513 Cartagena Ln is a 2,070 square foot house on a 9,900 square foot lot with 4 bedrooms and 2 bathrooms. - it last sold on July 18, 2002 for $610,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,642,357.
Single-familyProperty Type
1979Year Built
9,900 sq ftLot Size
$793Est. Price/Sq.Ft.
3 car garageParking
Source:Public Records
Redfin Estimate
$1,642,357
$1.0M since sold in July 2002$0 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5% lower than the average sale price ($1.73M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #11140625
May 28, 2002
Listing Removed
—
bridgeMLS, Bay East AOR, or Contra Costa AOR #10255487
Jun 15, 1998
Listing Removed
—
Public Records
Jun 12, 1998
Sold
$343,000
$166/sq ft
bridgeMLS, Bay East AOR, or Contra Costa AOR #28255487
May 15, 1998
Listing Removed
—
Public Records
Apr 27, 1979
Sold
$108,000
$52/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$11,016 (+3.2%)
$480,111 + $431,437
$911,548
2025
$10,672 (+104.3%)
$480,111 + $431,437
$911,548
2024
$5,225 (−49.2%)
$470,698 + $422,978
$893,676
2023
$10,277 (+0.8%)
$461,469 + $414,685
$876,154
2022
$10,199 (+2.2%)
$452,421 + $406,554
$858,975
2021
$9,977 (+1.1%)
$443,550 + $398,583
$842,133
2020
$9,868 (+1.1%)
$434,853 + $390,768
$825,621
2019
$9,759 (+3.9%)
$430,395 + $386,762
$817,157
2018
$9,395 (+3.8%)
$421,956 + $379,179
$801,135
2017
$9,051 (+1.3%)
$405,572 + $364,456
$770,028
2016
$8,932 (+2.4%)
$405,572 + $364,456
$770,028
2015
$8,720 (+1.4%)
$397,620 + $357,310
$754,930
2014
$8,598 (+22.6%)
$383,977 + $336,716
$720,693
2013
$7,014 (+1.3%)
$383,977 + $336,716
$720,693
2012
$6,923 (+0.2%)
$310,615 + $272,385
$583,000
2011
$6,909 (−7.9%)
$310,615 + $272,385
$583,000
2010
$7,504 (+6.6%)
$310,615 + $272,385
$583,000
2009
$7,039 (−8.6%)
$342,050 + $299,950
$642,000
2008
$7,704
$319,673 + $280,327
$600,000
Tax history for 513 Cartagena Ln
Year
Property tax
Land + Additions
Assessment*
2026
$11,016 (+3.2%)
$480,111 + $431,437
$911,548
2025
$10,672 (+104.3%)
$480,111 + $431,437
$911,548
2024
$5,225 (−49.2%)
$470,698 + $422,978
$893,676
2023
$10,277 (+0.8%)
$461,469 + $414,685
$876,154
2022
$10,199 (+2.2%)
$452,421 + $406,554
$858,975
2021
$9,977 (+1.1%)
$443,550 + $398,583
$842,133
2020
$9,868 (+1.1%)
$434,853 + $390,768
$825,621
2019
$9,759 (+3.9%)
$430,395 + $386,762
$817,157
2018
$9,395 (+3.8%)
$421,956 + $379,179
$801,135
2017
$9,051 (+1.3%)
$405,572 + $364,456
$770,028
2016
$8,932 (+2.4%)
$405,572 + $364,456
$770,028
2015
$8,720 (+1.4%)
$397,620 + $357,310
$754,930
2014
$8,598 (+22.6%)
$383,977 + $336,716
$720,693
2013
$7,014 (+1.3%)
$383,977 + $336,716
$720,693
2012
$6,923 (+0.2%)
$310,615 + $272,385
$583,000
2011
$6,909 (−7.9%)
$310,615 + $272,385
$583,000
2010
$7,504 (+6.6%)
$310,615 + $272,385
$583,000
2009
$7,039 (−8.6%)
$342,050 + $299,950
$642,000
2008
$7,704
$319,673 + $280,327
$600,000
*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
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
Feb 27, 2015 • Final
Alteration, remodel, repair - building residential
Remodel
May 2, 2014 • Final
Alteration, remodel, repair - building residential
Remodel
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: 2,070
Ground Floor Sq. Ft: 2,070
Building Sq. Ft: 2,070
# of Stories: 1
Legal Description: T05216 L0028 B
Parking & Garage Information
Garage/Parking Sq. Ft: 655
Lot Information
# of Buildings: 1
Land Sq. Ft: 9,900
Legal Lot Number: 28
Acres: 0.2273
County Use Description: SINGLE FAMILY DETACHED WITH MA
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 2,070
Stories: 1.0
Lot Size: 9,900 square feet
Style: Single Family Residential
Year Built: 1979
Year Renovated: 1995
County: Contra Costa County
APN: 2094710288
Home facts updated by county records on Oct 30, 2026
Around this home
Schools
K - 12
Preschool & daycare
Bollinger Canyon Elementary School
Public K-5 • Assigned • 0.7mi
10/10
Iron Horse Middle School
Public 6-8 • Assigned • 0.9mi
10/10
California High School
Public 9-12 • Assigned • 2.2mi
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...