Active

$1,349,000

1866 Happy Valley Road, Santa Rosa, CA 95409

4beds

4,820sqft

$9,161/mo

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Single Family Residence

Built in 1990

0.39 Acres Lot

$1,300,800 Zestimate^®

$280/sqft

$79/mo HOA

What's special

Temperature-controlled wine cellarFitness roomSpa-like bathMain-level livingLuxurious primary suitePark-like groundsDual walk-in closets

Prestigiously positioned in Montecito Heights, this stunning 4,820 sq ft estate on .39 acres offers 4 bedrooms, 3 full baths, and an exceptional blend of luxury, privacy, and functionality. Dramatic ceilings, walls of glass, and treetop views fill the home with natural light. Designed for effortless main-level living, highlights include two fireplaces, formal dining, a chef's kitchen with breakfast nook, and a luxurious primary suite with dual walk-in closets and spa-like bath. Flexible spaces include a temperature-controlled wine cellar, executive office with private entrance, fitness room, soundproof studio, expansive bonus room, conditioned storage, and 3-car garage. Multiple decks overlook park-like grounds and open space beyond, creating seamless indoor-outdoor living. Just minutes to downtown Santa Rosa, yet worlds away.

1 day
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Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 4
Bathrooms: 3
Full bathrooms: 3

Rooms

Room types: Bonus Room, Laundry, Master Bathroom, Master Bedroom, Media Room, Office, Storage, Temp Controlled Room, Wine Cellar, Wine Storage Area

Primary bedroom

Features: Closet, Ground Floor, Outside Access, Walk-In Closet(s), Walk-In Closet 2+
Level: Main

Bedroom

Level: Upper

Primary bathroom

Features: Double Vanity, Low-Flow Shower(s), Low-Flow Toilet(s), Outside Access, Soaking Tub, Tile, Window

Bathroom

Level: Main,Upper

Dining room

Features: Formal Area, Formal Room
Level: Main

Family room

Features: Cathedral/Vaulted, Deck Attached
Level: Main

Kitchen

Features: Breakfast Area, Kitchen/Family Combo, Pantry Cabinet, Quartz Counter, Breakfast Nook, Space in Kitchen
Level: Main

Living room

Features: Cathedral/Vaulted, Deck Attached, Sunken, View
Level: Main

Heating

Central, Fireplace(s)

Cooling

Ceiling Fan(s), Central Air

Appliances

Included: Dishwasher, Disposal, Free-Standing Gas Range, Range Hood, Microwave
Laundry: Cabinets, Hookups Only, Upper Level

Features

Cathedral Ceiling(s), Formal Entry, Storage
Flooring: Carpet, Marble, Stone, Tile, Wood
Windows: Caulked/Sealed, Dual Pane Partial, Low Emissivity Windows
Basement: Partial
Number of fireplaces: 2
Fireplace features: Family Room, Living Room, Wood Burning

Interior area

Total structure area: 4,820
Total interior livable area: 4,820 sqft

Video & virtual tour

Property

Parking

Total spaces: 5
Parking features: Attached, Garage Door Opener, Garage Faces Front, Inside Entrance, Other, Paved
Attached garage spaces: 3
Has uncovered spaces: Yes

Features

Levels: Three Or More
Stories: 3
Patio & porch: Enclosed
Fencing: Back Yard,Fenced,Partial
Has view: Yes
View description: Trees/Woods

Lot

Size: 0.39 Acres
Features: Court, Cul-De-Sac, Curb(s), Curb(s)/Gutter(s), Landscape Front, Low Maintenance, Sidewalk/Curb/Gutter

Details

Additional structures: Gazebo
Parcel number: 181100036000
Special conditions: Standard

Construction

Type & style

Home type: SingleFamily
Property subtype: Single Family Residence

Materials

Roof: Composition

Condition

Year built: 1990

Utilities & green energy

Sewer: Public Sewer
Water: Public
Utilities for property: Internet Available, Public

Community & HOA

Community

Security: Carbon Monoxide Detector(s), Double Strapped Water Heater, Smoke Detector(s)
Subdivision: Alta Vista Heights

HOA

Has HOA: Yes
Amenities included: Greenbelt
Services included: Common Areas, Management, Road
HOA fee: $950 annually
HOA name: Alta Vista Heights HOA
HOA phone: 707-539-2828

Location

Region: Santa Rosa

Financial & listing details

Price per square foot: $280/sqft
Tax assessed value: $1,159,482
Date on market: 9/30/2026
Road surface type: Paved

Estimated market value

$1,300,800

$1.24M - $1.37M

$5,033/mo

Price history

Date	Event	Price
9/30/2026	Listed for sale	$1,349,000+1%$280/sqft
Source: BAREIS #326082060 Report a problem
12/25/2025	Listing removed	$1,335,000$277/sqft
Source: BAREIS #325067462 Report a problem
11/28/2025	Listed for sale	$1,335,000$277/sqft
Source: BAREIS #325067462 Report a problem
11/18/2025	Pending sale	$1,335,000$277/sqft
Source: BAREIS #325067462 Report a problem
9/18/2025	Price change	$1,335,000-1%$277/sqft
Source: BAREIS #325067462 Report a problem
9/3/2025	Price change	$1,349,000-7%$280/sqft
Source: BAREIS #325067462 Report a problem
8/25/2025	Price change	$1,450,000-3.3%$301/sqft
Source: BAREIS #325067462 Report a problem
8/8/2025	Listed for sale	$1,499,000+274.8%$311/sqft
Source: BAREIS #325067462 Report a problem
12/30/2022	Sold	$400,000-20%$83/sqft
Source: Public Record Report a problem
1/25/2011	Sold	$500,000-48.7%$104/sqft
Source: Public Record Report a problem
4/30/2009	Listing removed	$975,000$202/sqft
Source: Homes & Land #20730707 Report a problem
2/2/2008	Listed for sale	$975,000+30.9%$202/sqft
Source: Homes & Land #20730707 Report a problem
8/23/2002	Sold	$745,000$155/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2026	--	$1,159,482 +81%
2025	$7,607 +1.6%	$640,579 +2%
2024	$7,488 +3.8%	$628,020 +2%
2023	$7,211 +4.3%	$615,706 +2%
2022	$6,916 +2%	$603,634 +2%
2021	$6,779 +0.4%	$591,799 +1%
2020	$6,754 +0.9%	$585,732 +2%
2019	$6,693 +0.6%	$574,248 +2%
2018	$6,652 +1.8%	$562,989 +2%
2017	$6,532 +1%	$551,951 +2%
2016	$6,466 +3.1%	$541,129 +1.5%
2015	$6,274 +3.7%	$533,001 +2%
2014	$6,047 -99%	$522,561 +0.5%
2013	$588,784	$520,200 +2%
2012	--	$510,000 -30.9%
2011	--	$738,000 -9.8%
2010	--	$818,000 +2.7%
2009	--	$796,250 -3.1%
2008	--	$821,486 +2%
2007	--	$805,380 +2%
2006	--	$789,589 +2%
2005	--	$774,108 +2%
2004	--	$758,931 +1.9%
2003	--	$745,000 +42.4%
2002	--	$523,004 +2%
2001	--	$512,750 +8.7%
2000	--	$471,544