River St, Billerica, MA Property Records

Middlesex County and Billerica Town property records for 71 addresses on River St, Billerica, MA · Last verified October 2026

River St Highlights

Properties 94
Median Sale Price $560,000
Deeds and Mortgages on File 110
Median Price per Sqft $309
Owner Occupied 85%
Median Annual Tax Bill $6,392
Median Year Built 1985
Median Ownership Tenure 11 years

Properties on River St

Owner names and prior sale amounts shown locked below are available instantly with a free trial.

5 River St

2 bd · 1.5 ba · 2,384 sqft · built 1790 · 0.918 acres

Last Sale Tax Bill Prior Sale Owner Records
$408,000Apr 2020 $6,7022026 Amount on Record Jun 2018 Owner on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2026

8 River St

5 bd · 2 ba · 3,166 sqft · built 1905 · 1.04 acres

Last Sale Tax Bill Prior Sale Owner Records
$177,000Jan 1992 $7,7952025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

9 River St

2 bd · 1.5 ba · 1,440 sqft · built 1890 · 0.107 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2016 $6,6452025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

10 River St, #10A

3 bd · 2.5 ba · 2,796 sqft · built 1860 · 2 acres

Last Sale Tax Bill Prior Sale Owner Records
$145,000Jan 1994 $7,3622025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

13 River St

2.83 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Apr 2026

16 River St

4.45 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Apr 2026

21 River St

4 bd · 2 ba · 2,524 sqft · built 1940 · 0.24 acres

Last Sale Tax Bill Prior Sale Owner Records
$185,000Dec 1999 $6,2652025 Amount on Record Mar 1990 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

26 River St

3 bd · 1 ba · 1,080 sqft · built 1945 · 0.22 acres

Last Sale Tax Bill Prior Sale Owner Records
$525,000Feb 2026 $5,1892026 Amount on Record Nov 2025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

30 River St

2.58 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Apr 2026

35 River St

504,154 sqft · built 1973 · 19.4 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Apr 2026

39 River St, #41

3 bd · 2.5 ba · 2,344 sqft · built 2014 · 0.355 acres

Last Sale Tax Bill Prior Sale Owner Records
$525,000Oct 2014 $9,5722025 Amount on Record Jul 2013 2 Owners on Record Owner Occupied AssessorUpdated Apr 2026

40 River St

3 bd · 2 ba · 1,386 sqft · built 1951 · 0.195 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,4272025 Owner on Record AssessorUpdated Jul 2026

41 River St

3 bd · 2.5 ba · 2,332 sqft · built 2014 · 0.359 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Oct 2014 $9,0912025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Apr 2026

42 River St

3 bd · 2 ba · 1,830 sqft · built 1942 · 0.185 acres

Last Sale Tax Bill Prior Sale Owner Records
$302,500Aug 2015 $6,4002025 Amount on Record Oct 1993 Owner on Record AssessorUpdated Jul 2026

44 River St

3 bd · 1 ba · 1,080 sqft · built 1947 · 0.181 acres

Last Sale Tax Bill Prior Sale Owner Records
$110,000Dec 1994 $4,7532025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

46 River St

3 bd · 1.5 ba · 1,209 sqft · built 1960 · 0.185 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,1192025 2 Owners on Record Assessor + 2 DocumentsUpdated Jul 2026

48 River St

4 bd · 2.5 ba · 1,747 sqft · built 1960 · 0.202 acres

Last Sale Tax Bill Prior Sale Owner Records
$367,000Sep 2018 $5,7882025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

50 River St

3 bd · 1.5 ba · 1,320 sqft · built 1942 · 0.213 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,7102025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

51 River St

3 bd · 2.5 ba · 2,556 sqft · built 1920 · 0.4 acres

Last Sale Tax Bill Prior Sale Owner Records
$197,000Jul 2001 $6,9802025 Amount on Record Dec 1990 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

