Spacious 4bd/2.5 ba home with panoramic views of Castro Valley and Hills. Oversized Trex deck on the main level and off lower level bedroom. Master suite with walk-in closet and updated bath. Close to shops, highways, and BART.
Single-familyProperty Type
1977Year Built
6,861 sq ftLot Size
$523Est. Price/Sq.Ft.
2 car garageParking
Listed by Kenneth Er•DRE #01942269• Keller Williams Tri-Valley
Bought with Ej Simpson•DRE #00671950• J. Rockcliff Realtors Inc
bridgeMLS, Bay East AOR, or Contra Costa AOR #40661227
Jul 1, 2014
Sold
$658,000
$262/sq ft
Jun 27, 2014
Pending
—
Jun 21, 2014
Pending
—
Jun 14, 2014
Pending
—
Jun 10, 2014
Listed
$629,950
$250/sq ft
Public Records
Sep 20, 2011
Sold
$450,000
$179/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40537993
Sep 21, 2011
Sold
$449,900
$179/sq ft
Sep 1, 2011
Pending
—
Aug 15, 2011
Pending
—
Aug 9, 2011
Listed
$449,900
$179/sq ft
+10
Absolutely breathtaking views of Castro Valley & the surrounding hillside! 1st time on the market - many upgrades w/ brand new carpet & paint. Newer kitchen appliances, central heat, A/C & dual pane windows & sliders. Dual trex decks w/ views! Move in & enjoy! Priced to sell!!!
Year
Property tax
Land + Additions
Assessment*
2025
$3,708 (+2.8%)
$117,393 + $126,144
$243,537
2024
$3,607 (+2.3%)
$117,393 + $126,144
$243,537
2023
$3,524 (+2.7%)
$115,092 + $123,671
$238,763
2022
$3,431 (+1.5%)
$110,623 + $118,869
$229,492
2021
$3,382 (+1.5%)
$110,623 + $118,869
$229,492
2020
$3,331 (−0.6%)
$108,455 + $116,540
$224,995
2019
$3,350 (+6.1%)
$107,343 + $115,345
$222,688
2018
$3,157 (+2.7%)
$105,239 + $113,084
$218,323
2017
$3,075 (+3.4%)
$101,153 + $108,694
$209,847
2016
$2,973 (+3.1%)
$101,153 + $108,694
$209,847
2015
$2,883 (−49.0%)
$99,170 + $106,563
$205,733
2014
$5,655 (+1.2%)
$138,294 + $322,686
$460,980
2013
$5,591 (+2.1%)
$138,294 + $322,686
$460,980
2012
$5,477 (−3.3%)
$137,669 + $321,228
$458,897
2011
$5,664 (+155.1%)
$134,970 + $314,930
$449,900
2010
$2,220 (−0.9%)
$139,500 + $325,500
$465,000
2009
$2,240 (+5.2%)
$36,324 + $127,397
$163,721
2008
$2,129
$36,410 + $127,701
$164,111
Tax history for 21670 Shadyspring Rd
Year
Property tax
Land + Additions
Assessment*
2025
$3,708 (+2.8%)
$117,393 + $126,144
$243,537
2024
$3,607 (+2.3%)
$117,393 + $126,144
$243,537
2023
$3,524 (+2.7%)
$115,092 + $123,671
$238,763
2022
$3,431 (+1.5%)
$110,623 + $118,869
$229,492
2021
$3,382 (+1.5%)
$110,623 + $118,869
$229,492
2020
$3,331 (−0.6%)
$108,455 + $116,540
$224,995
2019
$3,350 (+6.1%)
$107,343 + $115,345
$222,688
2018
$3,157 (+2.7%)
$105,239 + $113,084
$218,323
2017
$3,075 (+3.4%)
$101,153 + $108,694
$209,847
2016
$2,973 (+3.1%)
$101,153 + $108,694
$209,847
2015
$2,883 (−49.0%)
$99,170 + $106,563
$205,733
2014
$5,655 (+1.2%)
$138,294 + $322,686
$460,980
2013
$5,591 (+2.1%)
$138,294 + $322,686
$460,980
2012
$5,477 (−3.3%)
$137,669 + $321,228
$458,897
2011
$5,664 (+155.1%)
$134,970 + $314,930
$449,900
2010
$2,220 (−0.9%)
$139,500 + $325,500
$465,000
2009
$2,240 (+5.2%)
$36,324 + $127,397
$163,721
2008
$2,129
$36,410 + $127,701
$164,111
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
Public record
Zoning
Permits
Beds
4
Baths
2
Stories
1
Lot width
—
Lot depth
—
Lot size
6,861 Sq. Ft.
Year renovated
1978
Sq. Ft.
2,516
Year built
1977
Style
Single Family Residential
County
Alameda County
APN
415 020001400
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Jul 27, 2026.
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
Dec 30, 2024 • Final
Building
Install a roof-mounted solar photovoltaic system on a residential building.
Battery
Electrical
Solar
Dec 19, 2016 • Final
Building
Install a roof-mounted photovoltaic system.
Electrical
Solar
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
Parking
Parking Information
Has Attached Garage
Garage Spaces: 2
Covered Spaces: 2
Parking Features: Attached, Garage Door Opener
Interior
Bathroom Information
# of Bathrooms Total: 3
# of Bathrooms Full: 2
# of Bathrooms Partial: 1
Other Bathrooms Included Features: Shower Over Tub, Solid Surface
Primary Bathroom Included Features: Shower Over Tub, Tile, Updated Baths
Interior Features
Interior Features: Storage, Tile Counters
Appliances: Dishwasher, Double Oven, Electric Range, Refrigerator, Dryer, Washer, Gas Water Heater
Laundry Features: 220 Volt Outlet, Dryer, Gas Dryer Hookup, Laundry Room, Washer
Street Level Features: No Steps to Entry, Main Entry
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Fairview Elementary School
Public K-6 • Assigned • 1.7mi
2/10
Bret Harte Middle School
Public 7-8 • Assigned • 1.1mi
4/10
Hayward High School
Public 9-12 • Assigned • 1.3mi
5/10
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...
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2014. This data may not match public records. Learn more.