321 Castle Crest Rd, Alamo, CA, 94507

Save
Ask
Tour
Hide
Share
$2,524,900
66 Days On Site

321 Castle Crest Rd
Alamo, CA 94507

For Sale|Single Family Residence|Active
5
Beds
5
Total Baths
4
Full Baths
1
Partial Bath
3,962
SqFt
$637
/SqFt
1991
Built
Subdivision:
WEST SIDE ALAMO
County:
Contra Costa
Listed by Carolyn Gwynn of Compass carolyngwynn@compass.com
Call Now: 951-203-4426
Is this the listing for you? We can help make it yours.
951-203-4426
Upcoming Open Houses
Sun, Sep 20, 2:00 PM - 4:00 PM
321 Castle Crest Rd321 Castle Crest Rd321 Castle Crest Rd321 Castle Crest Rd
Save
Ask
Tour
Hide
Share

Mortgage Calculator

Monthly Payment (Est.)

$11,520
Calculator powered by Showcase IDX, a Constellation1 Company. Copyright ©2026 Information is deemed reliable but not guaranteed.

A comprehensive transformation by Alamo-based RSR Development, bringing together sophisticated design, significant structural engineering, and high-quality construction. Direct Mt. Diablo views, expansive windows, and energy efficiency. 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 designed by noted Architect Martin Hammer. 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 remodeled 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 WC, BART, Iron Horse Trail, and 680.

Save
Ask
Tour
Hide
Share
Listing Snapshot
Price 
$2,524,900
Days On Site 
66 Days
Bedrooms 
5
Inside Area (SqFt) 
3,962 sqft
Total Baths 
5
Full Baths 
4
Partial Baths 
1
Lot Size 
1.17 Acres
Year Built 
1991
MLS® Number 
41141765
Status 
Active
Property Tax 
N/A
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
6 days agoListing updated with changes from the MLS®
a week agoStatus changed to Active
2 weeks agoPrice changed to $2,524,900
2 months agoListing first seen on site
General Features
Acres 
1.17
Attached Garage 
Yes
Foundation 
Raised
Garage 
Yes
Garage Spaces 
4
Levels 
Two
Parking 
AttachedGarage
Parking Spaces 
4
Property Sub Type 
Single Family Residence
Style 
Contemporary
Interior Features
Appliances 
Gas Water HeaterDryerWasher
Cooling 
Central Air
Fireplace Features 
None
Flooring 
Wood
Heating 
Forced Air
Interior 
Eat-in Kitchen
Family Room 
Kitchen 
Features - Kitchen Island, Stone Counters
Media Room 
Save
Ask
Tour
Hide
Share
Exterior Features
Construction Details 
Wood Siding
Lot Features 
Cul-De-SacSloped DownFront Yard
Patio And Porch 
Deck
Pool Features 
None
Roof 
Shingle
View 
HillsMountain(s)Panoramic
Waterview 
HillsMountain(s)Panoramic
Community Features
Financing Terms Available 
CashConventional


This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing. The display of MLS data is usually deemed reliable but is NOT guaranteed accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and should investigate the data themselves or retain appropriate professionals. Information from sources other than the Listing Agent may have been included in the MLS data. Unless otherwise specified in writing, the Broker/Agent has not and will not verify any information obtained from other sources. The Broker/Agent providing the information contained herein may or may not have been the Listing and/or Selling Agent.

Neighborhood & Commute
Source: Walkscore
Disclosure: Community information and market data powered by Constellation Data Labs. Information is deemed reliable but not guaranteed.
Save
Ask
Tour
Hide
Share