| 100 Alden St | 8-2_26_Y | Nursing Homes - includes property designed for minimal care with or without medical facilities | $1,401,100 | $379,723 March 30, 2026 |
| 100 Alden St | 8-2_26_X | Nursing Homes - includes property designed for minimal care with or without medical facilities | $6,904,900 | $100,000 November 1, 2019 |
| 100-U100 Alden St | 8-2_26_-100 | Residential Condominium | $602,900 | $440,000 May 6, 2014 |
| 100-U101 Alden St | 8-2_26_-101 | Residential Condominium | $481,600 | nominal ($0) December 8, 2025 |
| 100-U102 Alden St | 8-2_26_-102 | Residential Condominium | $602,900 | $500,000 August 8, 2014 |
| 100-U103 Alden St | 8-2_26_-103 | Residential Condominium | $479,900 | $498,900 December 2, 2021 |
| 100-U104 Alden St | 8-2_26_-104 | Residential Condominium | $459,600 | $451,000 March 14, 2022 |
| 100-U105 Alden St | 8-2_26_-105 | Residential Condominium | $477,900 | $325,000 May 15, 2018 |
| 100-U107 Alden St | 8-2_26_-107 | Residential Condominium | $561,200 | $560,000 January 8, 2021 |
| 100-U109 Alden St | 8-2_26_-109 | Residential Condominium | $477,900 | nominal ($1) April 10, 2026 |
| 100-U111 Alden St | 8-2_26_-111 | Residential Condominium | $477,900 | $381,000 September 11, 2015 |
| 100-U113 Alden St | 8-2_26_-113 | Residential Condominium | $647,600 | $710,000 November 13, 2024 |
| 100-U200 Alden St | 8-2_26_-200 | Residential Condominium | $365,200 | $249,000 November 15, 2018 |
| 100-U201 Alden St | 8-2_26_-201 | Residential Condominium | $397,200 | $389,000 March 29, 2022 |
| 100-U202 Alden St | 8-2_26_-202 | Residential Condominium | $376,700 | nominal ($1) February 21, 2025 |
| 100-U203 Alden St | 8-2_26_-203 | Residential Condominium | $397,200 | $280,000 January 11, 2019 |
| 100-U204 Alden St | 8-2_26_-204 | Residential Condominium | $397,200 | $425,000 April 16, 2024 |
| 100-U205 Alden St | 8-2_26_-205 | Residential Condominium | $457,500 | $345,000 December 30, 2020 |
| 100-U206 Alden St | 8-2_26_-206 | Residential Condominium | $235,800 | $250,000 December 20, 2022 |
| 100-U207 Alden St | 8-2_26_-207 | Residential Condominium | $369,400 | nominal ($100) December 29, 2022 |
| 100-U208 Alden St | 8-2_26_-208 | Residential Condominium | $235,800 | nominal ($100) December 29, 2022 |
| 100-U209 Alden St | 8-2_26_-209 | Residential Condominium | $369,400 | $385,000 November 28, 2022 |
| 100-U210 Alden St | 8-2_26_-210 | Residential Condominium | $397,200 | $270,000 May 15, 2018 |
| 100-U211 Alden St | 8-2_26_-211 | Residential Condominium | $235,800 | nominal ($100) December 29, 2022 |
| 100-U212 Alden St | 8-2_26_-212 | Residential Condominium | $235,800 | nominal ($100) December 29, 2022 |
| 100-U213 Alden St | 8-2_26_-213 | Residential Condominium | $337,400 | nominal ($100) December 29, 2022 |
| 100-U214 Alden St | 8-2_26_-214 | Residential Condominium | $397,200 | $399,000 March 27, 2023 |
| 100-U215 Alden St | 8-2_26_-215 | Residential Condominium | $337,400 | nominal ($1) April 4, 2019 |
| 100-U216 Alden St | 8-2_26_-216 | Residential Condominium | $235,800 | nominal ($100) December 29, 2022 |
