Nearby Permits
Map of 103 permits within a quarter mile of 21 Ames StMechanical (HVAC), 200 Technology Sq, Oct 2, 2026Fire systems, 200 Technology Sq, Sep 30, 2026Plumbing, 127 Massachusetts Ave, Sep 30, 2026Plumbing, 70 Vassar St, Sep 30, 2026Electrical, 200 Technology Sq, Sep 28, 2026Plumbing, 200 Technology Sq, Sep 25, 2026Mechanical (HVAC), 182 Memorial Dr, Sep 25, 2026Mechanical (HVAC), 200 Technology Sq, Sep 24, 2026Mechanical (HVAC), 200 Technology Sq, Sep 24, 2026Mechanical (HVAC), 182 Memorial Dr, Sep 24, 2026Electrical, 200 Technology Sq, Sep 22, 2026Addition, 222 Memorial Dr, Sep 22, 2026Fire systems, 200 Technology Sq, Sep 17, 2026Electrical, 200 Technology Sq, Sep 17, 2026Electrical, 200 Technology Sq, Sep 16, 2026Mechanical (HVAC), 200 Technology Sq, Sep 15, 2026Mechanical (HVAC), 200 Technology Sq, Sep 14, 2026Plumbing, 200 Technology Sq, Sep 11, 2026Electrical, 200 Technology Sq, Sep 10, 2026Electrical, 31 Ames St, Sep 10, 2026Fire systems, 182 Memorial Dr, Sep 8, 2026Plumbing, 200 Technology Sq, Sep 3, 2026Addition, 200 Technology Sq, Sep 3, 2026Mechanical (HVAC), 314 Main St, Sep 2, 2026Electrical, 314 Main St, Sep 1, 2026Electrical, 314 Main St, Sep 1, 2026Mechanical (HVAC), 200 Technology Sq, Aug 26, 2026Electrical, 455 Main St, Aug 26, 2026Plumbing, 182 Memorial Dr, Aug 21, 2026Electrical, 182 Memorial Dr, Aug 19, 2026Electrical, 455 Main St, Aug 19, 2026Fire systems, 15 Vassar St, Aug 18, 2026Addition, 200 Technology Sq, Aug 14, 2026Addition, 200 Technology Sq, Aug 14, 2026Addition, 25 Carleton St, Aug 14, 2026Electrical, 15 Vassar St, Aug 10, 2026Electrical, 182-R Memorial Dr, Aug 8, 2026Plumbing, 455 Main St, Aug 7, 2026Addition, 60 Vassar St, Aug 6, 2026Plumbing, 455 Main St, Aug 4, 2026Electrical, 325 Main St, Aug 3, 2026Alteration or repair, 200 Technology Sq, Aug 3, 2026Fire systems, 455 Main St, Jul 30, 2026Mechanical (HVAC), 325 Main St, Jul 30, 2026Electrical, 15 Vassar St, Jul 20, 2026Electrical, 31 Ames St, Jul 20, 2026Addition, 455 Main St, Jul 16, 2026Addition, 182 Memorial Dr, Jul 16, 2026Fire systems, 25 Ames St, Jul 15, 2026Mechanical (HVAC), 325 Main St, Jul 15, 2026Electrical, 25 Ames St, Jul 15, 2026Mechanical (HVAC), 45 Carleton St, Jul 14, 2026Electrical, 45 Carleton St, Jul 14, 2026Electrical, 455 Main St, Jul 13, 2026Electrical, 355 Main St, Jul 9, 2026Fire systems, 455 Main St, Jul 8, 2026Electrical, 3 Ames St, Jul 6, 2026Electrical, 325 Main St, Jul 2, 2026Fire systems, 200 Technology Sq, Jun 30, 2026Mechanical (HVAC), 455 Main St, Jun 30, 2026Mechanical (HVAC), 455 Main St, Jun 30, 2026Electrical, 51 Vassar St, Jun 30, 2026Electrical, 45 Carleton St, Jun 30, 2026Electrical, 45 Carleton St, Jun 30, 2026Addition, 455 Main St, Jun 25, 2026Electrical, 325 Main St, Jun 23, 2026Electrical, 77-R Massachusetts Ave, Jun 23, 2026Electrical, 70 Amherst St, Jun 23, 2026Addition, 200 Technology Sq, Jun 23, 2026Mechanical (HVAC), 45 Carleton St, Jun 18, 2026Electrical, 182 Memorial Dr, Jun 18, 2026Electrical, 200 Technology Sq, Jun 17, 2026Electrical, 200 Technology Sq, Jun 16, 2026Mechanical (HVAC), 325 Main St, Jun 15, 2026Electrical, 200 Technology Sq, Jun 13, 2026Electrical, 200 Technology Sq, Jun 10, 2026Electrical, 200 Technology Sq, Jun 10, 2026Plumbing, 60 Vassar St, Jun 5, 2026Plumbing, 60 Vassar St, Jun 5, 2026Electrical, 77 Massachusetts Ave, Jun 5, 2026Electrical, 77 Massachusetts Ave, Jun 5, 2026Electrical, 60 Vassar St, Jun 2, 2026Electrical, 314 Main St, Jun 1, 2026Electrical, 325 Main St, Jun 1, 2026Mechanical (HVAC), 15 Vassar