Off market jul 2018 for $2.7M

$3,750,511

Est. refi paymentEst. refi $11,667/mo

•

2,300

sq ft

21683 Castleton St, Cupertino, CA 95014

About this home

Nestled in prime sought-after West of Bubb neighborhood, stunning remodel offers serenity in the heart of Silicon Valley and close proximity to top Cupertino schools! The newly upgraded design and finish touches meet the most discriminating buyer's taste! Beautiful landscaped front yard leads to an open and sunny floor plan. Formal living room with gas burning fireplace, new flooring and bay window showcasing front yard views. Elegant dining room conveniently located adjacent to the kitchen, ideal for social gatherings and entertaining guests. Remodeled gourmet kitchen with quartz counter tops, gas cook tops, abundance of cabinetry, breakfast nook, new designer's light fixtures and access to back yard. Separate family room offers an endless potential use of space for relaxing and play. Luxurious master suite with two closets, dual sink and new light fixtures. Well-proportioned secondary bedrooms, each with ample closet space. Serene back yard with sparkling pool, lawn area and deck.

Single-familyProperty Type

1966Year Built

7,607 sq ftLot Size

$1,631Est. Price/Sq.Ft.

2 car garageParking

Listed by Mary Tan •DRE #00861682 • Coldwell Banker Realty

Listed by George Tan •DRE #01891525 • Coldwell Banker Realty

Bought with Alex Wang Alex Wang Group •DRE #70010071 • Sereno

Redfin checked: a few seconds ago

•Source:Greater Lansing AoR #ML81708805

Listing provided courtesy of Greater Lansing AoR

Redfin Estimate

$3,750,511

$1.0M since sold in July 2018$67K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 5.4% higher than the average sale price ($3.56M) of 5 comparable homes.

SOLD AUG 18, 2026
$4,080,000
A
4 beds3 baths2,119 sq ft
11113 Wilkinson Ave, Cupertino, CA 95014
SOLD OCT 8, 2026
$3,530,000
B
4 beds3 baths2,119 sq ft
10936 Linda Vista Dr, Cupertino, CA 95014
SOLD OCT 13, 2026
$3,270,000
C
4 beds2.5 baths1,787 sq ft
21446 Holly Oak Dr, Cupertino, CA 95014
SOLD SEP 28, 2026
$3,869,000
D
5 beds3 baths2,412 sq ft
21570 Edward Way, Cupertino, CA 95014
SOLD OCT 21, 2026
$3,050,000
E
5 beds3 baths2,133 sq ft
829 Rose Blossom Dr, Cupertino, CA 95014

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Earn from this home

Sell

$1,747,609

Est. take-home

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Est. cash available

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Rent

$6,724/mo

Redfin rental estimate

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Market trends in 95014, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

103.9%

1.4% MoM

Median sale price

$2.9M

$78K MoM

Avg. days on market

13d

0 days MoM

Recently sold homes

19 MoM

New listings for sale

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3D WALKTHROUGH
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COMING SOON
$3,880,000
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3D WALKTHROUGH
$2,898,000
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3D WALKTHROUGH
$2,698,000
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OPEN SAT, 1:30PM TO 4:30PM
$3,888,000
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See all

Provided by Redfin

Sale history for 21683 Castleton St

Date

Event

Price

Greater Lansing AoR #ML81708805

Jul 11, 2018

Sold

$2,730,000

$1,187/sq ft

Jun 13, 2018

Pending

—

Jun 5, 2018

Listed

$2,588,000

$1,125/sq ft

Year

Property tax

Land + Additions

Assessment*

2025

$36,542 (+2.8%)

$2,958,353 + $147,915

$3,106,268

2024

$35,547 (+0.8%)

$2,900,347 + $145,015

$3,045,362

2023

$35,252 (+1.5%)

$2,843,478 + $142,172

$2,985,650

2022

$34,739 (+1.0%)

$2,787,724 + $139,385

$2,927,109

2021

$34,390 (+8.5%)

$2,733,063 + $136,652

$2,869,715

2020

$31,687 (−4.5%)

$2,679,474 + $133,973

$2,813,447

2019

$33,175 (+1,447.2%)

$2,466,600 + $123,400

$2,590,000

2018

$2,144 (+2.3%)

$2,600,000 + $130,000

$2,730,000

2017

$2,096 (+4.7%)

$25,257 + $97,124

$122,381

2016

$2,002 (+2.2%)

$25,257 + $97,124

$122,381

2015

$1,959 (+2.6%)

$24,762 + $95,220

$119,982

2014

$1,909 (+5.4%)

