19085 Santa Maria Ave is a 1,890 square foot house on a 0.88 acre lot with 4 bedrooms and 3 bathrooms. Based on Redfin's Castro Valley data, we estimate the home's value is $1,359,450.
Single-familyProperty Type
1957Year Built
0.88 acresLot Size
$719Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,359,450
$8,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3% higher than the average sale price ($1.32M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$3,010 (+3.4%)
$54,985 + $65,614
$120,599
2024
$2,911 (+3.4%)
$53,907 + $64,327
$118,234
2023
$2,815 (+3.5%)
$52,850 + $63,066
$115,916
2022
$2,719 (+3.3%)
$50,798 + $60,617
$111,415
2021
$2,633 (+2.7%)
$50,798 + $60,617
$111,415
2020
$2,564 (−0.9%)
$49,802 + $59,429
$109,231
2019
$2,587 (+3.2%)
$49,291 + $58,819
$108,110
2018
$2,507 (+3.0%)
$48,325 + $57,666
$105,991
2017
$2,433 (+4.9%)
$46,449 + $55,427
$101,876
2016
$2,320 (+7.3%)
$46,449 + $55,427
$101,876
2015
$2,163 (+4.0%)
$45,538 + $54,341
$99,879
2014
$2,080 (+3.6%)
$43,975 + $52,476
$96,451
2013
$2,009 (+3.3%)
$43,975 + $52,476
$96,451
2012
$1,945 (+1.7%)
$43,777 + $52,239
$96,016
2011
$1,913 (+1.2%)
$42,919 + $51,215
$94,134
2010
$1,891 (+1.3%)
$42,077 + $50,211
$92,288
2009
$1,867 (+5.1%)
$41,763 + $49,835
$91,598
2008
$1,776
$41,862 + $49,954
$91,816
Tax history for 19085 Santa Maria Ave
Year
Property tax
Land + Additions
Assessment*
2025
$3,010 (+3.4%)
$54,985 + $65,614
$120,599
2024
$2,911 (+3.4%)
$53,907 + $64,327
$118,234
2023
$2,815 (+3.5%)
$52,850 + $63,066
$115,916
2022
$2,719 (+3.3%)
$50,798 + $60,617
$111,415
2021
$2,633 (+2.7%)
$50,798 + $60,617
$111,415
2020
$2,564 (−0.9%)
$49,802 + $59,429
$109,231
2019
$2,587 (+3.2%)
$49,291 + $58,819
$108,110
2018
$2,507 (+3.0%)
$48,325 + $57,666
$105,991
2017
$2,433 (+4.9%)
$46,449 + $55,427
$101,876
2016
$2,320 (+7.3%)
$46,449 + $55,427
$101,876
2015
$2,163 (+4.0%)
$45,538 + $54,341
$99,879
2014
$2,080 (+3.6%)
$43,975 + $52,476
$96,451
2013
$2,009 (+3.3%)
$43,975 + $52,476
$96,451
2012
$1,945 (+1.7%)
$43,777 + $52,239
$96,016
2011
$1,913 (+1.2%)
$42,919 + $51,215
$94,134
2010
$1,891 (+1.3%)
$42,077 + $50,211
$92,288
2009
$1,867 (+5.1%)
$41,763 + $49,835
$91,598
2008
$1,776
$41,862 + $49,954
$91,816
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
R1
Single-Family Residence Districts
Single-family residence districts, hereinafter designated as R-1 districts, are established to provide for and protect established neighborhoods of one-family dwellings, and to provide space in suitable locations for additional development of this kind, together with appropriate community facilities and allowance for restricted interim cultivation of the soil compatible with such low-density residential development.
Permitted uses
Include but are not limited to:
Housing-Single unit
Agriculture-Cropland
Agriculture-Grove / orchard
Property details
Interior
Room Information
# of Rooms: 10
Exterior
Exterior Information
Construction Type: Wood
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,890
Building Sq. Ft: 1,890
# of Units: 1
# of Stories: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 38,232
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.8777
County Use Description: TWO, THREE OR FOUR SINGLE FAMI
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 1,890
Stories: 1.0
Lot Size: 0.88 acres
Style: Single Family Residential
Year Built: 1957
Year Renovated: 1957
County: Alameda County
APN: 084B056800502
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
Castro Valley Elementary School
Public K-5 • Assigned • 0.6mi
6/10
Creekside Middle School
Public 6-8 • Assigned • 1.2mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.2mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Castro Valley remains a highly competitive market. On average, homes are selling for 103.7% of their asking price, with nearly 60% of properties closing above list price.
Castro Valley's fall market offers great buyer leverage. While median prices hold steady around $1.2M, increased inventory gives you room to negotiate on homes needing updates. Turnkey properties still move fast in under 15 days, so act quickly with...