Sophisticated Mediterranean Retreat in Castro Valley. Recently updated with quartz countertops, new lighting, and two remodeled baths, this elegant 5-bedroom, 4.5-bath home offers nearly 5,000 sq. ft. of living space on a half-acre lot in the desirable Palomares neighborhood. Highlights include a grand entry, sun-filled living areas with three fireplaces, a gourmet kitchen, formal living and dining rooms, and multiple decks with sweeping hillside views. The spacious primary suite features its own fireplace, luxury bath, and private deck. The lower-level ADU provides flexible space for multi-generational living or guests. Outside, enjoy terraced gardens, fruit trees, and a private orchard feel—plus two basement storage rooms and an additional shed for all your storage needs. Turnkey and move-in ready—come see it today!
Single-familyProperty Type
1991Year Built
0.48 acresLot Size
$497Est. Price/Sq.Ft.
3 car garageParking
Listed by Peter Lai•DRE #01406444• Wah Hing Corp.
Bought with Michael Case•DRE #02116980• Realty ONE Group TODAY
bridgeMLS, Bay East AOR, or Contra Costa AOR #41115023
Dec 17, 2025
Sold
$2,200,000
$448/sq ft
Nov 1, 2025
Pending
—
Oct 17, 2025
Listed
$2,200,000
$448/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #41100032
Aug 20, 2025
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #40957824
Sep 3, 2021
Sold
$2,100,000
$428/sq ft
Aug 4, 2021
Pending
—
Jul 8, 2021
Listed
$2,150,000
$438/sq ft
Castro Valley Luxury Lifestyle at its best! This Mediterranean style home is 5 bedrooms and 4.5 baths with over 4,900 SQ. FT. This half acre property consists of exceptional construction and quality finishes with great indoor and outdoor flow. This half acre of terraced landscaping has a garden area, trees, lovely deck areas all around the back with views you will not want to miss. Perfect place for working, family, friends, in-law setup and so much more. By appointment only.
Public Records
Feb 20, 1992
Sold
$665,000
$135/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$27,084 (+2.2%)
$660,000 + $1,540,000
$2,200,000
2024
$26,513 (+1.4%)
$668,556 + $1,559,964
$2,228,520
2023
$26,140 (+1.8%)
$655,452 + $1,529,388
$2,184,840
2022
$25,682 (+84.9%)
$630,000 + $1,470,000
$2,100,000
2021
$13,888 (+2.3%)
$630,000 + $1,470,000
$2,100,000
2020
$13,573 (−1.9%)
$325,909 + $791,489
$1,117,398
2019
$13,832 (+2.9%)
$322,567 + $783,373
$1,105,940
2018
$13,442 (+2.7%)
$316,243 + $768,015
$1,084,258
2017
$13,091 (+5.1%)
$303,964 + $738,194
$1,042,158
2016
$12,457 (+7.0%)
$303,964 + $738,194
$1,042,158
2015
$11,642 (+1.0%)
$298,005 + $723,722
$1,021,727
2014
$11,528 (+0.6%)
$287,780 + $698,892
$986,672
2013
$11,464 (+2.0%)
$287,780 + $698,892
$986,672
2012
$11,245 (+1.3%)
$286,482 + $695,738
$982,220
2011
$11,096 (+0.7%)
$280,866 + $682,099
$962,965
2010
$11,023 (−0.6%)
$275,359 + $668,727
$944,086
2009
$11,085 (+2.9%)
$273,303 + $663,732
$937,035
2008
$10,777
$273,953 + $665,311
$939,264
Tax history for 20340 Hunters Knls
Year
Property tax
Land + Additions
Assessment*
2025
$27,084 (+2.2%)
$660,000 + $1,540,000
$2,200,000
2024
$26,513 (+1.4%)
$668,556 + $1,559,964
$2,228,520
2023
$26,140 (+1.8%)
$655,452 + $1,529,388
$2,184,840
2022
$25,682 (+84.9%)
$630,000 + $1,470,000
$2,100,000
2021
$13,888 (+2.3%)
$630,000 + $1,470,000
$2,100,000
2020
$13,573 (−1.9%)
$325,909 + $791,489
$1,117,398
2019
$13,832 (+2.9%)
$322,567 + $783,373
$1,105,940
2018
