Nearby Permits
Map of 132 permits within a quarter mile of 9 Mellen StRoofing, 44 Walker St, Sep 30, 2026Plumbing, 65-69 Walker St, Sep 25, 2026Plumbing, 65-69 Walker St, Sep 25, 2026Plumbing, 1580 Massachusetts Ave, Sep 25, 2026Alteration or repair, 34 Prentiss St, Sep 21, 2026Electrical, 21 Avon St, Sep 18, 2026Addition, 9 Hurlbut St, Sep 16, 2026Alteration or repair, 29 Bowdoin St, Sep 15, 2026Electrical, 1730 Massachusetts Ave, Sep 11, 2026Plumbing, 3 Shepard St, Sep 8, 2026Electrical, 26 Hurlbut St, Sep 4, 2026Electrical, 11 Chauncy St, Sep 3, 2026Alteration or repair, 20 Garfield St, Sep 3, 2026Alteration or repair, 11 Chauncy St, Sep 2, 2026Roofing, 21 Hammond St, Sep 1, 2026Addition, 1700 Massachusetts Ave, Aug 31, 2026Electrical, 79 Martin St, Aug 27, 2026Plumbing, 77-79 Martin St, Aug 26, 2026Plumbing, 8 Wright St, Aug 26, 2026Plumbing, 77-79 Martin St, Aug 26, 2026Electrical, 60 Oxford St, Aug 26, 2026Electrical, 19-21 Shepard St, Aug 26, 2026Electrical, 57 Gorham St, Aug 26, 2026Electrical, 9 Norton Pl, Aug 25, 2026Demolition, 65 Hammond St, Aug 24, 2026Plumbing, 3 Shepard St, Aug 21, 2026Addition, 45 Garfield St, Aug 20, 2026Plumbing, 2-4 Avon St, Aug 19, 2026Roofing, 38 Langdon St, Aug 13, 2026Mechanical (HVAC), 42 Sacramento St, Aug 11, 2026Plumbing, 1558 Massachusetts Ave, Aug 11, 2026Plumbing, 11 Chauncy St, Aug 11, 2026Plumbing, 14-R Sacramento St, Aug 10, 2026Electrical, 42 Sacramento St, Aug 7, 2026Addition, 16-18 Bowdoin St, Aug 7, 2026Electrical, 1619 Massachusetts Ave, Aug 6, 2026Electrical, 1525 Massachusetts Ave, Aug 6, 2026Electrical, 1545 Massachusetts Ave, Aug 6, 2026Electrical, 1585 Massachusetts Ave, Aug 6, 2026Electrical, 1563 Massachusetts Ave, Aug 6, 2026Addition, 77-79 Martin St, Aug 5, 2026Roofing, 69 Walker St, Aug 3, 2026Plumbing, 14 Sacramento St, Aug 3, 2026Electrical, 26 Oxford St, Aug 3, 2026Alteration or repair, 43 Sacramento St, Jul 31, 2026Plumbing, 36 Oxford St, Jul 30, 2026Alteration or repair, 35 Follen St, Jul 30, 2026Alteration or repair, 43 Sacramento St, Jul 29, 2026Mechanical (HVAC), 21 Avon St, Jul 28, 2026Electrical, 2-4 Avon St, Jul 23, 2026Alteration or repair, 32 Shepard St, Jul 23, 2026Fire systems, 58 Oxford St, Jul 22, 2026Electrical, 1619 Massachusetts Ave, Jul 21, 2026Addition, 2-4 Avon St, Jul 21, 2026Plumbing, 10 Wendell St, Jul 20, 2026Electrical, 22-24 Wendell St, Jul 17, 2026Alteration or repair, 10 Wendell St, Jul 17, 2026Electrical, 25 Oxford St, Jul 15, 2026Electrical, 1545 Massachusetts Ave, Jul 15, 2026Electrical, 1575 Massachusetts Ave, Jul 15, 2026Electrical, 1525 Massachusetts Ave, Jul 15, 2026Electrical, 1541 Massachusetts Ave, Jul 15, 2026Electrical, 1563 Massachusetts Ave, Jul 15, 2026Electrical, 1585 Massachusetts Ave, Jul 15, 2026Electrical, 1637 Massachusetts Ave, Jul 15, 2026Electrical, 23 