- 4 beds
- 3 baths
- 4,476 sqft
- ~2 acre lot
- $781 per sqft
- 1988 build
- – on site
The Castle of Alamo, perched in the foothills of Mt. Diablo, this estate is a rare architectural gem designed for those who appreciate distinction, privacy, and craftsmanship. Evoking the timeless romance of an old-world European manor, this custom-built home blends fairy-tale design with modern amenities, offering a one-of-a-kind living experience just minutes from downtown Alamo and award winning schools. Set on over 2.22 acres of secluded grounds, the home features approximately 4,476 square feet of interior living space with 4 bedrooms, 3 bathrooms, and a series of bonus lofts and flexible living areas that bring charm and function to every corner. As featured in Forbes Magazine, the home's stone exterior, and slate roof immediately set it apart. Inside, soaring ceilings, dramatic staircases, and hand-crafted details create a sense of grandeur. The chef’s kitchen is well-equipped with a Viking gas cooktop, double ovens, a center island, and a cozy breakfast nook with garden views. The spacious primary suite and main living areas are located on the entry level for effortless living, while the loft(s) above adds opportunity for a home office, studio, or private retreat. This is your chance to own what is arguably the most unique property in the entire Bay Area!
Last checked:
As a licensed real estate brokerage, Estately has access to the same database professional Realtors use: the Multiple Listing Service (or MLS). That means we can display all the properties listed by other member brokerages of the local Association of Realtors—unless the seller has requested that the listing not be published or marketed online.
The MLS is widely considered to be the most authoritative, up-to-date, accurate, and complete source of real estate for-sale in the USA.
Estately updates this data as quickly as possible and shares as much information with our users as allowed by local rules. Estately can also email you updates when new homes come on the market that match your search, change price, or go under contract.
Checking…
•
Last updated Jun 18, 2025
•
MLS# 41100982 —
This home is listed in more than one place. See it here.
The Building
-
Year Built:1988
-
New Construction:No
-
Construction Materials:Brick
-
Roof:Slate
-
Patio And Porch Features:Patio
-
Patio:1
Interior
-
Levels:Two
-
Kitchen Features:Remodeled Kitchen
-
Eating Area:Breakfast Counter / Bar, Breakfast Nook
-
Flooring:Wood, Tile, Carpet
-
Fireplace:Yes
-
Laundry:1
Room Dimensions
-
Living Area:4476.00
Location
-
Directions:Stone Valley E to Monte Sereno Cross Street: Monte Sereno.
-
Latitude:37.84846888
-
Longitude:-121.97937248
The Property
-
Property Type:Residential
-
Subtype:Single Family Residence
-
Lot Features:Cul-De-Sac, Back Yard, Front Yard, Garden, Yard
-
Lot Size Area:96703.0000
-
Lot Size Acres:2.2200
-
Lot Size SqFt:96703.00
-
Lot Size Source:Public Records
Listing Agent
- Contact info:
- No listing contact info available
Beds
-
Total Bedrooms:4
Baths
-
Total Baths:3
-
Full & Three Quarter Baths:3
-
Full Baths:3
The Listing
-
Parcel Number:1938700042
Heating & Cooling
-
Heating:1
-
Heating:Radiant
-
Cooling:Yes
Appliances
-
Appliances:Gas Water Heater
-
Included:Yes
The Community
-
Subdivision:ALAMO
-
Subdivision:ALAMO
-
Association:No
-
Pool:None
-
Private Pool:No
Parking
-
Parking:Yes
-
Parking:Garage, RV Access/Parking, Garage Door Opener
-
Parking Spaces:10.00
-
Attached Garage:Yes
-
Garage Spaces:4.00
Monthly cost estimate

Asking price
$3,499,999
Expense | Monthly cost |
---|---|
Mortgage
This calculator is intended for planning and education purposes only. It relies on assumptions and information provided by you regarding your goals, expectations and financial situation, and should not be used as your sole source of information. The output of the tool is not a loan offer or solicitation, nor is it financial or legal advice. |
$18,741
|
Taxes | N/A |
Insurance | $962 |
Utilities | $277 See report |
Total | $19,980/mo.* |
*This is an estimate |
Walk Score®
Provided by WalkScore® Inc.
Walk Score is the most well-known measure of walkability for any address. It is based on the distance to a variety of nearby services and pedestrian friendliness. Walk Scores range from 0 (Car-Dependent) to 100 (Walker’s Paradise).
Bike Score®
Provided by WalkScore® Inc.
Bike Score evaluates a location's bikeability. It is calculated by measuring bike infrastructure, hills, destinations and road connectivity, and the number of bike commuters. Bike Scores range from 0 (Somewhat Bikeable) to 100 (Biker’s Paradise).
Soundscore™
Provided by HowLoud
Soundscore is an overall score that accounts for traffic, airport activity, and local sources. A Soundscore rating is a number between 50 (very loud) and 100 (very quiet).
Air Pollution Index
Provided by ClearlyEnergy
The air pollution index is calculated by county or urban area using the past three years data. The index ranks the county or urban area on a scale of 0 (best) - 100 (worst) across the United Sates.
Sale history
Date | Event | Source | Price | % Change |
---|---|---|---|---|
6/11/25
Jun 11, 2025
|
Listed / Active | CRMLS_CA | $3,499,999 | 39.2% (1.8% / YR) |
10/5/03
Oct 5, 2003
|
BRIDGE | $2,515,000 |