Alta Ave, San Mateo, CA Property Records

San Mateo County property records for 12 addresses on Alta Ave, San Mateo, CA · Last verified August 2026

Alta Ave Highlights

Properties 12
Median Sale Price $1,500,000
Deeds and Mortgages on File 17
Median Price per Sqft $714
Owner Occupied 83%
Median Annual Tax Bill $16,106
Median Year Built 1951
Median Ownership Tenure 9 years

Properties on Alta Ave

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

503 Alta Ave

3 bd · 2 ba · 1,730 sqft · 0.16 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,500,000Nov 2021 $15,4672025 —Sep 2020 2 Names on Record Assessor + 3 DocumentsUpdated Jul 2026

504 Alta Ave

3 bd · 1 ba · 1,240 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,560,000Sep 2022 $19,5042025 Amount on Record Jun 2018 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

509 Alta Ave

4 bd · 2 ba · 1,799 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$14,7882025 —Nov 2010 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

510 Alta Ave

3 bd · 2 ba · 1,960 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$1,400,000Jun 2016 $20,9402025 Amount on Record Dec 2002 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

603 Alta Ave

2 bd · 1 ba · 990 sqft · 0.114 acres · Garage · Pool

Last Sale Tax Bill Prior Sale Owner Records
$17,3932025 —Sep 2023 2 Names on Record Assessor + 2 DocumentsUpdated Aug 2026

604 Alta Ave

3 bd · 1 ba · 1,170 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$3,1872025 1 Name on Record Owner Occupied AssessorUpdated Jul 2026

607 Alta Ave

3 bd · 2.5 ba · 2,190 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$6,2832025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

608 Alta Ave

4 bd · 2 ba · 2,070 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$7,3202025 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

611 Alta Ave

3 bd · 2 ba · 1,850 sqft · 0.115 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,263,000Apr 2025 $16,3432025 Amount on Record Jun 2013 2 Names on Record Owner Occupied AssessorUpdated Jul 2026

612 Alta Ave

2 bd · 2 ba · 1,790 sqft · 0.114 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$890,000Dec 2010 $16,1062025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

615 Alta Ave

3 bd · 2 ba · 1,650 sqft · 0.115 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$360,000May 1991 $10,7402025 2 Names on Record Owner Occupied Assessor + 1 DocumentUpdated Jul 2026

621 Alta Ave

5 bd · 3.5 ba · 3,320 sqft · 0.23 acres · Garage

Last Sale Tax Bill Prior Sale Owner Records
$2,150,000Nov 2017 $31,9642025 —Nov 2017 2 Names on Record Owner Occupied Assessor + 5 DocumentsUpdated Jul 2026

Wildfire Risk on Alta Ave

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

Wildfire Risk to HomesLow
this street's cells rank at the 6th percentile of exposed land nationally · 4th in California
Wildfire LikelihoodLow — less than 1 in 10,000 per year
ExposureDirect
1 of 2 cells directly exposed · 1 adjoin burnable vegetation

Property Records in Nearby Streets