405 Horn Ave is a 2,180 square foot house on a 3.07 acre lot with 3 bedrooms and 2.5 bathrooms. Based on Redfin's Santa Rosa data, we estimate the home's value is $1,116,857.
Single-familyProperty Type
2003Year Built
3.07 acresLot Size
$512Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,116,857
$24K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 34.5% higher than the average sale price ($830K) of 5 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
$11,529 (+3.5%)
$255,646 + $712,285
$967,931
2024
$11,144 (−1.2%)
$250,634 + $698,319
$948,953
2023
$11,274 (+3.7%)
$245,720 + $684,627
$930,347
2022
$10,870 (+1.3%)
$240,902 + $671,203
$912,105
2021
$10,732 (+2.9%)
$236,179 + $658,043
$894,222
2020
$10,426 (+0.5%)
$231,549 + $645,141
$876,690
2019
$10,369 (+3.1%)
$229,175 + $638,526
$867,701
2018
$10,053 (+2.5%)
$224,682 + $626,006
$850,688
2017
$9,812 (+4.4%)
$215,958 + $601,699
$817,657
2015
$9,397 (+3.6%)
$211,724 + $589,901
$801,625
2014
$9,070 (+1.4%)
$204,459 + $569,660
$774,119
2013
$8,949 (+1.8%)
$204,459 + $569,660
$774,119
2012
$8,789 (+2.2%)
$203,535 + $567,086
$770,621
2011
$8,599 (+2.8%)
$199,545 + $555,967
$755,512
2010
$8,367 (+65.8%)
$195,633 + $545,066
$740,699
2009
$5,046 (−37.2%)
$194,171 + $540,993
$735,164
2007
$8,035
$190,816 + $531,646
$722,462
Tax history for 405 Horn Ave
Year
Property tax
Land + Additions
Assessment*
2025
$11,529 (+3.5%)
$255,646 + $712,285
$967,931
2024
$11,144 (−1.2%)
$250,634 + $698,319
$948,953
2023
$11,274 (+3.7%)
$245,720 + $684,627
$930,347
2022
$10,870 (+1.3%)
$240,902 + $671,203
$912,105
2021
$10,732 (+2.9%)
$236,179 + $658,043
$894,222
2020
$10,426 (+0.5%)
$231,549 + $645,141
$876,690
2019
$10,369 (+3.1%)
$229,175 + $638,526
$867,701
2018
$10,053 (+2.5%)
$224,682 + $626,006
$850,688
2017
$9,812 (+4.4%)
$215,958 + $601,699
$817,657
2015
$9,397 (+3.6%)
$211,724 + $589,901
$801,625
2014
$9,070 (+1.4%)
$204,459 + $569,660
$774,119
2013
$8,949 (+1.8%)
$204,459 + $569,660
$774,119
2012
$8,789 (+2.2%)
$203,535 + $567,086
$770,621
2011
$8,599 (+2.8%)
$199,545 + $555,967
$755,512
2010
$8,367 (+65.8%)
$195,633 + $545,066
$740,699
2009
$5,046 (−37.2%)
$194,171 + $540,993
$735,164
2007
$8,035
$190,816 + $531,646
$722,462
*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 with plan check
Construct a new horse shed and hay storage building.
Grading
New construction
Jun 11, 2016 • Final
Building permit with plan check
Fire sprinkler
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
# of 1/2 Baths: 1
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 7
Exterior
Exterior Information
Building Style Type: Square Design
Building Construction Quality: Good
Property Information
Living Sq. Ft: 2,180
Building Sq. Ft: 5,444
# of Stories: 2
Legal Description: 94 FM 45-161-34 PM 91-313
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 1,808
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 133,729
Legal Lot Number: 1
Acres: 3.07
Zoning Code: RR3
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 2,180
Stories: 2.0
Lot Size: 3.07 acres
Style: Single Family Residential
Year Built: 2003
Year Renovated: 2003
County: Sonoma County
APN: 045161037000
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
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
$1.06M – $1.29M
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