18717 Reamer Rd is a 2,750 square foot house on a 10,120 square foot lot with 3 bedrooms and 3 bathrooms. Based on Redfin's Castro Valley data, we estimate the home's value is $1,462,055.
Single-familyProperty Type
1984Year Built
10,120 sq ftLot Size
$532Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,462,055
$16K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.2% lower than the average sale price ($1.46M) of 5 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
$5,294 (+2.5%)
$128,061 + $253,898
$381,959
2024
$5,167 (+1.9%)
$128,061 + $253,898
$381,959
2023
$5,070 (+2.2%)
$125,550 + $248,921
$374,471
2022
$4,961 (+2.7%)
$120,675 + $239,256
$359,931
2021
$4,830 (+2.4%)
$120,675 + $239,256
$359,931
2020
$4,717 (−1.6%)
$118,310 + $234,565
$352,875
2019
$4,796 (+3.0%)
$117,097 + $232,160
$349,257
2018
$4,658 (+2.7%)
$114,802 + $227,608
$342,410
2017
$4,533 (+5.1%)
$110,344 + $218,771
$329,115
2016
$4,312 (+7.0%)
$110,344 + $218,771
$329,115
2015
$4,030 (+1.6%)
$108,181 + $214,482
$322,663
2014
$3,967 (+1.1%)
$104,469 + $207,123
$311,592
2013
$3,925 (+2.2%)
$104,469 + $207,123
$311,592
2012
$3,841 (+1.4%)
$103,998 + $206,188
$310,186
2011
$3,787 (+0.8%)
$101,959 + $202,146
$304,105
2010
$3,759 (−0.3%)
$99,960 + $198,183
$298,143
2009
$3,769 (+3.8%)
$99,213 + $196,703
$295,916
2008
$3,631
$99,448 + $197,171
$296,619
Tax history for 18717 Reamer Rd
Year
Property tax
Land + Additions
Assessment*
2025
$5,294 (+2.5%)
$128,061 + $253,898
$381,959
2024
$5,167 (+1.9%)
$128,061 + $253,898
$381,959
2023
$5,070 (+2.2%)
$125,550 + $248,921
$374,471
2022
$4,961 (+2.7%)
$120,675 + $239,256
$359,931
2021
$4,830 (+2.4%)
$120,675 + $239,256
$359,931
2020
$4,717 (−1.6%)
$118,310 + $234,565
$352,875
2019
$4,796 (+3.0%)
$117,097 + $232,160
$349,257
2018
$4,658 (+2.7%)
$114,802 + $227,608
$342,410
2017
$4,533 (+5.1%)
$110,344 + $218,771
$329,115
2016
$4,312 (+7.0%)
$110,344 + $218,771
$329,115
2015
$4,030 (+1.6%)
$108,181 + $214,482
$322,663
2014
$3,967 (+1.1%)
$104,469 + $207,123
$311,592
2013
$3,925 (+2.2%)
$104,469 + $207,123
$311,592
2012
$3,841 (+1.4%)
$103,998 + $206,188
$310,186
2011
$3,787 (+0.8%)
$101,959 + $202,146
$304,105
2010
$3,759 (−0.3%)
$99,960 + $198,183
$298,143
2009
$3,769 (+3.8%)
$99,213 + $196,703
$295,916
2008
$3,631
$99,448 + $197,171
$296,619
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning and permits
Zoning
Permits
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
Nov 6, 2019 • Final
Building
Remove and replace an existing furnace and air conditioning unit in the same location.
HVAC
Oct 1, 2012 • Final
Building
Tear off existing roof tile and replace sheathing. Install new felt and a torch down roofing system, then reinstall the existing tile and gutters.
Roofing
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Heating & Cooling
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 7
Exterior
Exterior Information
Physical Condition: Good
Foundation Type: Slab
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Average
Exterior Wall: Stucco
Building Type: Detached
View Information
View: Good
Property Information
Subdivision Name: PARCEL MAP 3379
Living Sq. Ft: 2,750
Building Sq. Ft: 2,750
# of Stories: 1.5
Parking & Garage Information
# of Parking Spaces: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,120
Legal Lot Number: A
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.2323
Zoning Code: R-1
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 2,750
Stories: 1.5
Lot Size: 10,120 square feet
Style: Single Family Residential
Year Built: 1984
Year Renovated: 1985
County: Alameda County
APN: 084D115503200
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Chabot Elementary School
Public K-5 • Assigned • 0.5mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 1.9mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.9mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
Castro Valley's late-summer market shows a clear split. While median prices hold near $1.2M, increased inventory gives buyers leverage on older properties. However, immaculate homes still go pending in under 15 days. A strong, clean offer is key!
Strong buyer demand keeps the Castro Valley market moving incredibly fast. With homes frequently selling above their $1.2 million median price, decisive action is essential. To win here, buyers need to submit competitive offers quickly and minimize...