514 Sanitarium Rd is a 1,827 square foot vacant land on a 0.9 acre lot with 3 bedrooms. - it last sold on November 12, 2025 for $755,000. Based on Redfin's Saint Helena data, we estimate the home's value is $1,313,560.
Vacant landProperty Type
1938Year Built
0.9 acresLot Size
$1,459,511Price/Acres
2 garage spacesParking
Source:Public Records
Redfin Estimate
$1,313,560
$559K since sold in November 2025$92K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 15.4% lower than the average sale price ($1.55M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Zoning
RS
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
Interior
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Construction Type: Wood
Building Construction Quality: Average
Property Information
Subdivision Name: 2 EASTERLY SIDE
Living Sq. Ft: 1,827
Building Sq. Ft: 1,827
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 400
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 39,204
Acres: 0.9
Zoning Code: RS:B-5
County Use Description: RURAL RESID < 5 AC
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: —
Sq. Ft.: 1,827
Stories: —
Lot Size: 0.9 acres
Style: Vacant Land
Year Built: 1938
Year Renovated: 1938
County: Napa County
APN: 21260003000
Home facts updated by county records on Jul 15, 2026
Around this home
Schools
Saint Helena Elementary School
Public 3-5 • Assigned • 2.3mi
8/10
Robert Louis Stevenson Intermediate School
Public 6-8 • Assigned • 2.1mi
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 98° expected this year, 16 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)
59
39
59
41
67
44
66
45
76
50
83
52
83
53
89
56
84
54
75
49
61
43
57
41
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
$1.25M – $1.51M
Sell confidently with a local market expert in Saint Helena. 3 minutes to get started.