52 River St

2 bd · 4 ba · 86,933 sqft · built 1953 · 8 acres

Last Sale Tax Bill Prior Sale Owner Records
Owner on Record AssessorUpdated Apr 2026

53 River St

24 units · Built 2002 · 1,602 sq ft

Last Sale Median Tax Bill Median Sale    
$608,000Mar 2025 $5,9252025 $470,00024 units    

54 River St

4 bd · 2.5 ba · 2,303 sqft · built 1961 · 0.573 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,8922025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

61 River St

3 bd · 2.5 ba · 1,986 sqft · built 1985 · 0.918 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Feb 2021 $7,9872026 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Oct 2026

63 River St

3 bd · 2 ba · 1,688 sqft · built 1985 · 0.918 acres

Last Sale Tax Bill Prior Sale Owner Records
$425,000Aug 2018 $7,9082026 Amount on Record Jan 2000 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2026

65 River St

3 bd · 2 ba · 1,743 sqft · built 1985 · 0.918 acres

Last Sale Tax Bill Prior Sale Owner Records
$371,000Jun 2004 $7,2042025 Amount on Record Jan 1989 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

108 River St

3 bd · 1.5 ba · 1,890 sqft · built 1988 · 0.39 acres

Last Sale Tax Bill Prior Sale Owner Records
$150,000Aug 1997 $6,6962025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

110 River St

3 bd · 2.5 ba · 2,078 sqft · built 1965 · 0.269 acres

Last Sale Tax Bill Prior Sale Owner Records
$164,900Aug 1998 $6,6412025 Amount on Record Sep 1995 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

159 River St

3 bd · 1 ba · 1,617 sqft · built 1935 · 0.503 acres

Last Sale Tax Bill Prior Sale Owner Records
$120,000Nov 1989 $5,9542025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

174 River St

2 bd · 1.5 ba · 880 sqft · built 1920 · 0.159 acres

Last Sale Tax Bill Prior Sale Owner Records
$336,000Apr 2020 $4,9842026 Amount on Record Sep 2014 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

175 River St

3 bd · 1 ba · 1,649 sqft · built 1968 · 0.282 acres

Last Sale Tax Bill Prior Sale Owner Records
$250,000May 2010 $5,4372025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

176 River St

2 bd · 1 ba · 900 sqft · built 1900 · 0.106 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,4762025 Owner on Record Owner Occupied AssessorUpdated Apr 2026

177 River St

3 bd · 2 ba · 1,876 sqft · built 1960 · 0.243 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,200,000Feb 2023 $6,1722026 Amount on Record Mar 2011 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

179 River St

3 bd · 2.5 ba · 2,255 sqft · built 1996 · 0.75 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2017 $7,7882025 Amount on Record Sep 1997 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

180 River St

3 bd · 1 ba · 1,397 sqft · built 1962 · 0.226 acres

Last Sale Tax Bill Prior Sale Owner Records
$600,000Aug 2025 $5,9902026 Amount on Record Aug 2024 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

181 River St

4 bd · 1.5 ba · 2,787 sqft · built 1942 · 0.674 acres

Last Sale Tax Bill Prior Sale Owner Records
$120,000Sep 1988 $7,3602025 2 Owners on Record AssessorUpdated Jul 2026

183 River St

6 bd · 2 ba · 3,217 sqft · built 1972 · 0.437 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,5332025 Owner on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

186 River St

3 bd · 2.5 ba · 1,572 sqft · built 1964 · 0.224 acres

Last Sale Tax Bill Prior Sale Owner Records
$52,000Dec 2020 $7,1042026 Amount on Record Jan 2019 2 Owners on Record Owner Occupied Assessor + 5 DocumentsUpdated Oct 2026

188 River St

4 bd · 2 ba · 1,344 sqft · built 1964 · 0.103 acres

Last Sale Tax Bill Prior Sale Owner Records
$5,7612025 2 Owners on Record Owner Occupied AssessorUpdated Aug 2026

