1850 Alexander Valley Rd is a 1,232 square foot house on a 2.88 acre lot with 3 bedrooms and 1.5 bathrooms. - it last sold on September 14, 2011 for $489,000. Based on Redfin's Healdsburg data, we estimate the home's value is $1,273,870.
Single-familyProperty Type
1967Year Built
2.88 acresLot Size
$1,034Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,273,870
$785K since sold in September 2011$13K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 13% higher than the average sale price ($1.13M) 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
Nov 17, 2025 • Final
Deferred submittal - plan check
Construct a new accessory dwelling unit and a garage.
ADU
New construction
Feb 26, 2024 • Active
Building permit with plan check
ADU
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: 1
# of 1/2 Baths: 1
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Building Style Type: L-Shape
Building Construction Quality: Average
Property Information
Living Sq. Ft: 1,232
Building Sq. Ft: 1,472
# of Stories: 1
Legal Description: 2016 FM 091-030-033 & PTN 042 LLA 14-0050 COUNTY
Lot Information
# of Buildings: 1
Land Sq. Ft: 125,453
Acres: 2.88
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.5
Sq. Ft.: 1,232
Stories: 1.0
Lot Size: 2.88 acres
Style: Single Family Residential
Year Built: 1967
Year Renovated: 1967
County: Sonoma County
APN: 091030044000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Healdsburg Elementary School
Public K-5 • Assigned • 3.4mi
9/10
Healdsburg Junior High School
Public 6-8 • Assigned • 3.3mi
6/10
Healdsburg High School
Public 9-12 • Assigned • 2.8mi
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
4/10 Fire Factor
2% chance of being in a wildfire in next 30 years
5/10 Heat Factor
7 days above 97° expected this year, 14 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
19 unhealthy days expected this year, 19 days in 30 years
Provided by First Street
Historical weather
Healdsburg, CA • 95448
Average low and high temperatures (°F)
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78
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81
54
89
55
85
54
78
51
63
45
58
43
Jan
Feb
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Apr
May
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Sun exposure
In this area, properties receive around 11 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
11 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$1.21M – $1.47M
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