300 Rubicon Vly is a 2,746 square foot house on a 7,600 square foot lot with 5 bedrooms and 3 bathrooms. - it last sold on October 07, 2011 for $775,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,675,461.
Single-familyProperty Type
1996Year Built
7,600 sq ftLot Size
$610Est. Price/Sq.Ft.
3 car garageParking
Source:Public Records
Redfin Estimate
$1,675,461
$900K since sold in October 2011$37K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 22.9% lower than the average sale price ($2.17M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40157488
Mar 26, 2015
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #40165315
Mar 26, 2015
Listing Removed
—
Public Records
Oct 7, 2011
Sold
$775,000
$282/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40292511
Oct 9, 2007
Listing Removed
—
Public Records
Jul 14, 2006
Sold
$965,000
$351/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #40171686
Jul 5, 2006
Listing Removed
—
Jun 27, 2006
Contingent
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #40087005
Jul 11, 2005
Listing Removed
—
Public Records
Oct 17, 1996
Sold
$397,500
$145/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$12,204 (+3.1%)
$518,870 + $474,027
$992,897
2025
$11,832 (+1.9%)
$518,870 + $474,027
$992,897
2024
$11,608 (+1.5%)
$508,697 + $464,733
$973,430
2023
$11,431 (+0.7%)
$498,723 + $455,621
$954,344
2022
$11,352 (+1.9%)
$488,945 + $446,688
$935,633
2021
$11,136 (+0.6%)
$479,358 + $437,930
$917,288
2020
$11,067 (+1.3%)
$469,959 + $429,344
$899,303
2019
$10,928 (+3.7%)
$465,141 + $424,942
$890,083
2018
$10,541 (+3.6%)
$456,021 + $416,610
$872,631
2017
$10,178 (+1.1%)
$438,314 + $400,434
$838,748
2016
$10,065 (+0.9%)
$438,314 + $400,434
$838,748
2015
$9,972 (+1.1%)
$429,720 + $392,583
$822,303
2014
$9,864 (+0.9%)
$414,975 + $379,113
$794,088
2013
$9,772 (+3.8%)
$414,975 + $379,113
$794,088
2012
$9,415 (+6.3%)
$413,100 + $377,400
$790,500
2011
$8,855 (+0.6%)
$400,035 + $365,465
$765,500
2010
$8,802 (−12.1%)
$380,518 + $339,482
$720,000
2009
$10,018 (−12.8%)
$380,518 + $339,482
$720,000
2008
$11,489
$441,031 + $393,469
$834,500
Tax history for 300 Rubicon Vly
Year
Property tax
Land + Additions
Assessment*
2026
$12,204 (+3.1%)
$518,870 + $474,027
$992,897
2025
$11,832 (+1.9%)
$518,870 + $474,027
$992,897
2024
$11,608 (+1.5%)
$508,697 + $464,733
$973,430
2023
$11,431 (+0.7%)
$498,723 + $455,621
$954,344
2022
$11,352 (+1.9%)
$488,945 + $446,688
$935,633
2021
$11,136 (+0.6%)
$479,358 + $437,930
$917,288
2020
$11,067 (+1.3%)
$469,959 + $429,344
$899,303
2019
$10,928 (+3.7%)
$465,141 + $424,942
$890,083
2018
$10,541 (+3.6%)
$456,021 + $416,610
$872,631
2017
$10,178 (+1.1%)
$438,314 + $400,434
$838,748
2016
$10,065 (+0.9%)
$438,314 + $400,434
$838,748
2015
$9,972 (+1.1%)
$429,720 + $392,583
$822,303
2014
$9,864 (+0.9%)
$414,975 + $379,113
$794,088
2013
$9,772 (+3.8%)
$414,975 + $379,113
$794,088
2012
$9,415 (+6.3%)
$413,100 + $377,400
$790,500
2011
$8,855 (+0.6%)
$400,035 + $365,465
$765,500
2010
$8,802 (−12.1%)
$380,518 + $339,482
$720,000
2009
$10,018 (−12.8%)
$380,518 + $339,482
$720,000
2008
$11,489
$441,031 + $393,469
$834,500
*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-6
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
Jun 21, 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: 12
Exterior
Property Information
Subdivision Name: SUBDIVISION 7414
Living Sq. Ft: 2,746
Ground Floor Sq. Ft: 1,449
Building Sq. Ft: 2,746
# of Stories: 2
Legal Description: T7414 L35
Parking & Garage Information
Garage/Parking Sq. Ft: 645
Lot Information
# of Buildings: 1
Land Sq. Ft: 7,600
Legal Lot Number: 35
Acres: 0.1745
County Use Description: SINGLE FAMILY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 5
Baths: 3.0
Sq. Ft.: 2,746
Stories: 2.0
Lot Size: 7,600 square feet
Style: Single Family Residential
Year Built: 1996
Year Renovated: 1997
County: Contra Costa County
APN: 2109200465
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 • 1.6mi
10/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Local insights from Redfin agents
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.
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...