# Building permits at 577 Putnam Ave, Cambridge, MA 174 Hamilton St: demolition permitted Jun 15, a new building Aug 27. 13 permits on record here. The newest, Apr 2, 2025: Roofing permit, no description from the city. Within a quarter mile, the city has issued 76 more permits (70 projects) since May 1. Five are for new buildings, the nearest 690 ft away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Apr 2, 2025 | Roofing | | Not listed | [Roof-1155594](https://nearbypermits.com/cambridge/permit/Roof-1155594/) | | Nov 1, 2024 | Addition | | Not listed | [Building: Alteration and Addition-1140295](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1140295/) | | Oct 16, 2024 | Mechanical (HVAC) | | Not listed | [Mechanical-288538](https://nearbypermits.com/cambridge/permit/Mechanical-288538/) | | Jul 11, 2024 | Plumbing | | Not listed | [Plumbing-279546](https://nearbypermits.com/cambridge/permit/Plumbing-279546/) | | Jun 12, 2024 | Addition | | Not listed | [Building: Alteration and Addition-274721](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-274721/) | | Jun 11, 2024 | Plumbing | | Not listed | [Plumbing-274700](https://nearbypermits.com/cambridge/permit/Plumbing-274700/) | | May 30, 2024 | Electrical | | Not listed | [Electrical-271800](https://nearbypermits.com/cambridge/permit/Electrical-271800/) | | May 17, 2024 | Addition | | Not listed | [Building: Alteration and Addition-265573](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-265573/) | | May 6, 2024 | Electrical | | Not listed | [Electrical-269302](https://nearbypermits.com/cambridge/permit/Electrical-269302/) | | Apr 9, 2024 | Mechanical (HVAC) | | Not listed | [Mechanical-263132](https://nearbypermits.com/cambridge/permit/Mechanical-263132/) | | Mar 25, 2024 | Plumbing | | Not listed | [Plumbing-263129](https://nearbypermits.com/cambridge/permit/Plumbing-263129/) | | Mar 4, 2024 | Addition | | Not listed | [Building: Alteration and Addition-259887](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-259887/) | | Oct 30, 2020 | Addition | | Not listed | [Building: Alteration and Addition-98007](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-98007/) | ## Within ¼ mi since May 1, 2026 76 permits in the circle. From our copy of the city's data (last 24 months). ### Next door (under 250 ft), 4 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 1, 2026 | [5 Fort Washington Pl](https://nearbypermits.com/cambridge/address/5-fort-washington-pl/) | 160 ft SE | Plumbing | | Not listed | [Gas-1232592](https://nearbypermits.com/cambridge/permit/Gas-1232592/) | | Jul 13, 2026 | [20-22 Peters St](https://nearbypermits.com/cambridge/address/20--22-peters-st/) | 170 ft NE | Electrical | | Not listed | [Electrical-1219538](https://nearbypermits.com/cambridge/permit/Electrical-1219538/) | | Jul 6, 2026 | [20-22 Peters St](https://nearbypermits.com/cambridge/address/20--22-peters-st/) | 170 ft NE | Addition | | Not listed | [Building: Alteration and Addition-1217911](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1217911/) | | May 21, 2026 | [266 Brookline St](https://nearbypermits.com/cambridge/address/266-brookline-st/) | 220 ft N | Sign | | Not listed | [Signs-1210084](https://nearbypermits.com/cambridge/permit/Signs-1210084/) | ### This block (250 to 1,000 ft), 38 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 25, 2026 | [86 Henry St](https://nearbypermits.com/cambridge/address/86-henry-st/) | 750 ft SW | Plumbing | | Not listed | [Plumbing-1231781](https://nearbypermits.com/cambridge/permit/Plumbing-1231781/) | | Sep 23, 2026 | [6 Newton