142 Alexander Valley Rd is a 2,550 square foot house on a 5 acre lot with 3 bedrooms and 1 bathroom. - it last sold on December 05, 1988 for $235,000. Based on Redfin's Healdsburg data, we estimate the home's value is $1,411,866.
Single-familyProperty Type
1962Year Built
5 acresLot Size
$554Est. Price/Sq.Ft.
2 garage spacesParking
Source:Public Records
Redfin Estimate
$1,411,866
$1.2M since sold in December 1988$127K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 20.5% lower than the average sale price ($1.77M) 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
Jun 8, 2026 • Active
Solar-solarapp
Battery
Electrical
Solar
Sep 2, 2025 • Active
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: 1
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 6
Exterior
Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Living Sq. Ft: 2,550
Building Sq. Ft: 3,074
# of Stories: 1
Legal Description: MAP H6 302
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 1,580
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 217,800
Acres: 5
Zoning Code: RR5
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 1.0
Sq. Ft.: 2,550
Stories: 1.0
Lot Size: 5 acres
Style: Single Family Residential
Year Built: 1962
Year Renovated: 1985
County: Sonoma County
APN: 091070005000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Healdsburg Elementary School
Public K-5 • Assigned • 2.6mi
9/10
Healdsburg Junior High School
Public 6-8 • Assigned • 2.3mi
6/10
Healdsburg High School
Public 9-12 • Assigned • 1.9mi
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
1% chance of being in a wildfire in next 30 years
4/10 Heat Factor
7 days above 97° expected this year, 16 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
20 unhealthy days expected this year, 21 days in 30 years
Provided by First Street
Historical weather
Healdsburg, CA • 95448
Average low and high temperatures (°F)
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54
89
55
85
54
78
51
63
45
58
43
Jan
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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
$1.34M – $1.62M
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