Google street view image for 100 Castleton Ct, San Ramon, CA 94583

Off market aug 2015 for $806K

$1,319,321

Est. refi paymentEst. refi $5,265/mo

•

2 ba

•

1,534

sq ft

100 Castleton Ct, San Ramon, CA 94583

About this home

100 Castleton Ct is a 1,534 square foot house on a 7,220 square foot lot with 3 bedrooms and 2 bathrooms. - it last sold on August 20, 2015 for $806,000. Based on Redfin's San Ramon data, we estimate the home's value is $1,319,321.

Single-familyProperty Type

1979Year Built

7,220 sq ftLot Size

$860Est. Price/Sq.Ft.

2 car garageParking

Source:Public Records

Redfin Estimate

$1,319,321

$513K since sold in August 2015$20K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 14.2% lower than the average sale price ($1.54M) of 6 comparable homes.

SOLD JUL 31, 2026
$1,400,000
A
4 beds2.5 baths1,704 sq ft
2675 Durango Ln, San Ramon, CA 94583
SOLD JUN 26, 2026
$1,650,000
B
4 beds2 baths1,818 sq ft
418 Santander Dr, San Ramon, CA 94583
SOLD OCT 6, 2026
$1,500,000
C
4 beds3 baths1,880 sq ft
429 Santander Dr, San Ramon, CA 94583
SOLD OCT 2, 2026
$1,620,000
D
4 beds2 baths2,071 sq ft
2534 Marsh Dr, San Ramon, CA 94583
SOLD JUL 8, 2026
$1,680,000
E
4 beds2 baths2,070 sq ft
491 Santander Dr, San Ramon, CA 94583
SOLD JUL 31, 2026
$1,380,000
F
3 beds2 baths1,552 sq ft
2639 Celaya Cir, San Ramon, CA 94583

Claim this home to receive a free report every month with insights on the changing estimate.

Earn from this home

Sell

$763,057

Est. take-home

List your home with Redfin and save $6,597

Refinance

Est. cash available

Get cash now or lower your monthly rate

Rent

$3,976/mo

Redfin rental estimate

List your home for rent

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

New listings for sale

NEW 11 HRS AGO
$375,000
1 bed1 bath612 sq ft
9072 Craydon Cir, San Ramon, CA 94583
OPEN TODAY, 1PM TO 4PM
$1,890,000
4 beds2.5 baths2,337 sq ft
711 Pradera Way, San Ramon, CA 94583
COMING SOON
$1,799,000
4 beds2.5 baths2,760 sq ft
2445 Camino De Jugar, San Ramon, CA 94583
SHORT SALE
$379,000
1 bed1 bath624 sq ft
225 Reflections Dr #24, San Ramon, CA 94583
PMZ Real Estate
OPEN TODAY, 2PM TO 4PM
$1,299,900
4 beds2 baths1,883 sq ft
804 Bolivar Pl, San Ramon, CA 94583
OPEN TODAY, 1PM TO 4PM
$1,599,000
4 beds3.5 baths2,121 sq ft
1002 Sinopia Ter, San Ramon, CA 94583
OPEN TODAY, 1PM TO 4PM
$999,999
4 beds2 baths1,812 sq ft
217 Kent Pl, San Ramon, CA 94583
OPEN TODAY, 1:30PM TO 4PM
$1,328,888
4 beds2 baths1,812 sq ft
7527 Blue Fox Way, San Ramon, CA 94583
COMING SOON
$1,250,000
4 beds2.5 baths1,936 sq ft
211 Forest Creek Ln, San Ramon, CA 94583
EARLY ACCESS
$2,699,888
5 beds4 baths3,342 sq ft
6007 Westside Dr, San Ramon, CA 94583
See all

Provided by Redfin

Sale history for 100 Castleton Ct

Year

Property tax

Land + Additions

Assessment*

2026

$11,769 (+3.2%)

$706,368 + $266,847

$973,215

2025

$11,402 (+104.2%)

$706,368 + $266,847

$973,215

2024

$5,583 (−49.2%)

$692,518 + $261,615

$954,133

2023

$10,986 (+0.8%)

$678,940 + $256,486

$935,426

2022

$10,904 (+2.2%)

