Nearby Permits
Map of 101 permits within a quarter mile of 21 Acorn StPlumbing, 128-130 Hamilton St, Oct 15, 2026Plumbing, 15 Whitney Ave, Oct 14, 2026Plumbing, 240 Allston St, Oct 14, 2026Alteration or repair, 5 Newton St, Oct 14, 2026Plumbing, 125-B Magazine St, Oct 9, 2026Electrical, 228 Chestnut St, Oct 9, 2026Electrical, 86 Henry St, Oct 7, 2026Plumbing, 22-24 Rockingham St, Oct 5, 2026Plumbing, 22-24 Rockingham St, Oct 5, 2026Plumbing, 7 Fort Washington Pl, Oct 5, 2026Alteration or repair, 45 Chestnut St, Oct 5, 2026Plumbing, 5 Fort Washington Pl, Oct 1, 2026Electrical, 168 Pearl St, Oct 1, 2026Alteration or repair, 17 Rockingham St, Sep 29, 2026Electrical, 17 Rockingham St, Sep 29, 2026Alteration or repair, 194 Erie St, Sep 29, 2026Plumbing, 86 Henry St, Sep 25, 2026Electrical, 640 Memorial Dr, Sep 23, 2026Alteration or repair, 6 Newton St, Sep 23, 2026Electrical, 640 Memorial Dr, Sep 22, 2026Electrical, 144 Hamilton St, Sep 21, 2026Alteration or repair, 289-291 Pearl St, Sep 21, 2026Plumbing, 168 Pearl St, Sep 17, 2026Plumbing, 415-417 Putnam Ave, Sep 17, 2026Plumbing, 415-417 Putnam Ave, Sep 17, 2026Alteration or repair, 162 Hamilton St, Sep 16, 2026Alteration or repair, 160 Hamilton St, Sep 16, 2026Alteration or repair, 158 Hamilton St, Sep 15, 2026Alteration or repair, 116 Chestnut St, Sep 11, 2026Alteration or repair, 305 Pearl St, Sep 11, 2026Electrical, 10 Corporal Mcternan St, Sep 10, 2026Plumbing, 10 Corporal Mcternan St, Sep 3, 2026Electrical, 210 Hamilton St, Sep 3, 2026Alteration or repair, 168 Pearl St, Sep 3, 2026Electrical, 174 Hamilton St, Aug 31, 2026Electrical, 214 Allston St, Aug 31, 2026Roofing, 110-112 Magazine St, Aug 28, 2026Plumbing, 6 Newton St, Aug 24, 2026Roofing, 314 Pearl St, Aug 21, 2026Electrical, 131 Magazine St, Aug 21, 2026Electrical, 10 Corporal Mcternan St, Aug 14, 2026Mechanical (HVAC), 15 Whitney Ave, Aug 13, 2026Plumbing, 10 Corporal Mcternan St, Aug 12, 2026Mechanical (HVAC), 15 Whitney Ave, Aug 12, 2026Electrical, 164 Allston St, Aug 12, 2026Electrical, 137 Allston St, Aug 12, 2026Electrical, 640 Memorial Dr, Aug 12, 2026Alteration or repair, 86 Henry St, Aug 12, 2026Mechanical (HVAC), 131 Magazine St, Jul 29, 2026Electrical, 131 Magazine St, Jul 29, 2026Plumbing, 28 Glenwood Ave, Jul 27, 2026Alteration or repair, 162 Pleasant St, Jul 24, 2026Plumbing, 13-17 Florence St, Jul 23, 2026Plumbing, 13-17 Florence St, Jul 23, 2026Electrical, 302 Brookline St, Jul 20, 2026Roofing, 226 Allston St, Jul 15, 2026Electrical, 20-22 Peters St, Jul 13, 2026Alteration or repair, 289-291 Pearl St, Jul 13, 2026Alteration or repair, 23 Tufts St, Jul 8, 2026Alteration or repair, 308 Brookline St, Jul 8, 2026Alteration or repair, 10 Corporal Mcternan St, Jul 7, 2026Alteration or repair, 20-22 Peters St, Jul 6, 2026Electrical, 194 Hamilton St, Jun 30, 2026Alteration or repair, 194 Hamilton St, Jun 29, 2026Alteration or repair, 133-137 Chestnut St, Jun 25, 2026Electrical, 136 Magazine St, Jun 24, 2026Alteration or repair, 307 Allston St, Jun 22, 2026Demolition, 174 Hamilton St, Jun 15, 2026Alteration or repair, 166 Allston St, Jun 12, 2026Alteration or repair, 164 Allston St, Jun 12, 2026Demolition, 210 Hamilton St, Jun 11, 2026Demolition, 214 Allston St, Jun 11, 2026Electrical, 171 Erie St, Jun 3, 2026Alteration or repair, 137 Magazine St, Jun 3, 2026Electrical, 163 Chestnut St, Jun 2, 2026Plumbing, 67 Allston St, Jun 1, 2026Electrical, 69 Chestnut St, Jun 1, 2026Electrical, 266-276 Pearl St, May 29, 2026Alteration or repair, 69 Chestnut St, May 28, 2026Demolition, 