1664 Spring St is a 544 square foot house on a 10,098 square foot lot with 2 bedrooms. - it last sold on April 21, 2026 for $1,195,000. Based on Redfin's Saint Helena data, we estimate the home's value is $1,210,388.
Single-familyProperty Type
1902Year Built
10,098 sq ftLot Size
$2,225Est. Price/Sq.Ft.
3 spacesParking
Source:Public Records
Redfin Estimate
$1,210,388
$15K since sold in April 2026$22K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 1.4% higher than the average sale price ($1.19M) 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.
Permits
Oct 4, 2025 • Final
Single family res
ADU
Dec 19, 2020 • Final
Encroachment
Regrade a driveway.
Grading
Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.
Property details
Interior
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 4
Exterior
Exterior Information
Construction Type: Wood
Building Construction Quality: Poor
Property Information
Living Sq. Ft: 544
Building Sq. Ft: 544
Lot Information
# of Buildings: 1
Land Sq. Ft: 10,098
Acres: 0.2318
County Use Description: 1 FAMILY RESID
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 2
Baths: —
Sq. Ft.: 544
Stories: —
Lot Size: 10,098 square feet
Style: Single Family Residential
Year Built: 1902
Year Renovated: 1930
County: Napa County
APN: 9313048000
Home facts updated by county records on Jul 15, 2026
Around this home
Schools
Saint Helena Elementary School
Public 3-5 • Assigned • 0.2mi
8/10
Robert Louis Stevenson Intermediate School
Public 6-8 • Assigned • 0.5mi
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
0.93% chance of being in a wildfire in next 30 years
5/10 Heat Factor
9 days above 99° expected this year, 20 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
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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
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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
$1.15M – $1.39M
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