St, May 29, 2026Electrical, 200 Technology Sq, May 29, 2026Plumbing, 325 Main St, May 22, 2026Electrical, 325 Main St, May 21, 2026Fire systems, 325 Main St, May 20, 2026Fire systems, 77 Massachusetts Ave, May 19, 2026Electrical, 415 Main St, May 19, 2026Electrical, 33 Massachusetts Ave, May 19, 2026Fire systems, 200 Technology Sq, May 18, 2026Fire systems, 200 Technology Sq, May 18, 2026Electrical, 355 Main St, May 18, 2026Fire systems, 200 Technology Sq, May 13, 2026Electrical, 3 Ames St, May 12, 2026Addition, 45 Carleton St, May 12, 2026Mechanical (HVAC), 355 Main St, May 8, 2026Electrical, 200 Technology Sq, May 8, 2026Electrical, 100 Technology Sq, May 5, 2026Mechanical (HVAC), 182 Memorial Dr, May 1, 2026Electrical, 200 Technology Sq, May 1, 2026660 ft Map preview
Open mapBack to list
  • Searched address
  • Addition or alteration
  • Electrical, plumbing, HVAC

21 Ames St

Cambridge, MA 02142

143 permits on record here. The newest, Oct 1: Electrical permit, no description from the city. Within a quarter mile, the city has issued 103 more permits (57 projects) since May 1.

MayJunJulAugSepOct
Within
Since
Here143 permits · 21 Ames St
  1. Electrical permit, no description from the city
    Electrical
    Oct 1not listed
  2. Plumbing permit, no description from the city
    Plumbing
    Sep 30not listed
  3. Addition permit, no description from the city
    Addition
    Sep 17not listed
  4. Fire systems permit, no description from the city
    Fire systems
    Sep 14not listed
  5. Mechanical (HVAC) permit, no description from the city × 2 permits
    Mechanical (HVAC)
    Jul 29 to Sep 10not listed
  6. Mechanical (HVAC) permit, no description from the city × 2 permits
    Mechanical (HVAC)
    Apr 27 to Jun 22not listed
  7. Fire systems permit, no description from the city
    Fire systems
    Jun 18not listed
  8. Electrical permit, no description from the city × 4 permits
    Electrical
    Apr 29 to May 27not listed
  9. Addition permit, no description from the city
    Addition
    May 11not listed
  10. Plumbing permit, no description from the city × 2 permits
    Plumbing
    Mar 26 to Apr 14not listed
  11. Electrical permit, no description from the city
    Electrical
    Mar 9not listed
  12. Plumbing permit, no description from the city
    Plumbing
    Feb 4not listed
  13. Fire systems permit, no description from the city
    Fire systems
    Nov 7, 2025not listed
  14. Mechanical (HVAC) permit, no description from the city × 2 permits
    Mechanical (HVAC)
    Oct 1, 2025 to Nov 3, 2025not listed
  15. Electrical permit, no description from the city × 6 permits
    Electrical
    Sep 24, 2025 to Oct 22, 2025not listed
  16. Addition permit, no description from the city × 3 permits
    Addition
    Sep 5, 2025 to Oct 15, 2025not listed
  17. Plumbing permit, no description from the city × 2 permits
    Plumbing
    Sep 15 to 19, 2025not listed
  18. Electrical permit, no description from the city
    Electrical
    Jul 1, 2025not listed
  19. Plumbing permit, no description from the city
    Plumbing
    May 21, 2025not listed
  20. Electrical permit, no description from the city
    Electrical
    Apr 1, 2025not listed
  21. Electrical permit, no description from the city × 4 permits
    Electrical
    Nov 19, 2024 to Dec 30, 2024not listed
  22. Fire systems permit, no description from the city
    Fire systems
    Nov 27, 2024not listed
  23. Mechanical (HVAC) permit, no description from the city × 2 permits
    Mechanical (HVAC)
    Nov 6, 2024not listed
