421 Hampton Ct is a 2,448 square foot house on a 8,250 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on June 10, 2021 for $1,845,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,994,630.
Single-familyProperty Type
1976Year Built
8,250 sq ftLot Size
$815Est. Price/Sq.Ft.
3 car garageParking
Source:Public Records
Redfin Estimate
$1,994,630
$150K since sold in June 2021$21K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 16.9% higher than the average sale price ($1.71M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40038061
Oct 4, 2004
Listing Removed
—
Public Records
Jul 1, 1978
Sold
$115,500
$47/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$21,562 (+1.3%)
$834,838 + $1,032,162
$1,867,000
2025
$21,285 (+0.3%)
$834,838 + $1,032,162
$1,867,000
2024
$21,228 (+5.9%)
$834,837 + $1,032,163
$1,867,000
2023
$20,049 (−7.7%)
$833,943 + $1,031,057
$1,865,000
2022
$21,731 (+76.7%)
$783,000 + $967,000
$1,750,000
2021
$12,299 (+1.0%)
$841,500 + $1,040,400
$1,881,900
2020
$12,178 (+1.1%)
$437,833 + $598,805
$1,036,638
2019
$12,042 (+3.9%)
$433,344 + $592,665
$1,026,009
2018
$11,593 (+3.8%)
$424,848 + $581,045
$1,005,893
2017
$11,170 (+1.3%)
$408,351 + $558,483
$966,834
2016
$11,032 (+1.3%)
$408,351 + $558,483
$966,834
2015
$10,892 (+9.3%)
$400,345 + $547,533
$947,878
2014
$9,969 (+14.1%)
$356,894 + $488,106
$845,000
2013
$8,738 (+16.8%)
$356,894 + $488,106
$845,000
2012
$7,483 (−4.1%)
$312,546 + $427,454
$740,000
2011
$7,805 (+0.6%)
$267,987 + $366,513
$634,500
2010
$7,755 (+0.1%)
$280,869 + $384,131
$665,000
2009
$7,746 (−16.0%)
$280,869 + $384,131
$665,000
2008
$9,217
$280,869 + $384,131
$665,000
Tax history for 421 Hampton Ct
Year
Property tax
Land + Additions
Assessment*
2026
$21,562 (+1.3%)
$834,838 + $1,032,162
$1,867,000
2025
$21,285 (+0.3%)
$834,838 + $1,032,162
$1,867,000
2024
$21,228 (+5.9%)
$834,837 + $1,032,163
$1,867,000
2023
$20,049 (−7.7%)
$833,943 + $1,031,057
$1,865,000
2022
$21,731 (+76.7%)
$783,000 + $967,000
$1,750,000
2021
$12,299 (+1.0%)
$841,500 + $1,040,400
$1,881,900
2020
$12,178 (+1.1%)
$437,833 + $598,805
$1,036,638
2019
$12,042 (+3.9%)
$433,344 + $592,665
$1,026,009
2018
$11,593 (+3.8%)
$424,848 + $581,045
$1,005,893
2017
$11,170 (+1.3%)
$408,351 + $558,483
$966,834
2016
$11,032 (+1.3%)
$408,351 + $558,483
$966,834
2015
$10,892 (+9.3%)
$400,345 + $547,533
$947,878
2014
$9,969 (+14.1%)
$356,894 + $488,106
$845,000
2013
$8,738 (+16.8%)
$356,894 + $488,106
$845,000
2012
$7,483 (−4.1%)
$312,546 + $427,454
$740,000
2011
$7,805 (+0.6%)
$267,987 + $366,513
$634,500
2010
$7,755 (+0.1%)
$280,869 + $384,131
$665,000
2009
$7,746 (−16.0%)
$280,869 + $384,131
$665,000
2008
$9,217
$280,869 + $384,131
$665,000
*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
RS-10
Single-Family Residential Zone
The RS zone is applied to areas of the City appropriate for single-family residential land uses in neighborhoods at a density of three to six units per net acre, subject to appropriate standards. The specific allowable density for each parcel is shown on the Zoning Map by a numerical suffix residential density designator (see Section D2-8). Minimum lot size for new parcels ranges from 3,500 to 12,000 sq ft. Depending upon the applicable residential density designator, the RS zone is consistent with and implements the Single Family Low Density, Single Family Low-Medium Density, and Single Family Medium Density land use classifications of the General Plan.
Permitted uses
Include but are not limited to:
Day care facility
Housing-Single unit
Housing-Senior
Housing-Student
Housing-Other
Dec 18, 2015 • Final
Photovoltaic - electrical
Electrical
Solar
Feb 21, 2015 • Final
Miscellaneous - plumbing
Plumbing
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 Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Excellent
Building Style Type: Ranch
Construction Type: Frame
Building Construction Quality: Good
Exterior Wall: Stucco
Pool Information
Has Pool
Property Information
Subdivision Name: SUBDIVISION 4487
Living Sq. Ft: 2,448
Ground Floor Sq. Ft: 1,364
Building Sq. Ft: 3,178
# of Stories: 2
Legal Description: T04487 L0058 B EX MR
Parking & Garage Information
# of Parking Spaces: 3
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 730
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,250
Legal Lot Number: 58
Acres: 0.1894
County Use Description: SINGLE FAMILY
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,448
Stories: 2.0
Lot Size: 8,250 square feet
Style: Single Family Residential
Year Built: 1976
Year Renovated: 1995
County: Contra Costa County
APN: 2123320281
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Montevideo Elementary School
Public K-5 • Assigned • 0.4mi
9/10
Pine Valley Middle School
Public 6-8 • Assigned • 1.1mi
10/10
California High School
Public 9-12 • Assigned • 0.5mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
San Ramon, Past 3 months,Median price $1.51M, down 4.5% YoY,Homes sold: 169 in July, up 1%,Days on market 20 days,Market Active but more balanced; slight seller advantage,Bottom line: Prices have softened, but homes are still selling relatively...