21603 Castleton St, Cupertino, CA 95014
Property image
Property image
OFF MARKET

$3,680,700

Trulia Estimate
as of Sep 19, 2026
  • 4 Beds
  • 3 Baths
  • 2,102 sqft

21603 Castleton St, Cupertino, CA 95014

Monta Vista North

Home Highlights

Single-Family Home
2,102 sqft
$1,751/sqft
Attached Garage

Local Information

  • Map ViewExplore the area around 21603 Castleton St.
  • Schools1 Elementary School1 Middle School1 High School
  • Shop & Eat
-- mins to
Commute Destination

About this House

To view this property, please visit our public showing schedule on our website for available days and times. No appointment needed.

- Beautiful 4 Bedroom, 3 Bath Multi-Level Single Family Home
- Home Features Include Double-Pane Windows, Recessed Lighting & Remodeled Bathrooms
- Living Room w/ Decorative Fireplace
- Spacious Eat-In Kitchen w/ Tile Flooring, Refrigerator, Gas Cook-Top, Built-In Double Ovens, Dishwasher & Garbage Disposal
- Formal Dining Room w/ Access To Backyard
- Separate Family Room
- Upstairs Main Bedroom Suite w/ Remodeled Bathroom
- Two Additional Bedrooms Located Upstairs & One Downstairs
- Central Heat & Central Air Conditioning (Nest Thermostat)
- Attached Two-Car Garage & Driveway Parking
- Washer/Dryer In Garage
- Backyard w/ Deck/Patio & Swimming Pool
- Gardening & Swimming Pool Service Included
- Award Winning Cupertino Schools
- Tenant Responsible For Utilities
- One Small Dog (30 Pounds) or One Cat Okay w/ Additional $500 Deposit
- No Smoking
- 6 or 12 Month Lease Option
- Renter's Insurance Required

Rental Requirements: Household monthly gross income of at least three times the rent, good standing credit history & rental references. Please note, we can hold a property for a maximum of two weeks from the date of approval.

DRE # 01498174
21603 Castleton St, Cupertino, CA 95014 is a 4 bedroom, 3 bathroom, 2,102 sqft single-family home in Monta Vista North. It last sold for $587,500 on May 28, 1997 (8,973% above the $6,475 asking price). More recently, it was listed as a rental in October 2025 with an asking price of $6,475 per month. That rental listing was removed on October 20, 2025. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $3,680,700.

Home Details for 21603 Castleton St

Property Information

Property Type / Style
Property Type: Single Family Home

Rental Terms, Policies & Fees

Lease Term: Contact For DetailsAvailable: now

Interior Features

Appliances & Utilities
DishwasherDisposalDryerRefrigeratorWasher
Heating & Cooling
Air ConditioningCooling System: Central Air

Exterior Features

Pool
Pool
Parking & Garage
Parking: Attached, On Site

Comparable Sales for 21603 Castleton St

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
21558 Flintshire St, Cupertino, CA
0.13
Single-Family Home
$4,060,000
05/18/26
4
2.5
2,412 sqft
21630 Edward Way, Cupertino, CA
0.09
Single-Family Home
$4,000,000
01/21/26
5
3
2,412 sqft
11113 Wilkinson Ave, Cupertino, CA
0.20
Single-Family Home
$4,080,000
08/18/26
4
3
2,119 sqft
11112 Wilkinson Ave, Cupertino, CA
0.17
Single-Family Home
$3,800,000
01/12/26
3
3
2,102 sqft
10822 Wilkinson Ave, Cupertino, CA
0.29
Single-Family Home
$3,350,000
05/13/26
4
3
2,055 sqft
1041 November Dr, Cupertino, CA
0.34
Single-Family Home
$2,675,000
07/09/26
4
3
1,659 sqft
21685 Regnart Rd, Cupertino, CA
0.39
Single-Family Home
$4,015,000
04/10/26
4
2.5
2,206 sqft
1144 Elmsford Dr, Cupertino, CA
0.42
Single-Family Home
$3,500,000
06/15/26
4
3
2,331 sqft
11221 Bubb Road, Cupertino, CA
0.19
Single-Family Home
$3,650,000
10/10/25
3
2
1,766 sqft
7967 Pumpkin Dr, Cupertino, CA
0.30
Single-Family Home
$3,100,000
07/02/26
4
2
1,677 sqft

Nearby homes

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Rental Market Trends in Monta Vista North

Last updated Sep 2026
Average rent
$6.85K
$2.05KMoM
Available listings
2
View rental market trends in Cupertino, CA

Around this home

Neighborhood Overview

Monta Vista North
See Local Highlights
Neighborhood stats provided by third party data sources.

What Locals Say about Monta Vista North

At least 24 Trulia users voted on each feature.