  24. Addition permit, no description from the city
    Addition
    Nov 5, 2024not listed
  25. Fire systems permit, no description from the city
    Fire systems
    Sep 16, 2024not listed
  26. Mechanical (HVAC) permit, no description from the city × 2 permits
    Mechanical (HVAC)
    Jun 6 to 24, 2024not listed
  27. Electrical permit, no description from the city × 3 permits
    Electrical
    Jun 10 to 11, 2024not listed
  28. Addition permit, no description from the city
    Addition
    Apr 26, 2024not listed
  29. Plumbing permit, no description from the city
    Plumbing
    Apr 12, 2024not listed
  30. Mechanical (HVAC) permit, no description from the city
    Mechanical (HVAC)
    Feb 23, 2024not listed
  31. Electrical permit, no description from the city × 3 permits
    Electrical
    Dec 26, 2023 to Jan 30, 2024not listed
  32. Electrical permit, no description from the city × 2 permits
    Electrical
    Oct 10 to 30, 2023not listed
  33. Mechanical (HVAC) permit, no description from the city
    Mechanical (HVAC)
    Jul 27, 2023not listed
  34. Electrical permit, no description from the city × 2 permits
    Electrical
    Jun 1, 2023 to Jul 25, 2023not listed
  35. Fire systems permit, no description from the city × 2 permits
    Fire systems
    May 26, 2023 to Jul 10, 2023not listed
  36. Addition permit, no description from the city
    Addition
    May 31, 2023not listed
  37. Plumbing permit, no description from the city
    Plumbing
    Apr 12, 2023not listed
  38. Addition permit, no description from the city
    Addition
    Mar 10, 2023not listed
  39. Electrical permit, no description from the city
    Electrical
    Dec 15, 2022not listed
  40. Mechanical (HVAC) permit, no description from the city
    Mechanical (HVAC)
    Dec 1, 2022not listed
  41. Plumbing permit, no description from the city × 2 permits
    Plumbing
    Oct 24, 2022 to Nov 1, 2022not listed
  42. Fire systems permit, no description from the city
    Fire systems
    Oct 3, 2022not listed
  43. Addition permit, no description from the city
    Addition
    Aug 30, 2022not listed
  44. Electrical permit, no description from the city × 2 permits
    Electrical
    Aug 3, 2022not listed
  45. Plumbing permit, no description from the city × 2 permits
    Plumbing
    Jun 21, 2022 to Jul 18, 2022not listed
  46. Addition permit, no description from the city
    Addition
    May 25, 2022not listed
  47. Electrical permit, no description from the city × 2 permits
    Electrical
    Feb 22, 2022 to Apr 13, 2022not listed
  48. Addition permit, no description from the city
    Addition
    Feb 28, 2022not listed
  49. Addition permit, no description from the city
    Addition
    Nov 17, 2021not listed
  50. Electrical permit, no description from the city × 2 permits
    Electrical
    Aug 28, 2021 to Sep 29, 2021not listed
  51. Plumbing permit, no description from the city
    Plumbing
    Aug 4, 2021not listed
  52. Addition permit, no description from the city
    Addition
    Jun 15, 2021not listed
  53. Electrical permit, no description from the city × 2 permits
    Electrical
    Mar 23, 2021 to May 21, 2021not listed
  54. Mechanical (HVAC) permit, no description from the city × 2 permits
    Mechanical (HVAC)
    Mar 2, 2021 to Apr 12, 2021not listed
  55. Addition permit, no description from the city
    Addition
    Mar 8, 2021not listed
  56. Fire systems permit, no description from the city
    Fire systems
    Jan 15, 2021not listed
  57. Electrical permit, no description from the city × 3 permits
