3644 Spring Mountain Rd, Saint Helena, CA 94574

Off Market Jan 2025 for $6.7M

$9,870,381

•

6,136

sq ft

3644 Spring Mountain Rd, Saint Helena, CA 94574

About this home

Crowning a sun-drenched knoll on Spring Mountain, this ultra-modern estate redefines luxury living with innovative design and expansive vistas of mountains near and far, the Napa Valley floor, and hillside vineyards. This architectural masterpiece comfortably sleeps 14 and features soaring ceilings, stunning walls of glass, a breathtaking promenade, and seamless indoor-outdoor living areas. The primary suite on the main level offers a refuge with a spa-like experience, including a framed view of Mt. St. Helena, a luxurious bathroom, private offices, and a large walk-in closet with hidden storage. For the discerning buyer, the property offers an incredible wine room with storage bays, smart home technology, an elevator, and solar panels. For entertainment, the property includes a dedicated gym, a built-in barbeque, an infinity pool and spa, a vast outdoor entertaining area, walking trails, and a bocce ball court. Additionally, the 1,073 sq.ft. guest cottage features a private entrance, a wraparound deck with valley views, raised ceilings, and a kitchenette. Situated in a world-class destination, this estate offers unbounded luxury living where no detail has been missed, pushing the limits of your imagination.

Single-familyProperty Type

2017Year Built

59.68 acresLot Size

$1,609Est. Price/Sq.Ft.

3 garage spacesParking

Listed by Carole Sauers •DRE #01800947 • Golden Gate Sotheby's International Realty

•707-888-1256 (agent)

•carole@carolesauers.com (agent)

Bought with Carole Sauers •DRE #01800947 • Golden Gate Sotheby's International Realty

Redfin checked: a minute ago

•Source:BAREIS #324036699

Redfin Estimate

$9,870,381

$3.1M since sold in January 2025$713K since July

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 58.6% higher than the average sale price ($6.22M) of 6 comparable homes.

SOLD JUN 25, 2026
$4,100,000
A
4 beds4 baths4,721 sq ft
7007 Erland Rd, Santa Rosa, CA 95404
SOLD MAY 28, 2026
$2,200,000
B
3 beds3.5 baths6,187 sq ft
3057 St. Helena Hwy, Saint Helena, CA 94574
SOLD DEC 3, 2025
$3,200,000
C
4 beds4.5 baths3,100 sq ft
1450 Diamond Mountain Rd, Calistoga, CA 94515
SOLD JUN 18, 2026
$18,500,000
D
5 beds6.5 baths10,750 sq ft
232 N Fork Crystal Springs Rd, Saint Helena, CA 94574
SOLD JUL 24, 2026
$5,750,000
E
3 beds2.5 baths2,668 sq ft
2893 Saint Helena Hwy N, St Helena, CA 94574
SOLD JUL 21, 2026
$3,600,000
F
5 beds5 baths3,290 sq ft
905 Charter Oak Ave, Saint Helena, CA 94574

Claim this home to receive a free report every month with insights on the changing estimate.

Market trends in 94574, CA

Last updated July 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-List Price

96.4%

1.2% MoM

Median sale price

$2.2M

$38K MoM

Avg. days on market

60d

24 days MoM

Recently sold homes

0 MoM

New listings for sale

EARLY ACCESS
$4,250,000
4 beds5 baths2,700 sq ft
104 Camino Vis, Saint Helena, CA 94574
EARLY ACCESS
$1,995,000
2 beds2 baths1,182 sq ft
1541 Adams St, Saint Helena, CA 94574
$3,295,000
3 beds2 baths1,885 sq ft
1261 Spring Brook Ct, Saint Helena, CA 94574
$289,000
2 beds2 baths1,440 sq ft
54 Laguna Seca Ct, St Helena, CA 94574
OPEN SAT, 1:30PM TO 4:30PM
$3,499,000
2 beds2 baths1,488 sq ft
3588 Silverado N, Saint Helena, CA 94574
$1,095,000
3 beds2.5 baths1,593 sq ft
980 Allison Ave, Saint Helena, CA 94574
$1,200,000
4 beds4 baths2,400 sq ft
1046 Pope St, Saint Helena, CA 94574
$1,800,000
6 beds7 baths2,385 sq ft
1034 Pope St, Saint Helena, CA 94574
$950,000
3 beds2 baths1,316 sq ft
Saint Helena, CA 94574
See all

Provided by Redfin

Sale history for 3644 Spring Mountain Rd

Year

Property tax

Land + Additions

Assessment*

2025

$78,916 (+2.0%)

$2,305,094 + $5,182,908

$7,488,002

2024

$77,340 (+1.3%)