  • 93 % Say car is needed

  • 88 % Say it's dog friendly

  • 86 % Say parking is easy

  • 84 % Say yards are well-kept

  • 81 % Say there are sidewalks

  • 79 % Say it's quiet

  • 71 % Say people would walk alone at night

  • 65 % Say there's wildlife

  • 62 % Say neighbors are friendly

  • 62 % Say streets are well-lit

  • 61 % Say there's holiday spirit

  • 53 % Say they plan to stay for at least 5 years

  • 45 % Say there are community events

  • 38 % Say kids play outside

  • 34 % Say it's walkable to restaurants

  • 23 % Say it's walkable to grocery stores

Sourced by Trulia users. Learn more about our methodology.
  • Trulia User
    "Quiet communication. Friendly Neighbors. Lots of matured trees and great foothill view. Walk way to blackberry farm and Stevens creek. Great place to raise the family. "
    0
    Flag
  • Trulia User
    "Lived here 25 years. Close to biking and running. People in general are safe and care about their surroundings. "
    2
    Flag
  • Hwong21428
    "Safe for kids, four schools near by; from elementary to community college. Commute is convenient as well, next to 280 and 85. "
    2
    Flag
  • Vince P.
    "Wonderful area for kids, schools and local commutes. If you can afford the high rents and home prices "
    3
    Flag
  • Rgmenon
    "Very family friendly neighborhood. easy, walk to elementary, middle and high school. Excellent access to everything: jobs, parks, open space preserves (McClellan Ranch, Fremont Older), golf courses (Blackberry Farm and Deep CliffO"
    0
    Flag
  • Rgmenon
    "Have lived here for 14 years and it's a wonderful, family friendly neighborhood. Walking distance to nice hikes and with McClellan Ranch park, Blackberry Farm and Fremont Older Open Space Preserve close by."
    0
    Flag
  • Will O.
    "Family-friendly neighborhood to the point of excess. If you want to do anything PG-13 or higher, you'll have to drive to Sunnyvale."
    3
    Flag
  • Chefrociogomez
    "Traffic on the way back home from work all the time. The schools traffic is always challenging (Monta Vista, Kennedy and Lincoln)."
    2
    Flag
  • V_preising
    "Good schools and a nice community. I’ve live here over 15 years and have seen it grow up. Only issue is cost for housing"
    0
    Flag
  • Titosayshi
    "It is a very good school district, in the middle of everything, and close to my workplace. It also has several parks, restaurants, and places to hang out."
    0
    Flag
  • heytae
    "A very quiet street in one of the most sought-after neighborhoods of Cupertino. Right next to a nature's preserve with deers who sometimes walk right by the home."
    0
    Flag
  • Jenny
    "Everything about this area is perfect. Very large newer houses, beautifle parks, nice mountain view and golf course within 3 - 5 minute walking distance, quiet, well landscaped. It is also near some of the best schools in California and within 10 minute drive to top companies like HP, Apple, Symantec. "
    0
    Flag

LGBTQ Local Legal Protections

Price and Tax history

DateEventPrice
Oct 20, 2025
Source: Zillow Rentals
ListingRemoved
$6,475
Oct 18, 2025
Source: Zillow Rentals
Listed For Rent
$6,475
Oct 18, 2025
Source: Zillow Rentals
ListingRemoved
$6,475
Oct 14, 2025
Source: Zillow Rentals
PriceChange
$6,475
Price decreased by 2%
Sep 24, 2025
Source: Zillow Rentals
PriceChange
$6,595
Price decreased by 1%

Frequently asked questions about 21603 Castleton St

  • What is 21603 Castleton St estimated to be worth?
    Trulia's estimated value for 21603 Castleton St in Cupertino, CA is $3,680,700.
  • What is the price history for 21603 Castleton St?
    21603 Castleton St in Cupertino, CA last sold for $587,500 in May 1997.
  • Is Cupertino a buyer's or seller's market?
    Cupertino is currently a seller's market, based on recent for-sale activity.
  • What's the median sale price in Cupertino?
    The median sale price in Cupertino is $3.03M. That is down $180K from the prior month.
  • Does 21603 Castleton St have air conditioning?
    Yes, 21603 Castleton St in Cupertino, CA has air conditioning.
  • Does 21603 Castleton St have a pool?
    Yes, 21603 Castleton St in Cupertino, CA has a pool.

Homes for rent near 21603 Castleton St

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Affordability

TIP:Try to keep your rent within a third of your gross household income. Learn why in our Renter's Guide.
For this property
PER YEAR
is the suggested income
Win over prospective landlords with your smart budgeting. As a good rule of thumb, ideally you would have at least three times your monthly rent in combined household income.
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