Everett St, Jul 15, 2026Electrical, 20 Everett St, Jul 15, 2026Electrical, 16 Everett St, Jul 15, 2026Electrical, 22 Everett St, Jul 15, 2026Electrical, 12 Everett St, Jul 15, 2026Electrical, 18 Everett St, Jul 15, 2026Electrical, 14 Everett St, Jul 15, 2026Mechanical (HVAC), 15 Crescent St, Jul 9, 2026Electrical, 38 Oxford St, Jul 9, 2026Mechanical (HVAC), 41 Bowdoin St, Jul 8, 2026Plumbing, 39 Walker St, Jul 7, 2026Plumbing, 41 Wendell St, Jul 7, 2026Addition, 48 Hudson Pl, Jul 6, 2026Addition, 26 Oxford St, Jul 2, 2026Alteration or repair, 19-21 Shepard St, Jul 1, 2026Solar, 18 Chauncy St, Jun 29, 2026Roofing, 23 Mellen St, Jun 29, 2026Electrical, 41 Bowdoin St, Jun 29, 2026Electrical, 41 Bowdoin St, Jun 29, 2026Electrical, 41 Bowdoin St, Jun 29, 2026Electrical, 41 Bowdoin St, Jun 29, 2026Mechanical (HVAC), 86 Oxford St, Jun 24, 2026Addition, 14 Bowdoin St, Jun 24, 2026Electrical, 86 Oxford St, Jun 23, 2026Mechanical (HVAC), 21 Avon St, Jun 18, 2026Fire systems, 4 Mellen St, Jun 17, 2026Electrical, 1575 Massachusetts Ave, Jun 16, 2026Roofing, 114 Oxford St, Jun 9, 2026Plumbing, 7 Wright St, Jun 9, 2026Plumbing, 7 Mellen St, Jun 9, 2026Plumbing, 7 Wright St, Jun 9, 2026Electrical, 43 Sacramento St, Jun 8, 2026Electrical, 38 Oxford St, Jun 8, 2026Alteration or repair, 43 Sacramento St, Jun 5, 2026Alteration or repair, 43 Sacramento St, Jun 5, 2026Electrical, 1585 Massachusetts Ave, Jun 5, 2026Fire systems, 7 Mellen St, Jun 3, 2026Plumbing, 41 Bowdoin St, Jun 3, 2026Electrical, 95 Walker St, Jun 3, 2026Electrical, 91 Walker St, Jun 3, 2026Addition, 31 Crescent St, Jun 3, 2026Roofing, 49 Walker St, Jun 2, 2026Electrical, 75 Langdon St, Jun 2, 2026Electrical, 11 Chauncy St, Jun 2, 2026Electrical, 3 Sacramento St, Jun 2, 2026Electrical, 38 Oxford St, Jun 1, 2026Electrical, 1730 Massachusetts Ave, Jun 1, 2026Addition, 42 Sacramento St, May 28, 2026Addition, 51 Shepard St, May 27, 2026Plumbing, 11 Chauncy St, May 20, 2026Plumbing, 75 Langdon St, May 20, 2026Alteration or repair, 29 Everett St, May 18, 2026Electrical, 50 Follen St, May 18, 2026Electrical, 23 Everett St, May 18, 2026Plumbing, 1619 Massachusetts Ave, May 15, 2026Electrical, 1585-R Massachusetts Ave, May 15, 2026Electrical, 4 Mellen St, May 14, 2026Addition, 1730 Massachusetts Ave, May 14, 2026Roofing, 47 Walker St, May 12, 2026Electrical, 42 Sacramento St, May 12, 2026Electrical, 38 Oxford St, May 12, 2026Plumbing, 41 Bowdoin St, May 6, 2026Electrical, 38 Oxford St, May 1, 2026Electrical, 19-21 Shepard St, May 1, 2026Addition, 1600 Massachusetts Ave, May 1, 2026New building, 29 Follen St, Jun 30, 2026New building, 34 Wendell St, Jun 15, 2026660 ft Map preview
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9 Mellen St

Cambridge, MA 02138

New buildings permitted at two addresses within 950 ft since May 1.