$2,305,094 + $5,182,908

$7,488,002

2023

$76,343 (+2.9%)

$2,259,897 + $5,081,283

$7,341,180

2022

$74,168 (+1.3%)

$2,215,586 + $4,981,650

$7,197,236

2021

$73,207 (+1.0%)

$2,172,144 + $4,883,971

$7,056,115

2020

$72,464 (+1.8%)

$2,129,553 + $4,788,207

$6,917,760

2019

$71,210 (+1.6%)

$2,107,718 + $4,739,110

$6,846,828

2018

$70,059 (+1.9%)

$2,066,391 + $4,646,187

$6,712,578

2017

$68,755 (+2.1%)

$1,986,151 + $4,465,771

$6,451,922

2016

$67,313 (+13.9%)

$1,986,151 + $4,465,771

$6,451,922

2015

$59,087 (+13.9%)

$1,947,207 + $4,378,207

$6,325,414

2014

$51,856 (+82.4%)

$1,880,389 + $2,951,584

$4,831,973

2012

$28,422 (−9.4%)

$1,871,891 + $2,153,961

$4,025,852

2011

$31,374 (+2.8%)

$1,835,188 + $866,629

$2,701,817

2010

$30,514

$1,799,204 + $1,183,708

$2,982,912

2009

$30,508 (+33.6%)

$1,785,758 + $1,139,370

$2,925,128

2008

$22,831

$1,790,000 + $1,110,000

$2,900,000

Tax history for 3644 Spring Mountain Rd

Year

Property tax

Land + Additions

Assessment*

2025

$78,916 (+2.0%)

$2,305,094 + $5,182,908

$7,488,002

2024

$77,340 (+1.3%)

$2,305,094 + $5,182,908

$7,488,002

2023

$76,343 (+2.9%)

$2,259,897 + $5,081,283

$7,341,180

2022

$74,168 (+1.3%)

$2,215,586 + $4,981,650

$7,197,236

2021

$73,207 (+1.0%)

$2,172,144 + $4,883,971

$7,056,115

2020

$72,464 (+1.8%)

$2,129,553 + $4,788,207

$6,917,760

2019

$71,210 (+1.6%)

$2,107,718 + $4,739,110

$6,846,828

2018

$70,059 (+1.9%)

$2,066,391 + $4,646,187

$6,712,578

2017

$68,755 (+2.1%)

$1,986,151 + $4,465,771

$6,451,922

2016

$67,313 (+13.9%)

$1,986,151 + $4,465,771

$6,451,922

2015

$59,087 (+13.9%)

$1,947,207 + $4,378,207

$6,325,414

2014

$51,856 (+82.4%)

$1,880,389 + $2,951,584

$4,831,973

2012

$28,422 (−9.4%)

$1,871,891 + $2,153,961

$4,025,852

2011

$31,374 (+2.8%)

$1,835,188 + $866,629

$2,701,817

2010

$30,514

$1,799,204 + $1,183,708

$2,982,912

2009

$30,508 (+33.6%)

$1,785,758 + $1,139,370

$2,925,128

2008

$22,831

$1,790,000 + $1,110,000

$2,900,000

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Public record

Public record
Zoning
Permits

Beds

—

Baths

3.5

Stories

—

Lot width

—

Lot depth

—

Lot size

59.68 Acres

Year renovated

—

Sq. Ft.

6,863

Year built

2015

Style

Vacant Land

County

Napa County

APN

22150010000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Jul 15, 2026.

Agricultural Watershed District

The AW district classification is intended to be applied in those areas of the county where the predominant use is agriculturally oriented, where watershed areas, reservoirs and floodplain tributaries are located, where development would adversely impact on all such uses, and where the protection of agriculture, watersheds and floodplain tributaries from fire, pollution and erosion is essential to the general health, safety and welfare.

Permitted uses

Include but are not limited to:

Agriculture
Housing-Single unit
Housing-Senior
Housing-Other
Office
Recreation
Communications tower

Property details

Parking

Parking & Garage Information
Parking Total: 10
Parking Features: Attached, Covered, Detached, Garage Door Opener, Interior Access
Garage Spaces: 3
Driveway Sidewalks: Gated, Paved Driveway

Interior

Bathroom Information
# of Bathrooms (Total): 6
# of Bathrooms (Full): 5
# of Bathrooms (Partial): 1
Master Bathroom Features: Bidet, Double Sinks, Quartz, Shower Stall(s), Soaking Tub, Stone, Window
Other Bathroom Features: Quartz, Shower Stall(s), Tile, Tub w/Shower Over

Bedroom Information
# of Bedrooms (Total): 4
Master Bedroom Features: Sitting Area, Walk-In Closet

