S Flagstone Ave, Ontario, CA Property Records

San Bernardino County property records for 8 addresses on S Flagstone Ave, Ontario, CA · Last verified July 2026

S Flagstone Ave Highlights

Properties 8
Median Sale Price $734,500
Deeds and Mortgages on File 20
Median Price per Sqft $214
Owner Occupied 100%
Median Annual Tax Bill $14,073
Median Year Built 2019
Median Ownership Tenure 6 years

Properties on S Flagstone Ave

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

4635 S Flagstone Ave

4 bd · 2.5 ba · 3,410 sqft · built 2019 · 0.126 acres

Last Sale Tax Bill Prior Sale Owner Records
$643,000Mar 2020 $12,8892025 Amount on Record Feb 2020 2 Names on Record Owner Occupied Assessor + 6 DocumentsUpdated Jul 2026

4645 S Flagstone Ave

3 bd · 2.5 ba · 3,124 sqft · built 2019 · 0.114 acres

Last Sale Tax Bill Prior Sale Owner Records
$747,500Jun 2020 $14,3832025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

4655 S Flagstone Ave

4 bd · 2.5 ba · 3,410 sqft · built 2019 · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$620,000Jan 2020 $9,2392025 —Jan 2020 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

4665 S Flagstone Ave

3 bd · 2.5 ba · 3,124 sqft · built 2019 · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$670,000Mar 2020 $13,0792025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

4675 S Flagstone Ave

4 bd · 2.5 ba · 3,596 sqft · built 2019 · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$749,000May 2020 $14,1722025 1 Name on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

4685 S Flagstone Ave

4 bd · 2.5 ba · 3,410 sqft · built 2019 · 0.123 acres

Last Sale Tax Bill Prior Sale Owner Records
$734,500Feb 2020 $14,0732025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

4695 S Flagstone Ave

4 bd · 2.5 ba · 3,596 sqft · built 2019 · 0.149 acres

Last Sale Tax Bill Prior Sale Owner Records
$1,050,000Sep 2023 $16,9602025 Amount on Record Jan 2020 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

4705 S Flagstone Ave

4 bd · 2.5 ba · 3,596 sqft · built 2019 · 0.155 acres

Last Sale Tax Bill Prior Sale Owner Records
$720,000Sep 2020 $13,8092025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

Wildfire Risk on S Flagstone 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