17847 Redwood Rd is a 2,349 square foot house on a 5,950 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on October 17, 1997 for $120,000. Based on Redfin's Castro Valley data, we estimate the home's value is $1,371,773.
Single-familyProperty Type
1935Year Built
5,950 sq ftLot Size
$584Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$1,371,773
$1.3M since sold in October 1997$13K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.6% lower than the average sale price ($1.45M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #11198419
Sep 16, 2003
Listing Removed
—
Public Records
Oct 17, 1997
Sold
$120,000
$51/sq ft
Public Records
Nov 1, 1982
Sold
$20,000
$9/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$5,317 (+2.4%)
$76,640 + $300,288
$376,928
2024
$5,191 (+1.9%)
$76,640 + $300,288
$376,928
2023
$5,096 (+2.2%)
$75,137 + $294,401
$369,538
2022
$4,988 (+2.7%)
$72,220 + $282,970
$355,190
2021
$4,858 (+2.4%)
$72,220 + $282,970
$355,190
2020
$4,745 (−1.7%)
$70,804 + $277,422
$348,226
2019
$4,826 (+2.9%)
$70,078 + $274,578
$344,656
2018
$4,689 (+2.7%)
$68,704 + $269,195
$337,899
2017
$4,565 (+5.1%)
$66,037 + $258,744
$324,781
2016
$4,344 (+7.0%)
$66,037 + $258,744
$324,781
2015
$4,061 (+1.5%)
$64,742 + $253,672
$318,414
2014
$4,000 (+1.1%)
$62,521 + $244,970
$307,491
2013
$3,958 (+2.2%)
$62,521 + $244,970
$307,491
2012
$3,874 (+1.4%)
$62,239 + $243,864
$306,103
2011
$3,822 (+0.7%)
$61,019 + $239,083
$300,102
2010
$3,794 (−0.3%)
$59,822 + $234,395
$294,217
2009
$3,804 (+3.8%)
$59,376 + $232,645
$292,021
2008
$3,667
$59,517 + $233,199
$292,716
Tax history for 17847 Redwood Rd
Year
Property tax
Land + Additions
Assessment*
2025
$5,317 (+2.4%)
$76,640 + $300,288
$376,928
2024
$5,191 (+1.9%)
$76,640 + $300,288
$376,928
2023
$5,096 (+2.2%)
$75,137 + $294,401
$369,538
2022
$4,988 (+2.7%)
$72,220 + $282,970
$355,190
2021
$4,858 (+2.4%)
$72,220 + $282,970
$355,190
2020
$4,745 (−1.7%)
$70,804 + $277,422
$348,226
2019
$4,826 (+2.9%)
$70,078 + $274,578
$344,656
2018
$4,689 (+2.7%)
$68,704 + $269,195
$337,899
2017
$4,565 (+5.1%)
$66,037 + $258,744
$324,781
2016
$4,344 (+7.0%)
$66,037 + $258,744
$324,781
2015
$4,061 (+1.5%)
$64,742 + $253,672
$318,414
2014
$4,000 (+1.1%)
$62,521 + $244,970
$307,491
2013
$3,958 (+2.2%)
$62,521 + $244,970
$307,491
2012
$3,874 (+1.4%)
$62,239 + $243,864
$306,103
2011
$3,822 (+0.7%)
$61,019 + $239,083
$300,102
2010
$3,794 (−0.3%)
$59,822 + $234,395
$294,217
2009
$3,804 (+3.8%)
$59,376 + $232,645
$292,021
2008
$3,667
$59,517 + $233,199
$292,716
*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
Oct 23, 2025 • Final
Building
Install a roof-mounted solar photovoltaic system and an energy storage system with batteries. Install a backup gateway and new electrical circuits.
Battery
Electrical
Solar
Jun 5, 2006 • Final
Building
Construct a new addition and a balcony on a residential building.
Addition
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 Fuel Type: Electric
Heating Type: Wall Furnace
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 9
Exterior
Exterior Information
Foundation Type: Raised W/Crawlspace
Building Style Type: L-Shape
Construction Type: Wood
Building Construction Quality: Good
Exterior Wall: Stucco
Property Information
Subdivision Name: REDWOOD ROAD
Living Sq. Ft: 2,349
Building Sq. Ft: 2,349
# of Units: 1
# of Stories: 1.5
Parking & Garage Information
# of Parking Spaces: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,950
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 0.1366
Zoning Code: R1
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: 4
Baths: 3.0
Sq. Ft.: 2,349
Stories: 1.5
Lot Size: 5,950 square feet
Style: Single Family Residential
Year Built: 1935
Year Renovated: 1990
County: Alameda County
APN: 084D119604802
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Proctor Elementary School
Public K-5 • Assigned • 0.1mi
9/10
Creekside Middle School
Public 6-8 • Assigned • 1.4mi
10/10
Castro Valley High School
Public 9-12 • Assigned • 0.7mi
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...