    Electrical
    Jul 23, 2020 to Sep 17, 2020not listed
  58. Mechanical (HVAC) permit, no description from the city × 3 permits
    Mechanical (HVAC)
    Aug 4, 2020 to Sep 14, 2020not listed
  59. Plumbing permit, no description from the city × 2 permits
    Plumbing
    Jul 29, 2020 to Aug 19, 2020not listed
  60. Fire systems permit, no description from the city × 2 permits
    Fire systems
    Jul 23, 2020 to Aug 6, 2020not listed
  61. Addition permit, no description from the city × 2 permits
    Addition
    Jun 26, 2020 to Jul 22, 2020not listed
  62. Electrical permit, no description from the city × 2 permits
    Electrical
    Jun 15 to 22, 2020not listed
  63. Mechanical (HVAC) permit, no description from the city × 4 permits
    Mechanical (HVAC)
    Jan 15, 2020 to Mar 13, 2020not listed
  64. Fire systems permit, no description from the city × 2 permits
    Fire systems
    Jan 7, 2020 to Mar 6, 2020not listed
  65. Electrical permit, no description from the city × 3 permits
    Electrical
    Jan 3, 2020 to Feb 25, 2020not listed
  66. Addition permit, no description from the city
    Addition
    Feb 20, 2020not listed
  67. Plumbing permit, no description from the city × 4 permits
    Plumbing
    Jan 22, 2020 to Feb 13, 2020not listed
  68. Mechanical (HVAC) permit, no description from the city
    Mechanical (HVAC)
    Jan 9, 2020not listed
  69. Electrical permit, no description from the city × 5 permits
    Electrical
    Nov 12, 2019 to Dec 23, 2019not listed
  70. Fire systems permit, no description from the city × 2 permits
    Fire systems
    Nov 7, 2019 to Dec 18, 2019not listed
  71. Addition permit, no description from the city × 2 permits
    Addition
    Oct 24, 2019 to Dec 5, 2019not listed
  72. Plumbing permit, no description from the city × 3 permits
    Plumbing
    Nov 4 to 20, 2019not listed
  73. Electrical permit, no description from the city × 3 permits
    Electrical
    Aug 16, 2019 to Oct 1, 2019not listed
  74. Mechanical (HVAC) permit, no description from the city
    Mechanical (HVAC)
    Jun 13, 2019not listed
  75. Electrical permit, no description from the city × 2 permits
    Electrical
    Jun 10, 2019not listed
  76. Fire systems permit, no description from the city
    Fire systems
    Mar 13, 2019not listed
  77. Electrical permit, no description from the city × 3 permits
    Electrical
    Mar 4 to 11, 2019not listed
  78. Electrical permit, no description from the city
    Electrical
    Nov 20, 2018not listed
  79. Addition permit, no description from the city
    Addition
    Aug 29, 2018not listed
Sort
Next doorunder 250 ft · 1 permit
  1. Electrical permit, no description from the city
    182-R Memorial Dr · 180 ft SW · Electrical
    Aug 8not listed
This block250 to 1,000 ft · 23 permits in 19 projects
  1. Mechanical (HVAC) permit, no description from the city × 2 permits
    182 Memorial Dr · 490 ft S · Mechanical (HVAC)
    Sep 24 to 25not listed
  2. Addition permit, no description from the city
    222 Memorial Dr · 590 ft W · Addition
    Sep 22not listed
  3. Electrical permit, no description from the city × 2 permits
    31 Ames St · 740 ft NE · Electrical
    Jul 20 to Sep 10not listed
  4. Fire systems permit, no description from the city
    182 Memorial Dr · 490 ft S · Fire systems
    Sep 8not listed
  5. Plumbing permit, no description from the city
    182 Memorial Dr · 490 ft S · Plumbing
    Aug 21not listed
  6. Electrical permit, no description from the city
