18th St, Alta Loma, CA Property Records

San Bernardino County property records for 19 addresses on 18th St, Alta Loma, CA · Last verified August 2026

18th St Highlights

Properties 19
Median Sale Price $410,000
Deeds and Mortgages on File 27
Median Price per Sqft $301
Owner Occupied 89%
Median Annual Tax Bill $3,723
Median Year Built 1962
Median Ownership Tenure 21 years

Properties on 18th St

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

8419 18th St

3 bd · 2 ba · 1,248 sqft · built 1962 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$725,000Dec 2023 $8,1892025 Amount on Record Sep 2000 2 Names on Record Assessor + 3 DocumentsUpdated Jul 2026

8429 18th St

3 bd · 2 ba · 1,296 sqft · built 1962 · 0.17 acres

Last Sale Tax Bill Prior Sale Owner Records
$137,000Jul 1989 $2,8272025 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

8449 18th St

3 bd · 2 ba · 1,560 sqft · built 1962 · 0.172 acres

Last Sale Tax Bill Prior Sale Owner Records
$303,000Jun 2021 $7002025 —Aug 2009 1 Name on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

8459 18th St

3 bd · 2 ba · 1,296 sqft · built 1962 · 0.151 acres

Last Sale Tax Bill Prior Sale Owner Records
$130,000Aug 1993 $2,4082025 —Aug 1993 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

8479 18th St

4 bd · 2 ba · 1,362 sqft · built 1962 · 0.212 acres

Last Sale Tax Bill Prior Sale Owner Records
$410,000Aug 2014 $5,4752025 Amount on Record Apr 2014 1 Name on Record AssessorUpdated Jul 2026

8489 18th St

3 bd · 2 ba · 1,278 sqft · built 1962 · 0.135 acres

Last Sale Tax Bill Prior Sale Owner Records
$275,000Dec 2012 $3,7802025 Amount on Record Aug 2012 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

8511 18th St

3 bd · 2 ba · 1,572 sqft · built 1962 · 0.164 acres

Last Sale Tax Bill Prior Sale Owner Records
$223,000Jan 2003 $3,5302025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

8521 18th St

4 bd · 2 ba · 1,362 sqft · built 1962 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
—May 1998 $8122025 —May 1998 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

8531 18th St

4 bd · 2 ba · 1,628 sqft · built 1962 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
$239,909Jun 2003 $3,8002025 —Dec 2005 1 Name on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

8551 18th St

4 bd · 2 ba · 1,362 sqft · built 1962 · 0.164 acres

Last Sale Tax Bill Prior Sale Owner Records
$350,000Mar 2018 $5,3432025 —Jan 2005 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

8581 18th St

4 bd · 2 ba · 1,388 sqft · built 1962 · 0.164 acres

Last Sale Tax Bill Prior Sale Owner Records
$114,000Apr 1989 $7072025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

8591 18th St

4 bd · 2 ba · 1,362 sqft · built 1962 · 0.164 acres

Last Sale Tax Bill Prior Sale Owner Records
—Mar 1995 $6402025 —Jul 2015 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

8607 18th St

3 bd · 2 ba · 1,248 sqft · built 1962 · 0.164 acres

Last Sale Tax Bill Prior Sale Owner Records
$459,000Sep 2019 $5,5762025 Amount on Record May 2012 2 Names on Record Owner Occupied Assessor + 3 DocumentsUpdated Jul 2026

8617 18th St

4 bd · 2 ba · 1,362 sqft · built 1962 · 0.164 acres

Last Sale Tax Bill Prior Sale Owner Records
$259,000May 2009 $3,7232025 Amount on Record Dec 2008 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

8627 18th St

4 bd · 2 ba · 1,388 sqft · built 1962 · 0.164 acres

Last Sale Tax Bill Prior Sale Owner Records
$425,000Aug 2005 $6,4432025 —Aug 2005 1 Name on Record Owner Occupied AssessorUpdated Aug 2026

8630 18th St

3 bd · 2 ba · 1,361 sqft · built 1966 · 0.154 acres

Last Sale Tax Bill Prior Sale Owner Records
$377,500Oct 2004 $5,7662025 Amount on Record Mar 2002 2 Names on Record Owner Occupied Assessor + 2 DocumentsUpdated Jul 2026

8637 18th St

3 bd · 2 ba · 1,296 sqft · built 1962 · 0.164 acres

Last Sale Tax Bill Prior Sale Owner Records
$8982025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

8650 18th St

5 bd · 2 ba · 1,721 sqft · built 1966 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
$780,000Nov 2025 $6,7142025 Amount on Record Nov 2021 2 Names on Record Owner Occupied Assessor + 4 DocumentsUpdated Jul 2026

8660 18th St

3 bd · 2 ba · 1,721 sqft · built 1966 · 0.166 acres

Last Sale Tax Bill Prior Sale Owner Records
$180,000Aug 2000 $1,1682025 —Feb 2000 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

Wildfire Risk on 18th St

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