Google street view image for 40 Castle Crest Rd, Alamo, CA 94507

Off market aug 2018 for $1.7M

$2,573,183

Est. refi paymentEst. refi $11,462/mo

•

5 ba

•

3,864

sq ft

40 Castle Crest Rd, Alamo, CA 94507

About this home

40 Castle Crest Rd is a 3,864 square foot house on a 0.58 acre lot with 6 bedrooms and 5 bathrooms. - it last sold on August 10, 2018 for $1,735,000. Based on Redfin's Alamo data, we estimate the home's value is $2,573,183.

Single-familyProperty Type

1947Year Built

0.58 acresLot Size

$666Est. Price/Sq.Ft.

3 car garageParking

Source:Public Records

Redfin Estimate

$2,573,183

$838K since sold in August 2018$68K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 8.9% lower than the average sale price ($2.82M) of 6 comparable homes.

SOLD JUN 26, 2026
$3,150,000
A
4 beds3 baths3,294 sq ft
196 Castle Hill Ranch Rd, Walnut Creek, CA 94595
SOLD MAR 27, 2026
$3,375,000
B
5 beds4.5 baths3,417 sq ft
1437 Twelve Oaks Ct, Alamo, CA 94507
SOLD OCT 22, 2026
$2,225,000
C
5 beds3.5 baths2,703 sq ft
118 Glen Ct, Walnut Creek, CA 94595
SOLD JUN 16, 2026
$3,100,000
D
5 beds4 baths3,688 sq ft
2064 Celeste Ave, Walnut Creek, CA 94596
SOLD FEB 26, 2026
$3,100,000
E
5 beds4 baths3,646 sq ft
1369 Milton Ave, Walnut Creek, CA 94596
SOLD MAY 21, 2026
$1,998,000
F
5 beds3.5 baths3,819 sq ft
1980 Meadow Rd, Walnut Creek, CA 94595

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Earn from this home

Sell

$1,287,091

Est. take-home

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Refinance

Est. cash available

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Rent

$8,487/mo

Redfin rental estimate

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Market trends in 94507, CA

Last updated October 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

101.6%

0.3% MoM

Median sale price

$3.2M

$199K MoM

Avg. days on market

24d

3 days MoM

Recently sold homes

5 MoM

New listings for sale

OPEN SUN, 1PM TO 4PM
$3,995,000
5 beds4 baths4,939 sq ft
33 Ranger Ct, Alamo, CA 94507
(415) 609-0914
3D WALKTHROUGH
$2,398,000
4 beds3 baths2,699 sq ft
137 Dean Rd, Alamo, CA 94507
HOT HOME
$1,095,000
4 beds3 baths2,468 sq ft
2031 Ridgewood Rd, Alamo, CA 94507
$4,285,000
5 beds4.5 baths5,312 sq ft
28 Kimberley Pl, Alamo, CA 94507
$3,288,000
5 beds5 baths5,100 sq ft
370 Vernal Dr, Alamo, CA 94507
See all

Provided by Redfin

Sale history for 40 Castle Crest Rd

Date

Event

Price

bridgeMLS, Bay East AOR, or Contra Costa AOR #10267734

Mar 14, 2022

Listing Removed

—

bridgeMLS, Bay East AOR, or Contra Costa AOR #11014707

Mar 14, 2022

Listing Removed

—

Public Records

Aug 10, 2018

Sold

$1,735,000

$449/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #11016208

Jun 24, 1999

Listing Removed

—

bridgeMLS, Bay East AOR, or Contra Costa AOR #10234863

Jul 7, 1997

Listing Removed

—

Public Records

May 21, 1997

Sold

$285,000

$74/sq ft

bridgeMLS, Bay East AOR, or Contra Costa AOR #27234863

Apr 16, 1997

Listing Removed

—

Year

Property tax

Land + Additions

Assessment*

2026

$22,839 (+2.3%)

$967,152 + $1,006,975

$1,974,127

2025

$22,321 (+1.3%)

$967,152 + $1,006,975

$1,974,127

2024

$22,024 (+2.4%)

$948,189 + $987,231

$1,935,420

2023

$21,501 (+2.3%)

$929,598 + $967,874

$1,897,472

2022

$21,016 (+2.8%)

$911,371 + $948,897

$1,860,268

2021

$20,447 (+0.7%)

$893,501 + $930,292

$1,823,793

2020

$20,296 (+1.2%)

$875,982 + $912,051

$1,788,033

2019

$20,064 (+48.2%)

