18904 Hidden Valley Rd is a 1,474 square foot house on a 6,500 square foot lot with 3 bedrooms and 3 bathrooms. - it last sold on April 28, 2006 for $519,000. Based on Redfin's Guerneville data, we estimate the home's value is $567,176.
Single-familyProperty Type
2003Year Built
6,500 sq ftLot Size
$385Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$567,176
$48K since sold in April 2006$14K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 26.9% lower than the average sale price ($776K) 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 11, 2016 • Final
Field review - building
Perform a building site evaluation for a new single-family home.
New construction
Jun 11, 2016 • Final
Building permit with plan check
New construction
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: 3
Room Information
# of Rooms: 6
Exterior
Exterior Information
Building Construction Quality: Average
Property Information
Subdivision Name: GUERNEWOOD TERRACE MAP #3
Living Sq. Ft: 1,474
Building Sq. Ft: 1,474
# of Stories: 2
Legal Description: LOT 1 BLK 13 MAP 1 GUERNEWOOD TERRACE
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 240
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,500
Legal Lot Number: 1
Legal Block Number: 13
Acres: 0.1492
Zoning Code: R14UA
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 3
Baths: 3.0
Sq. Ft.: 1,474
Stories: 2.0
Lot Size: 6,500 square feet
Style: Single Family Residential
Year Built: 2003
Year Renovated: 2003
County: Sonoma County
APN: 072050047000
Home facts updated by county records on Oct 28, 2026
Around this home
Schools
Guerneville Elementary School
Charter K-8 • Assigned • 1.6mi
4/10
Analy High School
Public 9-12 • Assigned • 12.2mi
8/10
Provided by GreatSchools
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
9/10 Flood Factor
Estimated 80%+ chance 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
2/10 Heat Factor
7 days above 85° expected this year, 21 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
9/10 Air Factor
17 unhealthy days expected this year, 19 days in 30 years
Provided by First Street
Historical weather
Guerneville, CA • 95446
Average low and high temperatures (°F)
59
40
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43
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79
52
85
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79
55
71
50
62
45
57
44
Jan
Feb
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May
Jun
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Sun exposure
In this area, properties receive around 10.6 hours in
June and 4.9 hours in December, placing it above the
U.S. average for solar exposure.
10.6 hrs
4.9 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$539,000 – $653,000
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