    182 Memorial Dr · 490 ft S · Electrical
    Aug 19not listed
  7. Addition permit, no description from the city
    60 Vassar St · 940 ft NW · Addition
    Aug 6not listed
  8. Addition permit, no description from the city
    182 Memorial Dr · 490 ft S · Addition
    Jul 16not listed
  9. Fire systems permit, no description from the city
    25 Ames St · 540 ft NE · Fire systems
    Jul 15not listed
  10. Electrical permit, no description from the city
    25 Ames St · 540 ft NE · Electrical
    Jul 15not listed
  11. Electrical permit, no description from the city × 2 permits
    3 Ames St · 470 ft NE · Electrical
    May 12 to Jul 6not listed
  12. Electrical permit, no description from the city
    51 Vassar St · 950 ft NW · Electrical
    Jun 30not listed
  13. Electrical permit, no description from the city
    77-R Massachusetts Ave · 860 ft W · Electrical
    Jun 23not listed
  14. Electrical permit, no description from the city
    70 Amherst St · 710 ft E · Electrical
    Jun 23not listed
  15. Electrical permit, no description from the city
    182 Memorial Dr · 490 ft S · Electrical
    Jun 18not listed
  16. Plumbing permit, no description from the city × 2 permits
    60 Vassar St · 940 ft NW · Plumbing
    Jun 5not listed
  17. Electrical permit, no description from the city
    60 Vassar St · 940 ft NW · Electrical
    Jun 2not listed
  18. Electrical permit, no description from the city
    33 Massachusetts Ave · 990 ft SW · Electrical
    May 19not listed
  19. Mechanical (HVAC) permit, no description from the city
    182 Memorial Dr · 490 ft S · Mechanical (HVAC)
    May 1not listed
Within a quarter mile1,000 ft to ¼ mi · 79 permits in 37 projects
  1. Mechanical (HVAC) permit, no description from the city × 6 permits
    200 Technology Sq · 0.23 mi N · Mechanical (HVAC)
    Aug 26 to Oct 2not listed
  2. Fire systems permit, no description from the city × 2 permits
    200 Technology Sq · 0.23 mi N · Fire systems
    Sep 17 to 30not listed
  3. Plumbing permit, no description from the city
    127 Massachusetts Ave · 0.22 mi W · Plumbing
    Sep 30not listed
  4. Plumbing permit, no description from the city
    70 Vassar St · 0.19 mi W · Plumbing
    Sep 30not listed
  5. Electrical permit, no description from the city × 5 permits
    200 Technology Sq · 0.23 mi N · Electrical
    Sep 10 to 28not listed
  6. Plumbing permit, no description from the city × 3 permits
    200 Technology Sq · 0.23 mi N · Plumbing
    Sep 3 to 25not listed
  7. Addition permit, no description from the city × 3 permits
    200 Technology Sq · 0.23 mi N · Addition
    Aug 14 to Sep 3not listed
  8. Mechanical (HVAC) permit, no description from the city
    314 Main St · 0.24 mi NE · Mechanical (HVAC)
    Sep 2not listed
  9. Electrical permit, no description from the city × 2 permits
    314 Main St · 0.24 mi NE · Electrical
    Sep 1not listed
  10. Electrical permit, no description from the city × 3 permits
    455 Main St · 0.23 mi N · Electrical
    Jul 13 to Aug 26not listed
  11. Fire systems permit, no description from the city
    15 Vassar St · 0.19 mi N · Fire systems
    Aug 18not listed
  12. Addition permit, no description from the city
    25 Carleton St · 0.19 mi NE · Addition
    Aug 14not listed
  13. Electrical permit, no description from the city × 2 permits
    15 Vassar St · 0.19 mi N · Electrical
    Jul 20 to Aug 10not listed
  14. Plumbing permit, no description from the city × 2 permits
    455 Main St · 0.23 mi N · Plumbing
    Aug 4 to 7not listed