190 River St

4 bd · 2 ba · 2,084 sqft · built 1970 · 0.226 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2012 $6,7122025 Amount on Record May 2001 Owner on Record Owner Occupied AssessorUpdated Jul 2026

192 River St

3 bd · 2.5 ba · 2,059 sqft · built 1993 · 0.706 acres

Last Sale Tax Bill Prior Sale Owner Records
$156,000Nov 1993 $7,1372025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

197 River St

3 bd · 1 ba · 1,784 sqft · built 1963 · 0.355 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 2015 $5,9372026 —Jul 2013 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

203 River St

4 bd · 2 ba · 2,503 sqft · built 1962 · 0.308 acres

Last Sale Tax Bill Prior Sale Owner Records
$540,000Dec 2021 $6,1682025 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

215 River St

3 bd · 2 ba · 2,287 sqft · built 1961 · 0.331 acres

Last Sale Tax Bill Prior Sale Owner Records
$511,500Dec 2022 $6,7082026 Amount on Record Mar 2021 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

216 River St

3 bd · 2.5 ba · 1,987 sqft · built 2000 · 0.689 acres

Last Sale Tax Bill Prior Sale Owner Records
$300,000Jun 2000 $7,7322025 Amount on Record Feb 2000 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

217 River St

2 bd · 1 ba · 1,673 sqft · built 1955 · 0.562 acres

Last Sale Tax Bill Prior Sale Owner Records
$318,000Apr 2006 $6,4512026 Amount on Record Jan 1989 2 Owners on Record Owner Occupied AssessorUpdated Oct 2026

218 River St

4 bd · 1 ba · 1,219 sqft · built 1945 · 0.23 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,8062025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

221 River St

3 bd · 1 ba · 1,584 sqft · built 1950 · 0.895 acres

Last Sale Tax Bill Prior Sale Owner Records
$164,697Oct 1997 $6,7002025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

224 River St

3 bd · 2.5 ba · 2,410 sqft · built 1960 · 0.379 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,065,000Apr 2022 $5,9912025 Amount on Record Jul 2005 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

226 River St

3 bd · 2.5 ba · 2,300 sqft · built 2005 · 0.38 acres

Last Sale Tax Bill Prior Sale Owner Records
$500,000Nov 2016 $9,7582026 —Feb 2014 Owner on Record Owner Occupied AssessorUpdated Oct 2026

230 River St

3 bd · 2 ba · 2,066 sqft · built 1982 · 0.205 acres

Last Sale Tax Bill Prior Sale Owner Records
$415,000Aug 2017 $6,6152026 Amount on Record May 2010 2 Owners on Record Owner Occupied Assessor + 6 DocumentsUpdated Oct 2026

234 River St

3 bd · 2.5 ba · 2,834 sqft · built 2009 · 0.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$655,000May 2020 $9,4662026 Amount on Record Aug 2009 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

235 River St

3.5 ba · 3,092 sqft · built 2012 · 0.551 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,050,000Nov 2024 $10,9932025 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

236 River St

4 bd · 2 ba · 1,553 sqft · built 1986 · 0.222 acres

Last Sale Tax Bill Prior Sale Owner Records
$474,900Jun 2012 $6,4662025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

239 River St

4 bd · 1.5 ba · 2,027 sqft · built 1986 · 0.198 acres

Last Sale Tax Bill Prior Sale Owner Records
$565,000Apr 2020 $7,3872026 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

241 River St

3 bd · 2.5 ba · 2,846 sqft · built 1985 · 1.18 acres

Last Sale Tax Bill Prior Sale Owner Records
$400,000Apr 2022 $10,5482026 Amount on Record Aug 2004 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Oct 2026

245 River St

3 bd · 2.5 ba · 1,901 sqft · built 2000 · 0.542 acres

Last Sale Tax Bill Prior Sale Owner Records
$348,000Jun 2013 $7,4772025 2 Owners on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

