21621 Prospect Rd is a 3,584 square foot house on a 1.87 acre lot with 5 bedrooms and 4 bathrooms. - it last sold on July 31, 1987 for $275,000. Based on Redfin's Saratoga data, we estimate the home's value is $4,101,725.
Single-familyProperty Type
1987Year Built
1.87 acresLot Size
$1,144Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$4,101,725
$3.8M since sold in July 1987$140K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 18.8% lower than the average sale price ($5.05M) 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
HR
Hillside Residential District
In addition to the objectives set forth in Section 15-05.020, the hillside residential district is included in the Zoning Ordinance to achieve the following purposes: To maintain to the maximum degree feasible, the natural environment and existing rural character of the area to which the district is applied.; To encourage development on gently sloping sites having natural screening features in preference to develop on steep, visually exposed sites.; To implement the open space element of the General Plan by ensuring maximum preservation of open space, including major ridgelines, densely wooded areas, and riparian vegetation.; To prevent development that would be subject to significant uncorrectable geotechnical or flood hazards.; To implement the Northwestern Hillside Specific Plan as adopted by the City on June 2, 1981, for the area included within the Specific Plan boundaries.
Permitted uses
Include but are not limited to:
Housing-Group
Housing-Single unit
Housing-Other
Communications tower
Agriculture-Cropland
Park & open space
Dec 18, 2025 • Final
Electrical
Install an electric vehicle charger.
Electrical
Ev charger
Remodel
Mar 14, 2024 • Final
Encroachment
Adjust the conductor and replace the connectors for the electrical service.
Electrical
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: 10
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: H-Shape
Construction Type: Wood
Building Construction Quality: Good
Roof Framing Type: Wood
Pool Information
Pool Type: Pool/Spa
Has Pool
Property Information
Subdivision Name: RECORD/SURV
Living Sq. Ft: 3,584
Ground Floor Sq. Ft: 1,360
Building Sq. Ft: 3,584
# of Stories: 1
Legal Description: MAP B6 852
Parking & Garage Information
Garage/Parking Sq. Ft: 859
Lot Information
# of Buildings: 1
Land Sq. Ft: 81,457
Legal Lot Number: 1
Legal Block Number: 6
Municipality Name: SARATOGA CITY
Acres: 1.87
Zoning Code: RHS
County Use Description: RESID SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Tax Area: SARATOGA CITY
Public facts
Beds: 5
Baths: 4.0
Sq. Ft.: 3,584
Stories: 1.0
Lot Size: 1.87 acres
Style: Single Family Residential
Year Built: 1987
Year Renovated: 1993
County: Santa Clara County
APN: 36632009
Home facts updated by county records on Aug 22, 2026
Around this home
Schools
Blue Hills Elementary School
Public K-5 • Assigned • 1.3mi
9/10
John F. Kennedy Middle School
Public 6-8 • Assigned • 1.7mi
9/10
Monta Vista High School
Public 9-12 • Assigned • 1.9mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
The Saratoga housing market remains highly competitive, driven by strong demand and limited inventory. Over the past three months, the median home price was approximately $3.5M, reflecting continued buyer interest in this highly desirable community.