1288 Oak Knoll Avenue, Napa, CA 94558 - Photo 1

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$18,500,000 Just Listed

For Sale
Active
Single Family
6 Beds
7 Full Baths
3 Partial Baths
8,600 Sq. Ft.
4 Car Garage
Updated 6 hours ago

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Property Description & Video

Just minutes from Yountville, this 6.7 acre Napa Valley compound is a masterclass in design, engineering, and quiet luxury. Conceived by acclaimed architect Holder Parlette and built by renowned building scientist Karim Allana, the 8,600 sq ft estate delivers 6 bedrooms, 7 full baths, and 3 half baths with a level of precision rarely seen in residential construction. Surrounded by 4 acres of professionally farmed vineyards and framed by sweeping 360-degree views of the Mayacamas and Vaca ranges, the setting is both dramatic and serene. A separate 2-bedroom, 2.5-bath guest house complements the main residence, while resort-caliber amenitiesincluding a 60x20 pool with spa and an outdoor kitchen and dining pavilioncreate a seamless indoor-outdoor lifestyle. Every detail is intentional. Designed with off-grid capability and commercial-grade systems, the home pairs advanced performance with elevated design. Two luxurious primary suites, European Reynaers sliding door systems, artisan finishes, and a 12.5kW solar array are integrated into a fully smart, future-forward residence. Rare, refined, and exceptionally engineered this is Napa Valley at its most sophisticated, where sustainability meets undeniable luxury.

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Full Property Details

Full Property Details for 1288 Oak Knoll Ave

General

Price: $18,500,000
Status: Active
Type: Single Family
Source: BAREIS
MLS ID: 326004091
Updated: 4/14/2026
Added to Site: 1 day(s) ago

Interior

Rooms/Areas: Bonus Room, Family Room, Great Room, Kitchen, Primary Bedroom 2+, Office, Possible Guest, Wine Storage Area
Interior Features: Formal Entry, Beamed Ceiling
Fireplace: Yes
Number of Fireplaces: 2
Fireplace(s): Family Room, Gas Starter, Living Room, Outside
Appliances: Built-In Gas Range, Built-In Refrigerator, Dishwasher, Wine Refrigerator
Flooring: Concrete, Wood

Rooms

Bathrooms

Total Bathrooms: 10
Full Bathrooms: 7
Half Bathrooms: 3

Bedrooms

Total Bedrooms: 6
Primary Bedroom: Balcony, Ground Floor, Outside Access, Sitting Area, Walk-In Closet

Other Rooms

Living Room: Great Room, Open Beam Ceiling, View
Family Room: View
Kitchen: Breakfast Area, Island w/Sink, Stone Counter
Dining Room: Dining/Living Combo
Laundry: Cabinets, Dryer Included, Ground Floor, Inside Room, Washer Included, Other

Additional Information

Pool: Yes
Pool Description: Built-In, Pool Cover, Pool/Spa Combo
Security/Safety: Double Strapped Water Heater, Fire Alarm, Fire Suppression System, Secured Access, Security Gate, Security System Owned, Smoke Detector

Exterior

Exterior Features: Balcony, Built-In Barbeque, Fire Pit, Kitchen

Parking

Garage: Yes
Garage Spaces: 4
Garage Description: Attached, Other

Location

Cross Streets: Big Ranch Rd
Driving Directions: Big Ranch Rd to Oak Knoll Rd.

Heating & Cooling

Cooling Type: Central
Heating Type: Central

Utilities

Sewer: Septic System
Water: Well
Utility Description: Electricity, Propane Tank Owned, Public, Solar, Other

Structural Information

Architectural Style: Modern/High Tech
Construction: Stone, Wood Siding
Roof: Metal
Stories/Levels: 2
Square Feet: 8,600
Sq. Ft. Source: Builder
Year Built: 2025

Lot Features

Property View: Mountains, Vineyard
Mountain views: Yes
Lot Size (Acres): 6.72
Lot Size (Sq. Ft.): 292,723
Lot Description: Auto Sprinkler F&R, Garden, Landscape Back, Landscape Front, Landscape Misc, Private

Disclosures and Reports

Special Conditions: Offer As Is, Other

Listing provided by Sotheby's International Realty, Ginger Martin

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Listing agent

— 1288 Oak Knoll Ave —

Ginger Martin

Sotheby's International Realty

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Schools

Schools serving 1288 Oak Knoll Ave

School District:Napa Valley Unified School District

Name	Grades	Distance
Willow Elementary 1480 El Centro Avenue, Napa, CA 94558	K-5	1.5 mi
Redwood Middle School, Napa, CA 3600 Oxford Street, Napa, CA 94558	6-8	2.6 mi
Vintage High School 1375 Trower Avenue, Napa, CA 94558	9-12	2 mi

Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Tax History

Tax History for 1288 Oak Knoll Ave

Year

Property Taxes

Change

Tax Assessment

Change

2025

$118,642

102%

$10,637,050

82%

2024

$58,736

30%

$5,838,473

43%

2023

$45,305

23%

$4,071,682

24%

2022

$36,695

2%

$3,274,200

2%

2021

$36,118

11%

$3,210,000

11%

2020

$32,578

2%

$2,882,510

2%

2019

$31,951

2%

$2,825,992

2%

2018

$31,423

2%

$2,770,582

2%

2017

$30,907

1%

$2,716,258

2%

2016

$30,615

6%

$2,663,000

2%

2015

$28,827

1%

$2,623,001

2%

2014

$28,444

17%

$2,571,621

17%

2013

$24,341

—

$2,190,713

—

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Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Estimate the Cost

Estimate the Cost for 1288 Oak Knoll Ave

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Just Listed

$799,000

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Active
Updated 1 day ago

6
Beds
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Total Baths
4,525
Sq. Ft.

Listed by WST Properties Inc.

Price Reduced

-$40,000 (-4.32%)

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3
Beds
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Total Baths
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Price Reduced

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$237,500

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Residential Lots
Active
Updated 5 days ago

0.2279
Acres

Listing provided by Sotheby's International Realty, Hannah M Perot

1288 Oak Knoll Avenue, Napa, CA 94558 (MLS# 326004091) is a Single Family property with 6 bedrooms, 7 full bathrooms and 3 partial bathrooms. 1288 Oak Knoll Avenue is currently listed for $18,500,000 and was received on April 13, 2026. Want to learn more about 1288 Oak Knoll Avenue? Do you have questions about finding other Single Family real estate for sale in Napa? You can browse all Napa real estate or contact a Coldwell Banker agent to request more information.

1288 Oak Knoll Ave Napa, CA 94558