18345 Riverside Dr is a 3,733 square foot multi-family home on a 1.03 acre lot with 8 bedrooms and 7 bathrooms. - it last sold on June 16, 1998 for $240,000.
Multi-familyProperty Type
1920Year Built
1.03 acresLot Size
$64Price/Sq.Ft.
Source:Public Records
Redfin Estimate
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*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jun 11, 2016 • Final
Building permit no plan check
Electrical
Grading
Jun 11, 2016 • Final
Building history record
Work on grading.
Grading
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: 7
Room Information
# of Rooms: 15
Exterior
Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Fair
Property Information
Subdivision Name: CREEK FRONT ADD
Living Sq. Ft: 3,733
Building Sq. Ft: 3,733
Legal Description: CREEK FRONT ADDITN SONOMA VISTA TRACT LOTS 27 & 28
Lot Information
# of Buildings: 1
Land Sq. Ft: 44,867
Legal Lot Number: 27
Acres: 1.03
Zoning Code: R15UA
County Use Description: 5-10 APT UNIT-2 BLDG
Location Information
Parcel Location Influence: Creek
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 8
Baths: 7.0
Sq. Ft.: 3,733
Stories: —
Lot Size: 1.03 acres
Style: Multi-Family (5+ Unit)
Year Built: 1920
Year Renovated: 1920
County: Sonoma County
APN: 052231004000
Home facts updated by county records on Oct 28, 2026
Around this home
Schools
K - 12
Preschool & daycare
El Verano Elementary School
Public K-5 • Assigned • 0.3mi
4/10
Altimira Middle School
Public 6-8 • Assigned • 0.6mi
2/10
Sonoma Valley High School
Public 9-12 • Assigned • 2.5mi
7/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
10/10 Flood Factor
Estimated 80%+ chance 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
4/10 Heat Factor
7 days above 96° 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
19 unhealthy days expected this year, 19 days in 30 years
Provided by First Street
Historical weather
Sonoma, CA • 95476
Average low and high temperatures (°F)
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Sun exposure
In this area, properties receive around 11.3 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.