5420 St Helena Rd is a 1,560 square foot house on a 1.56 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Santa Rosa data, we estimate the home's value is $787,981.
Single-familyProperty Type
1964Year Built
1.56 acresLot Size
$505Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$787,981
$5,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 1.2% higher than the average sale price ($779K) 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
$2,313 (+2.2%)
$60,301 + $110,549
$170,850
2024
$2,263 (+3.7%)
$59,119 + $108,382
$167,501
2023
$2,183 (+4.2%)
$57,960 + $106,257
$164,217
2022
$2,096 (+2.1%)
$56,824 + $104,174
$160,998
2021
$2,053 (+0.5%)
$55,710 + $102,132
$157,842
2020
$2,043 (+2.5%)
$54,618 + $100,130
$154,748
2019
$1,993 (+7.4%)
$54,058 + $99,104
$153,162
2018
$1,855 (+1.8%)
$52,999 + $97,161
$150,160
2017
$1,822 (+4.6%)
$50,942 + $93,389
$144,331
2015
$1,741 (+3.6%)
$49,944 + $91,558
$141,502
2014
$1,680 (+2.7%)
$48,231 + $88,417
$136,648
2013
$1,637 (+1.8%)
$48,231 + $88,417
$136,648
2012
$1,608 (+2.1%)
$48,014 + $88,018
$136,032
2011
$1,576 (+1.6%)
$47,073 + $86,293
$133,366
2010
$1,550 (−0.4%)
$46,150 + $84,601
$130,751
2009
$1,556 (+2.0%)
$45,806 + $83,969
$129,775
2007
$1,525
$45,015 + $82,519
$127,534
Tax history for 5420 St Helena Rd
Year
Property tax
Land + Additions
Assessment*
2025
$2,313 (+2.2%)
$60,301 + $110,549
$170,850
2024
$2,263 (+3.7%)
$59,119 + $108,382
$167,501
2023
$2,183 (+4.2%)
$57,960 + $106,257
$164,217
2022
$2,096 (+2.1%)
$56,824 + $104,174
$160,998
2021
$2,053 (+0.5%)
$55,710 + $102,132
$157,842
2020
$2,043 (+2.5%)
$54,618 + $100,130
$154,748
2019
$1,993 (+7.4%)
$54,058 + $99,104
$153,162
2018
$1,855 (+1.8%)
$52,999 + $97,161
$150,160
2017
$1,822 (+4.6%)
$50,942 + $93,389
$144,331
2015
$1,741 (+3.6%)
$49,944 + $91,558
$141,502
2014
$1,680 (+2.7%)
$48,231 + $88,417
$136,648
2013
$1,637 (+1.8%)
$48,231 + $88,417
$136,648
2012
$1,608 (+2.1%)
$48,014 + $88,018
$136,032
2011
$1,576 (+1.6%)
$47,073 + $86,293
$133,366
2010
$1,550 (−0.4%)
$46,150 + $84,601
$130,751
2009
$1,556 (+2.0%)
$45,806 + $83,969
$129,775
2007
$1,525
$45,015 + $82,519
$127,534
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Sep 12, 2024 • Final
Building permit no plan check
Remove the existing roof on a single-family home and install new composition shingles.
Roofing
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
Heating & Cooling
Heating Type: Baseboard Electric
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Exterior Information
Physical Condition: Good
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Good
View Information
View: Good
Property Information
Living Sq. Ft: 1,560
Ground Floor Sq. Ft: 1,560
Building Sq. Ft: 2,016
# of Stories: 1
Legal Description: 1970 FORM 028-350-08 & PT TO 42 BY OR 2426-463
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 456
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 67,954
Acres: 1.56
Zoning Code: AR10
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 1,560
Stories: 1.0
Lot Size: 1.56 acres
Style: Single Family Residential
Year Built: 1964
Year Renovated: 1964
County: Sonoma County
APN: 028350041000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Places
Transit
Whited Elementary Charter School
Charter K-6 • Assigned • 3.2mi
6/10
Rincon Valley Middle School
Public 7-8 • Assigned • 2.6mi
5/10
Maria Carrillo High School
Public 9-12 • Assigned • 2.3mi
9/10
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
5/10 Fire Factor
4% chance of being in a wildfire in next 30 years
3/10 Heat Factor
6 days above 93° expected this year, 13 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
26 unhealthy days expected this year, 28 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95404
Average low and high temperatures (°F)
63
41
64
44
72
47
70
47
77
51
80
54
79
54
86
55
83
55
79
51
65
46
60
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 11.4 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.4 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$749,000 – $907,000
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