Sioux Ave, Waltham, MA Property Records

Middlesex County and Waltham City property records for 9 addresses on Sioux Ave, Waltham, MA · Last verified July 2026

Sioux Ave Highlights

Properties 9
Median Sale Price $202,000
Deeds and Mortgages on File 6
Median Price per Sqft $162
Owner Occupied 89%
Median Annual Tax Bill $5,382
Median Year Built 1960
Median Ownership Tenure 26 years

Properties on Sioux Ave

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

8 Sioux Ave

3 bd · 1.5 ba · 912 sqft · built 1960 · 0.103 acres

Last Sale Tax Bill Prior Sale Owner Records
$166,500Jun 1998 $5,1342025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

10 Sioux Ave

3 bd · 1 ba · 1,414 sqft · built 1960 · 0.087 acres

Last Sale Tax Bill Prior Sale Owner Records
$229,500Dec 2000 $5,1992025 1 Name on Record AssessorUpdated Jul 2026

11 Sioux Ave

3 bd · 1.5 ba · 1,296 sqft · built 1975 · 0.053 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000Dec 1994 $5,6852025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

14 Sioux Ave

2 bd · 1.5 ba · 1,824 sqft · built 1960 · 0.087 acres

Last Sale Tax Bill Prior Sale Owner Records
$480,000May 2019 $5,3822025 Amount on Record Sep 2004 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

17 Sioux Ave

3 bd · 2.5 ba · 2,016 sqft · built 2006 · 0.065 acres

Last Sale Tax Bill Prior Sale Owner Records
$483,000Apr 2007 $7,3452025 Amount on Record Mar 2007 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

18 Sioux Ave

3 bd · 1.5 ba · 1,550 sqft · built 1960 · 0.087 acres

Last Sale Tax Bill Prior Sale Owner Records
$175,000Aug 1998 $5,1842025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

19 Sioux Ave

3 bd · 2.5 ba · 2,160 sqft · built 2006 · 0.065 acres

Last Sale Tax Bill Prior Sale Owner Records
$7,4462025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

20 Sioux Ave

3 bd · 1 ba · 1,824 sqft · built 1960 · 0.087 acres

Last Sale Tax Bill Prior Sale Owner Records
—Oct 2016 $5,3542025 —Oct 2016 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

26 Sioux Ave

4 bd · 3 ba · 1,872 sqft · built 1987 · 0.121 acres

Last Sale Tax Bill Prior Sale Owner Records
$202,000Dec 1987 $7,2092025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

Wildfire Risk on Sioux Ave

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond ember reach

Property Records in Nearby Streets