Nine permits on record here. The newest, Jul 2: Fire systems permit, no description from the city. Within a quarter mile, the city has issued 132 more permits (110 projects) since May 1. The nearest permit for a new building is 570 ft away.

MayJunJulAugSepOct
Within
Since
Here9 permits · 9 Mellen St
  1. Fire systems permit, no description from the city
    Fire systems
    Jul 2not listed
  2. Plumbing permit, no description from the city
    Plumbing
    Jun 25not listed
  3. Mechanical (HVAC) permit, no description from the city
    Mechanical (HVAC)
    Nov 4, 2025not listed
  4. Plumbing permit, no description from the city
    Plumbing
    Oct 8, 2025not listed
  5. Plumbing permit, no description from the city × 2 permits
    Plumbing
    Jun 23, 2025 to Jul 11, 2025not listed
  6. Addition permit, no description from the city
    Addition
    Jul 10, 2025not listed
  7. Electrical permit, no description from the city
    Electrical
    Jun 30, 2025not listed
  8. Electrical permit, no description from the city
    Electrical
    Aug 16, 2023not listed
Sort
Next doorunder 250 ft · 10 permits in 9 projects
  1. Electrical permit, no description from the city × 2 permits
    1619 Massachusetts Ave · 230 ft SW · Electrical
    Jul 21 to Aug 6not listed
  2. Plumbing permit, no description from the city
    10 Wendell St · 160 ft N · Plumbing
    Jul 20not listed
  3. Alteration or repair permit, no description from the city
    10 Wendell St · 160 ft N · Alteration or repair
    Jul 17not listed
  4. Electrical permit, no description from the city
    1637 Massachusetts Ave · 180 ft W · Electrical
    Jul 15not listed
  5. Fire systems permit, no description from the city
    4 Mellen St · 160 ft SW · Fire systems
    Jun 17not listed
  6. Plumbing permit, no description from the city
    7 Mellen St · 20 ft W · Plumbing
    Jun 9not listed
  7. Fire systems permit, no description from the city
    7 Mellen St · 20 ft W · Fire systems
    Jun 3not listed
  8. Plumbing permit, no description from the city
    1619 Massachusetts Ave · 230 ft SW · Plumbing
    May 15not listed
  9. Electrical permit, no description from the city
    4 Mellen St · 160 ft SW · Electrical
    May 14not listed
This block250 to 1,000 ft · 59 permits in 53 projects · 2 new buildings
  1. Plumbing permit, no description from the city
    1580 Massachusetts Ave · 780 ft SW · Plumbing
    Sep 25not listed
  2. Plumbing permit, no description from the city × 2 permits
    3 Shepard St · 520 ft NW · Plumbing
    Aug 21 to Sep 8not listed
  3. Electrical permit, no description from the city
    11 Chauncy St · 890 ft SW · Electrical
    Sep 3not listed
  4. Alteration or repair permit, no description from the city
    20 Garfield St · 990 ft N · Alteration or repair
    Sep 3not listed
  5. Alteration or repair permit, no description from the city
    11 Chauncy St · 890 ft SW · Alteration or repair
    Sep 2not listed
  6. Roofing permit, no description from the city
    21 Hammond St · 910 ft E · Roofing
    Sep 1not listed
  7. Addition permit, no description from the city
    1700 Massachusetts Ave · 830 ft N · Addition
    Aug 31not listed
  8. Plumbing permit, no description from the city
    8 Wright St · 850 ft NW · Plumbing
    Aug 26not listed
  9. Electrical permit, no description from the city
    60 Oxford St · 720 ft E · Electrical
    Aug 26not listed
  10. Electrical permit, no description from the city
    19-21 Shepard St · 790 ft W · Electrical
    Aug 26not listed
  11. Electrical permit, no description from the city
    9 Norton Pl · 920 ft NW · Electrical
    Aug 25not listed
  12. Plumbing permit, no description from the city
    2-4 Avon St · 860 ft W · Plumbing
    Aug 19not listed
