507 Alexander Valley Rd is a 1,938 square foot house on a 1 acre lot with 3 bedrooms and 2.5 bathrooms. - it last sold on December 29, 2014 for $905,000. Based on Redfin's Healdsburg data, we estimate the home's value is $1,540,412.
Single-familyProperty Type
1974Year Built
1 acresLot Size
$795Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,540,412
$635K since sold in December 2014$39K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 47.9% higher than the average sale price ($1.04M) 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
Apr 19, 2018 • Final
Building permit with plan check
Work on a gunite pool.
Pool and hot tub
Jul 12, 2016 • Final
Building permit with plan check
Convert a garage into living space and additions. Remodel existing space and work on porches and decks.
Addition
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: 1
Has Fireplace
Room Information
# of Rooms: 7
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Good
Property Information
Subdivision Name: MARVIN H STRUEMPF
Living Sq. Ft: 1,938
Ground Floor Sq. Ft: 1,454
Building Sq. Ft: 2,102
# of Stories: 1
Legal Description: 1973 FORM 91-081-35 & PT TO 41 MAP DEPT FILE
Parking & Garage Information
Parking Type: Attached Garage
Garage/Parking Sq. Ft: 484
Garage / Carport Type: Attached
Lot Information
# of Buildings: 1
Land Sq. Ft: 43,500
Legal Lot Number: 1
Acres: 0.9986
Zoning Code: AR5
County Use Description: RURAL RESID-1 RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 1,938
Stories: 1.0
Lot Size: 1 acres
Style: Single Family Residential
Year Built: 1974
Year Renovated: 2000
County: Sonoma County
APN: 091081040000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Healdsburg Elementary School
Public K-5 • Assigned • 3.0mi
9/10
Healdsburg Junior High School
Public 6-8 • Assigned • 2.7mi
6/10
Healdsburg High School
Public 9-12 • Assigned • 2.3mi
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
5/10 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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89
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85
54
78
51
63
45
58
43
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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
$1.46M – $1.77M
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