21604 Castleton St, Cupertino, CA 95014
OFF MARKET

21604 Castleton St
Cupertino, CA 95014

Monta Vista North
  • 4 Beds
  • 3 Baths
  • 2,248 sqft

$3,799,300

Trulia Estimate
as of May 21, 2026
Est. Refi. Payment $22,855/mo*

$3,799,300

Trulia Estimate
as of May 21, 2026
Est. Refi. Payment $22,855/mo*
4 Beds
3 Baths
2,248 sqft

Local Information

Map showing home location
© Google
-- mins to
Commute Destination

Description

Open bright in MontaVista HS area. Excellent floorplan w/ground floor bedroom & full bath, separate family room & dining rooms, Move-in ready w/ granite in kitchen & baths, HW floors, DP windows, high ceiling, fresh paint inside, 2car garage, large front&backyard ideal for entertaining. Owner moved inside laundry to garage, space to convert back inside. Cupt Sch: LincolnES, KennedyMS, Monta VistaHS
This property is off market, which means it's not currently listed for sale or rent on Trulia. This may be different from what's available on other websites or public sources.

Home Highlights

Parking
Garage
Outdoor
No Info
A/C
Heating only
HOA
None
Price/Sqft
No Info
Listed
No Info

Home Details for 21604 Castleton St

Interior Features

Heating & Cooling
Heating: OtherHeating Fuel: Other
Levels, Entrance, & Accessibility
Stories: 2
Interior Details
Number of Rooms: 8
Fireplace & Spa
Fireplace

Property Information

Year Built
Year Built: 1973Year Updated: 1973
Property Type / Style
Property Type: Single Family HomeArchitecture: Other

Exterior Features

Exterior Home Features
Exterior: Stucco
Parking & Garage
GarageParking: Garage Attached

Community

Units in Building: 1

Lot Information

Lot Area: 9147 sqft

Price History for 21604 Castleton St

DatePriceEventSource
05/22/2012$1,477,000Sold
N/A
04/20/2012$1,380,000PendingAgent Provided
04/11/2012$1,380,000Listed For SaleAgent Provided
05/17/2002$1,110,000Sold
N/A
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Property Tax and Assessment

Year2025
Tax$22,611
Assessment$1,855,184
Home facts updated by county records

Comparable Sales for 21604 Castleton St

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
0.07
Single-Family Home
$3,700,000
09/19/25
4
2.5
2,055
0.11
Single-Family Home
$4,060,000
05/18/26
4
2.5
2,412
0.20
Single-Family Home
$3,600,000
06/27/25
4
3
2,248
0.17
Single-Family Home
$3,800,000
01/12/26
4
3
2,102
0.12
Single-Family Home
$4,000,000
01/21/26
5
3
2,412
0.22
Single-Family Home
$3,920,000
07/28/25
4
3
2,140
0.36
Single-Family Home
$4,015,000
04/10/26
4
2.5
2,206
0.42
Single-Family Home
$3,700,000
08/26/25
4
2.5
2,319
0.16
Single-Family Home
$3,650,000
10/10/25
3
2
1,766
0.37
Single-Family Home
$3,353,000
07/17/25
3
2.5
1,724

Assigned Schools

These are the assigned schools for 21604 Castleton St.
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

Neighborhood Overview

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. "
  • Trulia User
    "Lived here 25 years. Close to biking and running. People in general are safe and care about their surroundings. "
  • Hwong21428
    "Safe for kids, four schools near by; from elementary to community college. Commute is convenient as well, next to 280 and 85. "
  • Vince P.
    "Wonderful area for kids, schools and local commutes. If you can afford the high rents and home prices "
  • 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"
  • 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."
  • 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."
  • Chefrociogomez
    "Traffic on the way back home from work all the time. The schools traffic is always challenging (Monta Vista, Kennedy and Lincoln)."
  • 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"
  • 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."
  • 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."
  • 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. "

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21604 Castleton St, Cupertino, CA 95014 is a 4 bedroom, 3 bathroom, 2,248 sqft single-family home built in 1973. 21604 Castleton St is located in Monta Vista North, Cupertino. This property is not currently available for sale. 21604 Castleton St was last sold on May 22, 2012 for $1,477,000. The current Trulia Estimate for 21604 Castleton St is $3,799,300.