  13. Roofing permit, no description from the city
    38 Langdon St · 690 ft W · Roofing
    Aug 13not listed
  14. Plumbing permit, no description from the city
    11 Chauncy St · 890 ft SW · Plumbing
    Aug 11not listed
  15. Plumbing permit, no description from the city
    14-R Sacramento St · 490 ft N · Plumbing
    Aug 10not listed
  16. Addition permit, no description from the city
    16-18 Bowdoin St · 790 ft NW · Addition
    Aug 7not listed
  17. Electrical permit, no description from the city × 2 permits
    1585 Massachusetts Ave · 700 ft S · Electrical
    Jul 15 to Aug 6not listed
  18. Electrical permit, no description from the city × 2 permits
    1563 Massachusetts Ave · 850 ft S · Electrical
    Jul 15 to Aug 6not listed
  19. Plumbing permit, no description from the city
    14 Sacramento St · 580 ft N · Plumbing
    Aug 3not listed
  20. Plumbing permit, no description from the city
    36 Oxford St · 860 ft SE · Plumbing
    Jul 30not listed
  21. Electrical permit, no description from the city
    2-4 Avon St · 860 ft W · Electrical
    Jul 23not listed
  22. Alteration or repair permit, no description from the city
    32 Shepard St · 900 ft W · Alteration or repair
    Jul 23not listed
  23. Fire systems permit, no description from the city
    58 Oxford St · 770 ft SE · Fire systems
    Jul 22not listed
  24. Addition permit, no description from the city
    2-4 Avon St · 860 ft W · Addition
    Jul 21not listed
  25. Electrical permit, no description from the city
    22-24 Wendell St · 350 ft NE · Electrical
    Jul 17not listed
  26. Electrical permit, no description from the city × 2 permits
    1575 Massachusetts Ave · 920 ft S · Electrical
    Jun 16 to Jul 15not listed
  27. Electrical permit, no description from the city × 2 permits
    23 Everett St · 410 ft SE · Electrical
    May 18 to Jul 15not listed
  28. Electrical permit, no description from the city
    20 Everett St · 540 ft SE · Electrical
    Jul 15not listed
  29. Electrical permit, no description from the city
    16 Everett St · 430 ft S · Electrical
    Jul 15not listed
  30. Electrical permit, no description from the city
    22 Everett St · 550 ft SE · Electrical
    Jul 15not listed
  31. Electrical permit, no description from the city
    12 Everett St · 410 ft S · Electrical
    Jul 15not listed
  32. Electrical permit, no description from the city
    18 Everett St · 570 ft S · Electrical
    Jul 15not listed
  33. Electrical permit, no description from the city
    14 Everett St · 680 ft S · Electrical
    Jul 15not listed
  34. Plumbing permit, no description from the city
    41 Wendell St · 680 ft NE · Plumbing
    Jul 7not listed
  35. Addition permit, no description from the city
    48 Hudson Pl · 800 ft NW · Addition
    Jul 6not listed
  36. Alteration or repair permit, no description from the city
    19-21 Shepard St · 790 ft W · Alteration or repair
    Jul 1not listed
  37. New building permit, no description from the city
    29 Follen St · 930 ft SW · New building
    Jun 30not listed
  38. Roofing permit, no description from the city
    23 Mellen St · 270 ft E · Roofing
    Jun 29not listed
  39. Mechanical (HVAC) permit, no description from the city
    86 Oxford St · 940 ft NE · Mechanical (HVAC)
    Jun 24not listed
  40. Addition permit, no description from the city
    14 Bowdoin St · 770 ft NW · Addition
    Jun 24not listed
  41. Electrical permit, no description from the city
    86 Oxford St · 940 ft NE · Electrical
    Jun 23not listed
  42. New building permit, no description from the city
    34 Wendell St · 570 ft E · New building
    Jun 15not listed
  43. Plumbing permit, no description from the city × 2 permits
    7 Wright St · 850 ft NW · Plumbing
    Jun 9not listed