St](https://nearbypermits.com/cambridge/address/6-newton-st/) | 950 ft NW | Alteration or repair | | Not listed | [Building: Short Form-1231827](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1231827/) | | Sep 22, 2026 | [40 Erie St](https://nearbypermits.com/cambridge/address/40-erie-st/) | 900 ft E | Addition | | Not listed | [Building: Alteration and Addition-1229553](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1229553/) | | Sep 21, 2026 | [144 Hamilton St](https://nearbypermits.com/cambridge/address/144-hamilton-st/) | 790 ft N | Electrical | | Not listed | [Electrical-1230394](https://nearbypermits.com/cambridge/permit/Electrical-1230394/) | | Sep 21, 2026 | [289-291 Pearl St](https://nearbypermits.com/cambridge/address/289--291-pearl-st/) | 820 ft W | Addition | | Not listed | [Building: Alteration and Addition-1231044](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1231044/) | | Sep 16, 2026 | [162 Hamilton St](https://nearbypermits.com/cambridge/address/162-hamilton-st/) | 880 ft N | Alteration or repair | | Not listed | [Building: Short Form-1230419](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1230419/) | | Sep 16, 2026 | [160 Hamilton St](https://nearbypermits.com/cambridge/address/160-hamilton-st/) | 870 ft N | Alteration or repair | | Not listed | [Building: Short Form-1230415](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1230415/) | | Sep 15, 2026 | [158 Hamilton St](https://nearbypermits.com/cambridge/address/158-hamilton-st/) | 870 ft N | Alteration or repair | | Not listed | [Building: Short Form-1230392](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1230392/) | | Sep 11, 2026 | [116 Chestnut St](https://nearbypermits.com/cambridge/address/116-chestnut-st/) | 600 ft W | Alteration or repair | | Not listed | [Building: Short Form-1230106](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1230106/) | | Sep 11, 2026 | [305 Pearl St](https://nearbypermits.com/cambridge/address/305-pearl-st/) | 880 ft W | Addition | | Not listed | [Building: Alteration and Addition-1229704](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1229704/) | | Sep 1, 2026 | [170 Allston St](https://nearbypermits.com/cambridge/address/170-allston-st/) | 690 ft NW | New building | | Not listed | [Building: New Construction-1211959](https://nearbypermits.com/cambridge/permit/Building%3A%20New%20Construction-1211959/) | | Sep 1, 2026 | [168 Allston St](https://nearbypermits.com/cambridge/address/168-allston-st/) | 690 ft N | New building | | Not listed | [Building: New Construction-1211957](https://nearbypermits.com/cambridge/permit/Building%3A%20New%20Construction-1211957/) | | Aug 31, 2026 | [174 Hamilton St](https://nearbypermits.com/cambridge/address/174-hamilton-st/) | 990 ft N | Electrical | | Not listed | [Electrical-1228052](https://nearbypermits.com/cambridge/permit/Electrical-1228052/) | | Aug 27, 2026 | [174 Hamilton St](https://nearbypermits.com/cambridge/address/174-hamilton-st/) | 990 ft N | New building | | Not listed | [Building: New Construction-1207343](https://nearbypermits.com/cambridge/permit/Building%3A%20New%20Construction-1207343/) | | Aug 24, 2026 | [6 Newton St](https://nearbypermits.com/cambridge/address/6-newton-st/) | 950 ft NW | Plumbing | | Not listed | [Plumbing-1227062](https://nearbypermits.com/cambridge/permit/Plumbing-1227062/) | | Aug 21, 2026 | [314 Pearl St](https://nearbypermits.com/cambridge/address/314-pearl-st/) | 870 ft W | Roofing | | Not listed | [Roof-1226660](https://nearbypermits.com/cambridge/permit/Roof-1226660/) | | Aug 12, 2026 | [164 Allston