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Price Drop: $163.1K (09/11)
Street View
Listed by: Carolyn Gwynn (925) 336-7525 DRE #01888136 | Compass (925) 257-0305
$2,524,900
Monthly Est:$12,567
5 Beds
5 Baths4 full baths + 1 half bath
3,962sqft
321 Castle Crst Rd, Alamo, CA 94507
$2,524,900
$12,567/moEst:
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Single Family Residence
Built in 1991
$-- HOA
1.17 acres lot
$637/sq.ft
Description
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 a...
Continue Reading- Houzeo last checked: 9 minutes ago
- Listing updated: September 13, 2026 at 5:59 pm
- Source: California Regional MLS-CA | MLS#: 41141765
Property Details
Status
Active
Type
Single Family Residence
No. of Stories
2
County
City
Neighborhood
--
Year Built
1991
HOA Fees
-
Finished Area
3,962 sqft
Lot Size
1.17 acres lot
Basement Area
- sqft
MLS Name
California Regional MLS
MLS Number
41141765
MLS Status
Active
Days on Market
66
Cumulative Days on Market
59
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Location
Facts & Features
Rooms
Bedrooms & bathrooms
Bedrooms: 5
Bathrooms: 5
Interior
Interior Features
Eat In Kitchen
Flooring
Wood
Cooling
Central Air
Appliances
Gas Water Heater, Dryer, Washer
Heating
Forced Air
Construction
Year Built
Year Built: 1991
Home type
Single Family Residence
Roof
Shingle
Construction Materials
Wood Siding
Foundation Details
Raised
Architectural Style
Contemporary
Utilities & Energy
Parking Features
Garage
Pool Features
None
Fireplace Features
None
Other Features
Patio And Porch Features
Deck
Lot Features
Cul De Sac, Sloped Down, Front Yard
Subdivision Name
West Side Alamo
Price History
| Date | Event | Price |
|---|---|---|
09/04/2026 Source: | Price Decreased | $2,524,900 -6.07% $637/sqft |
08/07/2026 Source: | Price Decreased | $2,688,000 -3.93% $678/sqft |
07/14/2026 Source: | Listed for Sale | $2,798,000 $706/sqft |
Nearby Homes
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Based on information from California Regional Multiple Listing Service, Inc. as of Sep 20, 2026, 08:15PM and /or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by broker or MLS. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. This website may not include listings or property addresses of sellers who have directed their listing brokers to withhold their listing or their property address from display on the Internet. © 2026 California Regional Multiple Listing Service. All Rights Reserved.
Advertising Broker: William Johnson DRE #01463271 | William Johnson Brokerage
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