# Building permits at 19 Walden Square Rd, Cambridge, MA

Two permits on record here. The newest, Aug 19: Electrical permit, no description from the city. Within a quarter mile, the city has issued 80 more permits (74 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Aug 19, 2026 | Electrical |  | Not listed | [Electrical-1225725](https://nearbypermits.com/cambridge/permit/Electrical-1225725/) |
| Aug 15, 2026 | Alteration or repair |  | Not listed | [Building: Short Form-1225690](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1225690/) |

## Within ¼ mi since May 1, 2026

80 permits in the circle. From our copy of the city's data (last 24 months).

### Next door (under 250 ft), 1 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Jul 28, 2026 | [21 Walden Square Rd](https://nearbypermits.com/cambridge/address/21-walden-square-rd/) | 210 ft E | Electrical |  | Not listed | [Electrical-1222347](https://nearbypermits.com/cambridge/permit/Electrical-1222347/) |

### This block (250 to 1,000 ft), 47 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 7, 2026 | [15 Bellis Cir](https://nearbypermits.com/cambridge/address/15-bellis-cir/) | 980 ft W | Mechanical (HVAC) |  | Not listed | [Sheet Metal-1233140](https://nearbypermits.com/cambridge/permit/Sheet%20Metal-1233140/) |
| Oct 1, 2026 | [177 Pemberton St](https://nearbypermits.com/cambridge/address/177-pemberton-st/) | 680 ft NW | Alteration or repair |  | Not listed | [Building: Alteration and Addition-1225449](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1225449/) |
| Sep 15, 2026 | [49 Sargent St](https://nearbypermits.com/cambridge/address/49-sargent-st/) | 950 ft NW | Plumbing |  | Not listed | [Plumbing-1230770](https://nearbypermits.com/cambridge/permit/Plumbing-1230770/) |
| Sep 14, 2026 | [180 Raymond St](https://nearbypermits.com/cambridge/address/180-raymond-st/) | 480 ft E | Mechanical (HVAC) |  | Not listed | [Mechanical-1229836](https://nearbypermits.com/cambridge/permit/Mechanical-1229836/) |
| Sep 10, 2026 | [180 Raymond St](https://nearbypermits.com/cambridge/address/180-raymond-st/) | 480 ft E | Electrical |  | Not listed | [Electrical-1229856](https://nearbypermits.com/cambridge/permit/Electrical-1229856/) |
| Aug 19, 2026 | [205 Walden St](https://nearbypermits.com/cambridge/address/205-walden-st/) | 760 ft S | Electrical |  | Not listed | [Electrical-1225927](https://nearbypermits.com/cambridge/permit/Electrical-1225927/) |
| Aug 19, 2026 | [10 Walden Square Rd](https://nearbypermits.com/cambridge/address/10-walden-square-rd/) | 260 ft W | Electrical |  | Not listed | [Electrical-1225718](https://nearbypermits.com/cambridge/permit/Electrical-1225718/) |
| Aug 19, 2026 | [85 Sherman St](https://nearbypermits.com/cambridge/address/85-sherman-st/) | 730 ft SW | Alteration or repair |  | Not listed | [Building: Short Form-1226755](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1226755/) |
