Google street view image for 3840 Aragon Ln, San Ramon, CA 94583

Off market jun 2011 for $630K

$1,617,003

Est. refi paymentEst. refi $4,162/mo

•

4 ba

•

3,038

sq ft

3840 Aragon Ln, San Ramon, CA 94583

About this home

3840 Aragon Ln is a 3,038 square foot house on a 9,350 square foot lot with 5 bedrooms and 4 bathrooms. - it last sold on June 28, 2011 for $630,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,617,003.

Single-familyProperty Type

1979Year Built

9,350 sq ftLot Size

$532Est. Price/Sq.Ft.

3 car garageParking

Source:Public Records

Redfin Estimate

$1,617,003

$987K since sold in June 2011$4,000 since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 0.4% higher than the average sale price ($1.61M) of 6 comparable homes.

SOLD OCT 15, 2026
$1,745,000
A
4 beds3 baths2,260 sq ft
3704 Anderhan Pl, San Ramon, CA 94583
SOLD AUG 3, 2026
$1,580,000
B
4 beds3 baths2,586 sq ft
2517 Aranda Dr, San Ramon, CA 94583
SOLD SEP 29, 2026
$1,450,000
C
5 beds3 baths3,238 sq ft
420 Blanco Ct, San Ramon, CA 94583
SOLD AUG 19, 2026
$1,615,000
D
5 beds3.5 baths2,998 sq ft
900 Woodland Dr, San Ramon, CA 94582
SOLD FEB 12, 2026
$1,775,000
E
4 beds3 baths2,585 sq ft
2632 Campeche Ct, San Ramon, CA 94583
SOLD OCT 6, 2026
$1,500,000
F
4 beds3 baths1,880 sq ft
429 Santander Dr, San Ramon, CA 94583

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Earn from this home

Sell

$1,213,110

Est. take-home

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Est. cash available

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Rent

$6,482/mo

Redfin rental estimate

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Market trends in 94583, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

100.0%

+0.7% MoM

Median sale price

$1.4M

$50K MoM

Avg. days on market

29d

7 days MoM

Recently sold homes

0 MoM

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Provided by Redfin

Sale history for 3840 Aragon Ln

Year

Property tax

Land + Additions

Assessment*

2026

$10,126 (+3.2%)

$535,782 + $287,489

$823,271

2025

$9,811 (+2.1%)

$535,782 + $287,489

$823,271

2024

$9,607 (+1.7%)

$525,277 + $281,852

$807,129

2023

$9,448 (+0.8%)

$514,978 + $276,326

$791,304

2022

$9,378 (+2.2%)

$504,881 + $270,908

$775,789

2021

$9,174 (+1.2%)

$494,982 + $265,597

$760,579

2020

$9,070 (+1.1%)

$485,277 + $260,390

$745,667

2019

$8,972 (+3.9%)

$480,302 + $257,721

$738,023

2018

$8,639 (+3.8%)

$470,885 + $252,668

$723,553

2017

$8,323 (+1.3%)

$452,600 + $242,857

$695,457

2016

$8,212 (+1.4%)

$452,600 + $242,857

$695,457

2015

$8,102 (+1.4%)

$443,726 + $238,096

$681,822

2014

$7,988 (+1.3%)

$428,500 + $229,927

$658,427

2013

$7,886 (+4.2%)

$428,500 + $229,927

$658,427

2012

$7,572 (−5.5%)

$426,564 + $228,888

$655,452

2011

$8,011 (+1.3%)

$418,200 + $224,400

$642,600

2010

$7,905 (−0.1%)

$287,916 + $388,923

$676,839

2009

$7,913 (+3.5%)

$285,765 + $386,017

$671,782

2008

$7,646

$286,444 + $386,935

$673,379

Tax history for 3840 Aragon Ln

Year

Property tax

Land + Additions

Assessment*

2026

$10,126 (+3.2%)

$535,782 + $287,489

$823,271

2025

$9,811 (+2.1%)

$535,782 + $287,489

$823,271

2024

$9,607 (+1.7%)

$525,277 + $281,852

$807,129

2023

$9,448 (+0.8%)

$514,978 + $276,326

$791,304

2022

$9,378 (+2.2%)

$504,881 + $270,908

$775,789

2021

$9,174 (+1.2%)

$494,982 + $265,597

$760,579

2020

$9,070 (+1.1%)

$485,277 + $260,390

$745,667

2019

$8,972 (+3.9%)

$480,302 + $257,721

$738,023

2018

$8,639 (+3.8%)

$470,885 + $252,668

$723,553

2017

$8,323 (+1.3%)

$452,600 + $242,857

$695,457

2016

$8,212 (+1.4%)

$452,600 + $242,857

$695,457

2015

$8,102 (+1.4%)

$443,726 + $238,096

$681,822

2014

$7,988 (+1.3%)

