Google satellite image for 100 Castle Crest Rd, Alamo, CA 94507

OFF MARKET

$2,234,020

•

2 ba

•

2,608

sq ft

100 Castle Crest Rd, Alamo, CA 94507

About this home

100 Castle Crest Rd is a 2,608 square foot house on a 2.17 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Alamo data, we estimate the home's value is $2,234,020.

Single-familyProperty Type

1929Year Built

2.17 acresLot Size

$857Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$2,234,020

$114K since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 16.3% higher than the average sale price ($1.92M) of 6 comparable homes.

SOLD APR 23, 2026
$1,649,000
A
4 beds2 baths2,296 sq ft
205 Castle Hill Ranch Rd, Walnut Creek, CA 94595
SOLD JUN 24, 2026
$1,525,000
B
3 beds2 baths1,558 sq ft
1989 Meadow Rd, Walnut Creek, CA 94595
SOLD JUL 29, 2026
$1,950,000
C
3 beds2 baths2,178 sq ft
1489 Sunnybrook Rd, Alamo, CA 94507
SOLD APR 7, 2026
$1,652,625
D
3 beds2.5 baths1,950 sq ft
2435 Lunada, Alamo, CA 94507
SOLD AUG 31, 2026
$2,385,000
E
4 beds3 baths2,638 sq ft
16 Crest Estate Dr, Alamo, CA 94507
SOLD APR 1, 2026
$2,360,000
F
3 beds3 baths2,639 sq ft
31 Sara Ln, Alamo, CA 94507

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Earn from this home

Sell

$2,115,734

Est. take-home

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Rent

$5,728/mo

Redfin rental estimate

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Market trends in 94507, CA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

101.9%

0.2% MoM

Median sale price

$3.0M

$124K MoM

Avg. days on market

21d

8 days MoM

Recently sold homes

2 MoM

New listings for sale

VIDEO TOUR
$3,298,000
4 beds4 baths4,251 sq ft
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OPEN TODAY, 2PM TO 4PM
$2,498,000
4 beds3 baths2,749 sq ft
3081 Oakraider Dr, Alamo, CA 94507
OPEN TODAY, 1:30PM TO 4PM
$4,350,000
5 beds4.5 baths5,312 sq ft
28 Kimberley Pl, Alamo, CA 94507
$3,700,000
4 beds4 baths3,424 sq ft
330 Twin Peaks Ln, Alamo, CA 94507
OPEN TODAY, 2PM TO 4PM
$3,199,000
4 beds2.5 baths2,667 sq ft
2431 Alamo Gln, Alamo, CA 94507
OPEN TODAY, 1:30PM TO 4PM
$2,995,000
5 beds4 baths3,422 sq ft
3144 Roundhill Rd, Alamo, CA 94507
See all

Provided by Redfin

Sale history for 100 Castle Crest Rd

Year

Property tax

Land + Additions

Assessment*

2025

$2,593 (+2.1%)

$102,491 + $67,485

$169,976

2024

$2,540 (+2.8%)

$100,482 + $66,162

$166,644

2023

$2,470 (+2.0%)

$98,512 + $64,865

$163,377

2022

$2,422 (+3.2%)

$96,581 + $63,594

$160,175

2021

$2,346 (+3.1%)

$94,688 + $62,348

$157,036

2020

$2,276 (+0.9%)

$92,832 + $61,126

$153,958

2019

$2,255 (+4.0%)

$91,881 + $60,500

$152,381

2018

$2,170 (+3.0%)

$90,080 + $59,314

$149,394

2017

$2,106 (+3.2%)

$86,583 + $57,011

$143,594

2016

$2,041 (+3.2%)

$86,583 + $57,011

$143,594

2015

$1,977 (+2.4%)

$84,886 + $55,894

$140,780

2014

$1,930 (+2.6%)

$81,974 + $53,977

$135,951

2013

$1,881 (+4.3%)

$81,974 + $53,977

$135,951

2012

$1,803 (+2.8%)

$81,604 + $53,734

$135,338

2011

$1,754 (+2.7%)

$80,004 + $52,681

$132,685

2010

$1,709

$78,436 + $51,649

$130,085

2009

$1,708 (+1.2%)