164 Allston St, May 27, 2026Alteration or repair, 85 Allston St, May 27, 2026Solar, 6 Florence St, May 26, 2026Alteration or repair, 18 Whitney Ave, May 26, 2026Sign, 266 Brookline St, May 21, 2026Electrical, 6 Florence St, May 21, 2026Electrical, 154 Pleasant St, May 20, 2026Alteration or repair, 168-170 Chestnut St, May 20, 2026Plumbing, 164 Allston St, May 18, 2026Electrical, 67 Allston St, May 15, 2026Electrical, 12 Kenwood St, May 13, 2026Electrical, 175 Chestnut St, May 6, 2026Alteration or repair, 85 Allston St, May 5, 2026Plumbing, 204 Erie St, May 4, 2026Mechanical (HVAC), 210 Erie St, May 4, 2026Plumbing, 204 Erie St, May 4, 2026Alteration or repair, 67 Allston St, May 4, 2026New building, 170 Allston St, Sep 1, 2026New building, 168 Allston St, Sep 1, 2026New building, 174 Hamilton St, Aug 27, 2026New building, 210 Hamilton St, Aug 14, 2026New building, 214 Allston St, Jun 18, 2026660 ft Map preview
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21 Acorn St

Cambridge, MA 02139

At this address
9 permits on record. Newest issued May 26: Electrical permit, no description from the city
Within ¼ mile
101 more permits (90 projects) issued since May 1. The nearest permit for a new building is 520 ft away.
New buildings
Permitted at 5 addresses within 950 ft since May 1.
MayJunJulAugSepOct
Within
Since
Here9 permits · 21 Acorn St
  1. Electrical permit, no description from the city
    Electrical
    May 26not listed
  2. Plumbing permit, no description from the city
    Plumbing
    Mar 18not listed
  3. Mechanical (HVAC) permit, no description from the city × 2 permits
    Mechanical (HVAC)
    Mar 9not listed
  4. New building permit, no description from the city
    New building
    Dec 11, 2025not listed
  5. Alteration or repair permit, no description from the city
    Alteration or repair
    Aug 20, 2025not listed
  6. Electrical permit, no description from the city
    Electrical
    Aug 8, 2025not listed
  7. Electrical permit, no description from the city
    Electrical
    Jun 14, 2023not listed
  8. Alteration or repair permit, no description from the city
    Alteration or repair
    Apr 18, 2023not listed
Sort
Next doorunder 250 ft · 3 permits
  1. Alteration or repair permit, no description from the city
    116 Chestnut St · 170 ft SW · Alteration or repair
    Sep 11not listed
  2. Alteration or repair permit, no description from the city
    133-137 Chestnut St · 130 ft W · Alteration or repair
    Jun 25not listed
  3. Electrical permit, no description from the city
    266-276 Pearl St · 220 ft N · Electrical
    May 29not listed
This block250 to 1,000 ft · 67 permits in 64 projects · 5 new buildings
  1. Plumbing permit, no description from the city
    128-130 Hamilton St · 710 ft NE · Plumbing
    Oct 15not listed
  2. Plumbing permit, no description from the city
    240 Allston St · 810 ft N · Plumbing
    Oct 14not listed
  3. Alteration or repair permit, no description from the city
    5 Newton St · 480 ft NW · Alteration or repair
    Oct 14not listed
  4. Plumbing permit, no description from the city
    125-B Magazine St · 860 ft NW · Plumbing
    Oct 9not listed
  5. Electrical permit, no description from the city
    86 Henry St · 540 ft S · Electrical
    Oct 7not listed
  6. Plumbing permit, no description from the city × 2 permits
    22-24 Rockingham St · 710 ft SW · Plumbing
    Oct 5not listed
  7. Plumbing permit, no description from the city
    7 Fort Washington Pl · 660 ft SE · Plumbing
    Oct 5not listed
