420 Hampton Rd is a 4,066 square foot house on a 0.33 acre lot with 4 bedrooms and 4 bathrooms. - it last sold on January 16, 1997 for $676,500. Based on Redfin's Piedmont data, we estimate the home's value is $3,217,634.
Single-familyProperty Type
1963Year Built
0.33 acresLot Size
$791Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$3,217,634
$2.5M since sold in January 1997$39K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.5% higher than the average sale price ($3.20M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #25441381
Oct 22, 1996
Sold
$676,163
$166/sq ft
Jul 31, 1996
Listing Removed
—
Oct 20, 1995
Listed
$799,000
$197/sq ft
COLONIAL STYLE HOME. HIGH CEILINGS, LARGE R OOMS, GREAT FAM ROOM WITH FIREPLACE, DECK O FF KITCHEN AND FAM ROOM, LEVEL GARDEN.
Year
Property tax
Land + Additions
Assessment*
2025
$21,409 (+7.2%)
$330,278 + $828,926
$1,159,204
2024
$19,980 (+1.7%)
$330,278 + $828,926
$1,159,204
2023
$19,647 (+2.9%)
$323,802 + $812,675
$1,136,477
2022
$19,095 (+4.4%)
$311,231 + $781,123
$1,092,354
2021
$18,291 (+0.5%)
$311,231 + $781,123
$1,092,354
2020
$18,206 (+4.2%)
$305,128 + $765,807
$1,070,935
2019
$17,477 (+3.5%)
$302,001 + $757,959
$1,059,960
2018
$16,881 (+0.1%)
$296,081 + $743,102
$1,039,183
2017
$16,862 (+7.6%)
$284,587 + $714,253
$998,840
2016
$15,674 (+0.1%)
$284,587 + $714,253
$998,840
2015
$15,653 (+2.6%)
$279,008 + $700,250
$979,258
2014
$15,260
$269,436 + $676,226
$945,662
2013
$15,275 (+5.0%)
$269,436 + $676,226
$945,662
2012
$14,541 (+0.8%)
$268,219 + $673,172
$941,391
2011
$14,431 (+2.8%)
$262,960 + $613,574
$876,534
2010
$14,033 (−1.1%)
$257,805 + $601,546
$859,351
2009
$14,191 (+8.1%)
$255,878 + $597,050
$852,928
2008
$13,124
$256,487 + $598,470
$854,957
Tax history for 420 Hampton Rd
Year
Property tax
Land + Additions
Assessment*
2025
$21,409 (+7.2%)
$330,278 + $828,926
$1,159,204
2024
$19,980 (+1.7%)
$330,278 + $828,926
$1,159,204
2023
$19,647 (+2.9%)
$323,802 + $812,675
$1,136,477
2022
$19,095 (+4.4%)
$311,231 + $781,123
$1,092,354
2021
$18,291 (+0.5%)
$311,231 + $781,123
$1,092,354
2020
$18,206 (+4.2%)
$305,128 + $765,807
$1,070,935
2019
$17,477 (+3.5%)
$302,001 + $757,959
$1,059,960
2018
$16,881 (+0.1%)
$296,081 + $743,102
$1,039,183
2017
$16,862 (+7.6%)
$284,587 + $714,253
$998,840
2016
$15,674 (+0.1%)
$284,587 + $714,253
$998,840
2015
$15,653 (+2.6%)
$279,008 + $700,250
$979,258
2014
$15,260
$269,436 + $676,226
$945,662
2013
$15,275 (+5.0%)
$269,436 + $676,226
$945,662
2012
$14,541 (+0.8%)
$268,219 + $673,172
$941,391
2011
$14,431 (+2.8%)
$262,960 + $613,574
$876,534
2010
$14,033 (−1.1%)
$257,805 + $601,546
$859,351
2009
$14,191 (+8.1%)
$255,878 + $597,050
$852,928
2008
$13,124
$256,487 + $598,470
$854,957
*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
SFR
Single Family Residential
The intent is to: Preserve, protect and enhance Piedmont's residential character, protecting the quiet, family atmosphere of neighborhoods.; Protect residents from the harmful effects of excessive noise, light deprivation, intrusions on privacy, overcrowding, excessive traffic, insufficient parking, blockage of significant views, and other adverse environmental impacts.; Maintain openness and areas of vegetation between residences to enhance a healthy environment.; Achieve design compatibility between additions, remodeling and other new construction by establishing development standards.; Minimize the out-of-scale appearance of large homes, parking areas, and other development relative to the lot size and to other homes in a neighborhood.
Aug 30, 2005 • Final
Building
Remodel the master bathroom.
Bathroom
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.
Property details
Interior
Basement Information
Basement Sq. Ft: 777
Heating & Cooling
Heating Fuel Type: Gas
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 9
Exterior
Exterior Information
Foundation Type: Slab
Building Style Type: U-Shape
Construction Type: Wood
Building Construction Quality: Excellent
Exterior Wall: Stucco
Pool Information
Has Pool
View Information
View: Good
Property Information
Subdivision Name: UPPER PIEDMONT ESTATES
Living Sq. Ft: 4,066
Building Sq. Ft: 4,066
# of Units: 1
# of Stories: 1
Parking & Garage Information
# of Parking Spaces: 2
Lot Information
# of Buildings: 1
Land Sq. Ft: 14,297
Legal Lot Number: 210
Municipality Name: PIEDMONT INCORP
Acres: 0.3282
Zoning Code: A
County Use Description: SINGLE FAMILY RESIDENTIAL HOME
Utility Information
Sewer Type: Public
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 4
Baths: 4.0
Sq. Ft.: 4,066
Stories: 1.0
Lot Size: 0.33 acres
Style: Single Family Residential
Year Built: 1963
Year Renovated: 1964
County: Alameda County
APN: 051 481901810
Home facts updated by county records on Jul 27, 2026
Around this home
Schools
Havens Elementary School
Public K-5 • Assigned • 1.0mi
9/10
Piedmont Middle School
Public 6-8 • Assigned • 0.9mi
8/10
Piedmont High School
Public 9-12 • Assigned • 0.9mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
1/10 Flood Factor
Minimal risk of a flood reaching the building in the next 30 years
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
2/10 Heat Factor
6 days above 86° expected this year, 13 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
14 unhealthy days expected this year, 14 days in 30 years
Provided by First Street
Historical weather
Piedmont, CA • 94611
Average low and high temperatures (°F)
59
47
60
47
66
51
63
49
67
52
68
53
67
54
74
56
74
58
72
57
61
50
57
47
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.9 hours in
June and 5 hours in December, placing it above the
U.S. average for solar exposure.
10.9 hrs
5 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$3.06M – $3.70M
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