$23,914 + $91,953

$115,867

2012

$1,812 (+3.3%)

$23,806 + $91,538

$115,344

2011

$1,755 (+2.8%)

$23,340 + $89,744

$113,084

2010

$1,707

$22,883 + $87,985

$110,868

2009

$1,705 (+5.8%)

$22,712 + $87,328

$110,040

2008

$1,612

$22,320 + $85,820

$108,140

Tax history for 21683 Castleton St

Year

Property tax

Land + Additions

Assessment*

2025

$36,542 (+2.8%)

$2,958,353 + $147,915

$3,106,268

2024

$35,547 (+0.8%)

$2,900,347 + $145,015

$3,045,362

2023

$35,252 (+1.5%)

$2,843,478 + $142,172

$2,985,650

2022

$34,739 (+1.0%)

$2,787,724 + $139,385

$2,927,109

2021

$34,390 (+8.5%)

$2,733,063 + $136,652

$2,869,715

2020

$31,687 (−4.5%)

$2,679,474 + $133,973

$2,813,447

2019

$33,175 (+1,447.2%)

$2,466,600 + $123,400

$2,590,000

2018

$2,144 (+2.3%)

$2,600,000 + $130,000

$2,730,000

2017

$2,096 (+4.7%)

$25,257 + $97,124

$122,381

2016

$2,002 (+2.2%)

$25,257 + $97,124

$122,381

2015

$1,959 (+2.6%)

$24,762 + $95,220

$119,982

2014

$1,909 (+5.4%)

$23,914 + $91,953

$115,867

2012

$1,812 (+3.3%)

$23,806 + $91,538

$115,344

2011

$1,755 (+2.8%)

$23,340 + $89,744

$113,084

2010

$1,707

$22,883 + $87,985

$110,868

2009

$1,705 (+5.8%)

$22,712 + $87,328

$110,040

2008

$1,612

$22,320 + $85,820

$108,140

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

Public record

Public record
Zoning
Permits

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

7,607

Year renovated

2018

Sq. Ft.

2,300

Year built

1966

Style

Single Family Residential

County

Santa Clara County

APN

35618066

Parking Spaces

Basement

Accessible

HOA Dues

—

Garage

Yes

Features

Green, Pool

Last updated by owner on Sep 2, 2022.

R1-7.5

Single-Family Residential Zone

Single-family residence districts are intended to create, preserve and enhance areas suitable for detached dwellings in order to: Enhance the identity of residential neighborhoods; Ensure provision of light, air and a reasonable level of privacy to individual residential parcels; Ensure a reasonable level of compatibility in scale of structures within residential neighborhoods; and Reinforce the predominantly low-intensity setting in the community.

Permitted uses

Include but are not limited to:

Housing-Single unit
Housing-Senior
Housing-Other
Infrastructure

Dec 7, 2022 • Final

Residential electrical

Upgrade the electrical service panel.

Electrical

Dec 7, 2022 • Final

Residential solar

Install a roof-mounted photovoltaic system with a load center and energy storage system. The project includes an increase in system size, a module swap, and updates to the electrical tie-in and powerwall configuration.

Battery

Electrical

Solar

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

Parking

Parking & Garage Information
# of Garage Spaces: 2
Total Parking Spaces: 2
Has Attached Garage: Yes
Parking Features: Attached

Interior

Bedroom Information
# of Bedrooms: 5

Bathroom Information
# of Baths (Full): 2
# of Baths (1/2): 1

Heating & Cooling
Cooling: Central Air
Has Cooling: Yes
Heating: Central, Fireplace(s)
Has Heating: Yes

Interior Features
Appliances: Dishwasher, Gas Cooktop, Disposal, Range Hood, Self Cleaning Oven, Vented Exhaust Fan
Fireplace Features: Gas Starter, Living Room
Has Fireplace: Yes
Flooring: Laminate, Tile, Wood

Pool Features
Pool Features: In Ground

Exterior

Property Information
New Construction: No
Year Built: 1966
Living Area: 2300.0

Lot Information
Lot Size Acres: 0.1746
Lot Size Area: 7607.0
Lot Size Square Feet: 7607.0
Lot Size Units: Square Feet
Zoning: R1

Location

HOA Information
AssociationYN: No

Location Information
Directions: Cross Street: Sutherland / Wilkinson

Public facts

Beds: 5
Baths: 3.0
Sq. Ft.: 2,300
Stories: 2.0
Parking Spaces: 2
Basement: No
Accessible: No
Lot Size: 7,607 square feet
Style: Single Family Residential
Year Built: 1966
Year Renovated: 2018
County: Santa Clara County
APN: 35618066
HOA Dues: —
Garage: Yes
Features: Green, Pool

