204 Blackthorn Ct is a 3,002 square foot house on a 0.31 acre lot with 4 bedrooms and 3 bathrooms. - it last sold on November 30, 2017 for $1,385,000. Based on Redfin's San Ramon data, we estimate the home's value is $2,145,583.
Single-familyProperty Type
1995Year Built
0.31 acresLot Size
$715Est. Price/Sq.Ft.
3 car garageParking
Source:Public Records
Redfin Estimate
$2,145,583
$761K since sold in November 2017$77K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 3.9% higher than the average sale price ($2.07M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #10226591
Mar 28, 1997
Listing Removed
—
Public Records
Mar 28, 1997
Sold
$492,500
$164/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #26226591
Jan 13, 1997
Listing Removed
—
Year
Property tax
Land + Additions
Assessment*
2026
$18,793 (+3.2%)
$1,069,245 + $537,928
$1,607,173
2025
$18,211 (+2.2%)
$1,069,245 + $537,928
$1,607,173
2024
$17,828 (+1.5%)
$1,048,280 + $527,381
$1,575,661
2023
$17,558 (+1.0%)
$1,027,726 + $517,041
$1,544,767
2022
$17,382 (+1.9%)
$1,007,575 + $506,903
$1,514,478
2021
$17,057 (+0.4%)
$987,819 + $496,964
$1,484,783
2020
$16,988 (+1.1%)
$968,450 + $487,220
$1,455,670
2019
$16,806 (+3.8%)
$958,520 + $482,225
$1,440,745
2018
$16,195 (+90.0%)
$939,726 + $472,770
$1,412,496
2017
$8,524 (+1.2%)
$203,478 + $494,743
$698,221
2016
$8,425 (+0.9%)
$203,478 + $494,743
$698,221
2015
$8,346 (+1.1%)
$199,489 + $485,043
$684,532
2014
$8,253 (+0.9%)
$192,644 + $468,400
$661,044
2013
$8,176 (+2.7%)
$192,644 + $468,400
$661,044
2012
$7,964 (+1.7%)
$191,774 + $466,284
$658,058
2011
$7,834 (+1.3%)
$188,014 + $457,142
$645,156
2010
$7,732 (+0.2%)
$184,328 + $448,179
$632,507
2009
$7,720 (+3.4%)
$182,951 + $444,830
$627,781
2008
$7,465
$183,386 + $445,887
$629,273
Tax history for 204 Blackthorn Ct
Year
Property tax
Land + Additions
Assessment*
2026
$18,793 (+3.2%)
$1,069,245 + $537,928
$1,607,173
2025
$18,211 (+2.2%)
$1,069,245 + $537,928
$1,607,173
2024
$17,828 (+1.5%)
$1,048,280 + $527,381
$1,575,661
2023
$17,558 (+1.0%)
$1,027,726 + $517,041
$1,544,767
2022
$17,382 (+1.9%)
$1,007,575 + $506,903
$1,514,478
2021
$17,057 (+0.4%)
$987,819 + $496,964
$1,484,783
2020
$16,988 (+1.1%)
$968,450 + $487,220
$1,455,670
2019
$16,806 (+3.8%)
$958,520 + $482,225
$1,440,745
2018
$16,195 (+90.0%)
$939,726 + $472,770
$1,412,496
2017
$8,524 (+1.2%)
$203,478 + $494,743
$698,221
2016
$8,425 (+0.9%)
$203,478 + $494,743
$698,221
2015
$8,346 (+1.1%)
$199,489 + $485,043
$684,532
2014
$8,253 (+0.9%)
$192,644 + $468,400
$661,044
2013
$8,176 (+2.7%)
$192,644 + $468,400
$661,044
2012
$7,964 (+1.7%)
$191,774 + $466,284
$658,058
2011
$7,834 (+1.3%)
$188,014 + $457,142
$645,156
2010
$7,732 (+0.2%)
$184,328 + $448,179
$632,507
2009
$7,720 (+3.4%)
$182,951 + $444,830
$627,781
2008
$7,465
$183,386 + $445,887
$629,273
*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
Jul 26, 2017 • Final
Furnace a/c - mechanical (residential)
HVAC
Jan 28, 2012 • Final
Water heater/softener - plumbing
Plumbing
Water heater
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
Subdivision Name: SUBDIVISION 7038
Living Sq. Ft: 3,002
Ground Floor Sq. Ft: 1,713
Building Sq. Ft: 3,002
# of Stories: 2
Legal Description: T7038 L62
Parking & Garage Information
Garage/Parking Sq. Ft: 630
Lot Information
# of Buildings: 1
Land Sq. Ft: 13,610
Legal Lot Number: 62
Acres: 0.3124
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 3,002
Stories: 2.0
Lot Size: 0.31 acres
Style: Single Family Residential
Year Built: 1995
Year Renovated: 1997
County: Contra Costa County
APN: 2107900249
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 • 1.6mi
9/10
Pine Valley Middle School
Public 6-8 • Assigned • 1.4mi
10/10
California High School
Public 9-12 • Assigned • 1.5mi
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.