123 Nassau Ct is a 2,813 square foot house on a 8,580 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on February 11, 2004 for $765,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,777,427.
Single-familyProperty Type
1987Year Built
8,580 sq ftLot Size
$632Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$1,777,427
$1.0M since sold in February 2004$37K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 4.5% lower than the average sale price ($1.86M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #11210493
Apr 25, 2018
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #11212433
Apr 25, 2018
Listing Removed
—
Public Records
Feb 11, 2004
Sold
$765,000
$272/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #11216239
Jan 7, 2004
Listing Removed
—
Public Records
Aug 3, 1987
Sold
$275,000
$98/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$12,959 (+3.3%)
$493,068 + $616,337
$1,109,405
2025
$12,548 (+2.0%)
$493,068 + $616,337
$1,109,405
2024
$12,299 (+1.6%)
$483,400 + $604,252
$1,087,652
2023
$12,105 (+0.7%)
$473,922 + $592,404
$1,066,326
2022
$12,016 (+2.0%)
$464,630 + $580,789
$1,045,419
2021
$11,775 (+0.6%)
$455,520 + $569,401
$1,024,921
2020
$11,701 (+1.3%)
$446,589 + $558,237
$1,004,826
2019
$11,547 (+3.9%)
$442,010 + $552,513
$994,523
2018
$11,118 (+3.7%)
$433,344 + $541,680
$975,024
2017
$10,718 (+1.2%)
$416,518 + $520,647
$937,165
2016
$10,594 (+1.0%)
$416,518 + $520,647
$937,165
2015
$10,490 (+1.2%)
$408,351 + $510,439
$918,790
2014
$10,369 (+1.0%)
$394,340 + $492,924
$887,264
2013
$10,269 (+8.3%)
$394,340 + $492,924
$887,264
2012
$9,482 (+5.2%)
$392,558 + $490,697
$883,255
2011
$9,010 (+0.6%)
$364,222 + $455,278
$819,500
2010
$8,955 (+0.3%)
$344,445 + $430,555
$775,000
2009
$8,926 (−4.6%)
$344,445 + $430,555
$775,000
2008
$9,360
$344,445 + $430,555
$775,000
Tax history for 123 Nassau Ct
Year
Property tax
Land + Additions
Assessment*
2026
$12,959 (+3.3%)
$493,068 + $616,337
$1,109,405
2025
$12,548 (+2.0%)
$493,068 + $616,337
$1,109,405
2024
$12,299 (+1.6%)
$483,400 + $604,252
$1,087,652
2023
$12,105 (+0.7%)
$473,922 + $592,404
$1,066,326
2022
$12,016 (+2.0%)
$464,630 + $580,789
$1,045,419
2021
$11,775 (+0.6%)
$455,520 + $569,401
$1,024,921
2020
$11,701 (+1.3%)
$446,589 + $558,237
$1,004,826
2019
$11,547 (+3.9%)
$442,010 + $552,513
$994,523
2018
$11,118 (+3.7%)
$433,344 + $541,680
$975,024
2017
$10,718 (+1.2%)
$416,518 + $520,647
$937,165
2016
$10,594 (+1.0%)
$416,518 + $520,647
$937,165
2015
$10,490 (+1.2%)
$408,351 + $510,439
$918,790
2014
$10,369 (+1.0%)
$394,340 + $492,924
$887,264
2013
$10,269 (+8.3%)
$394,340 + $492,924
$887,264
2012
$9,482 (+5.2%)
$392,558 + $490,697
$883,255
2011
$9,010 (+0.6%)
$364,222 + $455,278
$819,500
2010
$8,955 (+0.3%)
$344,445 + $430,555
$775,000
2009
$8,926 (−4.6%)
$344,445 + $430,555
$775,000
2008
$9,360
$344,445 + $430,555
$775,000
*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
Sep 29, 2023 • Final
Photovoltaic - electrical
Electrical
Solar
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
Property Information
Living Sq. Ft: 2,813
Ground Floor Sq. Ft: 1,488
Building Sq. Ft: 2,813
# of Stories: 2
Legal Description: T5902 L96
Parking & Garage Information
Garage/Parking Sq. Ft: 517
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,580
Legal Lot Number: 96
Acres: 0.197
County Use Description: SINGLE FAMILY DETACHED WITH MA
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,813
Stories: 2.0
Lot Size: 8,580 square feet
Style: Single Family Residential
Year Built: 1987
Year Renovated: 1987
County: Contra Costa County
APN: 2125010336
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Walt Disney Elementary School
Public K-5 • Assigned • 1.0mi
10/10
Pine Valley Middle School
Public 6-8 • Assigned • 1.2mi
10/10
California High School
Public 9-12 • Assigned • 0.7mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
The San Ramon housing market remains competitive with median sale prices hovering around $1.45 million, though distinct neighborhood trends are emerging as older, centrally located areas appreciate while newer developments like Dougherty Valley...
San Ramon remains competitive, with homes averaging 1 offer and selling in 29 days. Median price is $1.4M (+2.8%), while price per sq. ft. is $677 (-1.2%). Buyers have negotiation opportunities; sellers should price strategically.