$77,850 + $51,263

$129,113

2008

$1,687

$78,035 + $51,385

$129,420

Tax history for 100 Castle Crest Rd

Year

Property tax

Land + Additions

Assessment*

2025

$2,593 (+2.1%)

$102,491 + $67,485

$169,976

2024

$2,540 (+2.8%)

$100,482 + $66,162

$166,644

2023

$2,470 (+2.0%)

$98,512 + $64,865

$163,377

2022

$2,422 (+3.2%)

$96,581 + $63,594

$160,175

2021

$2,346 (+3.1%)

$94,688 + $62,348

$157,036

2020

$2,276 (+0.9%)

$92,832 + $61,126

$153,958

2019

$2,255 (+4.0%)

$91,881 + $60,500

$152,381

2018

$2,170 (+3.0%)

$90,080 + $59,314

$149,394

2017

$2,106 (+3.2%)

$86,583 + $57,011

$143,594

2016

$2,041 (+3.2%)

$86,583 + $57,011

$143,594

2015

$1,977 (+2.4%)

$84,886 + $55,894

$140,780

2014

$1,930 (+2.6%)

$81,974 + $53,977

$135,951

2013

$1,881 (+4.3%)

$81,974 + $53,977

$135,951

2012

$1,803 (+2.8%)

$81,604 + $53,734

$135,338

2011

$1,754 (+2.7%)

$80,004 + $52,681

$132,685

2010

$1,709

$78,436 + $51,649

$130,085

2009

$1,708 (+1.2%)

$77,850 + $51,263

$129,113

2008

$1,687

$78,035 + $51,385

$129,420

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

Permits

May 8, 2024 • Final

Building - residential re-roof

Install a new PVC roofing product over an existing built-up roof. The project includes the installation of fanfold insulation and must meet cool roof requirements.

Roofing

Jul 14, 2021 • Final

Building - residential mechanical

Replace the furnace in a residential building.

HVAC

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: 8

Exterior

Property Information
Subdivision Name: WALNUT CRK PARK
Living Sq. Ft: 2,608
Ground Floor Sq. Ft: 1,574
Building Sq. Ft: 2,608
# of Stories: 1
Legal Description: WALNUT CREEK PARK POR LOTS 13 & 13A

Parking & Garage Information
Garage/Parking Sq. Ft: 400

Lot Information
# of Buildings: 1
Land Sq. Ft: 94,525
Legal Lot Number: 13
Acres: 2.17
Zoning Code: R-20
County Use Description: SINGLE FAMILY

Financial

Assessor Information
Assessment Year: 2026

Public facts

Beds: 3
Baths: 2.0
Sq. Ft.: 2,608
Stories: 1.0
Lot Size: 2.17 acres
Style: Single Family Residential
Year Built: 1929
Year Renovated: 1929
County: Contra Costa County
APN: 1882000209

Home facts updated by county records on Jul 13, 2026

Around this home

Schools

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

$2.12M – $2.57M

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New listings for sale in 94507

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Home values near 100 Castle Crest Rd

Data from public records.

Address	Redfin Estimate
11 Castle Crest Road, Alamo, CA 3 Beds \| 2 Baths \| 1636 Sq. Ft.	$1,712,020
20 Castle Crest Road, Alamo, CA 4 Beds \| 5 Baths \| 3466 Sq. Ft.	$2,629,449

Address	Redfin Estimate
124 Castle Crest Road, Alamo, CA 4 Beds \| 2 Baths \| 1812 Sq. Ft.	$1,741,017
10 Castle Crest Road, Alamo, CA 5 Beds \| 3 Baths \| 1881 Sq. Ft.	$2,041,237

Address	Redfin Estimate
60 Castle Crest Road, Alamo, CA 5 Beds \| 3.5 Baths \| 3500 Sq. Ft.	$2,452,330
51 Castle Crest Road, Alamo, CA 6 Beds \| 6.5 Baths \| 4761 Sq. Ft.	$2,895,904

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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 100 Castle Crest Rd

Tax history for 100 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 100 Castle Crest Rd

More real estate resources