  8. Alteration or repair permit, no description from the city
    45 Chestnut St · 720 ft SE · Alteration or repair
    Oct 5not listed
  9. Plumbing permit, no description from the city
    5 Fort Washington Pl · 690 ft SE · Plumbing
    Oct 1not listed
  10. Alteration or repair permit, no description from the city
    17 Rockingham St · 670 ft SW · Alteration or repair
    Sep 29not listed
  11. Electrical permit, no description from the city
    17 Rockingham St · 670 ft SW · Electrical
    Sep 29not listed
  12. Plumbing permit, no description from the city
    86 Henry St · 540 ft S · Plumbing
    Sep 25not listed
  13. Alteration or repair permit, no description from the city
    6 Newton St · 430 ft NW · Alteration or repair
    Sep 23not listed
  14. Electrical permit, no description from the city
    144 Hamilton St · 770 ft NE · Electrical
    Sep 21not listed
  15. Alteration or repair permit, no description from the city
    289-291 Pearl St · 260 ft W · Alteration or repair
    Sep 21not listed
  16. Alteration or repair permit, no description from the city
    162 Hamilton St · 780 ft NE · Alteration or repair
    Sep 16not listed
  17. Alteration or repair permit, no description from the city
    160 Hamilton St · 780 ft NE · Alteration or repair
    Sep 16not listed
  18. Alteration or repair permit, no description from the city
    158 Hamilton St · 780 ft NE · Alteration or repair
    Sep 15not listed
  19. Alteration or repair permit, no description from the city
    305 Pearl St · 340 ft W · Alteration or repair
    Sep 11not listed
  20. Electrical permit, no description from the city
    210 Hamilton St · 930 ft N · Electrical
    Sep 3not listed
  21. New building permit, no description from the city
    170 Allston St · 520 ft NE · New building
    Sep 1not listed
  22. New building permit, no description from the city
    168 Allston St · 520 ft NE · New building
    Sep 1not listed
  23. Electrical permit, no description from the city
    174 Hamilton St · 810 ft N · Electrical
    Aug 31not listed
  24. Electrical permit, no description from the city
    214 Allston St · 660 ft N · Electrical
    Aug 31not listed
  25. Roofing permit, no description from the city
    110-112 Magazine St · 950 ft N · Roofing
    Aug 28not listed
  26. New building permit, no description from the city
    174 Hamilton St · 810 ft N · New building
    Aug 27not listed
  27. Plumbing permit, no description from the city
    6 Newton St · 430 ft NW · Plumbing
    Aug 24not listed
  28. Roofing permit, no description from the city
    314 Pearl St · 360 ft W · Roofing
    Aug 21not listed
  29. Electrical permit, no description from the city × 2 permits
    131 Magazine St · 780 ft NW · Electrical
    Jul 29 to Aug 21not listed
  30. New building permit, no description from the city
    210 Hamilton St · 930 ft N · New building
    Aug 14not listed
  31. Electrical permit, no description from the city
    164 Allston St · 520 ft NE · Electrical
    Aug 12not listed
  32. Electrical permit, no description from the city
    137 Allston St · 610 ft NE · Electrical
    Aug 12not listed
  33. Alteration or repair permit, no description from the city
    86 Henry St · 540 ft S · Alteration or repair
    Aug 12not listed
  34. Mechanical (HVAC) permit, no description from the city
    131 Magazine St · 780 ft NW · Mechanical (HVAC)
    Jul 29not listed
  35. Plumbing permit, no description from the city
    28 Glenwood Ave · 830 ft W · Plumbing
    Jul 27not listed
  36. Electrical permit, no description from the city
