485 Horn Ave is a 2,006 square foot house on a 0.8 acre lot with 3 bedrooms and 2 bathrooms. Based on Redfin's Santa Rosa data, we estimate the home's value is $851,462.
Single-familyProperty Type
1961Year Built
0.8 acresLot Size
$424Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$851,462
$9,000 since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.9% higher than the average sale price ($768K) of 4 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Sep 17, 2021 • Final
Building permit no plan check
Replace a gas water heater with an electric heat pump water heater and install a variable capacity heat pump. Add electrical circuits to the panel for the heat pump water heater and replace the main service panel with a new service panel.
Electrical
HVAC
Plumbing
Water heater
Jun 11, 2016 • Final
Building permit no plan check
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
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 5
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Subdivision Name: COTATI RHO 08
Living Sq. Ft: 2,006
Building Sq. Ft: 2,414
# of Stories: 1
Legal Description: MAP E2 152
Lot Information
# of Buildings: 1
Land Sq. Ft: 35,026
Legal Lot Number: 34
Acres: 0.8041
Zoning Code: RR3
County Use Description: RURAL RESID-2+ RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.0
Sq. Ft.: 2,006
Stories: 1.0
Lot Size: 0.8 acres
Style: Single Family Residential
Year Built: 1961
Year Renovated: 1961
County: Sonoma County
APN: 045283009000
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 • 1.8mi
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
63
43
70
45
67
46
74
50
77
52
78
53
83
54
80
56
73
50
65
45
58
43
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
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
$809,000 – $980,000
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