$665,628 + $251,457

$917,085

2021

$10,669 (+1.1%)

$652,577 + $246,527

$899,104

2020

$10,557 (+1.1%)

$639,782 + $241,694

$881,476

2019

$10,441 (+3.9%)

$633,222 + $239,216

$872,438

2018

$10,053 (+3.8%)

$620,806 + $234,526

$855,332

2017

$9,687 (+1.3%)

$596,700 + $225,420

$822,120

2016

$9,564 (+41.0%)

$596,700 + $225,420

$822,120

2015

$6,783 (+1.5%)

$585,000 + $221,000

$806,000

2014

$6,682 (+13.2%)

$379,076 + $167,952

$547,028

2013

$5,905 (+1.4%)

$379,076 + $167,952

$547,028

2012

$5,823 (+0.3%)

$334,013 + $147,987

$482,000

2011

$5,807 (−7.0%)

$334,013 + $147,987

$482,000

2010

$6,246 (−5.7%)

$334,013 + $147,987

$482,000

2009

$6,625 (−7.0%)

$360,000 + $159,500

$519,500

2008

$7,122

$348,717 + $206,283

$555,000

Tax history for 100 Castleton Ct

Year

Property tax

Land + Additions

Assessment*

2026

$11,769 (+3.2%)

$706,368 + $266,847

$973,215

2025

$11,402 (+104.2%)

$706,368 + $266,847

$973,215

2024

$5,583 (−49.2%)

$692,518 + $261,615

$954,133

2023

$10,986 (+0.8%)

$678,940 + $256,486

$935,426

2022

$10,904 (+2.2%)

$665,628 + $251,457

$917,085

2021

$10,669 (+1.1%)

$652,577 + $246,527

$899,104

2020

$10,557 (+1.1%)

$639,782 + $241,694

$881,476

2019

$10,441 (+3.9%)

$633,222 + $239,216

$872,438

2018

$10,053 (+3.8%)

$620,806 + $234,526

$855,332

2017

$9,687 (+1.3%)

$596,700 + $225,420

$822,120

2016

$9,564 (+41.0%)

$596,700 + $225,420

$822,120

2015

$6,783 (+1.5%)

$585,000 + $221,000

$806,000

2014

$6,682 (+13.2%)

$379,076 + $167,952

$547,028

2013

$5,905 (+1.4%)

$379,076 + $167,952

$547,028

2012

$5,823 (+0.3%)

$334,013 + $147,987

$482,000

2011

$5,807 (−7.0%)

$334,013 + $147,987

$482,000

2010

$6,246 (−5.7%)

$334,013 + $147,987

$482,000

2009

$6,625 (−7.0%)

$360,000 + $159,500

$519,500

2008

$7,122

$348,717 + $206,283

$555,000

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

Zoning

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

Property details

Interior

Heating & Cooling
Heating Type: Forced Air

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Room Information
# of Rooms: 9

Exterior

Exterior Information
Physical Condition: Good
Building Style Type: Ranch
Construction Type: Frame
Building Construction Quality: Average
Exterior Wall: Stucco

Property Information
Subdivision Name: SUBDIVISION 5360
Living Sq. Ft: 1,534
Ground Floor Sq. Ft: 1,534
Building Sq. Ft: 1,974
# of Stories: 1
Legal Description: T05360 L0001 B EX MR

Parking & Garage Information
# of Parking Spaces: 2
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 440
Garage / Carport Type: Attached

Lot Information
# of Buildings: 1
Land Sq. Ft: 7,220
Legal Lot Number: 1
Acres: 0.1657
County Use Description: SINGLE FAMILY DETACHED WITH MA

Utility Information
Sewer Type: Public
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 1,534
Stories: 1.0
Lot Size: 7,220 square feet
Style: Single Family Residential
Year Built: 1979
Year Renovated: 1990
County: Contra Costa County
APN: 2095600017

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 • 0.8mi

10/10

California High School

Public 9-12 • Assigned • 2.1mi

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
Was this helpful?

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

$1.25M – $1.52M

Reach more buyers when you sell with Redfin. Save up to $13,193 in fees. 3 minutes to get started.

Need the cash from your home fast? Sell to .

