20200 Cypress Rnch is a 6,723 square foot house on a 10.15 acre lot. - it last sold on May 18, 1998 for $400,000. Based on Redfin's Castro Valley data, we estimate the home's value is $3,056,165.
Single-familyProperty Type
2000Year Built
10.15 acresLot Size
$455Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$3,056,165
$2.7M since sold in May 1998$9,000 since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 71.3% higher than the average sale price ($1.78M) of 5 comparable homes.
*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
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.
Aug 12, 2008 • Final
Building
Install a ground-mounted photovoltaic system.
Electrical
Solar
Mar 31, 2005 • Final
Building
Construct a second story addition to an existing single-family home. Add a new family room, bedroom, and bathroom in the existing basement area.
Addition
Bathroom
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
Room Information
# of Rooms: 14
Exterior
Exterior Information
Physical Condition: Excellent
Building Style Type: U-Shape
Construction Type: Wood
Building Construction Quality: Excellent
Property Information
Living Sq. Ft: 6,723
Building Sq. Ft: 6,723
# of Units: 1
# of Stories: 2
Legal Description: TRACT 6637 LOT 6
Parking & Garage Information
# of Parking Spaces: 7
Lot Information
# of Buildings: 1
Land Sq. Ft: 442,058
Legal Lot Number: 6
Municipality Name: CASTRO VALLEY UNINCORP
Acres: 10.1483
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: —
Baths: —
Sq. Ft.: 6,723
Stories: 2.0
Lot Size: 10.15 acres
Style: Single Family Residential
Year Built: 2000
Year Renovated: 2000
County: Alameda County
APN: 085A000102500
Home facts updated by county records on Sep 17, 2026
Around this home
Schools
Jensen Ranch Elementary School
Public K-5 • Assigned • 0.6mi
10/10
Canyon Middle School
Public 6-8 • Assigned • 0.7mi
7/10
Castro Valley High School
Public 9-12 • Assigned • 2.1mi
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...