506 Sanitarium Rd, Saint Helena, CA 94574

Off market feb 2022 for $1.2M

$1,377,887

Est. refi paymentEst. refi $8,332/mo

•

1,876

sq ft

506 Sanitarium Rd, Saint Helena, CA 94574

About this home

Come see this Victorian charmer in St. Helena! This beautiful 3 bedroom home is situated on nearly 1 acre and has more than 1800 square feet of living space. Just minutes from downtown where you can enjoy wine tasting, fine dining, and shopping at all of the boutiques. If relaxation is your thing, head over to the pool for some fun in the sun while enjoying the privacy of your own backyard. Also included is a detached 1 bedroom / 1 bathroom cottage plus a detached shop with an upstairs bonus room that you can use as an office, art studio, game, or meditation room. Don't let this one getaway!

Multi-familyProperty Type

1900Year Built

0.75 acresLot Size

$734Est. Price/Sq.Ft.

8 spacesParking

Listed by Cole Dickinson •DRE #02128160 • W Real Estate

•707-540-5846 (agent)

•cole@thiessengroup.com (agent)

Listed by Thiessen Group •DRE #01706979 • W Real Estate

•707-322-9573 (agent)

•vicki@thiessengroup.com (agent)

Bought with Lisa Albertson •DRE #01480372 • Vanguard Properties

Redfin checked: 3 minutes ago

•Source:BAREIS #321115155

Redfin Estimate

$1,377,887

$128K since sold in February 2022$18K since October

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 8.4% higher than the average sale price ($1.27M) of 6 comparable homes.

SOLD OCT 14, 2026
$1,555,000
A
3 beds2 baths1,668 sq ft
1133 Oak Ave, Saint Helena, CA 94574
SOLD OCT 9, 2026
$1,000,000
B
3 beds2 baths2,296 sq ft
1201 Edwards St, Saint Helena, CA 94574
SOLD SEP 10, 2026
$685,000
C
3 beds2 baths1,440 sq ft
21 Goodwells Ave, Angwin, CA 94508
SOLD AUG 27, 2026
1843 Spring Mountain Ct, Saint Helena, CA 94574
$2,275,000
D
3 beds2 baths1,943 sq ft
1843 Spring Mountain Ct, Saint Helena, CA 94574
SOLD SEP 9, 2026
$1,309,000
E
3 beds2 baths1,698 sq ft
1739 Park St, Saint Helena, CA 94574
SOLD MAR 26, 2026
$800,000
F
2 beds2 baths1,886 sq ft
111 Lilac Ln, Saint Helena, CA 94574

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Earn from this home

Refinance

Est. cash available

Get cash now or lower your monthly rate

Market trends in 94574, CA

Last updated October 2026

Buyer's Market

Seller's Market

Buyer's market

Sale-to-list price

91.3%

0.3% MoM

Median sale price

$1.8M

$395K MoM

Avg. days on market

99d

25 days MoM

Recently sold homes

5 MoM

New listings for sale

OPEN TODAY, 10AM TO 1PM
$1,150,000
4 beds4.5 baths1,858 sq ft
859 Pratt Ave, Saint Helena, CA 94574
OPEN SAT, 12PM TO 4PM
$1,400,000
3 beds1.5 baths1,587 sq ft
1644 N Grayson Ave, Saint Helena, CA 94574
$5,895,000
4 beds4.5 baths4,300 sq ft
1551 Spring St, Saint Helena, CA 94574
See all

Provided by Redfin

Sale history for 506 Sanitarium Rd

Year

Property tax

Land + Additions

Assessment*

2026

$14,358 (+2.0%)

$974,188 + $378,850

$1,353,038

2025

$14,079 (+2.0%)

$974,188 + $378,850

$1,353,038

2024

$13,798 (+1.3%)

$955,087 + $371,422

$1,326,509

2023

$13,621 (+234.0%)

$936,360 + $364,140

$1,300,500

2022

$4,079 (+1.4%)

$918,000 + $357,000

$1,275,000

2021

$4,020 (+1.6%)

$111,589 + $266,191

$377,780

2020

$3,955 (+1.8%)

$109,401 + $260,972

$370,373

2019

$3,885 (+1.6%)