Nearby similar homes

OPEN TODAY, 1PM TO 4PM3D WALKTHROUGH

$1,488,000

4 beds3.5 baths2,341 sq ft

6012 Sunglow Ter, San Ramon, CA 94583

Landscaped entrance • Quartz counters • Upgraded backsplash

OPEN TODAY, 1PM TO 4PM

$1,849,888

4 beds2.5 baths2,479 sq ft

4 Woodview Ct, San Ramon, CA 94582

Private cul-de-sac • Brand new flooring • Fully paid off solar

$1,595,000

4 beds3 baths2,113 sq ft

2782 Canyon Creek Dr, San Ramon, CA 94583

Cozy fireplace • Remodeled kitchen • Expansive deck

OPEN TODAY, 1:30PM TO 4PM

$1,499,000

4 beds3 baths2,450 sq ft

1045 El Capitan, Danville, CA 94526

Hardwood flooring • Crown molding • Recessed lighting

OPEN TODAY, 1PM TO 4PM3D WALKTHROUGH

$1,179,000

3 beds2 baths1,382 sq ft

2816 Aptos Way, San Ramon, CA 94583

Updated kitchen • Walk in closet • Dual pane windows

$1,988,000

4 beds3 baths2,344 sq ft

92 Dubost Ct, Danville, CA 94526

Double lot • Finished backyard • Drive-through garage

New listings for sale in 94583

NEW 11 HRS AGO

$375,000

1 bed1 bath612 sq ft

9072 Craydon Cir, San Ramon, CA 94583

Updated kitchen • Granite counters • Stainless appliances

OPEN TODAY, 1PM TO 4PM3D WALKTHROUGH

$1,890,000

4 beds2.5 baths2,337 sq ft

711 Pradera Way, San Ramon, CA 94583

Updated kitchen • Quartz countertops • Walk-in closet

COMING SOON

$1,799,000

4 beds2.5 baths2,760 sq ft

2445 Camino De Jugar, San Ramon, CA 94583

Swimming pool • Separate family room • Updated fireplace

SHORT SALE

$379,000

1 bed1 bath624 sq ft

225 Reflections Dr #24, San Ramon, CA 94583

Gated community • Updated kitchen • Swimming pool

PMZ Real Estate

OPEN TODAY, 2PM TO 4PM

$1,299,900

4 beds2 baths1,883 sq ft

804 Bolivar Pl, San Ramon, CA 94583

Corner lot • Expansive yard • Stamped concrete

OPEN TODAY, 1PM TO 4PM

$1,599,000

4 beds3.5 baths2,121 sq ft

1002 Sinopia Ter, San Ramon, CA 94583

Designer finishes • Full bath • Private yard

OPEN TODAY, 1PM TO 4PM

$999,999

4 beds2 baths1,812 sq ft

217 Kent Pl, San Ramon, CA 94583

Single story living • Generous flat lot • Conveniently located

OPEN TODAY, 1:30PM TO 4PM3D WALKTHROUGH

$1,328,888

4 beds2 baths1,812 sq ft

7527 Blue Fox Way, San Ramon, CA 94583

New water heater • Fresh interior paint • Fresh exterior paint

COMING SOON

$1,250,000

4 beds2.5 baths1,936 sq ft

211 Forest Creek Ln, San Ramon, CA 94583

Updated flooring • New carpet • Modern lighting

Home values near 100 Castleton Ct

Data from public records.

Address	Redfin Estimate
120 Castleton Ct, San Ramon, CA 4 Beds \| 3 Baths \| 2042 Sq. Ft.	$1,498,287
124 Castleton Ct, San Ramon, CA 4 Beds \| 3 Baths \| 2103 Sq. Ft.	$1,524,169
128 Castleton Ct, San Ramon, CA 4 Beds \| 3 Baths \| 2103 Sq. Ft.	$1,441,656
3885 Aragon Ln, San Ramon, CA 4 Beds \| 4 Baths \| 2893 Sq. Ft.	$1,630,176
3877 Aragon Ln, San Ramon, CA 4 Beds \| 2 Baths \| 1893 Sq. Ft.	$1,673,244
3889 Aragon Ln, San Ramon, CA 3 Beds \| 2 Baths \| 2070 Sq. Ft.	$1,630,628
3879 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2585 Sq. Ft.	$1,703,418

