# Building permits at 20 Chestnut St, Cambridge, MA Demolition permitted May 27 at 164 Allston St, then a new building Sep 1 at 170 Allston St. 35 permits on record here. The newest, Apr 30: Alteration or repair permit, no description from the city. Within a quarter mile, the city has issued 44 more permits (39 projects) since May 1. Two are for new buildings, the nearest 0.24 mi away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Apr 30, 2026 | Alteration or repair | | Not listed | [Building: Alteration and Addition-1207634](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1207634/) | | Aug 15, 2025 | Plumbing | | Not listed | [Plumbing-1178808](https://nearbypermits.com/cambridge/permit/Plumbing-1178808/) | | Aug 27, 2024 | Plumbing | | Not listed | [Plumbing-285717](https://nearbypermits.com/cambridge/permit/Plumbing-285717/) | | Aug 20, 2024 | Electrical | | Not listed | [Electrical-285726](https://nearbypermits.com/cambridge/permit/Electrical-285726/) | | Jun 13, 2024 | Mechanical (HVAC) | | Not listed | [Mechanical-274303](https://nearbypermits.com/cambridge/permit/Mechanical-274303/) | | May 20, 2024 | Alteration or repair | | Not listed | [Building: Alteration and Addition-264403](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-264403/) | | Nov 16, 2023 | Alteration or repair | | Not listed | [Building: Alteration and Addition-245680](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-245680/) | | Sep 6, 2023 | Plumbing | | Not listed | [Plumbing-239201](https://nearbypermits.com/cambridge/permit/Plumbing-239201/) | | Sep 6, 2023 | Plumbing | | Not listed | [Gas-239204](https://nearbypermits.com/cambridge/permit/Gas-239204/) | | Sep 1, 2023 | Electrical | | Not listed | [Electrical-238397](https://nearbypermits.com/cambridge/permit/Electrical-238397/) | | Aug 3, 2023 | Alteration or repair | | Not listed | [Building: Alteration and Addition-232500](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-232500/) | | Feb 16, 2023 | Mechanical (HVAC) | | Not listed | [Mechanical-209802](https://nearbypermits.com/cambridge/permit/Mechanical-209802/) | | Jan 23, 2023 | Electrical | | Not listed | [Electrical-208207](https://nearbypermits.com/cambridge/permit/Electrical-208207/) | | Jan 19, 2023 | Plumbing | | Not listed | [Plumbing-207935](https://nearbypermits.com/cambridge/permit/Plumbing-207935/) | | Dec 8, 2022 | Alteration or repair | | Not listed | [Building: Alteration and Addition-203314](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-203314/) | | Dec 8, 2022 | Alteration or repair | | Not listed | [Building: Alteration and Addition-191921](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-191921/) | | Dec 1, 2022 | Mechanical (HVAC) | | Not listed | [Mechanical-202976](https://nearbypermits.com/cambridge/permit/Mechanical-202976/) | | Nov 10, 2022 | Alteration or repair | | Not listed | [Building: Alteration and Addition-153115](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-153115/) | | Oct 21, 2022 | Plumbing | | Not listed | [Plumbing-198841](https://nearbypermits.com/cambridge/permit/Plumbing-198841/) | | Oct 21, 2022 | Electrical | | Not listed | [Electrical-199594](https://nearbypermits.com/cambridge/permit/Electrical-199594/) | | Oct 13, 2022 | Alteration or repair | | Not listed | [Building: Alteration and Addition-193313](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-193313/) | | Sep 26, 2022 | Alteration or repair | | Not listed | [Building: Alteration and Addition-180904](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-180904/) | | Nov 16, 2021 | Mechanical (HVAC) | | Not listed | [Mechanical-153819](https://nearbypermits.com/cambridge/permit/Mechanical-153819/) | | Nov 8, 2021 | Mechanical (HVAC) | | Not