Sigma Rd, Dallas, TX Property Records

Dallas County property records for 26 addresses on Sigma Rd, Dallas, TX · Last verified August 2026

Sigma Rd Highlights

Properties 26
Median Sale Price $1,837,500
Deeds and Mortgages on File 27
Median Price per Sqft $189
Owner Occupied 38%
Median Annual Tax Bill $21,424
Median Year Built 1974
Median Ownership Tenure 9 years

Properties on Sigma Rd

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

4000 Sigma Rd

585,173 sqft · Built 2007 · 7.65 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jun 2005 $1,326,1952025 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

4001 Sigma Rd

3 bd · 3 ba · 2,196 sqft · 0.055 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$299,900Feb 2014 $9,8672025 Amount on Record Sep 2012 1 Name on Record AssessorUpdated Aug 2026

4005 Sigma Rd

3 bd · 2.5 ba · 2,440 sqft · 0.05 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$344,300Jun 2012 $10,2932025 1 Name on Record AssessorUpdated Aug 2026

4009 Sigma Rd

3 bd · 3 ba · 2,213 sqft · 0.05 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$250,000Jun 2012 $7,3582025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

4013 Sigma Rd

3 bd · 2.5 ba · 2,105 sqft · 0.056 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2026 $9,9272025 Amount on Record Mar 2024 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

4017 Sigma Rd

3 bd · 3.5 ba · 2,504 sqft · 0.05 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$343,600Oct 2012 $8,2302025 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

4021 Sigma Rd

3 bd · 2.5 ba · 2,105 sqft · 0.05 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$628,425Jul 2024 $9,8092025 Amount on Record Jan 2012 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4025 Sigma Rd

3 bd · 2.5 ba · 1,984 sqft · 0.05 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$375,000Jul 2017 $6,9432025 Amount on Record Oct 2012 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

4029 Sigma Rd

3 bd · 3.5 ba · 2,504 sqft · 0.056 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2019 $10,6952025 Amount on Record Jun 2017 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Aug 2026

4101 Sigma Rd

381,727 sqft · Built 1981 · 49.5 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2001 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

4205 Sigma Rd

7,000 sqft · Built 1972 · 0.641 acres

Last Sale Tax Bill Prior Sale Owner Records
$850,000Aug 2011 $8,8242025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

4219 Sigma Rd

7,600 sqft · Built 1971 · 1.64 acres

Last Sale Tax Bill Prior Sale Owner Records
—Dec 2021 $21,4242025 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

4230 Sigma Rd

21,548 sqft · Built 1971 · 1.42 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jul 2017 $38,7762025 Amount on Record Jan 1998 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

4231 Sigma Rd

11,994 sqft · Built 1971 · 0.869 acres

Last Sale Tax Bill Prior Sale Owner Records
$940,300Apr 2013 $27,1482025 Amount on Record Mar 2012 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

4241 Sigma Rd

12,228 sqft · Built 1971 · 0.798 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,600,000Mar 2016 $21,3042025 Amount on Record Feb 2012 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

4300 Sigma Rd

18,380 sqft · Built 1970 · 1.1 acres

Last Sale Tax Bill Prior Sale Owner Records
$562,500Aug 1996 $22,3712025 1 Name on Record Assessor + 3 DocumentsUpdated Aug 2026

4343 Sigma Rd

65,255 sqft · Built 1972 · 3.9 acres

Last Sale Tax Bill Prior Sale Owner Records
—Aug 2022 $105,4322025 2 Names on Record Assessor + 1 DocumentUpdated Aug 2026

4350 Sigma Rd

16,940 sqft · Built 1974 · 1.26 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2017 $23,0082025 Amount on Record Oct 1997 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

4440 Sigma Rd

10,132 sqft · Built 1971 · 0.81 acres

Last Sale Tax Bill Prior Sale Owner Records
$3,305,667Jul 2025 $23,1192025 —Jun 2025 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

4441 Sigma Rd

30,625 sqft · Built 1973 · 2.11 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 2016 $49,4802025 1 Name on Record AssessorUpdated Aug 2026

4450 Sigma Rd, #100

13,720 sqft · Built 1973 · 0.975 acres

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2021 $18,9562025 Amount on Record Apr 2009 1 Name on Record Assessor + 6 DocumentsUpdated Aug 2026

4455 Sigma Rd

19,097 sqft · Built 1975 · 2.03 acres

Last Sale Tax Bill Prior Sale Owner Records
—Apr 2019 $36,2412025 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

4464 Sigma Rd

13,496 sqft · Built 1974 · 0.954 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,837,500Jul 2017 $22,0842025 Amount on Record Jun 2016 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

4475 Sigma Rd

0.473 acres

Last Sale Tax Bill Prior Sale Owner Records
—Jan 2014 $2072025 1 Name on Record AssessorUpdated Aug 2026

4500 Sigma Rd

15,865 sqft · Built 1972 · 0.727 acres

Last Sale Tax Bill Prior Sale Owner Records
$2,660,000Jan 2024 $38,9422025 Amount on Record May 1994 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

4519 Sigma Rd

19,620 sqft · Built 1971 · 1.55 acres

Last Sale Tax Bill Prior Sale Owner Records
$4,428,900Jun 2026 $45,5072025 —Aug 2005 1 Name on Record Assessor + 1 DocumentUpdated Aug 2026

Property Records in Nearby Streets