$4,173,900
- 5 Beds
- 3 Baths
- 2,830 sqft
21663 Castleton St, Cupertino, CA 95014
Est. Refi. Payment $26,340/mo*
Refinance Your HomeCurrently Off Market - Sold Feb 14, 2007 for $1,575,000
Home Value
Trulia Estimate
$4.17MSince last month
Increased$21K (+0.5%)Since last year
Decreased$58K (-1.4%)Since last sale
Increased$3M (+163.5%)Learn more about this home's value by checking out its Trulia Estimate, the value of nearby homes, and how much similar homes have sold for.
Trulia Estimate
The of this home's value increased by +95% in the last 10 years
| Month | Estimated value |
|---|---|
2026 | |
| September 2026 | $4.15M |
| August 2026 | $4.13M |
| July 2026 | $4.16M |
| June 2026 | $4.24M |
| May 2026 | $4.33M |
| April 2026 | $4.32M |
| March 2026 | $4.38M |
| February 2026 | $4.38M |
| January 2026 | $4.09M |
2025 | |
2024 | |
2023 | |
2022 | |
2021 | |
2020 | |
2019 | |
2018 | |
2017 | |
2016 | |
Comparable sales
These are recently sold homes that have a similar location or other similar features to this home, like bedrooms, bathrooms, and square footage. Get a sense of the expected prices in the area by viewing these homes.Address | Distance | Property Type | Sold Price | Sold Date | Bed | Bath | Sqft |
|---|---|---|---|---|---|---|---|
0.07 | Single-Family Home | $4,000,000 | 01/21/26 | 5 | 3 | 2,412 | |
0.15 | Single-Family Home | $4,080,000 | 08/18/26 | 4 | 3 | 2,119 | |
0.12 | Single-Family Home | $3,800,000 | 01/12/26 | 3 | 3 | 2,102 | |
0.26 | Single-Family Home | $3,350,000 | 05/13/26 | 4 | 3 | 2,055 | |
0.17 | Single-Family Home | $4,060,000 | 05/18/26 | 4 | 2.5 | 2,412 | |
0.38 | Single-Family Home | $4,289,000 | 02/26/26 | 4 | 3 | 2,737 | |
0.55 | Single-Family Home | $4,088,888 | 03/24/26 | 5 | 3 | 2,768 | |
0.47 | Single-Family Home | $3,500,000 | 06/15/26 | 4 | 3 | 2,331 | |
0.37 | Single-Family Home | $4,015,000 | 04/10/26 | 4 | 2.5 | 2,206 | |
0.22 | Single-Family Home | $3,650,000 | 10/10/25 | 3 | 2 | 1,766 |
Nearby home prices
Get a sense of expected prices in the area by checking the value of nearby homes.Address | Distance | Price | Bed | Bath | Sqft | Status |
|---|---|---|---|---|---|---|
0.03 | $4,206,200 | 4 | 2.5 | 2,055 | Off Market | |
0.06 | $3,788,600 | 4 | 2.5 | 2,119 | Off Market | |
0.07 | $4,000,000 | 5 | 3 | 2,412 | Recently Sold | |
0.14 | $4,103,300 | 4 | 2.5 | 2,055 | Off Market | |
0.17 | $4,060,000 | 4 | 2.5 | 2,412 | Recently Sold | |
0.17 | $3,952,800 | 4 | 2.5 | 1,974 | Off Market | |
0.14 | $4,436,900 | 5 | 3 | 2,412 | Off Market | |
0.12 | $4,091,100 | 4 | 3 | 2,248 | Off Market | |
0.15 | $4,080,000 | 4 | 3 | 2,119 | Recently Sold | |
0.19 | $3,642,600 | 3 | 2 | 1,766 | Off Market | |
0.20 | $4,335,800 | 4 | 2 | 1,935 | Off Market | |
0.21 | $6,500,000 | 5 | 4.5 | 3,721 | For Sale |
Local Information
-- mins to
Home Highlights
Single-Family Home
Built in 1966
2,830 sqft
$1,475/sqft
Garage
About this House
This single-family home is located at 21663 Castleton St, Cupertino, CA. 21663 Castleton St is in the Monta Vista North neighborhood in Cupertino, CA and in ZIP code 95014. This property has 5 bedrooms, 3 bathrooms and approximately 2,830 sqft of floor space. This property has a lot size of 6969 sqft and was built in 1966.
21663 Castleton St, Cupertino, CA 95014 is a 5 bedroom, 3 bathroom, 2,830 sqft single-family home in Monta Vista North, built in 1966. It last sold for $1,575,000 on Feb 14, 2007. More recently, it was listed as a rental in August 2012 with an asking price of $5,100 per month. That rental listing was removed on August 7, 2012. This property is not currently displayed as for sale or rent on Trulia. The Trulia Estimate is $4,173,900.
Home Details for 21663 Castleton St
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Levels, Entrance, & Accessibility Stories: 2 |
Interior Details Number of Rooms: 10 |
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Year Built Year Built: 1966Year Updated: 1966 |
Property Type / Style Property Type: Single Family HomeArchitecture: Other |
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Exterior Home Features Exterior: Stucco |
Parking & Garage GarageParking: Garage Attached |
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Units in Building: 1 |
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Lot Area: 6969 sqft |
Price and Tax history
| Date | Event | Price |
|---|---|---|
Aug 7, 2012 Source: Agent Provided | ListingRemoved | $5,100 |
Aug 4, 2012 Source: Agent Provided | Listed For Rent | $5,100 |
Feb 14, 2007 Source: N/A | Sold | $1,575,000 |
| Year | Property tax | Tax assessment |
|---|---|---|
| 2026 | Unavailable | $2,152,357 |
Home facts updated by county records
Market trends in Cupertino
Last updated August 2026
Avg. sale price
$3.03M
$180KMoM
Sale-to-List Price
101.6%
0.4%MoM
Price per sq ft
$1.45K
$65MoM
Available listings
82
1MoM
Around this home
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.
LGBTQ Local Legal Protections
LGBTQ Local Legal Protections
Frequently asked questions about 21663 Castleton St
- What is 21663 Castleton St estimated to be worth?Trulia's estimated value for 21663 Castleton St in Cupertino, CA is $4,173,900.
- What is the price history for 21663 Castleton St?21663 Castleton St in Cupertino, CA last sold for $1,575,000 in February 2007.
- 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.
- How big is the lot at 21663 Castleton St?The lot at 21663 Castleton St in Cupertino, CA is about 0.16 acres (6,969 sq ft).
- Does 21663 Castleton St have a garage?Yes, 21663 Castleton St in Cupertino, CA has a garage.