the nearest 860 ft away.

MayJunJulAugSepOct
Here5 permits · 20 William St
  1. Jan 23not listed
  2. Jul 19, 2021$17,711
  3. Dec 8, 2016not listed
  4. Dec 8, 2016not listed
  5. Dec 8, 2016$800
Next doorunder 250 ft · 2 permits
  1. Install ducted heat pump systems
    53 Chandler St · 110 ft NW · Mechanical (HVAC)
    Jul 7$38,500
  2. Jul 2not listed
This block250 to 1,000 ft · 77 permits in 75 projects · 1 new building, $20,000
  1. Oct 5not listed
  2. Oct 1$13,545
  3. Oct 1$5,650
  4. Sep 29$1,100
  5. Sep 16$500
  6. Sep 14$500
  7. Sep 10not listed
  8. Sep 10not listed
  9. Sep 9$1,600
  10. Sep 9$40,000
  11. Sep 1not listed
  12. Sep 1not listed
  13. Sep 1not listed
  14. Sep 1not listed
  15. Sep 1$1,600
  16. Sep 1$17,700
  17. Sep 1$10,000
  18. 1-furnace, 1-coil, 1-air handler
    35 Irving St · 630 ft W · Mechanical (HVAC)
    Aug 28$53,549
  19. HVAC - Ductless mini splits
    22 Winslow Ave · 780 ft S · Mechanical (HVAC)
    Aug 27$34,569
  20. Aug 27$20,000
  21. Repair rear decks
    21 Simpson Ave · 830 ft W · Alteration or repair
    Aug 24$22,000
  22. Aug 20not listed
  23. Aug 20not listed
  24. Aug 20$419,000
  25. Aug 18$27,000
  26. Aug 17not listed
  27. Aug 17$15,000
  28. Aug 17$27,300
  29. Aug 17$33,250
  30. Replace main beams
    43 Irving St · 580 ft W · Alteration or repair
    Aug 11$64,845
  31. Aug 10$11,531
  32. Aug 7$1,600
  33. Aug 6$1,500
  34. Install EV charger
    26 Leonard St · 950 ft N · Electrical
    Aug 5$1,500
  35. Aug 3$46,124
  36. Jul 28not listed
  37. Install EV charger
    204 Morrison Ave · 820 ft S · Electrical
    Jul 28$5,000
  38. Interior repairs due to water damage
    44 Walker St · 780 ft N · Alteration or repair
    Jul 27$9,908
  39. Jul 16$6,500
  40. Jul 16$3,500
  41. Jul 15$16,000
  42. Re wire first floor bath
    23 Irving St · 720 ft W · Electrical
    Jul 14$4,000
  43. Jul 13$25,133
  44. Jul 13$3,000
  45. Jul 9$2,900
  46. Jul 7$32,200
  47. Jul 6$25,755
  48. Jul 1not listed
  49. Jun 30$1,200
  50. Jun 30$4,999
  51. Jun 30$80,450
  52. Jun 24$800
  53. Jun 24$25,260
  54. Porch Outlet
    36 Hall Ave · 610 ft SE · Electrical
    Jun 23$400
  55. Replace one railing on porch
    929 Broadway · 680 ft N · Alteration or repair
    Jun 18$2,130
  56. Jun 16$250
  57. Jun 16$8,550
  58. Remodeling × 2 permits
    16 Powder House Terr · 880 ft E · Plumbing
    Jun 15not listed
  59. Jun 15$8,099
  60. Jun 11$30,000
  61. Residential weatherization/air sealing
    14 Irving St · 880 ft W · Alteration or repair
    Jun 11$2,000
  62. Bathroom renovation Showe Area Only
    31 Kidder Ave · 840 ft E · Alteration or repair
    Jun 8$14,500
  63. Jun 4$1,000
  64. Jun 2$16,659
  65. Residential weatherization/air sealing × 2 permits
    82 Wallace St · 460 ft NW · Alteration or repair
    May 26 to Jun 2$3,624
  66. May 20$4,000
  67. May 20$18,000
  68. 2nd Floor Kitchen remodel
    22 Winslow Ave · 780 ft S · Alteration or repair
    May 20$654,382
  69. May 18$34,000
  70. May 13$37,674
  71. May 12$10,000
  72. Bath bar sink
    1 Walker St · 960 ft NE · Plumbing
    May 7not listed
  73. 8 Camera Installation
    89 College Ave · 410 ft E · Electrical
    May 7$3,250
  74. Strip re-roof
    81 College Ave · 290 ft SE · Roofing
    May 6$24,000
  75. May 5$54,300
Within a quarter mile1,000 ft to ¼ mi · 41 permits in 40 projects · 2 new buildings, $670,000
  1. Oct 1not listed
  2. Repair gas leaks
    37 Mason St · 0.23 mi N · Plumbing
    Oct 1not listed
  3. Oct 1$3,500
  4. Sep 29not listed
  5. Sep 29$24,000
  6. Bathroom renovation (First Floor)
    124 Holland St · 0.23 mi W · Alteration or repair
    Sep 29$38,287
  7. Sep 28$3,200
  8. Sep 28$8,650
  9. Sep 17not listed
  10. Re Wire Unit 2
    9 Jay St · 0.24 mi W · Electrical
    Sep 16$18,000
  11. Sep 16$15,000
  12. Kitchen and bathroom renovation
    88 Liberty Ave · 0.22 mi SE · Alteration or repair
    Sep 9$164,442
  13. Sep 2not listed
  14. Sep 1$2,500
  15. Aug 31$53,366
  16. Aug 31$650,000
  17. Porch structural beam replacement
    63 Winslow Ave · 0.23 mi S · Alteration or repair
    Aug 27$10,369
  18. Aug 27$522,404
  19. Residential weatherization/air sealing
    18 Paulina St · 0.24 mi W · Alteration or repair
    Aug 25$2,000
  20. Aug 3$113,500
  21. Jul 30not listed
  22. Jul 29$25,000
  23. Jul 27$14,034
  24. Jul 16$10,000
  25. Jul 15$20,000
  26. Weatherization, Air Sealing, and Insulation
    45 Mason St · 0.24 mi N · Alteration or repair
    Jul 13$17,977
  27. Jul 8$10,376
  28. Jul 6$1,800
  29. New plumbing in entire home
    9 Jay St · 0.24 mi W · Plumbing
    Jul 1not listed
  30. Jun 2$400,000
  31. May 29$24,802
  32. May 27$900
  33. May 21not listed
  34. May 21not listed
  35. May 21$20,500
  36. May 21$19,975
  37. May 19$20,600
  38. Add 4 outlets in the porch
    55 Grove St · 0.20 mi S · Electrical
    May 13$1,000
  39. May 11$2,800
  40. May 8not listed

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Somerville Inspectional Services Division updated its data Oct 6, 2026. We checked it Oct 6, 23:26 UTC. See the city's official records (SomerStat, City of Somerville, ODbL 1.0).

Contains information from Applications for Permits and Licenses (SomerStat, City of Somerville), which is made available here under the Open Database License (ODbL).

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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