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Keystone St, Waterloo, IA Property Records

Black Hawk County property records for 28 addresses on Keystone St, Waterloo, IA · Last verified August 2026

Keystone St Highlights

Properties 28
Median Sale Price $115,000
Deeds and Mortgages on File 33
Median Price per Sqft $138
Owner Occupied 68%
Median Annual Tax Bill $1,512
Median Year Built 1955
Median Ownership Tenure 13 years

Properties on Keystone St

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

503 Keystone St

3 bd · 1 ba · 808 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$119,500May 2013 $1,5282025 Amount on Record Nov 2011 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

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505 Keystone St

2 bd · 1.5 ba · 876 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$39,000Dec 1996 $1,1682025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

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507 Keystone St

3 bd · 1 ba · 812 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$462,000Feb 2026 $1,4222025 Amount on Record Dec 2023 1 Name on Record Assessor + 4 DocumentsUpdated Jun 2026

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509 Keystone St

3 bd · 1 ba · 876 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,5502025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

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601 Keystone St

2 bd · 1 ba · 812 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$24,000Jun 1993 $3682025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

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603 Keystone St

3 bd · 1 ba · 812 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$35,000Aug 1994 $1,4642025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

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605 Keystone St

3 bd · 1 ba · 920 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,5132025 1 Name on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

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607 Keystone St

3 bd · 1 ba · 920 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$127,000Dec 2022 $1,5902025 Amount on Record May 2022 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

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608 Keystone St

2 bd · 1 ba · 812 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$35,000Jul 1998 $1,1802025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

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609 Keystone St

4 bd · 1.5 ba · 920 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$150,000Apr 2025 $1,6462025 Amount on Record Nov 2024 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

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610 Keystone St

3 bd · 1.5 ba · 812 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
—Sep 2006 $5442025 —Sep 2006 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

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611 Keystone St

3 bd · 1 ba · 920 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$110,500Apr 2014 $1,7242025 Amount on Record Sep 2007 1 Name on Record Assessor + 3 DocumentsUpdated Jun 2026

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612 Keystone St

3 bd · 1 ba · 812 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$115,000Aug 2024 $1,6182025 Amount on Record Dec 2012 2 Names on Record Owner Occupied AssessorUpdated Aug 2026

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613 Keystone St

3 bd · 2.5 ba · 1,320 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,8562025 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jun 2026

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614 Keystone St

3 bd · 1 ba · 812 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$17,500Jun 1989 $9962025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

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615 Keystone St

3 bd · 1 ba · 920 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$41,000Nov 2017 $1,5122025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jun 2026

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616 Keystone St

3 bd · 1 ba · 812 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$8402025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Aug 2026

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617 Keystone St

3 bd · 1 ba · 920 sqft · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$70,000Apr 2022 $1,4922025 1 Name on Record Assessor + 1 DocumentUpdated Jun 2026

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618 Keystone St

3 bd · 1.5 ba · 812 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,1362025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

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619 Keystone St

3 bd · 1 ba · 920 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$51,000Jan 2015 $1,5902025 1 Name on Record Assessor + 1 DocumentUpdated Jul 2026

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620 Keystone St

3 bd · 1 ba · 812 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$28,000Jan 1997 $1,5082025 1 Name on Record AssessorUpdated Jun 2026

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621 Keystone St

3 bd · 1 ba · 920 sqft · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$36,500May 2006 $1,0762025 1 Name on Record AssessorUpdated Jun 2026

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622 Keystone St

3 bd · 1 ba · 812 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$30,000May 2006 $1,0662025 1 Name on Record AssessorUpdated Jun 2026

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623 Keystone St

3 bd · 1 ba · 920 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,1482025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

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624 Keystone St

3 bd · 2 ba · 1,008 sqft · 0.165 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,6742025 1 Name on Record Owner Occupied AssessorUpdated Jun 2026

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625 Keystone St

3 bd · 1 ba · 920 sqft · 0.165 acres

Last Sale Tax Bill Prior Sale Owner Records
$80,000Jul 2021 $1,6102025 Amount on Record Feb 2019 1 Name on Record Owner Occupied Assessor + 5 DocumentsUpdated Aug 2026

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626 Keystone St

3 bd · 1 ba · 920 sqft · 0.212 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,6442025 2 Names on Record Owner Occupied AssessorUpdated Jun 2026

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627 Keystone St

2 bd · 1 ba · 920 sqft · 0.179 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$58,000Jan 2006 $1,8242025 —Jan 2006 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Aug 2026

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Wildfire Risk on Keystone St

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

Wildfire RiskLow
this street's cells rank at the 4th percentile of exposed land nationally · 26th in Iowa
Wildfire LikelihoodLow — less than 1 in 10,000 per year
ExposureDirect
1 of 2 cells directly exposed · 2 adjoin burnable vegetation

Property Records in Nearby Streets