657 Greylyn Dr is a 2,109 square foot house on a 3,108 square foot lot with 5 bedrooms and 3 bathrooms. Based on Redfin's San Ramon data, we estimate the home's value is $1,359,682.
Single-familyProperty Type
1997Year Built
3,108 sq ftLot Size
$645Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,359,682
$24K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.7% higher than the average sale price ($1.27M) of 5 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2026
$6,194 (+3.3%)
$236,145 + $246,732
$482,877
2025
$5,998 (+2.0%)
$236,145 + $246,732
$482,877
2024
$5,880 (+1.9%)
$231,515 + $241,895
$473,410
2023
$5,770 (+1.3%)
$226,976 + $237,152
$464,128
2022
$5,699 (+2.0%)
$222,526 + $232,502
$455,028
2021
$5,589 (+0.8%)
$218,163 + $227,944
$446,107
2020
$5,546 (+1.5%)
$213,886 + $223,475
$437,361
2019
$5,466 (+3.6%)
$211,693 + $221,184
$432,877
2018
$5,276 (+3.7%)
$207,543 + $216,848
$424,391
2017
$5,088 (+1.2%)
$199,485 + $208,429
$407,914
2016
$5,026 (+0.9%)
$199,485 + $208,429
$407,914
2015
$4,979 (+1.2%)
$195,574 + $204,343
$399,917
2014
$4,920 (+1.0%)
$188,864 + $197,332
$386,196
2013
$4,870 (+2.7%)
$188,864 + $197,332
$386,196
2012
$4,743 (+1.7%)
$188,011 + $196,441
$384,452
2011
$4,661 (+1.6%)
$184,325 + $192,590
$376,915
2010
$4,589 (+0.3%)
$180,711 + $188,814
$369,525
2009
$4,573 (+3.9%)
$179,361 + $187,403
$366,764
2008
$4,401
$179,788 + $187,849
$367,637
Tax history for 657 Greylyn Dr
Year
Property tax
Land + Additions
Assessment*
2026
$6,194 (+3.3%)
$236,145 + $246,732
$482,877
2025
$5,998 (+2.0%)
$236,145 + $246,732
$482,877
2024
$5,880 (+1.9%)
$231,515 + $241,895
$473,410
2023
$5,770 (+1.3%)
$226,976 + $237,152
$464,128
2022
$5,699 (+2.0%)
$222,526 + $232,502
$455,028
2021
$5,589 (+0.8%)
$218,163 + $227,944
$446,107
2020
$5,546 (+1.5%)
$213,886 + $223,475
$437,361
2019
$5,466 (+3.6%)
$211,693 + $221,184
$432,877
2018
$5,276 (+3.7%)
$207,543 + $216,848
$424,391
2017
$5,088 (+1.2%)
$199,485 + $208,429
$407,914
2016
$5,026 (+0.9%)
$199,485 + $208,429
$407,914
2015
$4,979 (+1.2%)
$195,574 + $204,343
$399,917
2014
$4,920 (+1.0%)
$188,864 + $197,332
$386,196
2013
$4,870 (+2.7%)
$188,864 + $197,332
$386,196
2012
$4,743 (+1.7%)
$188,011 + $196,441
$384,452
2011
$4,661 (+1.6%)
$184,325 + $192,590
$376,915
2010
$4,589 (+0.3%)
$180,711 + $188,814
$369,525
2009
$4,573 (+3.9%)
$179,361 + $187,403
$366,764
2008
$4,401
$179,788 + $187,849
$367,637
*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
RM
Medium Density Residential Zone
The RM zone is applied to areas of the City appropriate for multiple residential uses, including duplexes, townhouses, or cluster housing with landscaped open space for residents' use at a density of 6 to 14 units per net acre. Single-family dwellings are also permitted. Minimum lot size for new parcels is 3,500 sq ft or larger. The RM zone is consistent with and implements the Multiple Family High Density land use classification of the General Plan.
Permitted uses
Include but are not limited to:
Day care facility
Housing-Single unit
Housing-Multiple units
Housing-Senior
Housing-Student
Housing-Other
Apr 21, 2026 • Final
Miscellaneous - electrical
Electrical
Dec 30, 2025 • Final
Photovoltaic - electrical (solarapp)
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: 9
Exterior
Property Information
Living Sq. Ft: 2,109
Ground Floor Sq. Ft: 826
Building Sq. Ft: 2,109
# of Stories: 2
Legal Description: T7884 L21
Parking & Garage Information
Garage/Parking Sq. Ft: 410
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,108
Legal Lot Number: 21
Acres: 0.0713
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 3.0
Sq. Ft.: 2,109
Stories: 2.0
Lot Size: 3,108 square feet
Style: Single Family Residential
Year Built: 1997
Year Renovated: 1997
County: Contra Costa County
APN: 2108100989
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Country Club Elementary School
Public K-5 • Assigned • 0.7mi
9/10
Pine Valley Middle School
Public 6-8 • Assigned • 1.1mi
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
Dublin, California’s housing market appears to be cooling, with median prices down 8.2% to $1.2 million and homes taking 44 days to sell. Buyers may have more negotiating power and opportunities for discounts, while sellers should price competitively...
The median home value in Dublin has settled around $1.2M to $1.23M, reflecting a year-over-year dip of approximately 5.5% to 7.7%. Buyers entering now are finding better value compared to recent peak pricing.
Dublin’s fall market offers a great buyer window. Median prices hold steady around $1.3M with homes averaging 25 days on market. While newer builds and turnkey homes face quick competition, properties needing minor updates give you room to negotiate....