$428,500 + $229,927

$658,427

2013

$7,886 (+4.2%)

$428,500 + $229,927

$658,427

2012

$7,572 (−5.5%)

$426,564 + $228,888

$655,452

2011

$8,011 (+1.3%)

$418,200 + $224,400

$642,600

2010

$7,905 (−0.1%)

$287,916 + $388,923

$676,839

2009

$7,913 (+3.5%)

$285,765 + $386,017

$671,782

2008

$7,646

$286,444 + $386,935

$673,379

*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

Property details

Interior

Heating & Cooling
Air Conditioning Type: Central
Heating Fuel Type: Gas
Heating Type: Forced Air

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 11

Exterior

Exterior Information
Physical Condition: Good
Foundation Type: Raised W/Crawlspace
Building Style Type: Ranch
Building Construction Quality: Good
Exterior Wall: Stucco

Pool Information
Has Pool

View Information
View: Good

Property Information
Subdivision Name: TWIN CRKS SOUTH SUB 5216
Living Sq. Ft: 3,038
Ground Floor Sq. Ft: 1,748
Building Sq. Ft: 3,038
# of Stories: 2
Legal Description: T05216 L0035 B

Parking & Garage Information
# of Parking Spaces: 3
Parking Type: Garage/Carport
Garage/Parking Sq. Ft: 623

Lot Information
# of Buildings: 1
Land Sq. Ft: 9,350
Legal Lot Number: 35
Acres: 0.2146
County Use Description: SINGLE FAMILY

Utility Information
Sewer Type: Public
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 5
Baths: 4.0
Sq. Ft.: 3,038
Stories: 2.0
Lot Size: 9,350 square feet
Style: Single Family Residential
Year Built: 1979
Year Renovated: 1995
County: Contra Costa County
APN: 2094720063

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...
2 months ago • San Ramon
Gagan Singh
Redfin Premier agent
656 deals
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Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

4/10 Fire Factor

3% chance of being in a wildfire in next 30 years

3/10 Heat Factor

8 days above 97° expected this year, 16 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

8/10 Air Factor

14 unhealthy days expected this year, 15 days in 30 years

Provided by First Street

Historical weather

San Ramon, CA • 94583

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 11.6 hours in June and 4.8 hours in December, placing it above the U.S. average for solar exposure.

11.6 hrs

4.8 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.54M – $1.86M

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Home values near 3840 Aragon Ln

Data from public records.

Address	Redfin Estimate
3832 Aragon Ln, San Ramon, CA 4 Beds \| 2.5 Baths \| 2403 Sq. Ft.	$1,793,194
3837 Aragon Ln, San Ramon, CA 4 Beds \| 2 Baths \| 1893 Sq. Ft.	$1,534,330
3853 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2585 Sq. Ft.	$1,558,115
3836 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2585 Sq. Ft.	$1,699,221
3833 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2585 Sq. Ft.	$1,829,574
501 Cartagena Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2585 Sq. Ft.	$1,552,871
2681 Twin Creeks Dr, San Ramon, CA 4 Beds \| 3 Baths \| 1880 Sq. Ft.	$1,464,074

Address	Redfin Estimate
3817 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2718 Sq. Ft.	$2,058,668
3828 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2585 Sq. Ft.	$1,690,990
3865 Aragon Ln, San Ramon, CA 4 Beds \| 2 Baths \| 2070 Sq. Ft.	$1,592,913
3841 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2585 Sq. Ft.	$1,750,316
514 Cartagena Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2585 Sq. Ft.	$1,810,999
2677 Twin Creeks Dr, San Ramon, CA 3 Beds \| 2 Baths \| 1587 Sq. Ft.	$1,308,321
140 Castleton Ct, San Ramon, CA 3 Beds \| 3 Baths \| 2042 Sq. Ft.	$1,510,053

Address	Redfin Estimate
3845 Aragon Ln, San Ramon, CA 3 Beds \| 2 Baths \| 1552 Sq. Ft.	$1,459,676
3849 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2585 Sq. Ft.	$1,798,162
3857 Aragon Ln, San Ramon, CA 4 Beds \| 2 Baths \| 1815 Sq. Ft.	$1,530,618
3861 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2585 Sq. Ft.	$1,601,858
2685 Twin Creeks Dr, San Ramon, CA 4 Beds \| 2 Baths \| 1713 Sq. Ft.	$1,274,543
510 Cartagena Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2585 Sq. Ft.	$2,067,510
505 Cartagena Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2585 Sq. Ft.	$1,781,127

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About this home

Redfin Estimate

Earn from this home

Market trends in 94583, CA

Sale history for 3840 Aragon Ln

Tax history for 3840 Aragon Ln

Zoning and permits

Property details

Around this home

Schools

Lifestyle

Local insights from Redfin agents

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94583

Home values near 3840 Aragon Ln

More real estate resources