Address	Redfin Estimate
108 Castleton Ct, San Ramon, CA 3 Beds \| 3 Baths \| 1723 Sq. Ft.	$1,328,105
112 Castleton Ct, San Ramon, CA 3 Beds \| 3 Baths \| 2042 Sq. Ft.	$1,344,423
136 Castleton Ct, San Ramon, CA 3 Beds \| 3 Baths \| 2042 Sq. Ft.	$1,474,550
3890 Aragon Ln, San Ramon, CA 4 Beds \| 2 Baths \| 1893 Sq. Ft.	$1,429,022
3869 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2106 Sq. Ft.	$1,538,050
3893 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2718 Sq. Ft.	$1,660,231
509 Cartagena Ln, San Ramon, CA 3 Beds \| 2 Baths \| 1552 Sq. Ft.	$1,373,963

Address	Redfin Estimate
116 Castleton Ct, San Ramon, CA 4 Beds \| 3 Baths \| 2103 Sq. Ft.	$1,418,358
132 Castleton Ct, San Ramon, CA 3 Beds \| 2 Baths \| 1534 Sq. Ft.	$1,393,968
104 Castleton Ct, San Ramon, CA 3 Beds \| 2 Baths \| 1534 Sq. Ft.	—
3873 Aragon Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2585 Sq. Ft.	$1,690,021
501 Cartagena Ln, San Ramon, CA 4 Beds \| 3 Baths \| 2585 Sq. Ft.	$1,552,871
3865 Aragon Ln, San Ramon, CA 4 Beds \| 2 Baths \| 2070 Sq. Ft.	$1,592,913
3857 Aragon Ln, San Ramon, CA 4 Beds \| 2 Baths \| 1815 Sq. Ft.	$1,530,618

Download the Redfin App on the Apple App Store

Download the Redfin App from the Google Play Store

Join us

Become an Agent

Get referrals

Careers

Find homes faster

About us

Find us

Subsidiaries

Affiliated Business

Countries

United States

Canada

Updated September 2025: By searching, you agree to the Terms of Use, and Privacy Policy.

Do not sell or share my personal information.

REDFIN and all REDFIN variants, WALK SCORE, and the R logos, are trademarks of Redfin Corporation, registered or pending in the USPTO.

Redfin Brokerage Licenses

California DRE #01521930

Redfin is licensed to do business in New York as Redfin Real Estate. NY Standard Operating Procedures

New Mexico Real Estate Licenses

TREC: Info About Brokerage Services, Consumer Protection Notice

All mortgage lending products and information are provided by Rocket Mortgage, LLC | NMLS #3030; www.NMLSConsumerAccess.org. Licensed in 50 states. This site is not authorized by the New York State Department of Financial Services for mortgage solicitation or loan applications activities related to properties located in the State of New York.

Redfin Corporation is an affiliated business of Rocket Limited Partnership. Each company, and their subsidiaries, are separate legal entities operated and managed through its own management and governance structures.

If you are using a screen reader, or having trouble reading this website, please call Redfin Customer Support for help at 1-844-759-7732.

REDFIN IS COMMITTED TO AND ABIDES BY THE FAIR HOUSING ACT AND EQUAL OPPORTUNITY ACT. READ REDFIN'S FAIR HOUSING POLICY AND THE NEW YORK STATE FAIR HOUSING NOTICE.

GreatSchools Ratings provided by GreatSchools.org.

94552 homes for sale
94506 homes for sale
94582 homes for sale
94583 homes for sale
94568 homes for sale

Houses for rent in San Ramon	Agents near me	Irvine, CA homes for sale	San Ramon Housing Market
Houses for sale near me	San Diego, CA homes for sale	Fremont, CA homes for sale
Land for sale near me	San Francisco, CA homes for sale	Sacramento, CA homes for sale
Open Houses near me	Los Angeles, CA homes for sale	San Ramon Property Records
Condos for sale near me	San Jose, CA homes for sale	CA New Listings

Oakland homes for sale
San Jose homes for sale
Fremont homes for sale

About this home

Redfin Estimate

Earn from this home

Market trends in 94583, CA

Sale history for 100 Castleton Ct

Tax history for 100 Castleton Ct

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 100 Castleton Ct

More real estate resources