Home facts updated by owner on Sep 2, 2022

Other

Miscellaneous Information
Foundation Details: Concrete Perimeter

Around this home

Schools

K - 12
Preschool & daycare

Abraham Lincoln Elementary School

Public K-5 • Assigned • 0.5mi

9/10

John F. Kennedy Middle School

Public 6-8 • Assigned • 0.3mi

9/10

Monta Vista High School

Public 9-12 • Assigned • 0.5mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

The Cupertino housing market remains competitive. Over the past three months, homes have received an average of four offers and sold in about 10 days. The median home sale price reached $3.2 million, representing a 15.3% increase year over year.
4 weeks ago • Cupertino
Fifi Li
Redfin Premier agent
124 deals
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Climate risks

1/10 Flood Factor

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

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

4/10 Heat Factor

8 days above 95° expected this year, 17 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

8/10 Air Factor

16 unhealthy days expected this year, 17 days in 30 years

Provided by First Street

Historical weather

Cupertino, CA • 95014

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 10.8 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

10.8 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$3.61M – $4.36M

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Home values near 21683 Castleton St

Data from public records.

Address	Redfin Estimate
21623 Castleton Street, Cupertino, CA 3 Beds \| 2 Baths \| 1571 Sq. Ft.	$3,012,580
21713 Castleton Street, Cupertino, CA 4 Beds \| 3 Baths \| 2055 Sq. Ft.	$3,442,205
21743 Castleton Street, Cupertino, CA 4 Beds \| 3 Baths \| 2934 Sq. Ft.	$4,237,094
21692 Columbus Avenue, Cupertino, CA 4 Beds \| 2.5 Baths \| 2300 Sq. Ft.	$3,847,055
11129 Sutherland Avenue, Cupertino, CA 5 Beds \| 2.5 Baths \| 2300 Sq. Ft.	$4,018,592
21682 Columbus Avenue, Cupertino, CA 4 Beds \| 3 Baths \| 2119 Sq. Ft.	$3,585,793
11117 Palos Verdes Drive, Cupertino, CA 3 Beds \| 2 Baths \| 1571 Sq. Ft.	$3,256,830

Address	Redfin Estimate
21673 Castleton Street, Cupertino, CA 4 Beds \| 3 Baths \| 2119 Sq. Ft.	$3,664,364
21643 Castleton Street, Cupertino, CA 5 Beds \| 4.5 Baths \| 2895 Sq. Ft.	$3,678,258
21703 Castleton Street, Cupertino, CA 4 Beds \| 2 Baths \| 1888 Sq. Ft.	$3,532,460
11119 Sutherland Avenue, Cupertino, CA 4 Beds \| 3 Baths \| 2483 Sq. Ft.	$4,279,313
21712 Columbus Avenue, Cupertino, CA 4 Beds \| 3 Baths \| 2119 Sq. Ft.	$3,509,655
11108 Sutherland Avenue, Cupertino, CA 4 Beds \| 2.5 Baths \| 2055 Sq. Ft.	$4,057,068
21742 Columbus Avenue, Cupertino, CA 3 Beds \| 2 Baths \| 1900 Sq. Ft.	$3,398,994

Address	Redfin Estimate
21723 Castleton Street, Cupertino, CA 4 Beds \| 3 Baths \| 2119 Sq. Ft.	$3,746,110
21663 Castleton Street, Cupertino, CA 5 Beds \| 3 Baths \| 2822 Sq. Ft.	$4,191,813
11120 Chadwick Place, Cupertino, CA 4 Beds \| 3 Baths \| 2102 Sq. Ft.	$3,681,880
11107 Palos Verdes Drive, Cupertino, CA 3 Beds \| 2.5 Baths \| 2119 Sq. Ft.	$3,618,009
21702 Columbus Avenue, Cupertino, CA 4 Beds \| 3 Baths \| 2119 Sq. Ft.	$3,557,200
11109 Sutherland Avenue, Cupertino, CA 4 Beds \| 2.5 Baths \| 2055 Sq. Ft.	$3,675,942
21662 Columbus Avenue, Cupertino, CA 4 Beds \| 2 Baths \| 2197 Sq. Ft.	$3,606,884

Property information provided by Greater Lansing AoR when last listed in 2018. This data may not show owner updates. Learn more.

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About this home

Redfin Estimate

Earn from this home

Market trends in 95014, CA

Sale history for 21683 Castleton St

Tax history for 21683 Castleton St

Public record

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 95014

Home values near 21683 Castleton St

More real estate resources