641 Napa Rd is a 1,500 square foot house on a 5.96 acre lot with 3 bedrooms and 1 bathroom. Based on Redfin's Sonoma data, we estimate the home's value is $1,368,636.
Single-familyProperty Type
1941Year Built
5.96 acresLot Size
$912Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,368,636
$73K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 6.1% lower than the average sale price ($1.46M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$1,597 (+1.8%)
$54,992 + $37,248
$92,240
2024
$1,569 (+1.9%)
$53,914 + $36,518
$90,432
2023
$1,539 (+6.0%)
$52,857 + $35,802
$88,659
2022
$1,453 (+2.6%)
$51,821 + $35,100
$86,921
2021
$1,417
$50,805 + $34,412
$85,217
2020
$1,417 (+1.6%)
$49,809 + $33,738
$83,547
2019
$1,395 (+13.0%)
$49,299 + $33,393
$82,692
2018
$1,235 (+1.3%)
$48,333 + $32,739
$81,072
2017
$1,219 (+12.8%)
$46,457 + $31,469
$77,926
2015
$1,081 (+1.3%)
$45,547 + $30,852
$76,399
2014
$1,067 (+0.7%)
$43,985 + $29,794
$73,779
2013
$1,059 (+1.4%)
$43,985 + $29,794
$73,779
2012
$1,044 (+1.4%)
$43,787 + $29,660
$73,447
2011
$1,030 (+0.5%)
$42,929 + $29,079
$72,008
2010
$1,025 (+0.7%)
$42,088 + $28,509
$70,597
2009
$1,018 (+2.1%)
$41,774 + $28,296
$70,070
2007
$997
$41,053 + $27,808
$68,861
Tax history for 641 Napa Rd
Year
Property tax
Land + Additions
Assessment*
2025
$1,597 (+1.8%)
$54,992 + $37,248
$92,240
2024
$1,569 (+1.9%)
$53,914 + $36,518
$90,432
2023
$1,539 (+6.0%)
$52,857 + $35,802
$88,659
2022
$1,453 (+2.6%)
$51,821 + $35,100
$86,921
2021
$1,417
$50,805 + $34,412
$85,217
2020
$1,417 (+1.6%)
$49,809 + $33,738
$83,547
2019
$1,395 (+13.0%)
$49,299 + $33,393
$82,692
2018
$1,235 (+1.3%)
$48,333 + $32,739
$81,072
2017
$1,219 (+12.8%)
$46,457 + $31,469
$77,926
2015
$1,081 (+1.3%)
$45,547 + $30,852
$76,399
2014
$1,067 (+0.7%)
$43,985 + $29,794
$73,779
2013
$1,059 (+1.4%)
$43,985 + $29,794
$73,779
2012
$1,044 (+1.4%)
$43,787 + $29,660
$73,447
2011
$1,030 (+0.5%)
$42,929 + $29,079
$72,008
2010
$1,025 (+0.7%)
$42,088 + $28,509
$70,597
2009
$1,018 (+2.1%)
$41,774 + $28,296
$70,070
2007
$997
$41,053 + $27,808
$68,861
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jun 11, 2016 • Final
Building permit no plan check
Gas
HVAC
Jun 11, 2016 • Final
Building history record
Work on electrical systems.
Electrical
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: 1
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,500
Building Sq. Ft: 2,341
# of Stories: 1
Legal Description: 84 FM 126-031-02 PT TO RD 83059461
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 616
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 259,618
Acres: 5.96
Zoning Code: AR5
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 1,500
Stories: 1.0
Lot Size: 5.96 acres
Style: Single Family Residential
Year Built: 1941
Year Renovated: 1946
County: Sonoma County
APN: 126031063000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Prestwood Elementary School
Public K-5 • Assigned • 0.9mi
5/10
Adele Harrison Middle School
Public 6-8 • Assigned • 1.0mi
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)
62
40
64
42
72
46
70
47
78
51
83
54
85
55
89
55
84
58
80
51
65
46
59
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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
$1.30M – $1.57M
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