| Aug 18, 2026 | [10 Walden Square Rd](https://nearbypermits.com/cambridge/address/10-walden-square-rd/) | 260 ft W | Alteration or repair |  | Not listed | [Building: Short Form-1225713](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1225713/) |
| Aug 17, 2026 | [69 Bolton St](https://nearbypermits.com/cambridge/address/69-bolton-st/) | 730 ft NW | Plumbing |  | Not listed | [Plumbing-1226179](https://nearbypermits.com/cambridge/permit/Plumbing-1226179/) |
| Aug 17, 2026 | [69 Bolton St](https://nearbypermits.com/cambridge/address/69-bolton-st/) | 730 ft NW | Plumbing |  | Not listed | [Gas-1226343](https://nearbypermits.com/cambridge/permit/Gas-1226343/) |
| Aug 13, 2026 | [205 Richdale Ave](https://nearbypermits.com/cambridge/address/205-richdale-ave/) | 460 ft NE | Electrical |  | Not listed | [Electrical-1225632](https://nearbypermits.com/cambridge/permit/Electrical-1225632/) |
| Aug 11, 2026 | [205 Richdale Ave](https://nearbypermits.com/cambridge/address/205-richdale-ave/) | 460 ft NE | Plumbing |  | Not listed | [Plumbing-1225105](https://nearbypermits.com/cambridge/permit/Plumbing-1225105/) |
| Jul 29, 2026 | [85 Sherman St](https://nearbypermits.com/cambridge/address/85-sherman-st/) | 730 ft SW | Mechanical (HVAC) |  | Not listed | [Mechanical-1220365](https://nearbypermits.com/cambridge/permit/Mechanical-1220365/) |
| Jul 28, 2026 | [177 Pemberton St](https://nearbypermits.com/cambridge/address/177-pemberton-st/) | 680 ft NW | Alteration or repair |  | Not listed | [Building: Alteration and Addition-1212370](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1212370/) |
| Jul 27, 2026 | [205 Richdale Ave](https://nearbypermits.com/cambridge/address/205-richdale-ave/) | 460 ft NE | Alteration or repair |  | Not listed | [Building: Short Form-1220037](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1220037/) |
| Jul 22, 2026 | [147 Richdale Ave](https://nearbypermits.com/cambridge/address/147-richdale-ave/) | 960 ft E | Roofing |  | Not listed | [Roof-1221283](https://nearbypermits.com/cambridge/permit/Roof-1221283/) |
| Jul 17, 2026 | [39 Hubbard Ave](https://nearbypermits.com/cambridge/address/39-hubbard-ave/) | 800 ft E | Electrical |  | Not listed | [Electrical-1220707](https://nearbypermits.com/cambridge/permit/Electrical-1220707/) |
| Jul 14, 2026 | [120 Sherman St](https://nearbypermits.com/cambridge/address/120-sherman-st/) | 700 ft W | Plumbing |  | Not listed | [Plumbing-1219835](https://nearbypermits.com/cambridge/permit/Plumbing-1219835/) |
| Jul 14, 2026 | [120 Sherman St](https://nearbypermits.com/cambridge/address/120-sherman-st/) | 700 ft W | Electrical |  | Not listed | [Electrical-1219898](https://nearbypermits.com/cambridge/permit/Electrical-1219898/) |
| Jul 14, 2026 | [161 Raymond St](https://nearbypermits.com/cambridge/address/161-raymond-st/) | 700 ft SE | Electrical |  | Not listed | [Electrical-1219780](https://nearbypermits.com/cambridge/permit/Electrical-1219780/) |
