1839 Happy Valley Rd is a 3,426 square foot house on a 0.45 acre lot with 2 bedrooms and 2.5 bathrooms. - it last sold on August 11, 2014 for $1,080,000. Based on Redfin's Santa Rosa data, we estimate the home's value is $1,575,539.
Single-familyProperty Type
1991Year Built
0.45 acresLot Size
$460Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,575,539
$496K since sold in August 2014$7,000 since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 49.5% higher than the average sale price ($1.05M) 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-20
Rural Residential District - 20,000 sq ft
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
Jan 15, 2020 • Final
Residential mechanical
Replace the existing furnace and air conditioning unit with a new furnace and a new air conditioning unit.
HVAC
Jul 3, 2017 • Final
Residential addition-alteration
Remove an existing redwood deck and replace it with new ipe hardwood decking.
Remodel
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: 8
Exterior
Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Good
Property Information
Subdivision Name: ALTA VISTA HEIGHTS
Living Sq. Ft: 3,426
Building Sq. Ft: 3,906
# of Stories: 1
Legal Description: REMAP FM 11-450-027 09/13/97 ALTA VISTA HGTS LT27
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 480
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 19,411
Legal Lot Number: 27
Acres: 0.4456
Zoning Code: CITYSR
County Use Description: DETACHED UNIT
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.5
Sq. Ft.: 3,426
Stories: 1.0
Lot Size: 0.45 acres
Style: Single Family Residential
Year Built: 1991
Year Renovated: 2010
County: Sonoma County
APN: 181100027000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Madrone Elementary School
Public K-6 • Assigned • 1.1mi
6/10
Rincon Valley Middle School
Public 7-8 • Assigned • 1.8mi
5/10
Maria Carrillo High School
Public 9-12 • Assigned • 2.2mi
9/10
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
0.15% chance of being in a wildfire in next 30 years
3/10 Heat Factor
5 days above 92° expected this year, 10 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
10/10 Air Factor
21 unhealthy days expected this year, 21 days in 30 years
Provided by First Street
Historical weather
Santa Rosa, CA • 95409
Average low and high temperatures (°F)
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85
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82
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76
52
62
46
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44
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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
$1.50M – $1.81M
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