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321 Castle Crest Rd, Alamo, CA 94507

Alamo
Local realty services provided by:CENTURY 21 Sierra Properties
321 Castle Crest Rd,Alamo, CA 94507
$2,524,900
  • 5 Beds
  • 5 Baths
  • 3,962 sq. ft.
  • Single family
  • Active
Listed by: carolyn gwynn
Office: compass
MLS#:41141765
Source:Bay East, CCAR, bridgeMLS

Price summary

  • Price:$2,524,900
  • Price per sq. ft.:$637.28

About this home

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...

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Home facts

  • Year built:1991
  • Subdivision & Development:WEST SIDE ALAMO
  • Listing ID #:41141765
  • Added:57 day(s) ago
  • Updated:September 11, 2026 at 02:44 PM

Rooms and interior

  • Bedrooms:5
  • Total bathrooms:5
  • Full bathrooms:4
  • Rooms Total:12
  • Flooring:Hardwood Flrs Throughout
  • Kitchen Description:Dishwasher, Double Oven, Gas Range, Microwave, Oven/Range, Pantry, Refrigerator, Updated Kitchen
  • Living area:3,962 sq. ft.

Heating and cooling

  • Cooling:Central Air
  • Heating:Zoned
  • Central air:Yes

Structure and exterior

  • Roof:Shingle
  • Year built:1991
  • Building area:3,962 sq. ft.
  • Lot area:1.17 Acres
  • Lot Features:Cul-De-Sac, Sloped Down
  • Architectural Style:Contemporary, Single Family Residence
  • Construction Materials:Wood Siding
  • Exterior Features:Front Yard, Sloped Down
  • Foundation Description:Raised
  • Levels:2 Story

Utilities

  • Water:Public
  • Sewer:Public Sewer

Finances and disclosures

  • Price:$2,524,900
  • Price per sq. ft.:$637.28

Features and amenities

  • Appliances:Dishwasher, Double Oven, Dryer, Gas Range, Gas Water Heater, Microwave, Oven, Refrigerator, Washer
  • Laundry features:Dryer, Laundry Room, Washer
  • Amenities:Carbon Monoxide Detector(s), Smoke Detector(s)

Parking

  • Parking description:Attached
  • Garage:Yes
  • Garage spaces:4
MLS LogoBay East 2026. CCAR 2026 bridgeMLS 2026. Information Deemed Reliable But Not Guaranteed. This information is being provided by the Bay East MLS, or CCAR MLS, or bridgeMLS. The listings presented here may or may not be listed by the Broker/Agent operating this website. This information is intended for the personal use of consumers and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated at September 11, 2026 CA_BRIDGEMLS Member Broker: Jesse Gibbs

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