listed | [Sheet Metal-151191](https://nearbypermits.com/cambridge/permit/Sheet%20Metal-151191/) | | Sep 18, 2021 | Electrical | | Not listed | [Electrical-143090](https://nearbypermits.com/cambridge/permit/Electrical-143090/) | | Aug 27, 2021 | Plumbing | | Not listed | [Gas-141221](https://nearbypermits.com/cambridge/permit/Gas-141221/) | | Jul 16, 2021 | Alteration or repair | | Not listed | [Building: Alteration and Addition-131289](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-131289/) | | Jan 28, 2021 | Plumbing | | Not listed | [Plumbing-106524](https://nearbypermits.com/cambridge/permit/Plumbing-106524/) | | Nov 12, 2019 | Electrical | | Not listed | [Electrical-60010](https://nearbypermits.com/cambridge/permit/Electrical-60010/) | | Nov 12, 2019 | Alteration or repair | | Not listed | [Building: Alteration and Addition-59276](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-59276/) | | Nov 4, 2019 | Mechanical (HVAC) | | Not listed | [Mechanical-59713](https://nearbypermits.com/cambridge/permit/Mechanical-59713/) | | Jun 14, 2019 | Electrical | | Not listed | [Electrical-49141](https://nearbypermits.com/cambridge/permit/Electrical-49141/) | | Jun 12, 2019 | Plumbing | | Not listed | [Plumbing-48498](https://nearbypermits.com/cambridge/permit/Plumbing-48498/) | | Mar 4, 2019 | Electrical | | Not listed | [Electrical-32147](https://nearbypermits.com/cambridge/permit/Electrical-32147/) | | Oct 15, 2018 | Alteration or repair | | Not listed | [Building: Alteration and Addition-23217](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-23217/) | ## Within ¼ mi since May 1, 2026 44 permits in the circle. From our copy of the city's data (last 24 months). ### This block (250 to 1,000 ft), 25 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 7, 2026 | [86 Henry St](https://nearbypermits.com/cambridge/address/86-henry-st/) | 790 ft W | Electrical | | Not listed | [Electrical-1231288](https://nearbypermits.com/cambridge/permit/Electrical-1231288/) | | Oct 5, 2026 | [7 Fort Washington Pl](https://nearbypermits.com/cambridge/address/7-fort-washington-pl/) | 460 ft N | Plumbing | | Not listed | [Gas-1232823](https://nearbypermits.com/cambridge/permit/Gas-1232823/) | | Oct 5, 2026 | [45 Chestnut St](https://nearbypermits.com/cambridge/address/45-chestnut-st/) | 260 ft N | Alteration or repair | | Not listed | [Building: Short Form-1232314](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1232314/) | | Oct 1, 2026 | [5 Fort Washington Pl](https://nearbypermits.com/cambridge/address/5-fort-washington-pl/) | 440 ft N | Plumbing | | Not listed | [Gas-1232592](https://nearbypermits.com/cambridge/permit/Gas-1232592/) | | Sep 25, 2026 | [86 Henry St](https://nearbypermits.com/cambridge/address/86-henry-st/) | 790 ft W | Plumbing | | Not listed | [Plumbing-1231781](https://nearbypermits.com/cambridge/permit/Plumbing-1231781/) | | Sep 23, 2026 | [640 Memorial Dr](https://nearbypermits.com/cambridge/address/640-memorial-dr/) | 870 ft W | 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/) | 870 ft W | 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/) | 870 ft W | 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/) | 540 ft 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/) | 540 ft S | Electrical | | Not listed | [Electrical-1229786](https://nearbypermits.com/cambridge/permit/Electrical-1229786/) | | Sep 11, 2026 | [116 Chestnut St](https://nearbypermits.com/cambridge/address/116-chestnut-st/) | 910 ft NW | Alteration or repair | | Not listed | [Building: Short Form-1230106](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1230106/) | | Aug 12, 2026 | [86 Henry St](https://nearbypermits.com/cambridge/address/86-henry-st/) | 790 ft W | 