321 Castle Crest Rd Alamo, CA $ 2,798,000
321 Castle Crest Rd
$ 2,798,000
Recently Listed
Open House 7/18 1pm - 4pm
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321 Castle Crest Rd

Alamo, CA, 94507
$ 2,798,000
Bedrooms5 Baths4.1 Sq 3,962

Monthly Estimate*

$ 17,667

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Single Family Home for sale in Alamo, CA

for $2,798,000 with 5 bedrooms and 4 full baths, 1 half bath. This 3,962 square foot home was built in 1991 on a lot size of 1.17.

A rustic modern Tahoe-inspired retreat with direct Mt. Diablo views, expansive windows, elevated materials, energy efficiency, and everyday livability. The entry pivot door sets the tone immediately, opening to the huge view-framing window capturing the mountain through floating maple stair treads. A striking architectural moment. The main living level centers around an open gathering area with soaring vaulted wood ceilings, stunning kitchen representing sea, earth and sky, formal dining, exposed beams, expansive Fleetwood windows, and access to an outdoor seating area overlooking Mt. Diablo. The kitchen anchors the home with quartzite island, Wolf/Sub-Zero appliances, steam oven, custom hood and walk-in pantry. A refined mix of stone, glass, metal, and natural warmth. Extensively reimodeled with an emphasis on architecture, systems, and symmetry, the home includes steel beams, double shear, owned solar, updated HVAC, maple hardwood, modern railings, upgraded lighting, and a media room / 5th bedroom. Set on 1.17 acres on one of Alamo’s friendliest streets, the flexible floor plan offers two ensuite bedrooms with one on the main level, two living areas, and easy access to two 2-car garages (total 4). Close to downtown Walnut Creek, BART, trails, the Iron Horse Trail, and 680. Open Sat 1-4pm Sun 2-4pm

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Open House

7/18/2026 1:00 PM - 4:00 PM
7/19/2026 2:00 PM - 4:00 PM
321 Castle Crest Rd Alamo, CA
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm

Single Family Active

Price

$ 2,798,000

Bedrooms

5

Full Bath

4

Half Bath

1

Property Type

Single Family

Taxes

$ 0

Style

Contemporary

Lot Size

1.17

Year Built

1991

Town/City

Alamo

County/Region

Contra Costa

MLS | Web ID

41141765

Features
General
Living Area 3962
Sewer Public Sewer
Heating Zoned
Cooling Central Air
Roof Composition Shingles
Appliances Dishwasher Double Oven Gas Range Microwave Oven Refrigerator Dryer Washer Gas Water Heater
Garage Spaces 4
Architectural Style Contemporary
Pool Features None
Construction Materials Wood Siding
Year Built 1991
Electric Photovoltaics Seller Owned
View Las Trampas Foothills Mt Diablo Panoramic
Stories Count 2
Levels Two Story
Property Subtype Detached
County Contra Costa
New Construction false
Property Type Residential
HOA false
Subdivision Name West Side Alamo
Garage Y/N true
Total Rooms 12
Full Baths 4
Status New
Directions Crest Ave to Castle Crest.
City Alamo
MLS Area Listing
Lot Size Square Feet 50965
Property Condition Existing
Standard Status Active
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Interior
Interior Amenities Family Room Formal Dining Room Pantry Updated Kitchen
Flooring Hardwood Flrs Throughout
Total Fireplaces 0
Fireplace Features None
Air Conditioning Y/N true
Heating Y/N true
Window Features Double Pane Windows
Fireplace Y/N false
Laundry Features Dryer Laundry Room Washer
Total Bedrooms 5
Kitchen Features Stone Counters Dishwasher Double Oven Eat-in Kitchen Disposal Gas Range/Cooktop Kitchen Island Microwave Oven Built-in Pantry Refrigerator Updated Kitchen
Total Baths 5
1/2 Baths 1
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Exterior
Exterior Amenities Front Yard
Parking Features Attached Garage Door Opener
Lot Features Cul-De-Sac Sloped Down
Water Source Public
Lot Size Area 1.17
Foundation Details Raised
Building Area Total 3962
Lot Size Acres 1.17
ADU Y/N false
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* Excluded Features
List By
Carolyn Gwynn

Listing Agent

Compass

Broker

carolyngwynn@compass.com

Email

Affordability Calculator

$17,667
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Monthly Principal & Interest
$17,667
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Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
4827338 Elementary School
0 Middle School
Unknown High School High School
Pricing History
DatePricePrice ChangeDescription
7/16/2026$2,798,000 Listed Price

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321 Castle Crest Rd, Alamo, CA, 94507 is a Single Family Home for sale at $2,798,000 with 3,962 sqft and a lot size of 1.17. 321 Castle Crest Rd has 5 bedrooms, 4.1 baths, and was built in 1991. The property's zip code is 94507 which is in Alamo, CA