St](https://nearbypermits.com/cambridge/address/164-allston-st/) | 680 ft N | Electrical | | Not listed | [Electrical-1225413](https://nearbypermits.com/cambridge/permit/Electrical-1225413/) | | Aug 12, 2026 | [137 Allston St](https://nearbypermits.com/cambridge/address/137-allston-st/) | 540 ft N | Electrical | | Not listed | [Electrical-1224840](https://nearbypermits.com/cambridge/permit/Electrical-1224840/) | | Aug 12, 2026 | [86 Henry St](https://nearbypermits.com/cambridge/address/86-henry-st/) | 750 ft SW | Alteration or repair | | Not listed | [Building: Short Form-1224362](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1224362/) | | Jul 20, 2026 | [302 Brookline St](https://nearbypermits.com/cambridge/address/302-brookline-st/) | 310 ft W | Electrical | | Not listed | [Electrical-1217209](https://nearbypermits.com/cambridge/permit/Electrical-1217209/) | | Jul 13, 2026 | [289-291 Pearl St](https://nearbypermits.com/cambridge/address/289--291-pearl-st/) | 820 ft W | Alteration or repair | | Not listed | [Building: Short Form-1220173](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1220173/) | | Jul 8, 2026 | [308 Brookline St](https://nearbypermits.com/cambridge/address/308-brookline-st/) | 410 ft SW | Addition | | Not listed | [Building: Alteration and Addition-1216435](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1216435/) | | Jun 25, 2026 | [133-137 Chestnut St](https://nearbypermits.com/cambridge/address/133--137-chestnut-st/) | 690 ft W | Addition | | Not listed | [Building: Alteration and Addition-1217682](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1217682/) | | Jun 15, 2026 | [174 Hamilton St](https://nearbypermits.com/cambridge/address/174-hamilton-st/) | 990 ft N | Demolition | | Not listed | [Demolition-1207331](https://nearbypermits.com/cambridge/permit/Demolition-1207331/) | | Jun 12, 2026 | [166 Allston St](https://nearbypermits.com/cambridge/address/166-allston-st/) | 680 ft N | Addition | | Not listed | [Building: Alteration and Addition-1202662](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1202662/) | | Jun 12, 2026 | [164 Allston St](https://nearbypermits.com/cambridge/address/164-allston-st/) | 680 ft N | Addition | | Not listed | [Building: Alteration and Addition-1202661](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1202661/) | | Jun 2, 2026 | [163 Chestnut St](https://nearbypermits.com/cambridge/address/163-chestnut-st/) | 970 ft W | Electrical | | Not listed | [Electrical-1213163](https://nearbypermits.com/cambridge/permit/Electrical-1213163/) | | Jun 1, 2026 | [67 Allston St](https://nearbypermits.com/cambridge/address/67-allston-st/) | 410 ft NE | Plumbing | | Not listed | [Plumbing-1212161](https://nearbypermits.com/cambridge/permit/Plumbing-1212161/) | | Jun 1, 2026 | [69 Chestnut St](https://nearbypermits.com/cambridge/address/69-chestnut-st/) | 260 ft SW | Electrical | | Not listed | [Electrical-1213143](https://nearbypermits.com/cambridge/permit/Electrical-1213143/) | | May 29, 2026 | [266-276 Pearl St](https://nearbypermits.com/cambridge/address/266--276-pearl-st/) | 700 ft NW | Electrical | | Not listed | [Electrical-1207929](https://nearbypermits.com/cambridge/permit/Electrical-1207929/) | | May 28, 2026 | [69 Chestnut St](https://nearbypermits.com/cambridge/address/69-chestnut-st/) | 260 ft SW | Addition | | Not listed | [Building: Alteration and Addition-1212308](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1212308/) | | May 27, 2026 | [164 Allston St](https://nearbypermits.com/cambridge/address/164-allston-st/) | 680 ft N | Demolition | | Not listed | [Demolition-1202499](https://nearbypermits.com/cambridge/permit/Demolition-1202499/) | | May 27, 2026 | [85 Allston St](https://nearbypermits.com/cambridge/address/85-allston-st/) | 410 ft NE | Addition | | Not listed | [Building: Alteration and Addition-1212925](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1212925/) | | May 5, 2026 | [85 Allston St](https://nearbypermits.com/cambridge/address/85-allston-st/) | 410 ft NE | Addition | | Not listed | [Building: Alteration and Addition-1205202](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1205202/) | | May 26, 2026 | [21 Acorn St](https://nearbypermits.com/cambridge/address/21-acorn-st/) | 560 ft W | Electrical | | Not listed | [Electrical-1212848](https://nearbypermits.com/cambridge/permit/Electrical-1212848/) | | May 18, 2026 | [164 Allston St](https://nearbypermits.com/cambridge/address/164-allston-st/) | 680 ft N | Plumbing | | Not listed | [Gas-1211575](https://nearbypermits.com/cambridge/permit/Gas-1211575/) | | May 15, 2026 | [67 Allston St](https://nearbypermits.com/cambridge/address/67-allston-st/) | 410 ft NE | Electrical | | Not listed | [Electrical-1211519](https://nearbypermits.com/cambridge/permit/Electrical-1211519/) | | May 4, 2026 | [67 Allston St](https://nearbypermits.com/cambridge/address/67-allston-st/) | 410 ft NE | Addition | | Not listed | [Building: Alteration and Addition-1206257](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1206257/) | ### Farther (1,000 ft to ¼ mi), 34 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 29, 2026 | [17 Rockingham St](https://nearbypermits.com/cambridge/address/17-rockingham-st/) | 0.19 mi W | Alteration or repair | | Not listed | [Siding-1231332](https://nearbypermits.com/cambridge/permit/Siding-1231332/) | | Sep 29, 2026 | [17 Rockingham St](https://nearbypermits.com/cambridge/address/17-rockingham-st/) | 0.19 mi W | Electrical | | Not listed | [Electrical-1231480](https://nearbypermits.com/cambridge/permit/Electrical-1231480/) | | Sep 29, 2026 | [148 Sidney St](https://nearbypermits.com/cambridge/address/148-sidney-st/) | 0.23 mi NE | Electrical | | Not listed | [Electrical-1231148](https://nearbypermits.com/cambridge/permit/Electrical-1231148/) | | Aug 11, 2026 | [148 Sidney St](https://nearbypermits.com/cambridge/address/148-sidney-st/) | 0.23 mi NE | Electrical | | Not listed | [Electrical-1223880](https://nearbypermits.com/cambridge/permit/Electrical-1223880/) | | Sep 29, 2026 | [194 Erie St](https://nearbypermits.com/cambridge/address/194-erie-st/) | 0.22 mi N | Alteration or repair | | Not listed | [Building: Short Form-1232428](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1232428/) | | Sep 23, 2026 | [640 Memorial Dr](https://nearbypermits.com/cambridge/address/640-memorial-dr/) | 0.22 mi SW | Electrical | | Not listed | [Electrical-1227677](https://nearbypermits.com/cambridge/permit/Electrical-1227677/) | | Sep 22, 2026 | [640 Memorial Dr](https://nearbypermits.com/cambridge/address/640-memorial-dr/) | 0.22 mi SW | Electrical | | Not listed | [Electrical-1230663](https://nearbypermits.com/cambridge/permit/Electrical-1230663/) | | Aug 12, 2026 | [640 Memorial Dr](https://nearbypermits.com/cambridge/address/640-memorial-dr/) | 0.22 mi SW | Electrical | | Not listed | [Electrical-1223849](https://nearbypermits.com/cambridge/permit/Electrical-1223849/) | | Sep 21, 2026 | [620 Memorial Dr](https://nearbypermits.com/cambridge/address/620-memorial-dr/) | 0.21 mi S | Electrical | | Not listed | [Electrical-1230929](https://nearbypermits.com/cambridge/permit/Electrical-1230929/) | | Sep 17, 2026 | [620 