| Jul 10, 2026 | [91 Sherman St](https://nearbypermits.com/cambridge/address/91-sherman-st/) | 740 ft W | Roofing |  | Not listed | [Roof-1220017](https://nearbypermits.com/cambridge/permit/Roof-1220017/) |
| Jul 9, 2026 | [161 Raymond St](https://nearbypermits.com/cambridge/address/161-raymond-st/) | 700 ft SE | Plumbing |  | Not listed | [Plumbing-1219817](https://nearbypermits.com/cambridge/permit/Plumbing-1219817/) |
| Jul 9, 2026 | [177 Pemberton St](https://nearbypermits.com/cambridge/address/177-pemberton-st/) | 680 ft NW | Plumbing |  | Not listed | [Gas-1219903](https://nearbypermits.com/cambridge/permit/Gas-1219903/) |
| Jul 7, 2026 | [31 Hubbard Ave](https://nearbypermits.com/cambridge/address/31-hubbard-ave/) | 880 ft E | Alteration or repair |  | Not listed | [Building: Alteration and Addition-1219228](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1219228/) |
| Jul 1, 2026 | [175 Richdale Ave](https://nearbypermits.com/cambridge/address/175-richdale-ave/) | 830 ft E | Mechanical (HVAC) |  | Not listed | [Mechanical-1217966](https://nearbypermits.com/cambridge/permit/Mechanical-1217966/) |
| Jun 30, 2026 | [54 Bellis Cir](https://nearbypermits.com/cambridge/address/54-bellis-cir/) | 970 ft NW | Plumbing |  | Not listed | [Plumbing-1218440](https://nearbypermits.com/cambridge/permit/Plumbing-1218440/) |
| Jun 8, 2026 | [54 Bellis Cir](https://nearbypermits.com/cambridge/address/54-bellis-cir/) | 970 ft NW | Plumbing |  | Not listed | [Plumbing-1214931](https://nearbypermits.com/cambridge/permit/Plumbing-1214931/) |
| Jun 29, 2026 | [161 Raymond St](https://nearbypermits.com/cambridge/address/161-raymond-st/) | 700 ft SE | Alteration or repair |  | Not listed | [Building: Alteration and Addition-1215697](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1215697/) |
| Jun 22, 2026 | [7 Blair Pl](https://nearbypermits.com/cambridge/address/7-blair-pl/) | 550 ft NW | Plumbing |  | Not listed | [Plumbing-1216899](https://nearbypermits.com/cambridge/permit/Plumbing-1216899/) |
| Jun 15, 2026 | [2 Bellis Ct](https://nearbypermits.com/cambridge/address/2-bellis-ct/) | 800 ft W | Mechanical (HVAC) |  | Not listed | [Mechanical-1211238](https://nearbypermits.com/cambridge/permit/Mechanical-1211238/) |
| Jun 12, 2026 | [14 Van Norden St](https://nearbypermits.com/cambridge/address/14-van-norden-st/) | 850 ft N | Electrical |  | Not listed | [Electrical-1215299](https://nearbypermits.com/cambridge/permit/Electrical-1215299/) |
| Jun 10, 2026 | [14 Van Norden St](https://nearbypermits.com/cambridge/address/14-van-norden-st/) | 850 ft N | Plumbing |  | Not listed | [Plumbing-1215269](https://nearbypermits.com/cambridge/permit/Plumbing-1215269/) |
| Jun 9, 2026 | [78 Bolton St](https://nearbypermits.com/cambridge/address/78-bolton-st/) | 470 ft NW | Demolition |  | Not listed | [Demolition-1181666](https://nearbypermits.com/cambridge/permit/Demolition-1181666/) |
| Jun 8, 2026 | [177 Pemberton St](https://nearbypermits.com/cambridge/address/177-pemberton-st/) | 680 ft NW | Mechanical (HVAC) |  | Not listed | [Mechanical-1213539](https://nearbypermits.com/cambridge/permit/Mechanical-1213539/) |
