415 Horn Ave is a 1,880 square foot house on a 3.13 acre lot with 4 bedrooms and 2 bathrooms. - it last sold on January 16, 2004 for $657,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $1,054,596.
Single-familyProperty Type
1961Year Built
3.13 acresLot Size
$561Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,054,596
$398K since sold in January 2004$26K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 31.8% higher than the average sale price ($800K) 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
Jun 11, 2016 • Final
Building permit no plan check
Upgrade the electrical service to 200 amps for a single-family home.
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: 2
Heating & Cooling
Heating Type: Forced Air
Room Information
# of Rooms: 6
Exterior
Exterior Information
Physical Condition: Average
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Exterior Wall: Wood Siding
Property Information
Subdivision Name: RANCHO COTATI SUB #8
Living Sq. Ft: 1,880
Ground Floor Sq. Ft: 1,880
Building Sq. Ft: 2,844
# of Stories: 1
Legal Description: MAP 30 PG 8 PART OF LOT 37
Lot Information
# of Buildings: 1
Land Sq. Ft: 136,343
Legal Lot Number: 37
Acres: 3.13
Zoning Code: RR3
County Use Description: RURAL RESID-1 RESID
Utility Information
Sewer Type: Septic
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 2.0
Sq. Ft.: 1,880
Stories: 1.0
Lot Size: 3.13 acres
Style: Single Family Residential
Year Built: 1961
Year Renovated: 1961
County: Sonoma County
APN: 045283020000
Home facts updated by county records on Oct 28, 2026
Around this home
Schools
K - 12
Preschool & daycare
Taylor Mountain Elementary School
Public K-6 • Assigned • 1.7mi
2/10
Montgomery High School
Public 9-12 • Assigned • 4.5mi
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
3/10 Fire Factor
0.62% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 91° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
8/10 Air Factor
15 unhealthy days expected this year, 17 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95407
Average low and high temperatures (°F)
62
39
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43
70
45
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46
74
50
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78
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83
54
80
56
73
50
65
45
58
43
Jan
Feb
Mar
Apr
May
Jun
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Aug
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Oct
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Dec
Sun exposure
In this area, properties receive around 11.1 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11.1 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.00M – $1.21M
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