10 Serenity Ln, Alamo, CA, 94507
About This Home
A Landmark 100-Acre Estate Set in Prestigious Alamo | The only 100-acre estate in the East Bay, 10 Serenity Lane offers unmatched privacy, scale and distinction. Inspired by classic European architecture, the residence pairs quiet sophistication with remarkable potential. A gated, Crepe-Myrtle-lined drive leads to sweeping natural vistas, manicured gardens and thoughtfully designed outdoor spaces. Inside, expansive rooms support refined living and elevated entertaining, with multiple viewpoints capturing the surrounding hillsides. Signature amenities elevate the experience, including a 20-car showcase car barn, an inviting club room and a temperature-controlled wine cellar—ideal for collectors and connoisseurs. Outdoors, the grounds reveal vineyard elements, flourishing gardens and a resort-style pool and cabana that enhance the property’s retreat-like atmosphere. This is a rare opportunity to secure the East Bay’s premier legacy estate before its planned renovation, offering significant upside in one of the region’s most coveted luxury enclaves.
Getting Around
Car-Dependent
Very Limited Transit
Not Bike FriendlySchools
Construction
Condition
- Property condition: Existing
- Year built: 1999
Materials
- Foundation: Raised
- Roof: Slate
- Construction materials: Stone,Stucco
Type & Style
- Home type: SingleFamily
- Architectural style: Custom,French Country
- Property subType: Residential,Single Family Residence
Interior
Appliances
- Appliances included: Dishwasher,Double Oven,Gas Range,Microwave,Oven,Range,Refrigerator,Self Cleaning Oven,Dryer,Washer
- Laundry features: Gas Dryer Hookup,Laundry Room,Common Area
Bedrooms & Bathrooms
- Bedrooms: 12
- Bathrooms: 16
- Full bathrooms: 13
- Partial bathrooms: 3
Features
- Formal Dining Room,In-Law Floorplan,Storage,Breakfast Bar,Breakfast Nook,Pantry,Updated Kitchen,Wet Bar
- Window features: Double Pane Windows
- Flooring: Hardwood
- Number of fireplaces: 6
- Fireplace features: Family Room,Gas,Living Room,Master Bedroom,Other
- Fireplace: Yes
Heating & Cooling
- Heating features: Zoned
- Cooling features: Central Air
Interior Area
- Total structure area: 22,210
- Total interior livable area: 22,210 sqft
Kitchen
- Features: Breakfast Bar,Breakfast Nook,Stone Counters,Dishwasher,Double Oven,Disposal,Gas Range/Cooktop,Kitchen Island,Microwave,Oven Built-in,Pantry,Range/Oven Built-in,Refrigerator,Self-Cleaning Oven,Updated Kitchen,Wet Bar
Property
Details
- Parcel number: 1940700782
- Special condition: Standard
- Other equipment: Irrigation Equipment
Features
- Levels: Two
- Stories: 2
- Private pool: Yes
- Pool features: Cabana,Gas Heat,Gunite,In Ground,Pool Sweep,Outdoor Pool
- Exterior features: Garden/Play,Entry Gate,Private Entrance
- Spa features: Heated
Lot
- Lot size: 101.51 Acres
- Features: Agricultural,Cul-De-Sac,Premium Lot,Secluded,Vineyard,Landscaped,Back Yard
Parking
- Total spaces: 20
- Parking features: Attached,Detached,Garage,Direct Access,RV/Boat Parking,Guest,Garage Door Opener
- Has garage: Yes
- Attached garage spaces: 20
- Covered spaces: 20
Climate Risk is Financial Risk
Every home has a financial story beyond the listing price. Below, you’ll see the climate risks that could affect this property — and in Bills & Affordability, how those risks may influence repairs, insurance, utilities, and long-term value.
Biggest Threats for This Home
- Earthquake
- Inland Flooding
- Wildfire
- Heat Wave
- Landslide
How This Home’s Risks Compare
FEMA Declared Disasters in Contra Costa County and California
Understanding the Costs
Financial advisors generally recommend spending no more than 30% of your gross household income on housing costs. In practice, many households stretch to 35% or beyond — especially in high-cost markets.
Estimated Costs Today
| Monthly | Annual | |
|---|---|---|
| Mortgage | $83,432 | $1,001,184 |
| Home Insurance * | $2,722 | $32,664 |
| Property Taxes | $10,725 | $128,700 |
| Electricity | $4,762 | $57,151 |
| Total | $101,641 | $1,219,692 |
Income You'd Need if You Spent...
California FAIR Plan Programs
How Costs Could Change Over Time
Climate risk is quickly impacting all of the major home ownership costs. Adjust the growth rates and percentage of income spent on housing below to see how your housing costs could change over the next 10 years — and what income you'd need to keep up.
Comparing Against the Market
Price Per Sq Ft
vs Other Active Listings
Avg $/sqft
vs Homes Sold Last Month
Median $/sqft
Current Market Trends
Median Price Per Square Foot
The median price per square foot of homes sold in this area each month. Compare this to this listing's price per square foot to gauge whether the home is priced in line with recent sales.
Historicals for This Listing
Zestimate History ($/sqft)
No zestimate history available
Price History
| Date | Event | Price |
|---|---|---|
| 2026-02-28 | Listed for sale | $16,500,000 |
| 2021-11-02 | Listing removed | -- |
| 2021-10-08 | Listed for rent | $35,000 |
| 2021-06-30 | Sold | $16,900,000 |
| 2017-01-02 | Listing removed | $28,000,000 |
| 2016-03-25 | Price change | $28,000,000 |
| 2016-01-29 | Price change | $35,000,000 |
| 2015-12-08 | Price change | $42,000,000 |
| 2015-12-03 | Price change | $35,000,000 |
| 2013-06-27 | Listed for sale | $42,000,000 |
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