Heating & Cooling
Cooling: Central, MultiUnits, MultiZone, Room Air, Other
Heating: Central, Fireplace(s), MultiZone, Radiant, Other

Interior Features
Appliances: Built-In Electric Oven, Built-In Refrigerator, Compactor, Dishwasher, Disposal, Gas Cook Top, Microwave, Warming Drawer, Other
Fireplaces Total: 1
Fireplace Features: Gas Piped, Living Room
Flooring: Tile, Wood
Interior Features: Cathedral Ceiling, Skylight(s), Storage Area(s)
Laundry Features: Cabinets, Inside Area, Sink, Washer/Dryer Stacked Included
Security Features: Fire Suppression System, Security Gate, Security System Owned
# of Stories: 3

Room Information
Room Types: Game Room, Kitchen, Laundry, Living Room, Media Room, Office, Storage, Wine Cellar
Dining Room Features: Dining/Living Combo
Kitchen Features: Butlers Pantry, Island w/Sink, Marble Counter, Pantry Cabinet
Living Room Features: Cathedral/Vaulted, Sunken, View
Main Level: Full Bath(s), Kitchen, Living Room, Partial Bath(s)
Lower Level: Bedroom(s), Full Bath(s), Garage

Exterior

Exterior Features
Patio And Porch Features: Covered Patio, Roof Deck, Uncovered Deck
Allows Horses: No
Exterior Features: BBQ Built-In, Kitchen, Uncovered Courtyard
Fencing: Partial
Roof: Flat

Pool Information
Pool Features: Built-In, Gas Heat, Pool Cover, Pool/Spa Combo
Has Private Pool: Yes
Has Spa: Yes
Spa Features: Spa/Hot Tub Built-In

Property Information
ADU 2nd Unit: Yes
Property Type: Residential
Property Sub Type: Single Family Residence

Lot Information
Lot Size Square Feet: 2,599,661
Lot Size Acres: 59.68
Lot Size Source: Assessor Auto-Fill
Lot Features: Auto Sprinkler F&R, Landscape Back, Landscape Front
Other Structures: Guest House, Outbuilding, Other

Utilities

Utilities Information
Utilities: Generator, Internet Available, Propane Tank Owned, Solar
Sewer: Septic System
Electric: PV-On Grid

Location

HOA Information
Association YN: No

Community Information
Senior Community: No

Public facts

Beds: —
Baths: 3.5
Sq. Ft.: 6,863
Stories: —
Lot Size: 59.68 acres
Style: Vacant Land
Year Built: 2015
Year Renovated: —
County: Napa County
APN: 22150010000

Home facts updated by county records on Jul 15, 2026

Around this home

Schools
Places
Transit

Saint Helena Elementary School

Public 3-5 • Assigned • 3.7mi

8/10

Robert Louis Stevenson Intermediate School

Public 6-8 • Assigned • 3.4mi

4/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

3/10 Fire Factor

0.31% chance of being in a wildfire in next 30 years

2/10 Heat Factor

0 hot days expected this year, 0 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

10/10 Air Factor

22 unhealthy days expected this year, 22 days in 30 years

Provided by First Street

Historical weather

Saint Helena, CA • 94574

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 11.4 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.4 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$9.38M – $11.35M

Sell confidently with a local market expert in Saint Helena. 3 minutes to get started.

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54 Laguna Seca Ct, St Helena, CA 94574

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Home values near 3644 Spring Mountain Rd

Data from public records.

Address	Redfin Estimate
4050 Spring Mountain Rd, St Helena, CA 4 Beds \| 4.5 Baths \| 2542 Sq. Ft.	$3,431,871
3505 Spring Mountain Rd, St Helena, CA 1 Beds \| 1 Baths \| 600 Sq. Ft.	—

Address	Redfin Estimate
4040 Spring Mountain Rd, Saint Helena, CA 5 Beds \| 5.5 Baths \| 6494 Sq. Ft.	$2,669,201
3851 Spring Mountain Rd, St Helena, CA 3 Beds \| 2 Baths \| 2126 Sq. Ft.	$2,971,685

Address	Redfin Estimate
3880 Spring Mountain Rd, Saint Helena, CA 2 Beds \| 2 Baths \| 2038 Sq. Ft.	—
3321 Saint Helena Hwy N, Saint Helena, CA 2 Beds \| 2 Baths \| 1512 Sq. Ft.	—

Property information provided by BAREIS when last listed in 2024. This data may not match . Learn more.

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Market trends in 94574, CA

Sale history for 3644 Spring Mountain Rd

Tax history for 3644 Spring Mountain Rd

Public record

Property details

Around this home

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94574

Home values near 3644 Spring Mountain Rd

More real estate resources