Google street view image for 3804 Aragon Ln, San Ramon, CA 94583

Off market oct 2002 for $517K

$1,335,823

Est. refi paymentEst. refi $2,567/mo

•

3 ba

•

1,880

sq ft

3804 Aragon Ln, San Ramon, CA 94583

About this home

3804 Aragon Ln is a 1,880 square foot house on a 5,400 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on October 18, 2002 for $517,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,335,823.

Single-familyProperty Type

1978Year Built

5,400 sq ftLot Size

$711Est. Price/Sq.Ft.

2 car garageParking

Source:Public Records

Redfin Estimate

$1,335,823

$819K since sold in October 2002$15K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 10.2% lower than the average sale price ($1.49M) of 6 comparable homes.

SOLD MAY 22, 2026
$1,350,000
A
4 beds3 baths1,880 sq ft
446 Santander Dr, San Ramon, CA 94583
SOLD OCT 6, 2026
$1,500,000
B
4 beds3 baths1,880 sq ft
429 Santander Dr, San Ramon, CA 94583
SOLD JUN 2, 2026
$1,510,000
C
4 beds3 baths1,880 sq ft
15 Pamplona Ct, San Ramon, CA 94583
SOLD OCT 15, 2026
$1,745,000
D
4 beds3 baths2,260 sq ft
3704 Anderhan Pl, San Ramon, CA 94583
SOLD JUL 31, 2026
$1,400,000
E
4 beds2.5 baths1,704 sq ft
2675 Durango Ln, San Ramon, CA 94583
SOLD OCT 5, 2026
$1,425,000
F
4 beds3 baths1,972 sq ft
3108 Sombrero Cir, San Ramon, CA 94583

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Earn from this home

Sell

$1,139,692

Est. take-home

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Est. cash available

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Rent

$4,605/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 3804 Aragon Ln

Year

Property tax

Land + Additions

Assessment*

2026

$9,473 (+3.2%)

$392,362 + $371,383

$763,745

2025

$9,179 (+2.1%)

$392,362 + $371,383

$763,745

2024

$8,987 (+1.7%)

$384,669 + $364,101

$748,770

2023

$8,838 (+0.8%)

$377,127 + $356,962

$734,089

2022

$8,772 (+2.2%)

$369,733 + $349,963

$719,696

2021

$8,581 (+1.2%)

$362,484 + $343,101

$705,585

2020

$8,479 (+1.1%)

$355,377 + $336,374

$691,751

2019

$8,388 (+3.9%)

$351,734 + $332,925

$684,659

2018

$8,077 (+3.8%)

$344,838 + $326,398

$671,236

2017

$7,781 (+1.4%)

$331,449 + $313,725

$645,174

2016

$7,676 (+1.4%)

$331,449 + $313,725

$645,174

2015

$7,571 (+1.4%)

$324,950 + $307,574

$632,524

2014

$7,463 (+10.4%)

$313,800 + $297,020

$610,820

2013

$6,761 (+0.1%)

$313,800 + $297,020

$610,820

2012

$6,754 (+4.9%)

$284,096 + $268,904

$553,000

2011

$6,440 (−6.7%)

$287,949 + $272,551

$560,500

2010

$6,906 (−0.1%)

$273,820 + $259,180

$533,000

2009

$6,913 (+3.6%)

$298,008 + $282,074

$580,082

2008

$6,675

$298,716 + $282,745

$581,461

Tax history for 3804 Aragon Ln

Year

Property tax

Land + Additions

Assessment*

2026

$9,473 (+3.2%)

$392,362 + $371,383

$763,745

2025

$9,179 (+2.1%)

$392,362 + $371,383

$763,745

2024

$8,987 (+1.7%)

$384,669 + $364,101

$748,770

2023

$8,838 (+0.8%)

$377,127 + $356,962

$734,089

2022

$8,772 (+2.2%)

$369,733 + $349,963

$719,696

2021

$8,581 (+1.2%)

$362,484 + $343,101

$705,585

2020

$8,479 (+1.1%)

$355,377 + $336,374

$691,751

2019

$8,388 (+3.9%)

$351,734 + $332,925

$684,659

2018

$8,077 (+3.8%)

$344,838 + $326,398

$671,236

2017

$7,781 (+1.4%)

$331,449 + $313,725

$645,174

2016

$7,676 (+1.4%)

$331,449 + $313,725

$645,174

2015

$7,571 (+1.4%)

$324,950 + $307,574

$632,524

2014

$7,463 (+10.4%)