Memorial Dr](https://nearbypermits.com/cambridge/address/620-memorial-dr/) | 0.21 mi S | Electrical | | Not listed | [Electrical-1229786](https://nearbypermits.com/cambridge/permit/Electrical-1229786/) | | Sep 17, 2026 | [148 Sidney St](https://nearbypermits.com/cambridge/address/148-sidney-st/) | 0.23 mi NE | Mechanical (HVAC) | | Not listed | [Sheet Metal-1230786](https://nearbypermits.com/cambridge/permit/Sheet%20Metal-1230786/) | | Sep 15, 2026 | [148 Sidney St](https://nearbypermits.com/cambridge/address/148-sidney-st/) | 0.23 mi NE | Roofing | | Not listed | [Roof-1229991](https://nearbypermits.com/cambridge/permit/Roof-1229991/) | | Sep 3, 2026 | [210 Hamilton St](https://nearbypermits.com/cambridge/address/210-hamilton-st/) | 0.23 mi N | Electrical | | Not listed | [Electrical-1228747](https://nearbypermits.com/cambridge/permit/Electrical-1228747/) | | Aug 31, 2026 | [214 Allston St](https://nearbypermits.com/cambridge/address/214-allston-st/) | 0.19 mi NW | Electrical | | Not listed | [Electrical-1227811](https://nearbypermits.com/cambridge/permit/Electrical-1227811/) | | Aug 28, 2026 | [110-112 Magazine St](https://nearbypermits.com/cambridge/address/110--112-magazine-st/) | 0.25 mi NW | Roofing | | Not listed | [Roof-1227547](https://nearbypermits.com/cambridge/permit/Roof-1227547/) | | Aug 25, 2026 | [148 Sidney St](https://nearbypermits.com/cambridge/address/148-sidney-st/) | 0.23 mi NE | Plumbing | | Not listed | [Plumbing-1227901](https://nearbypermits.com/cambridge/permit/Plumbing-1227901/) | | Aug 14, 2026 | [210 Hamilton St](https://nearbypermits.com/cambridge/address/210-hamilton-st/) | 0.23 mi N | New building | | Not listed | [Building: New Construction-1207339](https://nearbypermits.com/cambridge/permit/Building%3A%20New%20Construction-1207339/) | | Jul 15, 2026 | [226 Allston St](https://nearbypermits.com/cambridge/address/226-allston-st/) | 0.21 mi NW | Roofing | | Not listed | [Roof-1221050](https://nearbypermits.com/cambridge/permit/Roof-1221050/) | | Jul 8, 2026 | [23 Tufts St](https://nearbypermits.com/cambridge/address/23-tufts-st/) | 0.21 mi W | Addition | | Not listed | [Building: Alteration and Addition-1216812](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1216812/) | | Jun 30, 2026 | [194 Hamilton St](https://nearbypermits.com/cambridge/address/194-hamilton-st/) | 0.21 mi N | Electrical | | Not listed | [Electrical-1217597](https://nearbypermits.com/cambridge/permit/Electrical-1217597/) | | Jun 29, 2026 | [194 Hamilton St](https://nearbypermits.com/cambridge/address/194-hamilton-st/) | 0.21 mi N | Addition | | Not listed | [Building: Alteration and Addition-1216308](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1216308/) | | Jun 24, 2026 | [136 Magazine St](https://nearbypermits.com/cambridge/address/136-magazine-st/) | 0.23 mi NW | Electrical | | Not listed | [Electrical-1217027](https://nearbypermits.com/cambridge/permit/Electrical-1217027/) | | Jun 18, 2026 | [214 Allston St](https://nearbypermits.com/cambridge/address/214-allston-st/) | 0.19 mi NW | New building | | Not listed | [Building: New Construction-1194918](https://nearbypermits.com/cambridge/permit/Building%3A%20New%20Construction-1194918/) | | Jun 11, 2026 | [210 Hamilton St](https://nearbypermits.com/cambridge/address/210-hamilton-st/) | 0.23 mi N | Demolition | | Not listed | [Demolition-1207330](https://nearbypermits.com/cambridge/permit/Demolition-1207330/) | | Jun 11, 2026 | [214 Allston St](https://nearbypermits.com/cambridge/address/214-allston-st/) | 0.19 mi NW | Demolition | | Not listed | [Demolition-1206622](https://nearbypermits.com/cambridge/permit/Demolition-1206622/) | | Jun 3, 2026 | [171 Erie St](https://nearbypermits.com/cambridge/address/171-erie-st/) | 0.21 mi N | Electrical | | Not listed | [Electrical-1213323](https://nearbypermits.com/cambridge/permit/Electrical-1213323/) | | May 20, 2026 | [168-170 Chestnut St](https://nearbypermits.com/cambridge/address/168--170-chestnut-st/) | 0.20 mi W | Addition | | Not listed | [Building: Alteration and Addition-1212379](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1212379/) | | May 15, 2026 | [148 Sidney St](https://nearbypermits.com/cambridge/address/148-sidney-st/) | 0.23 mi NE | Electrical | | Not listed | [Electrical-1210287](https://nearbypermits.com/cambridge/permit/Electrical-1210287/) | | May 6, 2026 | [175 Chestnut St](https://nearbypermits.com/cambridge/address/175-chestnut-st/) | 0.20 mi NW | Electrical | | Not listed | [Electrical-1208686](https://nearbypermits.com/cambridge/permit/Electrical-1208686/) | | May 5, 2026 | [148 Sidney St](https://nearbypermits.com/cambridge/address/148-sidney-st/) | 0.23 mi NE | Addition | | Not listed | [Building: Alteration and Addition-1205827](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1205827/) | | May 4, 2026 | [204 Erie St](https://nearbypermits.com/cambridge/address/204-erie-st/) | 0.24 mi N | Plumbing | | Not listed | [Plumbing-1209511](https://nearbypermits.com/cambridge/permit/Plumbing-1209511/) | | May 4, 2026 | [204 Erie St](https://nearbypermits.com/cambridge/address/204-erie-st/) | 0.24 mi N | Plumbing | | Not listed | [Gas-1209517](https://nearbypermits.com/cambridge/permit/Gas-1209517/) | | May 4, 2026 | [210 Erie St](https://nearbypermits.com/cambridge/address/210-erie-st/) | 0.25 mi N | Mechanical (HVAC) | | Not listed | [Mechanical-1209075](https://nearbypermits.com/cambridge/permit/Mechanical-1209075/) | | May 1, 2026 | [148 Sidney St](https://nearbypermits.com/cambridge/address/148-sidney-st/) | 0.23 mi NE | Fire systems | | Not listed | [Sprinkler and Standpipe-1208326](https://nearbypermits.com/cambridge/permit/Sprinkler%20and%20Standpipe-1208326/) | ## More on this street Other addresses on Putnam Ave with permits, nearest house number first: - [580 Putnam Ave](https://nearbypermits.com/cambridge/address/580-putnam-ave/): newest permit Jun 4, 2025 - [592 Putnam Ave](https://nearbypermits.com/cambridge/address/592-putnam-ave/): newest permit Apr 4, 2025 - [592-596 Putnam Ave](https://nearbypermits.com/cambridge/address/592--596-putnam-ave/): newest permit Mar 26, 2025 - [596 Putnam Ave](https://nearbypermits.com/cambridge/address/596-putnam-ave/): newest permit Mar 3, 2025 - [605 Putnam Ave](https://nearbypermits.com/cambridge/address/605-putnam-ave/): newest permit Apr 7, 2026 - [518-520 Putnam Ave](https://nearbypermits.com/cambridge/address/518--520-putnam-ave/): newest permit Apr 11, 2025 - [515 Putnam Ave](https://nearbypermits.com/cambridge/address/515-putnam-ave/): newest permit Dec 23, 2024 - [482 Putnam Ave](https://nearbypermits.com/cambridge/address/482-putnam-ave/): newest permit Jul 31, 2025 - [478 Putnam Ave](https://nearbypermits.com/cambridge/address/478-putnam-ave/): newest permit Apr 1, 2025 - [466-468 Putnam Ave](https://nearbypermits.com/cambridge/address/466--468-putnam-ave/): newest permit Mar 31, 2025 --- Source: Cambridge Inspectional Services Department permit data (https://data.cambridgema.gov/d/3wsm-e5jx). Checked 2026-10-06 16:08 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 13 permits at this address and 76 nearby: https://nearbypermits.com/cambridge/address/577-putnam-ave/