  44. Electrical permit, no description from the city
    1585 Massachusetts Ave · 700 ft S · Electrical
    Jun 5not listed
  45. Electrical permit, no description from the city
    75 Langdon St · 850 ft SW · Electrical
    Jun 2not listed
  46. Electrical permit, no description from the city
    11 Chauncy St · 890 ft SW · Electrical
    Jun 2not listed
  47. Electrical permit, no description from the city
    3 Sacramento St · 650 ft N · Electrical
    Jun 2not listed
  48. Plumbing permit, no description from the city
    11 Chauncy St · 890 ft SW · Plumbing
    May 20not listed
  49. Plumbing permit, no description from the city
    75 Langdon St · 850 ft SW · Plumbing
    May 20not listed
  50. Alteration or repair permit, no description from the city
    29 Everett St · 530 ft SE · Alteration or repair
    May 18not listed
  51. Electrical permit, no description from the city
    1585-R Massachusetts Ave · 760 ft S · Electrical
    May 15not listed
  52. Electrical permit, no description from the city
    19-21 Shepard St · 790 ft W · Electrical
    May 1not listed
  53. Addition permit, no description from the city
    1600 Massachusetts Ave · 530 ft SW · Addition
    May 1not listed
Within a quarter mile1,000 ft to ¼ mi · 63 permits in 48 projects
  1. Roofing permit, no description from the city
    44 Walker St · 0.22 mi W · Roofing
    Sep 30not listed
  2. Plumbing permit, no description from the city × 2 permits
    65-69 Walker St · 0.19 mi W · Plumbing
    Sep 25not listed
  3. Alteration or repair permit, no description from the city
    34 Prentiss St · 0.25 mi N · Alteration or repair
    Sep 21not listed
  4. Electrical permit, no description from the city
    21 Avon St · 0.22 mi NW · Electrical
    Sep 18not listed
  5. Addition permit, no description from the city
    9 Hurlbut St · 0.21 mi NW · Addition
    Sep 16not listed
  6. Alteration or repair permit, no description from the city
    29 Bowdoin St · 0.21 mi NW · Alteration or repair
    Sep 15not listed
  7. Electrical permit, no description from the city
    1730 Massachusetts Ave · 0.23 mi N · Electrical
    Sep 11not listed
  8. Electrical permit, no description from the city
    26 Hurlbut St · 0.23 mi NW · Electrical
    Sep 4not listed
  9. Electrical permit, no description from the city
    79 Martin St · 0.22 mi NW · Electrical
    Aug 27not listed
  10. Plumbing permit, no description from the city × 2 permits
    77-79 Martin St · 0.22 mi NW · Plumbing
    Aug 26not listed
  11. Electrical permit, no description from the city
    57 Gorham St · 0.19 mi NE · Electrical
    Aug 26not listed
  12. Demolition permit, no description from the city
    65 Hammond St · 0.24 mi E · Demolition
    Aug 24not listed
  13. Addition permit, no description from the city
    45 Garfield St · 0.21 mi N · Addition
    Aug 20not listed
  14. Mechanical (HVAC) permit, no description from the city
    42 Sacramento St · 0.20 mi NE · Mechanical (HVAC)
    Aug 11not listed
  15. Plumbing permit, no description from the city
    1558 Massachusetts Ave · 0.20 mi SW · Plumbing
    Aug 11not listed
  16. Electrical permit, no description from the city
    42 Sacramento St · 0.20 mi NE · Electrical
    Aug 7not listed
  17. Electrical permit, no description from the city × 2 permits
    1525 Massachusetts Ave · 0.24 mi S · Electrical
    Jul 15 to Aug 6not listed
  18. Electrical permit, no description from the city × 2 permits
    1545 Massachusetts Ave · 0.20 mi S · Electrical
    Jul 15 to Aug 6not listed
  19. Addition permit, no description from the city
    77-79 Martin St · 0.22 mi NW · Addition
    Aug 5not listed
  20. Roofing permit, no description from the city
    69 Walker St · 0.20 mi W · Roofing
    Aug 3not listed