    302 Brookline St · 360 ft SE · Electrical
    Jul 20not listed
  37. Roofing permit, no description from the city
    226 Allston St · 720 ft N · Roofing
    Jul 15not listed
  38. Electrical permit, no description from the city
    20-22 Peters St · 660 ft E · Electrical
    Jul 13not listed
  39. Alteration or repair permit, no description from the city
    289-291 Pearl St · 260 ft W · Alteration or repair
    Jul 13not listed
  40. Alteration or repair permit, no description from the city
    23 Tufts St · 570 ft W · Alteration or repair
    Jul 8not listed
  41. Alteration or repair permit, no description from the city
    308 Brookline St · 400 ft SE · Alteration or repair
    Jul 8not listed
  42. Alteration or repair permit, no description from the city
    20-22 Peters St · 660 ft E · Alteration or repair
    Jul 6not listed
  43. Electrical permit, no description from the city
    194 Hamilton St · 840 ft N · Electrical
    Jun 30not listed
  44. Alteration or repair permit, no description from the city
    194 Hamilton St · 840 ft N · Alteration or repair
    Jun 29not listed
  45. Electrical permit, no description from the city
    136 Magazine St · 690 ft NW · Electrical
    Jun 24not listed
  46. New building permit, no description from the city
    214 Allston St · 660 ft N · New building
    Jun 18not listed
  47. Demolition permit, no description from the city
    174 Hamilton St · 810 ft N · Demolition
    Jun 15not listed
  48. Alteration or repair permit, no description from the city
    166 Allston St · 520 ft NE · Alteration or repair
    Jun 12not listed
  49. Alteration or repair permit, no description from the city
    164 Allston St · 520 ft NE · Alteration or repair
    Jun 12not listed
  50. Demolition permit, no description from the city
    210 Hamilton St · 930 ft N · Demolition
    Jun 11not listed
  51. Demolition permit, no description from the city
    214 Allston St · 660 ft N · Demolition
    Jun 11not listed
  52. Alteration or repair permit, no description from the city
    137 Magazine St · 770 ft NW · Alteration or repair
    Jun 3not listed
  53. Electrical permit, no description from the city
    163 Chestnut St · 410 ft NW · Electrical
    Jun 2not listed
  54. Plumbing permit, no description from the city
    67 Allston St · 850 ft E · Plumbing
    Jun 1not listed
  55. Electrical permit, no description from the city
    69 Chestnut St · 500 ft SE · Electrical
    Jun 1not listed
  56. Alteration or repair permit, no description from the city
    69 Chestnut St · 500 ft SE · Alteration or repair
    May 28not listed
  57. Demolition permit, no description from the city
    164 Allston St · 520 ft NE · Demolition
    May 27not listed
  58. Alteration or repair permit, no description from the city × 2 permits
    85 Allston St · 790 ft E · Alteration or repair
    May 5 to 27not listed
  59. Sign permit, no description from the city
    266 Brookline St · 450 ft E · Sign
    May 21not listed
  60. Alteration or repair permit, no description from the city
    168-170 Chestnut St · 480 ft W · Alteration or repair
    May 20not listed
  61. Plumbing permit, no description from the city
    164 Allston St · 520 ft NE · Plumbing
    May 18not listed
  62. Electrical permit, no description from the city
    67 Allston St · 850 ft E · Electrical
    May 15not listed
  63. Electrical permit, no description from the city
    175 Chestnut St · 510 ft NW · Electrical
    May 6not listed
  64. Alteration or repair permit, no description from the city
