840 Hearn Ave is a 2,150 square foot multi-family home on a 4,739 square foot lot with 4 bedrooms and 3 bathrooms. - it last sold on January 17, 2012 for $289,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $579,206.
Multi-familyProperty Type
2007Year Built
4,739 sq ftLot Size
$269Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$579,206
$290K since sold in January 2012$12K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 26% lower than the average sale price ($783K) 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.
Zoning and permits
Zoning
Permits
RR-40
Rural Residential District - 1 Acre
The RR zoning district is applied to areas of the City intended to accommodate residential neighborhoods with compatible agricultural uses, but where the primary uses are residential, and compatible accessory uses. The maximum allowable density ranges from 0.2 to 2 dwellings per acre, with the specific allowable density for each parcel shown on the zoning map by a numerical suffix to the RR map symbol see Section 20-22.040. The RR zoning district implements and is consistent with the Residential-Very Low Density land use classification of the General Plan.
Permitted uses
Include but are not limited to:
Agriculture-Other
Healthcare-Other
Housing-Group
Housing-Single unit
Housing-Student
Housing-Other
Infrastructure-Other
Agriculture-Cropland
Agriculture-Grove / orchard / vineyard
Housing-Mobile home park
Jun 28, 2015 • Final
Residential new
Construct a two-story duplex with an attached garage serving both units. The lower unit includes three bedrooms and two bathrooms, while the upper unit includes one bedroom and one bathroom.
New construction
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
Room Information
# of Rooms: 8
Exterior
Exterior Information
Building Style Type: L-Shape
Building Construction Quality: Average
Property Information
Subdivision Name: VICTORIA
Living Sq. Ft: 2,150
Building Sq. Ft: 2,662
# of Stories: 2
Legal Description: 2007 FM 043-192-027 LANDS OF VICTORIA SUB LOT 2
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 512
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,739
Legal Lot Number: 2
Acres: 0.1088
County Use Description: DUPLEX
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 4
Baths: 3.0
Sq. Ft.: 2,150
Stories: 2.0
Lot Size: 4,739 square feet
Style: Multi-Family (2-4 Unit)
Year Built: 2007
Year Renovated: 2007
County: Sonoma County
APN: 043360002000
Home facts updated by county records on Oct 28, 2026
Around this home
Schools
K - 12
Preschool & daycare
Meadow View Elementary School
Public K-6 • Assigned • 0.4mi
3/10
Hilliard Comstock Middle School
Public 7-8 • Assigned • 3.2mi
1/10
Elsie Allen High School
Public 9-12 • Assigned • 0.9mi
2/10
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
0.31% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 92° 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
67
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
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
$540,000 – $653,000
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