19523 Hidden Valley Rd is a 862 square foot house on a 1 acre lot with 2 bedrooms and 1 bathroom. Based on Redfin's Guerneville data, we estimate the home's value is $543,605.
Single-familyProperty Type
1928Year Built
1 acresLot Size
$631Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$543,605
$19K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 0.4% lower than the average sale price ($546K) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$6,590 (+6.1%)
$50,765 + $88,347
$139,112
2024
$6,210 (+6.4%)
$49,770 + $86,615
$136,385
2023
$5,838 (+6.3%)
$48,795 + $84,917
$133,712
2022
$5,490 (+5.6%)
$47,839 + $83,252
$131,091
2021
$5,200 (+2.2%)
$46,901 + $81,620
$128,521
2020
$5,088 (+5.1%)
$45,982 + $80,020
$126,002
2019
$4,843 (+4.8%)
$45,511 + $79,200
$124,711
2018
$4,619 (+4.0%)
$44,619 + $77,648
$122,267
2017
$4,440 (+5.1%)
$42,888 + $74,634
$117,522
2015
$4,224 (+3.1%)
$42,048 + $73,171
$115,219
2014
$4,097 (+2.0%)
$40,606 + $70,661
$111,267
2013
$4,018 (+2.8%)
$40,606 + $70,661
$111,267
2012
$3,908 (+3.8%)
$40,423 + $70,342
$110,765
2011
$3,766 (+3.1%)
$39,631 + $68,963
$108,594
2010
$3,654 (+6.3%)
$38,854 + $67,611
$106,465
2009
$3,439 (+3.3%)
$38,564 + $67,106
$105,670
2007
$3,331
$37,899 + $65,948
$103,847
Tax history for 19523 Hidden Valley Rd
Year
Property tax
Land + Additions
Assessment*
2025
$6,590 (+6.1%)
$50,765 + $88,347
$139,112
2024
$6,210 (+6.4%)
$49,770 + $86,615
$136,385
2023
$5,838 (+6.3%)
$48,795 + $84,917
$133,712
2022
$5,490 (+5.6%)
$47,839 + $83,252
$131,091
2021
$5,200 (+2.2%)
$46,901 + $81,620
$128,521
2020
$5,088 (+5.1%)
$45,982 + $80,020
$126,002
2019
$4,843 (+4.8%)
$45,511 + $79,200
$124,711
2018
$4,619 (+4.0%)
$44,619 + $77,648
$122,267
2017
$4,440 (+5.1%)
$42,888 + $74,634
$117,522
2015
$4,224 (+3.1%)
$42,048 + $73,171
$115,219
2014
$4,097 (+2.0%)
$40,606 + $70,661
$111,267
2013
$4,018 (+2.8%)
$40,606 + $70,661
$111,267
2012
$3,908 (+3.8%)
$40,423 + $70,342
$110,765
2011
$3,766 (+3.1%)
$39,631 + $68,963
$108,594
2010
$3,654 (+6.3%)
$38,854 + $67,611
$106,465
2009
$3,439 (+3.3%)
$38,564 + $67,106
$105,670
2007
$3,331
$37,899 + $65,948
$103,847
*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
Jun 11, 2016 • Final
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
Room Information
# of Rooms: 4
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Poor
Property Information
Subdivision Name: GUERNEWOOD TERRACE
Living Sq. Ft: 862
Building Sq. Ft: 1,340
Legal Description: MAP A4 112
Parking & Garage Information
Parking Type: Detached Garage
Garage/Parking Sq. Ft: 256
Garage / Carport Type: Detached
Lot Information
# of Buildings: 1
Land Sq. Ft: 43,560
Legal Lot Number: 11,12
Legal Block Number: 6
Acres: 1
Zoning Code: R14UA
County Use Description: RURAL RESID-2+ RESID
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.0
Sq. Ft.: 862
Stories: —
Lot Size: 1 acres
Style: Single Family Residential
Year Built: 1928
Year Renovated: 1937
County: Sonoma County
APN: 072060042000
Home facts updated by county records on Oct 28, 2026
Around this home
Schools
Guerneville Elementary School
Charter K-8 • Assigned • 2.0mi
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
8/10 Flood Factor
Estimated 74-82% 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, 19 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
60
43
69
45
66
45
74
49
78
51
79
52
85
53
79
55
71
50
62
45
57
44
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
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
$517,000 – $626,000
Reach more buyers when you sell with Redfin. Save up to $5,436 in fees.3 minutes to get started.