    67 Allston St · 850 ft E · Alteration or repair
    May 4not listed
Within a quarter mile1,000 ft to ¼ mi · 31 permits in 23 projects
  1. Plumbing permit, no description from the city
    15 Whitney Ave · 0.22 mi NW · Plumbing
    Oct 14not listed
  2. Electrical permit, no description from the city
    228 Chestnut St · 0.21 mi NW · Electrical
    Oct 9not listed
  3. Electrical permit, no description from the city
    168 Pearl St · 0.25 mi NE · Electrical
    Oct 1not listed
  4. Alteration or repair permit, no description from the city
    194 Erie St · 0.20 mi NE · Alteration or repair
    Sep 29not listed
  5. Electrical permit, no description from the city × 3 permits
    640 Memorial Dr · 0.21 mi S · Electrical
    Aug 12 to Sep 23not listed
  6. Plumbing permit, no description from the city
    168 Pearl St · 0.25 mi NE · Plumbing
    Sep 17not listed
  7. Plumbing permit, no description from the city × 2 permits
    415-417 Putnam Ave · 0.20 mi NW · Plumbing
    Sep 17not listed
  8. Electrical permit, no description from the city × 2 permits
    10 Corporal Mcternan St · 0.24 mi NE · Electrical
    Aug 14 to Sep 10not listed
  9. Plumbing permit, no description from the city × 2 permits
    10 Corporal Mcternan St · 0.24 mi NE · Plumbing
    Aug 12 to Sep 3not listed
  10. Alteration or repair permit, no description from the city
    168 Pearl St · 0.25 mi NE · Alteration or repair
    Sep 3not listed
  11. Mechanical (HVAC) permit, no description from the city × 2 permits
    15 Whitney Ave · 0.22 mi NW · Mechanical (HVAC)
    Aug 12 to 13not listed
  12. Alteration or repair permit, no description from the city
    162 Pleasant St · 0.24 mi NW · Alteration or repair
    Jul 24not listed
  13. Plumbing permit, no description from the city × 2 permits
    13-17 Florence St · 0.22 mi W · Plumbing
    Jul 23not listed
  14. Alteration or repair permit, no description from the city
    10 Corporal Mcternan St · 0.24 mi NE · Alteration or repair
    Jul 7not listed
  15. Alteration or repair permit, no description from the city
    307 Allston St · 0.25 mi NW · Alteration or repair
    Jun 22not listed
  16. Electrical permit, no description from the city
    171 Erie St · 0.21 mi NE · Electrical
    Jun 3not listed
  17. Solar permit, no description from the city
    6 Florence St · 0.19 mi W · Solar
    May 26not listed
  18. Alteration or repair permit, no description from the city
    18 Whitney Ave · 0.21 mi NW · Alteration or repair
    May 26not listed
  19. Electrical permit, no description from the city
    6 Florence St · 0.19 mi W · Electrical
    May 21not listed
  20. Electrical permit, no description from the city
    154 Pleasant St · 0.24 mi NW · Electrical
    May 20not listed
  21. Electrical permit, no description from the city
    12 Kenwood St · 0.20 mi NW · Electrical
    May 13not listed
  22. Plumbing permit, no description from the city × 2 permits
    204 Erie St · 0.21 mi N · Plumbing
    May 4not listed
  23. Mechanical (HVAC) permit, no description from the city
    210 Erie St · 0.21 mi N · Mechanical (HVAC)
    May 4not listed
Zoning requests nearbynot published by Cambridge

We don't list zoning cases for Cambridge yet.

More on this streetAcorn St · 4 other addresses with permits

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Cambridge Inspectional Services Department updated its data Oct 16, 2026. We checked it Oct 17, 04:35 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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