  15. Electrical permit, no description from the city × 3 permits
    325 Main St · 0.24 mi NE · Electrical
    Jun 23 to Aug 3not listed
  16. Alteration or repair permit, no description from the city
    200 Technology Sq · 0.23 mi N · Alteration or repair
    Aug 3not listed
  17. Fire systems permit, no description from the city × 2 permits
    455 Main St · 0.23 mi N · Fire systems
    Jul 8 to 30not listed
  18. Mechanical (HVAC) permit, no description from the city × 3 permits
    325 Main St · 0.24 mi NE · Mechanical (HVAC)
    Jun 15 to Jul 30not listed
  19. Addition permit, no description from the city × 2 permits
    455 Main St · 0.23 mi N · Addition
    Jun 25 to Jul 16not listed
  20. Mechanical (HVAC) permit, no description from the city × 2 permits
    45 Carleton St · 0.21 mi NE · Mechanical (HVAC)
    Jun 18 to Jul 14not listed
  21. Electrical permit, no description from the city × 3 permits
    45 Carleton St · 0.21 mi NE · Electrical
    Jun 30 to Jul 14not listed
  22. Electrical permit, no description from the city × 2 permits
    355 Main St · 0.24 mi NE · Electrical
    May 18 to Jul 9not listed
  23. Fire systems permit, no description from the city × 4 permits
    200 Technology Sq · 0.23 mi N · Fire systems
    May 13 to Jun 30not listed
  24. Mechanical (HVAC) permit, no description from the city × 2 permits
    455 Main St · 0.23 mi N · Mechanical (HVAC)
    Jun 30not listed
  25. Addition permit, no description from the city
    200 Technology Sq · 0.23 mi N · Addition
    Jun 23not listed
  26. Electrical permit, no description from the city × 8 permits
    200 Technology Sq · 0.23 mi N · Electrical
    May 1 to Jun 17not listed
  27. Electrical permit, no description from the city × 2 permits
    77 Massachusetts Ave · 0.19 mi W · Electrical
    Jun 5not listed
  28. Electrical permit, no description from the city
    314 Main St · 0.24 mi NE · Electrical
    Jun 1not listed
  29. Electrical permit, no description from the city × 2 permits
    325 Main St · 0.24 mi NE · Electrical
    May 21 to Jun 1not listed
  30. Mechanical (HVAC) permit, no description from the city
    15 Vassar St · 0.19 mi N · Mechanical (HVAC)
    May 29not listed
  31. Plumbing permit, no description from the city
    325 Main St · 0.24 mi NE · Plumbing
    May 22not listed
  32. Fire systems permit, no description from the city
    325 Main St · 0.24 mi NE · Fire systems
    May 20not listed
  33. Fire systems permit, no description from the city
    77 Massachusetts Ave · 0.19 mi W · Fire systems
    May 19not listed
  34. Electrical permit, no description from the city
    415 Main St · 0.22 mi N · Electrical
    May 19not listed
  35. Addition permit, no description from the city
    45 Carleton St · 0.21 mi NE · Addition
    May 12not listed
  36. Mechanical (HVAC) permit, no description from the city
    355 Main St · 0.24 mi NE · Mechanical (HVAC)
    May 8not listed
  37. Electrical permit, no description from the city
    100 Technology Sq · 0.23 mi N · Electrical
    May 5not listed
More on this streetAmes St · 10 nearest addresses with permits

Alerts haven't started yet. When they do, we'll send one email to confirm. After that we'll only email you about permits at this address and nearby. You can unsubscribe at any time. Privacy policy

Cambridge Inspectional Services Department updated its data Oct 6, 2026. We checked it Oct 6, 11:34 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.

For agents and scripts: This page as Markdown · JSON · Nearby as JSON · MCP tool permits_near