$313,800 + $297,020

$610,820

2013

$6,761 (+0.1%)

$313,800 + $297,020

$610,820

2012

$6,754 (+4.9%)

$284,096 + $268,904

$553,000

2011

$6,440 (−6.7%)

$287,949 + $272,551

$560,500

2010

$6,906 (−0.1%)

$273,820 + $259,180

$533,000

2009

$6,913 (+3.6%)

$298,008 + $282,074

$580,082

2008

$6,675

$298,716 + $282,745

$581,461

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning

RS-D

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

Room Information
# of Rooms: 9

Exterior

Property Information
Subdivision Name: SUBDIVISION 4952
Living Sq. Ft: 1,880
Ground Floor Sq. Ft: 1,052
Building Sq. Ft: 1,880
# of Stories: 2
Legal Description: T04952 L0188 B

Parking & Garage Information
Garage/Parking Sq. Ft: 494

Lot Information
# of Buildings: 1
Land Sq. Ft: 5,400
Legal Lot Number: 188
Acres: 0.124
County Use Description: SINGLE FAMILY DETACHED WITH MA

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 4
Baths: 3.0
Sq. Ft.: 1,880
Stories: 2.0
Lot Size: 5,400 square feet
Style: Single Family Residential
Year Built: 1978
Year Renovated: 1979
County: Contra Costa County
APN: 2093810014

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 • 1.0mi

10/10

California High School

Public 9-12 • Assigned • 2.3mi

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 94° 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

$1.27M – $1.54M

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Home values near 3804 Aragon Ln

Data from public records.

Address	Redfin Estimate
3812 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 1880 Sq. Ft.	$1,248,354
3816 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2585 Sq. Ft.	$1,497,861
128 Laredo Ct, San Ramon, CA 4 Beds \| 3 Baths \| 1880 Sq. Ft.	$1,317,319
2599 Twin Creeks Dr, San Ramon, CA 3 Beds \| 2 Baths \| 1665 Sq. Ft.	$1,367,110
2677 Twin Creeks Dr, San Ramon, CA 3 Beds \| 2 Baths \| 1587 Sq. Ft.	$1,308,321
3780 Norris Canyon Rd, San Ramon, CA 4 Beds \| 2 Baths \| 1940 Sq. Ft.	$1,630,854
121 Laredo Ct, San Ramon, CA 4 Beds \| 3 Baths \| 1880 Sq. Ft.	$1,447,524

Address	Redfin Estimate
3820 Aragon Ln, San Ramon, CA 7 Beds \| 4 Baths \| 3180 Sq. Ft.	$1,908,482
3808 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 1992 Sq. Ft.	$1,165,506
113 Laredo Ct, San Ramon, CA 4 Beds \| 2 Baths \| 1713 Sq. Ft.	$1,437,239
129 Laredo Ct, San Ramon, CA 3 Beds \| 2 Baths \| 1730 Sq. Ft.	$1,462,545
2670 Twin Creeks Dr, San Ramon, CA 4 Beds \| 3 Baths \| 1880 Sq. Ft.	$1,433,299
3784 Norris Canyon Rd, San Ramon, CA 5 Beds \| 5 Baths \| 3770 Sq. Ft.	$1,586,654
2676 Twin Creeks Dr, San Ramon, CA 4 Beds \| 3 Baths \| 1880 Sq. Ft.	$1,360,657

Address	Redfin Estimate
3817 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2718 Sq. Ft.	$2,058,668
3833 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2585 Sq. Ft.	$1,829,574
2678 Twin Creeks Dr, San Ramon, CA 4 Beds \| 2 Baths \| 1713 Sq. Ft.	$1,435,917
2672 Twin Creeks Dr, San Ramon, CA 4 Beds \| 3 Baths \| 1880 Sq. Ft.	$1,383,255
2673 Twin Creeks Dr, San Ramon, CA 4 Beds \| 3 Baths \| 1880 Sq. Ft.	$1,334,338
2675 Twin Creeks Dr, San Ramon, CA 4 Beds \| 3 Baths \| 1880 Sq. Ft.	$1,522,337
125 Laredo Ct, San Ramon, CA 4 Beds \| 3 Baths \| 1880 Sq. Ft.	$1,500,571

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About this home

Redfin Estimate

Earn from this home

Market trends in 94583, CA

Sale history for 3804 Aragon Ln

Tax history for 3804 Aragon Ln

Zoning

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 3804 Aragon Ln

More real estate resources