$108,280 + $258,297

$366,577

2018

$3,824 (+1.9%)

$106,157 + $253,233

$359,390

2017

$3,751 (+2.4%)

$102,036 + $243,400

$345,436

2016

$3,662 (+1.0%)

$102,036 + $243,400

$345,436

2015

$3,626 (+1.8%)

$100,036 + $238,628

$338,664

2014

$3,563 (+4.6%)

$96,604 + $230,440

$327,044

2012

$3,407 (+2.0%)

$96,168 + $229,399

$325,567

2011

$3,339 (+1.6%)

$94,283 + $224,901

$319,184

2010

$3,287 (−0.6%)

$92,435 + $220,492

$312,927

2009

$3,306 (+2.3%)

$91,745 + $218,845

$310,590

2008

$3,233

$91,962 + $219,364

$311,326

Tax history for 506 Sanitarium Rd

Year

Property tax

Land + Additions

Assessment*

2026

$14,358 (+2.0%)

$974,188 + $378,850

$1,353,038

2025

$14,079 (+2.0%)

$974,188 + $378,850

$1,353,038

2024

$13,798 (+1.3%)

$955,087 + $371,422

$1,326,509

2023

$13,621 (+234.0%)

$936,360 + $364,140

$1,300,500

2022

$4,079 (+1.4%)

$918,000 + $357,000

$1,275,000

2021

$4,020 (+1.6%)

$111,589 + $266,191

$377,780

2020

$3,955 (+1.8%)

$109,401 + $260,972

$370,373

2019

$3,885 (+1.6%)

$108,280 + $258,297

$366,577

2018

$3,824 (+1.9%)

$106,157 + $253,233

$359,390

2017

$3,751 (+2.4%)

$102,036 + $243,400

$345,436

2016

$3,662 (+1.0%)

$102,036 + $243,400

$345,436

2015

$3,626 (+1.8%)

$100,036 + $238,628

$338,664

2014

$3,563 (+4.6%)

$96,604 + $230,440

$327,044

2012

$3,407 (+2.0%)

$96,168 + $229,399

$325,567

2011

$3,339 (+1.6%)

$94,283 + $224,901

$319,184

2010

$3,287 (−0.6%)

$92,435 + $220,492

$312,927

2009

$3,306 (+2.3%)

$91,745 + $218,845

$310,590

2008

$3,233

$91,962 + $219,364

$311,326

*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

Beds

Baths

Stories

Lot width

—

Lot depth

—

Lot size

0.75 Acres

Year renovated

1907

Sq. Ft.

560

Year built

1907

Style

Vacant Land

County

Napa County

APN

21260009000

Parking Spaces

—

Basement

—

Accessible

—

HOA Dues

—

Garage

—

Features

—

Last updated by owner on Oct 8, 2026.

B-5

Residential Single District

The RS district classification is intended to be applied in appropriate locations to allow residential developments of varying population density to meet the housing needs of present and future population in the unincorporated area in accordance with the county's general plan. RS districts will be located within established urban areas where existing urban services and facilities are adequate to serve the intended development. Limited RS development is intended to assist in the preservation of the natural and agricultural resources of the county. The RS district is also intended to serve the following purposes: To regulate the density of population; To promote stability of residential development; To conserve the value of land and buildings; To regulate the bulk of buildings; To provide for open space in residential areas.

Zone overlays

Permitted uses

Include but are not limited to:

Housing-Single unit
Housing-Multiple units
Housing-Senior
Housing-Other
Educational/school
Communications tower

Property details

Parking

Parking & Garage Information
Parking Total: 8
Parking Features: Covered, Detached, Mechanical Lift, No Garage, RV Access
Driveway Sidewalks: Gated, Paved Driveway

Interior

Bathroom Information
# of Bathrooms (Total): 2
# of Bathrooms (Full): 2
Master Bathroom Features: Double Sinks, Tub w/Shower Over
Other Bathroom Features: Double Sinks

Bedroom Information
# of Bedrooms (Total): 3
Master Bedroom Features: Balcony, Closet

Heating & Cooling
Cooling: Wall Unit(s)
Heating: Central, Fireplace(s)

