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3100 Sonoma Mountain Rd, Petaluma, CA, 94954

10beds
10baths
14,966sqft
$39,995,000
$2,672price/sqft
$235,037/moest. monthly cost
$9,401,480/yrincome needed

About This Home

The Summit is a world entirely of its own, offering an unmatched level of privacy, seclusion, and self-sufficiency in one of Northern California's most breathtaking natural settings. Surrounded by panoramic views stretching from Mt. Tamalpais and Mt. Diablo to San Pablo Bay and the San Francisco skyline, the estate was designed as a private retreat for those seeking space, independence, and complete escape from the outside world. Rolling meadows, lakes, canyon systems, swimming holes, native oak groves, and millions of seasonal daffodils create an environment that feels both expansive and deeply serene. The property includes multiple residences, a 12-car garage, barns, and three state-of-the-art greenhouses, allowing for multi-generational living, private events, agricultural use, or wellness retreats. Extensive infrastructure, water resources, backup power systems, and fire mitigation measures provide a rare sense of security and long-term sustainability. The Summit presents a once-in-a-generation opportunity to own a sovereign estate where privacy, natural beauty, and self-reliance exist in complete harmony.

Getting Around

0
WalkingCar-Dependent
0
TransitNo Nearby Transit
23
BikeSomewhat Bikeable

Schools

6/10
Sonoma Charter SchoolGrades K-84.1 mi
2/10
Altimira Middle SchoolGrades 6-83.7 mi
7/10
Sonoma Valley High SchoolGrades 9-126.5 mi

Construction

Condition

  • Year built: 2016

Materials

  • Foundation: Other
  • Roof: Metal
  • Construction materials: Brick,Concrete

Type & Style

  • Home type: SingleFamily
  • Architectural style: Contemporary
  • Property subType: Single Family Residence,Residential

Interior

Appliances

  • Appliances included: Dishwasher,Range Hood,Double Oven,Built In Gas Oven/Range,Wine Refrigerator,Dryer,Washer
  • Laundry features: Inside

Bathroom

  • Features: DoubleSinks, Marble, Stone, TubinPrimaryBedroom

Bedroom

  • Features: WalkinCloset, PrimaryBedroomonGroundFloor

Bedrooms & Bathrooms

  • Bedrooms: 10
  • Bathrooms: 10
  • Full bathrooms: 7
  • 1/2 bathrooms: 3

Dining Room

  • Features: DiningFamilyCombo, FormalDiningRoom

Family Room

  • Features: KitchenFamilyRoomCombo

Features

  • High Ceilings,Open Beam Ceiling
  • Flooring: Stone,Tile,Wood
  • Number of fireplaces: 3
  • Fireplace features: Gas Starter,Living Room

Heating & Cooling

  • Heating features: Central Forced Air,2 plus Zones,Propane,Radiant,Radiant Floor
  • Cooling features: Central Air,Zoned

Interior Area

  • Total structure area: 14,966
  • Total interior livable area: 14,966 sqft

Kitchen

  • Features: Countertop_Marble, Island, Pantry

Property

Details

  • Parcel number: 136450001
  • Zoning: SFR
  • Special condition: Standard

Features

  • Has view: Yes
  • View description: City Lights,Mountain(s),Vineyard

Lot

  • Lot size: 1,119 Acres

Parking

  • Total spaces: 4
  • Parking features: Garage Door Opener
  • Has garage: Yes
  • Attached garage spaces: 4
  • Covered spaces: 4

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
    EarthquakeVery High
  • Inland Flooding
    Inland FloodingVery High
  • Drought
    DroughtRelatively High
  • Wildfire
    WildfireRelatively High
  • Landslide
    LandslideModerate

How This Home’s Risks Compare

Earthquake
Inland Flooding
Drought
Wildfire
Landslide

FEMA Declared Disasters in Sonoma County and California

Earthquake
Flood
Mud Landslide
Severe Ice Storm
Severe Storm
Snowstorm
Straight Line Winds
Tropical Storm
Winter Storm

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

MonthlyAnnual
Mortgage $202,236$2,426,832
Home Insurance *$7,929$95,148
Property Taxes $21,663$259,956
Electricity $3,209$38,511
Total$235,037$2,820,444
*Does not include cost of any FAIR Plan premiums

Income You'd Need if You Spent...

35% on housing$8,058,411/yr
40% on housing$7,051,110/yr
45% on housing$6,267,653/yr

California FAIR Plan Programs

California FAIR Plan Association

Covered
WildfireWildfire
Visit Website →
Current Policies
Residential: 417,310Commercial: 13,990
Total Premiums$1.42B
Total Exposure$429.84B

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.

Insurance Growth Rate5-year average: 10.2%
10.2%
0%30.0%
Electricity Growth Rate10-year average: 4.3%
4.3%
0%15.0%
Property Taxes Growth Rate2-year average: -1.0%
-1.0%
0%15.0%
Income Spent on Housing
30%
30%45%

Comparing Against the Market

Price Per Sq Ft

$2,672This listing

vs Other Active Listings

Avg $/sqft

ZIP 94954$575
Sonoma County$596

vs Homes Sold Last Month

Median $/sqft

ZIP 94954$475
Sonoma County$504

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

DateEventPrice
2026-05-20Listed for sale$39,995,000

For Sale by Agent

Agent The Dreyfus Group
BrokerageGolden Gate Sotheby's International Realty

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