  21. Electrical permit, no description from the city
    26 Oxford St · 0.22 mi SE · Electrical
    Aug 3not listed
  22. Alteration or repair permit, no description from the city × 4 permits
    43 Sacramento St · 0.22 mi NE · Alteration or repair
    Jun 5 to Jul 31not listed
  23. Alteration or repair permit, no description from the city
    35 Follen St · 0.19 mi SW · Alteration or repair
    Jul 30not listed
  24. Mechanical (HVAC) permit, no description from the city × 2 permits
    21 Avon St · 0.22 mi NW · Mechanical (HVAC)
    Jun 18 to Jul 28not listed
  25. Electrical permit, no description from the city
    25 Oxford St · 0.22 mi SE · Electrical
    Jul 15not listed
  26. Electrical permit, no description from the city
    1541 Massachusetts Ave · 0.24 mi S · Electrical
    Jul 15not listed
  27. Mechanical (HVAC) permit, no description from the city
    15 Crescent St · 0.23 mi NE · Mechanical (HVAC)
    Jul 9not listed
  28. Electrical permit, no description from the city × 4 permits
    38 Oxford St · 0.22 mi SE · Electrical
    May 12 to Jul 9not listed
  29. Mechanical (HVAC) permit, no description from the city
    41 Bowdoin St · 0.25 mi NW · Mechanical (HVAC)
    Jul 8not listed
  30. Plumbing permit, no description from the city
    39 Walker St · 0.23 mi W · Plumbing
    Jul 7not listed
  31. Addition permit, no description from the city
    26 Oxford St · 0.22 mi SE · Addition
    Jul 2not listed
  32. Solar permit, no description from the city
    18 Chauncy St · 0.23 mi SW · Solar
    Jun 29not listed
  33. Electrical permit, no description from the city × 4 permits
    41 Bowdoin St · 0.25 mi NW · Electrical
    Jun 29not listed
  34. Roofing permit, no description from the city
    114 Oxford St · 0.25 mi NE · Roofing
    Jun 9not listed
  35. Electrical permit, no description from the city
    43 Sacramento St · 0.22 mi NE · Electrical
    Jun 8not listed
  36. Plumbing permit, no description from the city × 2 permits
    41 Bowdoin St · 0.25 mi NW · Plumbing
    May 6 to Jun 3not listed
  37. Electrical permit, no description from the city
    95 Walker St · 0.22 mi W · Electrical
    Jun 3not listed
  38. Electrical permit, no description from the city
    91 Walker St · 0.21 mi W · Electrical
    Jun 3not listed
  39. Addition permit, no description from the city
    31 Crescent St · 0.25 mi NE · Addition
    Jun 3not listed
  40. Roofing permit, no description from the city
    49 Walker St · 0.21 mi W · Roofing
    Jun 2not listed
  41. Electrical permit, no description from the city
    1730 Massachusetts Ave · 0.23 mi N · Electrical
    Jun 1not listed
  42. Addition permit, no description from the city
    42 Sacramento St · 0.20 mi NE · Addition
    May 28not listed
  43. Addition permit, no description from the city
    51 Shepard St · 0.23 mi W · Addition
    May 27not listed
  44. Electrical permit, no description from the city
    50 Follen St · 0.23 mi SW · Electrical
    May 18not listed
  45. Addition permit, no description from the city
    1730 Massachusetts Ave · 0.23 mi N · Addition
    May 14not listed
  46. Roofing permit, no description from the city
    47 Walker St · 0.22 mi W · Roofing
    May 12not listed
  47. Electrical permit, no description from the city
    42 Sacramento St · 0.20 mi NE · Electrical
    May 12not listed
  48. Electrical permit, no description from the city
    38 Oxford St · 0.22 mi SE · Electrical
    May 1not listed
More on this streetMellen St · 8 other addresses with permits

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Cambridge Inspectional Services Department updated its data Oct 6, 2026. We checked it Oct 7, 03:17 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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