264 River St

4 bd · 2.5 ba · 1,615 sqft · built 1987 · 0.289 acres

Last Sale Tax Bill Prior Sale Owner Records
$560,000Apr 2022 $6,2592026 Amount on Record Apr 1994 Owner on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

270 River St

3 bd · 2 ba · 1,926 sqft · built 2002 · 0.675 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,9622025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

271 River St

3 bd · 1.5 ba · 1,888 sqft · built 1992 · 0.851 acres

Last Sale Tax Bill Prior Sale Owner Records
$173,500Nov 1992 $7,6142025 Amount on Record Jul 1992 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

273 River St

4 bd · 1.5 ba · 2,761 sqft · built 1965 · 1.2 acres

Last Sale Tax Bill Prior Sale Owner Records
$449,900Aug 2015 $9,1372026 Amount on Record Oct 1988 Owner on Record AssessorUpdated Oct 2026

275 River St

3 bd · 1.5 ba · 1,890 sqft · built 1965 · 0.349 acres

Last Sale Tax Bill Prior Sale Owner Records
$428,000Jun 2003 $6,0772025 Owner on Record Owner Occupied AssessorUpdated Jul 2026

279 River St

5 bd · 2 ba · 2,949 sqft · built 1964 · 0.351 acres

Last Sale Tax Bill Prior Sale Owner Records
$550,000Oct 2021 $7,0972026 Amount on Record Aug 2018 2 Owners on Record Owner Occupied Assessor + 2 DocumentsUpdated Oct 2026

280 River St

4 bd · 2.5 ba · 2,762 sqft · built 2011 · 0.582 acres

Last Sale Tax Bill Prior Sale Owner Records
$474,900Apr 2012 $10,2642025 2 Owners on Record Owner Occupied AssessorUpdated Jul 2026

283 River St

3 bd · 1.5 ba · 1,650 sqft · built 1958 · 0.427 acres

Last Sale Tax Bill Prior Sale Owner Records
$6,6042025 2 Owners on Record Owner Occupied AssessorUpdated Apr 2026

286 River St

3 bd · 2.5 ba · 2,158 sqft · built 1992 · 1.48 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2011 $8,1892026 Amount on Record May 1991 Owner on Record AssessorUpdated Oct 2026

288 River St

4 bd · 2.5 ba · 2,868 sqft · built 2023 · 1.73 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,190,000Jun 2024 $12,0952025 Amount on Record Dec 2022 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

290 River St

3 bd · 3.5 ba · 2,459 sqft · built 1961 · 0.688 acres

Last Sale Tax Bill Prior Sale Owner Records
$760,000Mar 2024 $7,1812025 —Feb 2014 2 Owners on Record Owner Occupied Assessor + 1 DocumentUpdated Sep 2026

294 River St

3 bd · 2.5 ba · 2,500 sqft · built 2013 · 0.99 acres

Last Sale Tax Bill Prior Sale Owner Records
$875,000Apr 2022 $10,7812026 Amount on Record May 2017 2 Owners on Record Owner Occupied Assessor + 4 DocumentsUpdated Oct 2026

298 River St

3 ba · 2,827 sqft · built 2024 · 1.14 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,250,000Aug 2026 $11,0052026 2 Owners on Record AssessorUpdated Oct 2026

310 River St

2 bd · 1.5 ba · 3,696 sqft · built 1970 · 1.63 acres

Last Sale Tax Bill Prior Sale Owner Records
$565,000Feb 2020 Amount on Record Oct 2019 Owner on Record Assessor + 7 DocumentsUpdated Oct 2026

314 River St

2 bd · 1.5 ba · 1,499 sqft · built 1960 · 0.316 acres

Last Sale Tax Bill Prior Sale Owner Records
—Nov 2006 $5,4012025 —Sep 2004 Owner on Record AssessorUpdated Jul 2026

Property Records in Nearby Streets