| Jun 5, 2026 | [177 Pemberton St](https://nearbypermits.com/cambridge/address/177-pemberton-st/) | 680 ft NW | Electrical |  | Not listed | [Electrical-1213875](https://nearbypermits.com/cambridge/permit/Electrical-1213875/) |
| Jun 3, 2026 | [1 Verdun St](https://nearbypermits.com/cambridge/address/1-verdun-st/) | 810 ft N | Alteration or repair |  | Not listed | [Building: Alteration and Addition-1214030](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1214030/) |
| May 29, 2026 | [189 Richdale Ave](https://nearbypermits.com/cambridge/address/189-richdale-ave/) | 580 ft E | Electrical |  | Not listed | [Electrical-1212431](https://nearbypermits.com/cambridge/permit/Electrical-1212431/) |
| May 20, 2026 | [6 Verdun St](https://nearbypermits.com/cambridge/address/6-verdun-st/) | 770 ft N | Electrical |  | Not listed | [Electrical-1211656](https://nearbypermits.com/cambridge/permit/Electrical-1211656/) |
| May 20, 2026 | [7 Blair Pl](https://nearbypermits.com/cambridge/address/7-blair-pl/) | 550 ft NW | Electrical |  | Not listed | [Electrical-1211599](https://nearbypermits.com/cambridge/permit/Electrical-1211599/) |
| May 20, 2026 | [203 Pemberton St](https://nearbypermits.com/cambridge/address/203-pemberton-st/) | 850 ft NW | Alteration or repair |  | Not listed | [Building: Alteration and Addition-1212106](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1212106/) |
| May 20, 2026 | [203 Pemberton St](https://nearbypermits.com/cambridge/address/203-pemberton-st/) | 850 ft NW | Alteration or repair |  | Not listed | [Building: Alteration and Addition-1212103](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1212103/) |
| May 20, 2026 | [203 Pemberton St](https://nearbypermits.com/cambridge/address/203-pemberton-st/) | 850 ft NW | Alteration or repair |  | Not listed | [Building: Alteration and Addition-1212102](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1212102/) |
| May 18, 2026 | [2 Bellis Ct](https://nearbypermits.com/cambridge/address/2-bellis-ct/) | 800 ft W | Electrical |  | Not listed | [Electrical-1211271](https://nearbypermits.com/cambridge/permit/Electrical-1211271/) |
| May 15, 2026 | [205 Walden St](https://nearbypermits.com/cambridge/address/205-walden-st/) | 760 ft S | Pool or spa |  | Not listed | [Swimming Pool-273008](https://nearbypermits.com/cambridge/permit/Swimming%20Pool-273008/) |
| May 8, 2026 | [120 Sherman St](https://nearbypermits.com/cambridge/address/120-sherman-st/) | 700 ft W | Alteration or repair |  | Not listed | [Building: Alteration and Addition-1206028](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1206028/) |
| May 6, 2026 | [47-25 Cogswell Ave](https://nearbypermits.com/cambridge/address/47--25-cogswell-ave/) | 960 ft E | Alteration or repair |  | Not listed | [Building: Alteration and Addition-1210068](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1210068/) |

