OFF MARKET
Off Market May 2010 for $927K
$1,873,909
Est. refi paymentEst. refi $9,386/mo
4
bd
2.5 ba
3,474
sq ft

21 Castledown Rd, Pleasanton, CA 94566

map-entry

About this home

Single-familyProperty Type
1977Year Built
0.48 acresLot Size
$539Est. Price/Sq.Ft.
2 car garageParking
Listed by John P Lee DRE #01255756 MRL Group, Inc.
Bought with Timothy Mcguire DRE #01349446 Compass
Redfin checked: a minute ago
Source:bridgeMLS, Bay East AOR, or Contra Costa AOR #40452014

Redfin Estimate

$1,873,909
$947K since sold in May 2010$44K since August

This home's estimate is 1.9% lower than the average sale price ($1.91M) of 6 comparable homes.

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Earn from this home

Sell
$1,330,529
Est. take-home

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Refinance
$0
Est. cash available

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Rent
$6,573/mo
Redfin rental estimate

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Market trends in 94566, CA

Sale history for 21 Castledown Rd

Tax history for 21 Castledown Rd

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

Public record

Beds
4
Baths
3
Stories
1.5
Lot width
Lot depth
Lot size
0.48 Acres
Year renovated
1979
Sq. Ft.
3,474
Year built
1977
Style
Single Family Residential
County
Alameda County
APN
946 440601200
Parking Spaces
Basement
Accessible
HOA Dues
Garage
Features
Last updated by owner on Jul 28, 2026.

Property details

Around this home

Schools

Phoebe Apperson Hearst Elementary School

Public K-5 • Assigned • 1.1mi

8/10
Pleasanton Middle School

Public 6-8 • Assigned • 1.3mi

7/10
Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

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

4/10 Fire Factor

1% chance of being 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

15 unhealthy days expected this year, 15 days in 30 years

Provided by First Street

Historical weather

Pleasanton, CA • 94566
Average low and high temperatures (°F)
60
38
63
42
70
46
69
47
76
50
82
53
82
55
87
57
84
57
77
53
64
44
58
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Sun exposure

In this area, properties receive around 11.4 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.4 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.78M – $2.15M

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Property information provided by bridgeMLS, Bay East AOR, or Contra Costa AOR when last listed in 2010. This data may not match public records. Learn more.
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GreatSchools Ratings provided by GreatSchools.org.