3836 Aragon Ln is a 2,585 square foot house on a 8,800 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on August 18, 2005 for $895,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,699,221.
Single-familyProperty Type
1979Year Built
8,800 sq ftLot Size
$657Est. Price/Sq.Ft.
3 car garageParking
Source:Public Records
Redfin Estimate
$1,699,221
$804K since sold in August 2005$15K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 2.1% higher than the average sale price ($1.66M) of 6 comparable homes.
bridgeMLS, Bay East AOR, or Contra Costa AOR #40087483
Jun 26, 2005
Listing Removed
—
Public Records
Dec 10, 1993
Sold
$330,000
$128/sq ft
Public Records
Aug 30, 1985
Sold
$239,000
$92/sq ft
Public Records
May 25, 1979
Sold
$115,500
$45/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$14,774 (+3.2%)
$676,041 + $571,497
$1,247,538
2025
$14,314 (+2.1%)
$676,041 + $571,497
$1,247,538
2024
$14,021 (+1.6%)
$662,786 + $560,292
$1,223,078
2023
$13,799 (+0.7%)
$649,791 + $549,306
$1,199,097
2022
$13,696 (+2.2%)
$637,050 + $538,536
$1,175,586
2021
$13,403 (+0.9%)
$624,559 + $527,977
$1,152,536
2020
$13,277 (+1.1%)
$612,313 + $517,625
$1,129,938
2019
$13,130 (+3.9%)
$606,035 + $512,318
$1,118,353
2018
$12,642 (+3.8%)
$594,152 + $502,273
$1,096,425
2017
$12,183 (+1.2%)
$571,081 + $482,770
$1,053,851
2016
$12,036 (+11.8%)
$571,081 + $482,770
$1,053,851
2015
$10,765 (+12.5%)
$559,884 + $473,304
$1,033,188
2014
$9,566 (+18.3%)
$434,333 + $367,167
$801,500
2013
$8,085 (+1.3%)
$434,333 + $367,167
$801,500
2012
$7,984 (−5.3%)
$364,969 + $308,531
$673,500
2011
$8,427 (+0.6%)
$364,969 + $308,531
$673,500
2010
$8,375 (−3.0%)
$387,458 + $327,542
$715,000
2009
$8,638 (−14.4%)
$387,458 + $327,542
$715,000
2008
$10,090
$401,006 + $338,994
$740,000
Tax history for 3836 Aragon Ln
Year
Property tax
Land + Additions
Assessment*
2026
$14,774 (+3.2%)
$676,041 + $571,497
$1,247,538
2025
$14,314 (+2.1%)
$676,041 + $571,497
$1,247,538
2024
$14,021 (+1.6%)
$662,786 + $560,292
$1,223,078
2023
$13,799 (+0.7%)
$649,791 + $549,306
$1,199,097
2022
$13,696 (+2.2%)
$637,050 + $538,536
$1,175,586
2021
$13,403 (+0.9%)
$624,559 + $527,977
$1,152,536
2020
$13,277 (+1.1%)
$612,313 + $517,625
$1,129,938
2019
$13,130 (+3.9%)
$606,035 + $512,318
$1,118,353
2018
$12,642 (+3.8%)
$594,152 + $502,273
$1,096,425
2017
$12,183 (+1.2%)
$571,081 + $482,770
$1,053,851
2016
$12,036 (+11.8%)
$571,081 + $482,770
$1,053,851
2015
$10,765 (+12.5%)
$559,884 + $473,304
$1,033,188
2014
$9,566 (+18.3%)
$434,333 + $367,167
$801,500
2013
$8,085 (+1.3%)
$434,333 + $367,167
$801,500
2012
$7,984 (−5.3%)
$364,969 + $308,531
$673,500
2011
$8,427 (+0.6%)
$364,969 + $308,531
$673,500
2010
$8,375 (−3.0%)
$387,458 + $327,542
$715,000
2009
$8,638 (−14.4%)
$387,458 + $327,542
$715,000
2008
$10,090
$401,006 + $338,994
$740,000
*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
Mar 18, 2024 • Final
Miscellaneous - re-roof
Reroof a residential building with composition shingles.
Roofing
Oct 19, 2020 • Final
Furnace a/c - mechanical (residential)
HVAC
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
Heating & Cooling
Air Conditioning Type: Central
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 10
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: Contemporary
Building Construction Quality: Excellent
Pool Information
Has Pool
Property Information
Living Sq. Ft: 2,585
Ground Floor Sq. Ft: 1,423
Building Sq. Ft: 2,585
# of Stories: 2
Legal Description: T05216 L0036 B
Parking & Garage Information
# of Parking Spaces: 3
Parking Type: Garage/Carport
Garage/Parking Sq. Ft: 650
Lot Information
# of Buildings: 1
Land Sq. Ft: 8,800
Legal Lot Number: 36
Acres: 0.202
County Use Description: SINGLE FAMILY DETACHED WITH MA
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,585
Stories: 2.0
Lot Size: 8,800 square feet
Style: Single Family Residential
Year Built: 1979
Year Renovated: 1980
County: Contra Costa County
APN: 2094720071
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 • 0.6mi
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...