### Farther (1,000 ft to ¼ mi), 32 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | [43 Stearns St](https://nearbypermits.com/cambridge/address/43-stearns-st/) | 0.23 mi S | Electrical |  | Not listed | [Electrical-1231938](https://nearbypermits.com/cambridge/permit/Electrical-1231938/) |
| Sep 30, 2026 | [235 Walden St](https://nearbypermits.com/cambridge/address/235-walden-st/) | 0.19 mi S | Electrical |  | Not listed | [Electrical-1231757](https://nearbypermits.com/cambridge/permit/Electrical-1231757/) |
| Sep 30, 2026 | [45-9 Cogswell Ave](https://nearbypermits.com/cambridge/address/45--9-cogswell-ave/) | 0.21 mi E | Alteration or repair |  | Not listed | [Building: Short Form-1232300](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1232300/) |
| Sep 29, 2026 | [18 Yerxa Rd](https://nearbypermits.com/cambridge/address/18-yerxa-rd/) | 0.20 mi N | Plumbing |  | Not listed | [Plumbing-1232390](https://nearbypermits.com/cambridge/permit/Plumbing-1232390/) |
| Sep 24, 2026 | [81 Pemberton St](https://nearbypermits.com/cambridge/address/81-pemberton-st/) | 0.20 mi NE | Electrical |  | Not listed | [Electrical-1231488](https://nearbypermits.com/cambridge/permit/Electrical-1231488/) |
| Aug 12, 2026 | [81 Pemberton St](https://nearbypermits.com/cambridge/address/81-pemberton-st/) | 0.20 mi NE | Electrical |  | Not listed | [Electrical-1224626](https://nearbypermits.com/cambridge/permit/Electrical-1224626/) |
| Sep 17, 2026 | [43 Stearns St](https://nearbypermits.com/cambridge/address/43-stearns-st/) | 0.23 mi S | Mechanical (HVAC) |  | Not listed | [Mechanical-1230841](https://nearbypermits.com/cambridge/permit/Mechanical-1230841/) |
| Sep 9, 2026 | [37-39 Sargent St](https://nearbypermits.com/cambridge/address/37--39-sargent-st/) | 0.20 mi NW | Alteration or repair |  | Not listed | [Building: Short Form-1229399](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1229399/) |
| Sep 2, 2026 | [29 Sargent St](https://nearbypermits.com/cambridge/address/29-sargent-st/) | 0.22 mi NW | Demolition |  | Not listed | [Demolition-1211654](https://nearbypermits.com/cambridge/permit/Demolition-1211654/) |
| Sep 1, 2026 | [131 Raymond St](https://nearbypermits.com/cambridge/address/131-raymond-st/) | 0.20 mi SE | Electrical |  | Not listed | [Electrical-1228165](https://nearbypermits.com/cambridge/permit/Electrical-1228165/) |
| Aug 31, 2026 | [147 Sherman St](https://nearbypermits.com/cambridge/address/147-sherman-st/) | 0.23 mi NW | Electrical |  | Not listed | [Electrical-1225657](https://nearbypermits.com/cambridge/permit/Electrical-1225657/) |
| Aug 31, 2026 | [131 Raymond St](https://nearbypermits.com/cambridge/address/131-raymond-st/) | 0.20 mi SE | Alteration or repair |  | Not listed | [Building: Alteration and Addition-1223025](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1223025/) |
| Aug 20, 2026 | [43 Stearns St](https://nearbypermits.com/cambridge/address/43-stearns-st/) | 0.23 mi S | Alteration or repair |  | Not listed | [Building: Short Form-1226960](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1226960/) |
| Aug 19, 2026 | [41 Sherman St](https://nearbypermits.com/cambridge/address/41-sherman-st/) | 0.23 mi S | Alteration or repair |  | Not listed | [Building: Alteration and Addition-1217094](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1217094/) |
| Aug 13, 2026 | [55 Stearns St](https://nearbypermits.com/cambridge/address/55-stearns-st/) | 0.22 mi S | Plumbing |  | Not listed | [Plumbing-1225486](https://nearbypermits.com/cambridge/permit/Plumbing-1225486/) |
| Aug 12, 2026 | [241 Upland Rd](https://nearbypermits.com/cambridge/address/241-upland-rd/) | 0.24 mi S | Alteration or repair |  | Not listed | [Building: Short Form-1225630](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1225630/) |
| Aug 6, 2026 | [2 Cogswell Ct](https://nearbypermits.com/cambridge/address/2-cogswell-ct/) | 0.24 mi E | Mechanical (HVAC) |  | Not listed | [Mechanical-1223228](https://nearbypermits.com/cambridge/permit/Mechanical-1223228/) |