| 100-U217 Alden St | 8-2_26_-217 | Residential Condominium | $235,800 | nominal ($100) December 29, 2022 |
| 100-U218 Alden St | 8-2_26_-218 | Residential Condominium | $565,900 | $1,419,862 November 1, 2019 |
| 100-U219 Alden St | 8-2_26_-219 | Residential Condominium | $397,200 | $338,000 September 11, 2020 |
| 100-U220 Alden St | 8-2_26_-220 | Residential Condominium | $235,800 | nominal ($100) December 29, 2022 |
| 100-U221 Alden St | 8-2_26_-221 | Residential Condominium | $473,700 | $545,000 June 20, 2024 |
| 100-U222 Alden St | 8-2_26_-222 | Residential Condominium | $397,200 | nominal ($1) April 1, 2022 |
| 100-U223 Alden St | 8-2_26_-223 | Residential Condominium | $465,900 | nominal ($1) April 23, 2024 |
| 100-U224 Alden St | 8-2_26_-224 | Residential Condominium | $485,900 | $450,000 May 7, 2024 |
| 100-U225 Alden St | 8-2_26_-225 | Residential Condominium | $481,600 | $425,000 March 5, 2021 |
| 100-U226 Alden St | 8-2_26_-226 | Residential Condominium | $592,100 | $441,900 December 28, 2016 |
| 100-U227 Alden St | 8-2_26_-227 | Residential Condominium | $467,300 | $320,000 September 19, 2018 |
| 100-U228 Alden St | 8-2_26_-228 | Residential Condominium | $591,100 | $580,000 January 9, 2020 |
| 100-U229 Alden St | 8-2_26_-229 | Residential Condominium | $267,900 | $272,500 December 19, 2023 |
| 100-U230 Alden St | 8-2_26_-230 | Residential Condominium | $602,900 | $615,000 May 3, 2024 |
| 100-U231 Alden St | 8-2_26_-231 | Residential Condominium | $783,300 | nominal ($1) December 11, 2024 |
| 100-U232 Alden St | 8-2_26_-232 | Residential Condominium | $493,800 | $480,000 July 15, 2021 |
| 100-U233 Alden St | 8-2_26_-233 | Residential Condominium | $477,900 | $640,000 February 27, 2026 |
| 100-U235 Alden St | 8-2_26_-235 | Residential Condominium | $477,900 | nominal ($1) August 27, 2024 |
| 100-U237 Alden St | 8-2_26_-237 | Residential Condominium | $647,600 | nominal ($10) March 15, 2018 |
| 100-U300 Alden St | 8-2_26_-300 | Residential Condominium | $703,400 | nominal ($1) January 24, 2023 |
| 100-U301 Alden St | 8-2_26_-301 | Residential Condominium | $387,000 | $1,419,862 November 1, 2019 |
| 100-U302 Alden St | 8-2_26_-302 | Residential Condominium | $556,300 | $525,000 June 7, 2022 |
| 100-U303 Alden St | 8-2_26_-303 | Residential Condominium | $399,200 | $420,000 December 20, 2022 |
| 100-U304 Alden St | 8-2_26_-304 | Residential Condominium | $457,500 | $375,000 October 23, 2020 |
| 100-U305 Alden St | 8-2_26_-305 | Residential Condominium | $556,300 | $444,000 June 4, 2019 |
| 100-U306 Alden St | 8-2_26_-306 | Residential Condominium | $620,500 | $660,000 January 17, 2023 |
| 100-U307 Alden St | 8-2_26_-307 | Residential Condominium | $556,300 | $1,419,862 November 1, 2019 |
| 100-U308 Alden St | 8-2_26_-308 | Residential Condominium | $457,500 | $265,000 November 1, 2017 |
| 100-U309 Alden St | 8-2_26_-309 | Residential Condominium | $609,700 | $550,000 July 17, 2023 |
| 100-U310 Alden St | 8-2_26_-310 | Residential Condominium | $556,300 | $475,000 May 22, 2020 |
| 100-U311 Alden St | 8-2_26_-311 | Residential Condominium | $556,300 | $460,000 April 4, 2014 |