634 Napa Rd is a 4,771 square foot vacant land on a 2.89 acre lot with 3 bedrooms and 3 bathrooms. - it last sold on November 01, 2013 for $1,715,000. Based on Redfin's Sonoma data, we estimate the home's value is $4,384,867.
Vacant landProperty Type
2003Year Built
2.89 acresLot Size
$1,517,255Price/Acres
2 car garageParking
Source:Public Records
Redfin Estimate
$4,384,867
$2.7M since sold in November 2013$81K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 11.1% higher than the average sale price ($3.95M) 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
Feb 16, 2022 • Final
Building permit with plan check
Construct a new accessory dwelling unit converted from existing storage space. No additional square footage is being added.
ADU
New construction
May 9, 2018 • Final
Building permit no plan check
HVAC
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
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 2
Fireplace Information
# of Fireplaces: 3
Has Fireplace
Room Information
# of Rooms: 10
Exterior
Exterior Information
Building Construction Quality: Good
Property Information
Subdivision Name: VALLEY/SONOMA
Living Sq. Ft: 4,771
Building Sq. Ft: 5,791
# of Stories: 1
Legal Description: 2019 SPLIT & CMB PER LLA18-0011
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 1,020
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 125,888
Legal Lot Number: 3
Acres: 2.89
County Use Description: RURAL RESIDENTIAL-SFD W/GRANNY
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 4,771
Stories: 1.0
Lot Size: 2.89 acres
Style: Vacant Land
Year Built: 2003
Year Renovated: 2003
County: Sonoma County
APN: 126011056000
Home facts updated by county records on Oct 28, 2026
Around this home
Schools
K - 12
Preschool & daycare
Prestwood Elementary School
Public K-5 • Assigned • 0.8mi
5/10
Adele Harrison Middle School
Public 6-8 • Assigned • 0.9mi
4/10
Sonoma Valley High School
Public 9-12 • Assigned • 1.0mi
7/10
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 92° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
16 unhealthy days expected this year, 16 days in 30 years
Provided by First Street
Historical weather
Sonoma, CA • 95476
Average low and high temperatures (°F)
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84
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43
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Sun exposure
In this area, properties receive around 11.3 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.3 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$4.17M – $5.04M
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