638 Greylyn Dr is a 1,988 square foot house on a 3,500 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on July 30, 2004 for $675,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,250,836.
Single-familyProperty Type
1997Year Built
3,500 sq ftLot Size
$629Est. Price/Sq.Ft.
2 car garageParking
Source:Public Records
Redfin Estimate
$1,250,836
$576K since sold in July 2004$24K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 8% higher than the average sale price ($1.16M) of 5 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40335366
May 13, 2008
Listing Removed
—
Public Records
Jul 30, 2004
Sold
$675,000
$340/sq ft
Public Records
May 31, 1994
Sold
$5,600,000
$2,817/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$10,143 (+3.3%)
$525,399 + $317,864
$843,263
2025
$9,823 (+2.0%)
$525,399 + $317,864
$843,263
2024
$9,630 (+1.7%)
$515,098 + $311,632
$826,730
2023
$9,465 (+1.1%)
$504,999 + $305,522
$810,521
2022
$9,367 (+2.0%)
$495,098 + $299,532
$794,630
2021
$9,182 (+0.7%)
$485,391 + $293,659
$779,050
2020
$9,120 (+1.4%)
$475,874 + $287,901
$763,775
2019
$8,998 (+3.7%)
$470,995 + $284,949
$755,944
2018
$8,677 (+3.7%)
$461,760 + $279,362
$741,122
2017
$8,367 (+1.1%)
$443,830 + $268,515
$712,345
2016
$8,274 (+1.0%)
$443,830 + $268,515
$712,345
2015
$8,195 (+1.2%)
$435,128 + $263,250
$698,378
2014
$8,100 (+2.4%)
$420,197 + $254,217
$674,414
2013
$7,907 (+10.6%)
$420,197 + $254,217
$674,414
2012
$7,149 (−6.7%)
$411,839 + $249,161
$661,000
2011
$7,664 (+12.0%)
$372,587 + $225,413
$598,000
2010
$6,846 (−4.3%)
$401,558 + $242,942
$644,500
2009
$7,155 (−8.0%)
$357,633 + $216,367
$574,000
2008
$7,779
$376,948 + $228,052
$605,000
Tax history for 638 Greylyn Dr
Year
Property tax
Land + Additions
Assessment*
2026
$10,143 (+3.3%)
$525,399 + $317,864
$843,263
2025
$9,823 (+2.0%)
$525,399 + $317,864
$843,263
2024
$9,630 (+1.7%)
$515,098 + $311,632
$826,730
2023
$9,465 (+1.1%)
$504,999 + $305,522
$810,521
2022
$9,367 (+2.0%)
$495,098 + $299,532
$794,630
2021
$9,182 (+0.7%)
$485,391 + $293,659
$779,050
2020
$9,120 (+1.4%)
$475,874 + $287,901
$763,775
2019
$8,998 (+3.7%)
$470,995 + $284,949
$755,944
2018
$8,677 (+3.7%)
$461,760 + $279,362
$741,122
2017
$8,367 (+1.1%)
$443,830 + $268,515
$712,345
2016
$8,274 (+1.0%)
$443,830 + $268,515
$712,345
2015
$8,195 (+1.2%)
$435,128 + $263,250
$698,378
2014
$8,100 (+2.4%)
$420,197 + $254,217
$674,414
2013
$7,907 (+10.6%)
$420,197 + $254,217
$674,414
2012
$7,149 (−6.7%)
$411,839 + $249,161
$661,000
2011
$7,664 (+12.0%)
$372,587 + $225,413
$598,000
2010
$6,846 (−4.3%)
$401,558 + $242,942
$644,500
2009
$7,155 (−8.0%)
$357,633 + $216,367
$574,000
2008
$7,779
$376,948 + $228,052
$605,000
*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
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
Nov 13, 2015 • 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: 7
Exterior
Property Information
Subdivision Name: SUBDIVISION 7884
Living Sq. Ft: 1,988
Ground Floor Sq. Ft: 894
Building Sq. Ft: 1,988
# of Stories: 2
Legal Description: T7884 L42
Parking & Garage Information
Garage/Parking Sq. Ft: 457
Lot Information
# of Buildings: 1
Land Sq. Ft: 3,500
Legal Lot Number: 42
Acres: 0.0803
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 1,988
Stories: 2.0
Lot Size: 3,500 square feet
Style: Single Family Residential
Year Built: 1997
Year Renovated: 1997
County: Contra Costa County
APN: 2108101193
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 • 1.7mi
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...