| Jul 31, 2026 | [2 Cogswell Ct](https://nearbypermits.com/cambridge/address/2-cogswell-ct/) | 0.24 mi E | Electrical |  | Not listed | [Electrical-1223233](https://nearbypermits.com/cambridge/permit/Electrical-1223233/) |
| Jul 30, 2026 | [147 Sherman St](https://nearbypermits.com/cambridge/address/147-sherman-st/) | 0.23 mi NW | Mechanical (HVAC) |  | Not listed | [Sheet Metal-1222959](https://nearbypermits.com/cambridge/permit/Sheet%20Metal-1222959/) |
| Jul 29, 2026 | [37 Cogswell Ave](https://nearbypermits.com/cambridge/address/37-cogswell-ave/) | 0.24 mi E | Alteration or repair |  | Not listed | [Building: Short Form-1223159](https://nearbypermits.com/cambridge/permit/Building%3A%20Short%20Form-1223159/) |
| Jul 28, 2026 | [107 Walden St](https://nearbypermits.com/cambridge/address/107-walden-st/) | 0.20 mi SE | Electrical |  | Not listed | [Electrical-1222714](https://nearbypermits.com/cambridge/permit/Electrical-1222714/) |
| Jul 28, 2026 | [147 Sherman St](https://nearbypermits.com/cambridge/address/147-sherman-st/) | 0.23 mi NW | Alteration or repair |  | Not listed | [Building: Alteration and Addition-1216685](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1216685/) |
| Jul 27, 2026 | [81 Pemberton St](https://nearbypermits.com/cambridge/address/81-pemberton-st/) | 0.20 mi NE | Plumbing |  | Not listed | [Plumbing-1222638](https://nearbypermits.com/cambridge/permit/Plumbing-1222638/) |
| Jul 27, 2026 | [20 Notre Dame Ave](https://nearbypermits.com/cambridge/address/20-notre-dame-ave/) | 0.19 mi NW | Electrical |  | Not listed | [Electrical-1222138](https://nearbypermits.com/cambridge/permit/Electrical-1222138/) |
| Jun 22, 2026 | [1 Cogswell Ct](https://nearbypermits.com/cambridge/address/1-cogswell-ct/) | 0.24 mi E | Plumbing |  | Not listed | [Plumbing-1216789](https://nearbypermits.com/cambridge/permit/Plumbing-1216789/) |
| Jun 22, 2026 | [1 Cogswell Ct](https://nearbypermits.com/cambridge/address/1-cogswell-ct/) | 0.24 mi E | Plumbing |  | Not listed | [Gas-1216791](https://nearbypermits.com/cambridge/permit/Gas-1216791/) |
| Jun 9, 2026 | [241 Upland Rd](https://nearbypermits.com/cambridge/address/241-upland-rd/) | 0.24 mi S | Plumbing |  | Not listed | [Plumbing-1215152](https://nearbypermits.com/cambridge/permit/Plumbing-1215152/) |
| Jun 5, 2026 | [147 Sherman St](https://nearbypermits.com/cambridge/address/147-sherman-st/) | 0.23 mi NW | Electrical |  | Not listed | [Electrical-1213655](https://nearbypermits.com/cambridge/permit/Electrical-1213655/) |
| Jun 1, 2026 | [81 Pemberton St](https://nearbypermits.com/cambridge/address/81-pemberton-st/) | 0.20 mi NE | Alteration or repair |  | Not listed | [Building: Alteration and Addition-1211342](https://nearbypermits.com/cambridge/permit/Building%3A%20Alteration%20and%20Addition-1211342/) |
| May 14, 2026 | [45-5 Cogswell Ave](https://nearbypermits.com/cambridge/address/45--5-cogswell-ave/) | 0.22 mi E | Electrical |  | Not listed | [Electrical-1211003](https://nearbypermits.com/cambridge/permit/Electrical-1211003/) |
| May 14, 2026 | [1 Cogswell Ct](https://nearbypermits.com/cambridge/address/1-cogswell-ct/) | 0.24 mi E | Electrical |  | Not listed | [Electrical-1209397](https://nearbypermits.com/cambridge/permit/Electrical-1209397/) |
| May 4, 2026 | [241 Upland Rd](https://nearbypermits.com/cambridge/address/241-upland-rd/) | 0.24 mi S | Electrical |  | Not listed | [Electrical-1209160](https://nearbypermits.com/cambridge/permit/Electrical-1209160/) |

## Zoning requests nearby

We don't list zoning cases for Cambridge yet.

## More on this street

Other addresses on Walden Square Rd with permits, nearest house number first:

- [21 Walden Square Rd](https://nearbypermits.com/cambridge/address/21-walden-square-rd/): newest permit Jul 28, 2026
- [10 Walden Square Rd](https://nearbypermits.com/cambridge/address/10-walden-square-rd/): newest permit Aug 19, 2026

---
Source: Cambridge Inspectional Services Department permit data (https://data.cambridgema.gov/d/3wsm-e5jx). Checked 2026-10-08 16:51 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, both permits at this address and 80 nearby: https://nearbypermits.com/cambridge/address/19-walden-square-rd/
