21 Lynnbrook Ct is a 2,897 square foot house on a 0.27 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on October 27, 1997 for $375,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,764,111.
Single-familyProperty Type
1984Year Built
0.27 acresLot Size
$609Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$1,764,111
$1.4M since sold in October 1997$16K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.2% lower than the average sale price ($1.88M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #10236751
Feb 19, 2019
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #27236751
Feb 1, 2019
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #10245350
Oct 28, 1997
Listing Removed
—
Public Records
Oct 27, 1997
Sold
$375,000
$129/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #27245350
Oct 6, 1997
Listing Removed
—
Public Records
Jun 28, 1991
Sold
$362,500
$125/sq ft
Public Records
Jan 27, 1988
Sold
$275,000
$95/sq ft
Public Records
Jul 24, 1987
Sold
$275,000
$95/sq ft
Public Records
Jun 28, 1984
Sold
$236,000
$81/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$8,643 (+3.1%)
$228,004 + $439,604
$667,608
2025
$8,383 (+0.9%)
$228,004 + $439,604
$667,608
2024
$8,305 (+1.8%)
$223,534 + $430,985
$654,519
2023
$8,161 (+3.4%)
$219,151 + $422,535
$641,686
2022
$7,896 (+2.2%)
$214,854 + $414,250
$629,104
2021
$7,725 (+1.3%)
$210,642 + $406,128
$616,770
2020
$7,628 (+1.1%)
$206,512 + $398,165
$604,677
2019
$7,548 (+3.8%)
$204,395 + $394,083
$598,478
2018
$7,273 (+3.7%)
$200,388 + $386,356
$586,744
2017
$7,011 (+1.4%)
$192,607 + $371,354
$563,961
2016
$6,913 (+1.4%)
$192,607 + $371,354
$563,961
2015
$6,817 (+1.5%)
$188,831 + $364,073
$552,904
2014
$6,717 (+1.3%)
$182,352 + $351,581
$533,933
2013
$6,628 (+3.1%)
$182,352 + $351,581
$533,933
2012
$6,429 (+2.0%)
$181,528 + $349,993
$531,521
2011
$6,302 (+1.4%)
$177,969 + $343,131
$521,100
2010
$6,215
$174,480 + $336,403
$510,883
2009
$6,221 (+3.6%)
$173,176 + $333,889
$507,065
2008
$6,006
$173,588 + $334,683
$508,271
Tax history for 21 Lynnbrook Ct
Year
Property tax
Land + Additions
Assessment*
2026
$8,643 (+3.1%)
$228,004 + $439,604
$667,608
2025
$8,383 (+0.9%)
$228,004 + $439,604
$667,608
2024
$8,305 (+1.8%)
$223,534 + $430,985
$654,519
2023
$8,161 (+3.4%)
$219,151 + $422,535
$641,686
2022
$7,896 (+2.2%)
$214,854 + $414,250
$629,104
2021
$7,725 (+1.3%)
$210,642 + $406,128
$616,770
2020
$7,628 (+1.1%)
$206,512 + $398,165
$604,677
2019
$7,548 (+3.8%)
$204,395 + $394,083
$598,478
2018
$7,273 (+3.7%)
$200,388 + $386,356
$586,744
2017
$7,011 (+1.4%)
$192,607 + $371,354
$563,961
2016
$6,913 (+1.4%)
$192,607 + $371,354
$563,961
2015
$6,817 (+1.5%)
$188,831 + $364,073
$552,904
2014
$6,717 (+1.3%)
$182,352 + $351,581
$533,933
2013
$6,628 (+3.1%)
$182,352 + $351,581
$533,933
2012
$6,429 (+2.0%)
$181,528 + $349,993
$531,521
2011
$6,302 (+1.4%)
$177,969 + $343,131
$521,100
2010
$6,215
$174,480 + $336,403
$510,883
2009
$6,221 (+3.6%)
$173,176 + $333,889
$507,065
2008
$6,006
$173,588 + $334,683
$508,271
*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 12, 2023 • Final
Miscellaneous - re-roof
Roofing
Jan 30, 2010 • Final
Building/residential/so/solar
Install solar panels for a pool.
Electrical
Pool and hot tub
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: 11
Exterior
Pool Information
Has Pool
Property Information
Subdivision Name: SUBDIVISION 5468
Living Sq. Ft: 2,897
Ground Floor Sq. Ft: 1,576
Building Sq. Ft: 2,897
# of Stories: 2
Legal Description: TRACT 5468 POR LOT 8
Parking & Garage Information
Garage/Parking Sq. Ft: 677
Lot Information
# of Buildings: 1
Land Sq. Ft: 11,560
Legal Lot Number: 8
Acres: 0.2654
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,897
Stories: 2.0
Lot Size: 0.27 acres
Style: Single Family Residential
Year Built: 1984
Year Renovated: 1988
County: Contra Costa County
APN: 2132510229
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Golden View Elementary School
Public K-5 • Assigned • 1.3mi
10/10
Iron Horse Middle School
Public 6-8 • Assigned • 0.1mi
10/10
California High School
Public 9-12 • Assigned • 1.8mi
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...