$13,442 (+2.7%)
$316,243 + $768,015
$1,084,258
2017
$13,091 (+5.1%)
$303,964 + $738,194
$1,042,158
2016
$12,457 (+7.0%)
$303,964 + $738,194
$1,042,158
2015
$11,642 (+1.0%)
$298,005 + $723,722
$1,021,727
2014
$11,528 (+0.6%)
$287,780 + $698,892
$986,672
2013
$11,464 (+2.0%)
$287,780 + $698,892
$986,672
2012
$11,245 (+1.3%)
$286,482 + $695,738
$982,220
2011
$11,096 (+0.7%)
$280,866 + $682,099
$962,965
2010
$11,023 (−0.6%)
$275,359 + $668,727
$944,086
2009
$11,085 (+2.9%)
$273,303 + $663,732
$937,035
2008
$10,777
$273,953 + $665,311
$939,264
*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
5
Baths
5
Stories
1
Lot width
—
Lot depth
—
Lot size
0.48 Acres
Year renovated
1991
Sq. Ft.
4,908
Year built
1991
Style
Single Family Residential
County
Alameda County
APN
085A000101200
Parking Spaces
—
Basement
—
Accessible
—
HOA Dues
—
Garage
—
Features
—
Last updated by owner on Sep 17, 2026.
PD
Planned Development District
Planned development districts, hereinafter designated as PD districts, are established to encourage the arrangement of a compatible variety of uses on suitable lands in such a manner that the resulting development will: be in accord with the policies of the General Plan of the county; provide efficient use of the land that includes preservation of significant open areas and natural and topographic landscape features with minimum alteration of natural land forms; provide an environment that will encourage the use of common open areas for neighborhood or community activities and other amenities; be compatible with and enhance the development of the general area; and create an attractive, efficient and safe environment.
Feb 15, 2013 • Final
Building
Install a solar photovoltaic system.
Electrical
Solar
Dec 30, 2009 • Final
Building
Replace existing decks and install new windows and doors in the lower level bedrooms and game room. Reframe the kitchen ceiling and replace fluorescent fixtures with new lighting. Replace the kitchen island, cooktop, and hood.
Electrical
Kitchen
Remodel
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.
Fireplace Features: Family Room, Living Room, Master Bedroom
Exterior
Building Information
Construction Materials: Stucco
Building Area Total: 4,908
Exterior Features
Patio And Porch Features: Deck
Exterior Features: Garden, Back Yard, Front Yard, Landscape Back, Landscape Front
Fencing: Fenced
Property Information
Living Area: 4908
Living Area Units: Square Feet
Property Type: Residential
Property Sub Type: Single Family Residence
Year Built: 1991
Lot Information
Lot Size Square Feet: 21114
Lot Size Area: 0.49
Lot Size Units: Acres
Lot Size Acres: 0.49
Lot Features: Back Yard, Front Yard
Utilities
Utility Information
Electric: Photovoltaics Seller Owned
Heating & Cooling
Has Heating
Heating: Zoned
Cooling: Central Air
Public facts
Beds: 5
Baths: 5.0
Sq. Ft.: 4,908
Stories: 1.0
Lot Size: 0.48 acres
Style: Single Family Residential
Year Built: 1991
Year Renovated: 1991
County: Alameda County
APN: 085A000101200
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
Jensen Ranch Elementary School
Public K-5 • Assigned • 0.3mi
10/10
Canyon Middle School
Public 6-8 • Assigned • 0.9mi
7/10
Castro Valley High School
Public 9-12 • Assigned • 2.2mi
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...
Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2025. This data may not match public records. Learn more.