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/) | 610 ft NW | Electrical | | Not listed | [Electrical-1217209](https://nearbypermits.com/cambridge/permit/Electrical-1217209/) | | Jul 13, 2026 | [20-22 Peters St](https://nearbypermits.com/cambridge/address/20--22-peters-st/) | 690 ft N | Electrical | | Not listed | [Electrical-1219538](https://nearbypermits.com/cambridge/permit/Electrical-1219538/) | | Jul 8, 2026 | [308 Brookline St](https://nearbypermits.com/cambridge/address/308-brookline-st/) | 590 ft NW | Alteration or repair | | Not listed | [Building: Alteration and Addition-1216435](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1216435/) | | Jul 6, 2026 | [20-22 Peters St](https://nearbypermits.com/cambridge/address/20--22-peters-st/) | 690 ft N | Alteration or repair | | Not listed | [Building: Alteration and Addition-1217911](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1217911/) | | Jun 1, 2026 | [67 Allston St](https://nearbypermits.com/cambridge/address/67-allston-st/) | 870 ft N | 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/) | 480 ft NW | Electrical | | Not listed | [Electrical-1213143](https://nearbypermits.com/cambridge/permit/Electrical-1213143/) | | May 28, 2026 | [69 Chestnut St](https://nearbypermits.com/cambridge/address/69-chestnut-st/) | 480 ft NW | Alteration or repair | | Not listed | [Building: Alteration and Addition-1212308](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1212308/) | | May 27, 2026 | [85 Allston St](https://nearbypermits.com/cambridge/address/85-allston-st/) | 910 ft N | Alteration or repair | | 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/) | 910 ft N | Alteration or repair | | 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/) | 970 ft NW | Electrical | | Not listed | [Electrical-1212848](https://nearbypermits.com/cambridge/permit/Electrical-1212848/) | | May 21, 2026 | [266 Brookline St](https://nearbypermits.com/cambridge/address/266-brookline-st/) | 790 ft N | Sign | | Not listed | [Signs-1210084](https://nearbypermits.com/cambridge/permit/Signs-1210084/) | | May 15, 2026 | [67 Allston St](https://nearbypermits.com/cambridge/address/67-allston-st/) | 870 ft N | 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/) | 870 ft N | Alteration or repair | | 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), 19 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Oct 5, 2026 | [22-24 Rockingham St](https://nearbypermits.com/cambridge/address/22--24-rockingham-st/) | 0.19 mi W | Plumbing | | Not listed | [Plumbing-1233122](https://nearbypermits.com/cambridge/permit/Plumbing-1233122/) | | Oct 5, 2026 | [22-24 Rockingham St](https://nearbypermits.com/cambridge/address/22--24-rockingham-st/) | 0.19 mi W | Plumbing | | Not listed | [Gas-1233121](https://nearbypermits.com/cambridge/permit/Gas-1233121/) | | Sep 29, 2026 | [17 Rockingham St](https://nearbypermits.com/cambridge/address/17-rockingham-st/) | 0.20 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/) | 0.20 mi W | Electrical | | Not listed | [Electrical-1231480](https://nearbypermits.com/cambridge/permit/Electrical-1231480/) | | Sep 22, 2026 | [40 Erie St](https://nearbypermits.com/cambridge/address/40-erie-st/) | 0.21 mi NE | Alteration or repair | | Not listed | [Building: Alteration and Addition-1229553](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1229553/) | | Sep 21, 2026 | [289-291 Pearl St](https://nearbypermits.com/cambridge/address/289--291-pearl-st/) | 0.23 mi NW | Alteration or repair | | Not listed | [Building: Alteration and Addition-1231044](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1231044/) | | Sep 11, 2026 | [305 Pearl St](https://nearbypermits.com/cambridge/address/305-pearl-st/) | 0.23 mi NW | Alteration or repair | | 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/) | 0.24 mi N | 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/) | 0.24 mi N | New building | | Not listed | [Building: New Construction-1211957](https://nearbypermits.com/cambridge/permit/Building%3A%20New%20Construction-1211957/) | | Aug 21, 2026 | [314 Pearl St](https://nearbypermits.com/cambridge/address/314-pearl-st/) | 0.22 mi NW | 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/) | 0.24 mi 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/) | 0.21 mi N | Electrical | | Not listed | [Electrical-1224840](https://nearbypermits.com/cambridge/permit/Electrical-1224840/) | | Jul 13, 2026 | [289-291 Pearl St](https://nearbypermits.com/cambridge/address/289--291-pearl-st/) | 0.23 mi NW | Alteration or repair | | Not listed | [Building: Short Form-1220173](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1220173/) | | Jun 25, 2026 | [133-137 Chestnut St](https://nearbypermits.com/cambridge/address/133--137-chestnut-st/) | 0.20 mi NW | Alteration or repair | | Not listed | [Building: Alteration and Addition-1217682](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1217682/) | | Jun 12, 2026 | [166 Allston St](https://nearbypermits.com/cambridge/address/166-allston-st/) | 0.24 mi N | Alteration or repair | | 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/) | 0.24 mi N | Alteration or repair | | Not listed | [Building: Alteration and Addition-1202661](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1202661/) | | May 29, 2026 | [266-276 Pearl St](https://nearbypermits.com/cambridge/address/266--276-pearl-st/) | 0.22 mi NW | Electrical | | Not listed | [Electrical-1207929](https://nearbypermits.com/cambridge/permit/Electrical-1207929/) | | May 27, 2026 | [164 Allston St](https://nearbypermits.com/cambridge/address/164-allston-st/) | 0.24 mi N | Demolition | | Not listed | [Demolition-1202499](https://nearbypermits.com/cambridge/permit/Demolition-1202499/) | | May 18, 2026 | [164 Allston St](https://nearbypermits.com/cambridge/address/164-allston-st/) | 0.24 mi N | Plumbing | | Not listed | [Gas-1211575](https://nearbypermits.com/cambridge/permit/Gas-1211575/) | ## Zoning requests nearby We don't list zoning cases for Cambridge yet. ## More on this street Other addresses on Chestnut St with permits, nearest house number first: - [2 Chestnut St](https://nearbypermits.com/cambridge/address/2-chestnut-st/): newest permit Nov 17, 2025 - [45 Chestnut St](https://nearbypermits.com/cambridge/address/45-chestnut-st/): newest permit Oct 5, 2026 - [48 Chestnut St](https://nearbypermits.com/cambridge/address/48-chestnut-st/): newest permit Mar 18, 2026 - [52 Chestnut St](https://nearbypermits.com/cambridge/address/52-chestnut-st/): newest permit Feb 2, 2026 - [55 Chestnut St](https://nearbypermits.com/cambridge/address/55-chestnut-st/): newest permit Jul 22, 2025 - [69 Chestnut St](https://nearbypermits.com/cambridge/address/69-chestnut-st/): newest permit Feb 2, 2026 - [108 Chestnut St](https://nearbypermits.com/cambridge/address/108-chestnut-st/): newest permit Jan 20, 2026 - [116 Chestnut St](https://nearbypermits.com/cambridge/address/116-chestnut-st/): newest permit Sep 11, 2026 - [122 Chestnut St](https://nearbypermits.com/cambridge/address/122-chestnut-st/): newest permit Nov 26, 2024 - [124 Chestnut St](https://nearbypermits.com/cambridge/address/124-chestnut-st/): newest permit Nov 4, 2024 --- Source: Cambridge Inspectional Services Department permit data (https://data.cambridgema.gov/d/3wsm-e5jx). Checked 2026-10-08 17:57 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 35 permits at this address and 44 nearby: https://nearbypermits.com/cambridge/address/20-chestnut-st/