$867,000 + $902,700

$1,769,700

2018

$13,536 (+1.8%)

$850,000 + $885,000

$1,735,000

2017

$13,293 (+1.9%)

$397,288 + $740,834

$1,138,122

2016

$13,051 (+2.3%)

$397,288 + $740,834

$1,138,122

2015

$12,758 (+1.1%)

$389,499 + $726,308

$1,115,807

2014

$12,618 (+1.3%)

$376,134 + $701,386

$1,077,520

2013

$12,453 (+3.2%)

$376,134 + $701,386

$1,077,520

2012

$12,069 (+1.5%)

$374,435 + $698,217

$1,072,652

2011

$11,893 (+1.3%)

$367,094 + $684,527

$1,051,621

2010

$11,740 (+1.0%)

$359,897 + $671,105

$1,031,002

2009

$11,619 (+1.4%)

$357,208 + $666,090

$1,023,298

2008

$11,458

$358,057 + $667,673

$1,025,730

Tax history for 40 Castle Crest Rd

Year

Property tax

Land + Additions

Assessment*

2026

$22,839 (+2.3%)

$967,152 + $1,006,975

$1,974,127

2025

$22,321 (+1.3%)

$967,152 + $1,006,975

$1,974,127

2024

$22,024 (+2.4%)

$948,189 + $987,231

$1,935,420

2023

$21,501 (+2.3%)

$929,598 + $967,874

$1,897,472

2022

$21,016 (+2.8%)

$911,371 + $948,897

$1,860,268

2021

$20,447 (+0.7%)

$893,501 + $930,292

$1,823,793

2020

$20,296 (+1.2%)

$875,982 + $912,051

$1,788,033

2019

$20,064 (+48.2%)

$867,000 + $902,700

$1,769,700

2018

$13,536 (+1.8%)

$850,000 + $885,000

$1,735,000

2017

$13,293 (+1.9%)

$397,288 + $740,834

$1,138,122

2016

$13,051 (+2.3%)

$397,288 + $740,834

$1,138,122

2015

$12,758 (+1.1%)

$389,499 + $726,308

$1,115,807

2014

$12,618 (+1.3%)

$376,134 + $701,386

$1,077,520

2013

$12,453 (+3.2%)

$376,134 + $701,386

$1,077,520

2012

$12,069 (+1.5%)

$374,435 + $698,217

$1,072,652

2011

$11,893 (+1.3%)

$367,094 + $684,527

$1,051,621

2010

$11,740 (+1.0%)

$359,897 + $671,105

$1,031,002

2009

$11,619 (+1.4%)

$357,208 + $666,090

$1,023,298

2008

$11,458

$358,057 + $667,673

$1,025,730

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

Permits

Nov 30, 2021 • Final

Building - residential solar photovoltaic

Install roof mounted solar panels to create a solar system.

Electrical

Solar

Jan 30, 2010 • Final

Building/residential/ad/single family addition

Construct a two-story addition with a garage.

Addition

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

Interior

Room Information
# of Rooms: 11

Exterior

Pool Information
Has Pool

Property Information
Subdivision Name: WALNUT CRK PARK
Living Sq. Ft: 3,864
Ground Floor Sq. Ft: 2,991
Building Sq. Ft: 3,864
# of Stories: 1
Legal Description: WALNUT CREEK PARK POR LOT 13

Parking & Garage Information
Garage/Parking Sq. Ft: 691

Lot Information
# of Buildings: 1
Land Sq. Ft: 25,265
Legal Lot Number: 13
Acres: 0.58
Zoning Code: R-20
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 6
Baths: 5.0
Sq. Ft.: 3,864
Stories: 1.0
Lot Size: 0.58 acres
Style: Single Family Residential
Year Built: 1947
Year Renovated: 1995
County: Contra Costa County
APN: 1882000100

Home facts updated by county records on Oct 30, 2026

Around this home

Schools

K - 12
Preschool & daycare

Murwood Elementary School

Public K-5 • Assigned • 0.8mi

9/10

Walnut Creek Intermediate School

Public 6-8 • Assigned • 2.5mi

9/10

Las Lomas High School

Public 9-12 • Assigned • 1.2mi

10/10

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

0.93% chance of being in a wildfire in next 30 years

3/10 Heat Factor

8 days above 96° expected this year, 16 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, 16 days in 30 years

Provided by First Street

Historical weather

Alamo, CA • 94507

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

11.5 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$2.44M – $2.96M

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Nearby similar homes

OPEN SUN, 1PM TO 4PM

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5 beds4 baths4,939 sq ft

33 Ranger Ct, Alamo, CA 94507

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28 Kimberley Pl, Alamo, CA 94507

