5515 St Helena Rd is a 3,000 square foot house on a 9.84 acre lot with 3 bedrooms and 4 bathrooms. - it last sold on May 24, 2018 for $1,605,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $1,819,021.
Single-familyProperty Type
1954Year Built
9.84 acresLot Size
$606Est. Price/Sq.Ft.
8 spacesParking
Source:Public Records
Redfin Estimate
$1,819,021
$214K since sold in May 2018$77K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 74.4% higher than the average sale price ($1.04M) 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
Jul 31, 2025 • Final
Building permit with plan check
Bathroom
Plumbing
Apr 7, 2025 • Active
Building permit no plan check
Remove the existing roof on a single-family home. Install new composition shingles on the main house.
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: 3
# of 1/2 Baths: 1
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Exterior
Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Living Sq. Ft: 2,600
Building Sq. Ft: 5,358
# of Stories: 1
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 4,032
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 428,630
Acres: 9.84
Zoning Code: AR10
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 3.75
Sq. Ft.: 3,000
Stories: 1.0
Parking Spaces: 8
Basement: No
Accessible: No
Lot Size: 9.84 acres
Style: Single Family Residential
Year Built: 1954
Year Renovated: 2025
County: Sonoma County
APN: 028110004000
HOA Dues: —
Garage: No
Features: Views, Green
Home facts updated by owner on Aug 4, 2025
Around this home
Schools
Places
Transit
Whited Elementary Charter School
Charter K-6 • Assigned • 3.1mi
6/10
Rincon Valley Middle School
Public 7-8 • Assigned • 2.4mi
5/10
Maria Carrillo High School
Public 9-12 • Assigned • 2.1mi
9/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
9/10 Flood Factor
Estimated 80%+ chance of a flood reaching the building in the next 30 years
5/10 Fire Factor
3% chance of being in a wildfire in next 30 years
3/10 Heat Factor
7 days above 92° expected this year, 14 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
$1.73M – $2.09M
Reach more buyers when you sell with Redfin. Save up to $18,190 in fees.3 minutes to get started.