Interior Features
Appliances: Built-In Gas Oven, Built-In Gas Range, Built-In Refrigerator, Dishwasher
Fireplaces Total: 1
Fireplace Features: Brick, Family Room, Free Standing, Wood Burning, Wood Stove
Flooring: Carpet, Simulated Wood, Tile
Laundry Features: Ground Floor, Inside Area
Security Features: Carbon Mon Detector, Smoke Detector, Other
# of Stories: 2

Room Information
Room Types: Family Room, In Law Apartment, Kitchen, Loft, Workshop
Dining Room Features: Dining/Living Combo
Family Room Features: Deck Attached
Kitchen Features: Skylight(s), Tile Counter
Levels: Two
Main Level: Bedroom(s), Dining Room, Family Room, Full Bath(s), Kitchen, Street Entrance
Upper Level: Bedroom(s), Full Bath(s)

Exterior

Exterior Features
Patio And Porch Features: Back Porch, Front Porch, Uncovered Deck
Allows Horses: No
Exterior Features: Balcony, Entry Gate
Fencing: Wire, Wood
Roof: Composition

Pool Information
Pool Features: Built-In, Fiberglass, Pool Cover, Pool House
Has Private Pool: Yes
Has Spa: No

Property Information
ADU 2nd Unit: Yes
Property Condition: Updated/Remodeled
Property Type: Residential
Property Sub Type: 2 Houses on Lot

Lot Information
Lot Size Square Feet: 32,539
Lot Size Acres: 0.747
Lot Size Source: Assessor Auto-Fill
Lot Features: Secluded
Other Structures: Guest House, Outbuilding

Utilities

Utilities Information
Sewer: Septic Connected, Septic System
Electric: 220 Volts in Laundry

Location

HOA Information
Association YN: No

Community Information
Senior Community: No

Public facts

Beds: 1
Baths: 1.0
Sq. Ft.: 560
Stories: 2.0
Lot Size: 0.75 acres
Style: Vacant Land
Year Built: 1907
Year Renovated: 1907
County: Napa County
APN: 21260009000

Home facts updated by county records on Oct 8, 2026

Around this home

Schools

K - 12
Preschool & daycare

Saint Helena Elementary School

Public 3-5 • Assigned • 2.2mi

8/10

Robert Louis Stevenson Intermediate School

Public 6-8 • Assigned • 2.0mi

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

4/10 Fire Factor

2% chance of being in a wildfire in next 30 years

5/10 Heat Factor

7 days above 99° expected this year, 17 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 11.7 hours in June and 4.9 hours in December, placing it above the U.S. average for solar exposure.

11.7 hrs

4.9 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$1.31M – $1.59M

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

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Enclosed yard • Vineyard views • Historic railroad

OPEN SAT, 12PM TO 4PM

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Home values near 506 Sanitarium Rd

Data from public records.

Address	Redfin Estimate
516 Sanitarium Road, Saint Helena, CA 2 Beds \| 1 Baths \| 816 Sq. Ft.	$770,366
505 Sanitarium Road, Saint Helena, CA 3 Beds \| 2.5 Baths \| 1627 Sq. Ft.	$833,118
466 Elmshaven Road, Saint Helena, CA 2 Beds \| 2 Baths \| 897 Sq. Ft.	—

Address	Redfin Estimate
514 Sanitarium Road, Saint Helena, CA 3 Beds \| 3 Baths \| 1827 Sq. Ft.	$1,083,330
509 Sanitarium Road, Saint Helena, CA 4 Beds \| - Baths \| 1820 Sq. Ft.	$620,325
454 Elmshaven Road, Saint Helena, CA 2 Beds \| 2 Baths \| 1234 Sq. Ft.	$982,532

Address	Redfin Estimate
510 Sanitarium Road, Saint Helena, CA 2 Beds \| 2.5 Baths \| 1217 Sq. Ft.	$954,161
514 Sanitarium Road, St Helena, CA 3 Beds \| 3 Baths \| 1827 Sq. Ft.	$1,793,056

Property information provided by BAREIS when last listed in 2022. This data may not match . Learn more.

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About this home

Redfin Estimate

Earn from this home

Market trends in 94574, CA

Sale history for 506 Sanitarium Rd

Tax history for 506 Sanitarium Rd

Public record

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 94574

Home values near 506 Sanitarium Rd

More real estate resources