Gated neighborhood • Chef's kitchen • Expansive great room

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NEW CONSTRUCTION

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New listings for sale in 94507

OPEN SUN, 1PM TO 4PM

$3,995,000

5 beds4 baths4,939 sq ft

33 Ranger Ct, Alamo, CA 94507

Copper-roofed turret • Barrel-vaulted foyer • Dekton countertops

(415) 609-0914

3D WALKTHROUGH

$2,398,000

4 beds3 baths2,699 sq ft

137 Dean Rd, Alamo, CA 94507

Mount diablo views • Designer kitchen • Wet bar

HOT HOME

$1,095,000

4 beds3 baths2,468 sq ft

2031 Ridgewood Rd, Alamo, CA 94507

Valley views • Masonry fireplace • Walk-in pantry

$4,285,000

5 beds4.5 baths5,312 sq ft

28 Kimberley Pl, Alamo, CA 94507

Gated neighborhood • Chef's kitchen • Expansive great room

$3,288,000

5 beds5 baths5,100 sq ft

370 Vernal Dr, Alamo, CA 94507

Expansive property • Top-rated schools • Scenic hiking trails

Home values near 40 Castle Crest Rd

Data from public records.

Address	Redfin Estimate
11 Castle Crest Road, Alamo, CA 3 Beds \| 2 Baths \| 1636 Sq. Ft.	$1,694,807
10 Castle Crest Road, Alamo, CA 5 Beds \| 3 Baths \| 1881 Sq. Ft.	$2,007,995
61 Castle Crest Road, Alamo, CA 3 Beds \| 3 Baths \| 2471 Sq. Ft.	$2,147,494
70 Castle Crest Road, Alamo, CA 4 Beds \| 3 Baths \| 2935 Sq. Ft.	$1,996,061
100 Castle Crest Road, Alamo, CA 3 Beds \| 2 Baths \| 2608 Sq. Ft.	$2,009,733
231 Crest Avenue, Alamo, CA 3 Beds \| 3 Baths \| 2690 Sq. Ft.	$1,674,309
311 Crest Avenue, Alamo, CA 2 Beds \| 3 Baths \| 2326 Sq. Ft.	$1,662,392

Address	Redfin Estimate
60 Castle Crest Road, Alamo, CA 5 Beds \| 3.5 Baths \| 3500 Sq. Ft.	$2,406,621
51 Castle Crest Road, Alamo, CA 6 Beds \| 6.5 Baths \| 4761 Sq. Ft.	$2,895,241
106 Castle Crest Road, Alamo, CA 4 Beds \| 3 Baths \| 2487 Sq. Ft.	$1,717,742
30 Castle Crest Road, Alamo, CA 4 Beds \| 2 Baths \| 2375 Sq. Ft.	$1,873,670
239 Crest Avenue, Alamo, CA 2 Beds \| 2 Baths \| 1328 Sq. Ft.	$1,346,059
4 Navajo Court, Alamo, CA 4 Beds \| 3 Baths \| 2801 Sq. Ft.	$2,110,281
11 Crest Court, Alamo, CA 4 Beds \| 2 Baths \| 2983 Sq. Ft.	$2,178,083

Address	Redfin Estimate
20 Castle Crest Road, Alamo, CA 4 Beds \| 5 Baths \| 3466 Sq. Ft.	$2,480,999
110 Castle Crest Road, Alamo, CA 5 Beds \| 3 Baths \| 3776 Sq. Ft.	$2,080,649
116 Castle Crest Road, Alamo, CA 3 Beds \| 3 Baths \| 1699 Sq. Ft.	$1,696,936
50 Castle Crest Road, Alamo, CA 4 Beds \| 4.5 Baths \| 5200 Sq. Ft.	$2,396,766
2475 Tice Valley Boulevard, Walnut Creek, CA 4 Beds \| 3 Baths \| 3154 Sq. Ft.	$2,671,029
305 Crest Avenue, Alamo, CA 4 Beds \| 3 Baths \| 2397 Sq. Ft.	$2,127,725
2455 Tice Valley Boulevard, Walnut Creek, CA 4 Beds \| 3 Baths \| 3427 Sq. Ft.	$2,040,305

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 94507, CA

Sale history for 40 Castle Crest Rd

Tax history for 40 Castle Crest Rd

Permits

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94507

Home values near 40 Castle Crest Rd

More real estate resources