320 Haversack is a 646 square foot house on a 6,250 square foot lot with 1 bedroom and 1 bathroom. Based on Redfin's The Sea Ranch data, we estimate the home's value is $723,051.
Single-familyProperty Type
1986Year Built
6,250 sq ftLot Size
$1,119Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$723,051
$29K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 10.6% lower than the average sale price ($809K) of 6 comparable homes.
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Earn from this home
Rent
$1,579/mo
Redfin rental estimate
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Market trends in Sea Ranch, CA
Last updated July 2026
Buyer's Market
Seller's Market
Balanced market
Sale-to-List Price
96.0%
0.1% MoM
Median sale price
$1.6M
$870 MoM
Avg. days on market
28d
4 days MoM
Recently sold homes
15
2 MoM
Provided by Redfin
Sale history for 320 Haversack
Date
Event
Price
Public Records
Oct 26, 1993
Sold
$550,000
$851/sq ft
Year
Property tax
Land + Additions
Assessment*
2025
$2,170 (+7.4%)
$42,881 + $41,007
$83,888
2024
$2,021 (+7.1%)
$42,041 + $40,203
$82,244
2023
$1,887 (+7.2%)
$41,217 + $39,415
$80,632
2022
$1,760 (+6.9%)
$40,409 + $38,643
$79,052
2021
$1,646 (+2.8%)
$39,617 + $37,886
$77,503
2020
$1,601 (+6.2%)
$38,841 + $37,144
$75,985
2019
$1,508 (+5.2%)
$38,443 + $36,764
$75,207
2018
$1,432 (+3.1%)
$37,690 + $36,044
$73,734
2017
$1,390 (+5.8%)
$36,227 + $34,646
$70,873
2015
$1,314 (+2.5%)
$35,517 + $33,967
$69,484
2014
$1,282 (+9.5%)
$34,299 + $32,802
$67,101
2013
$1,171 (+3.0%)
$34,299 + $32,802
$67,101
2012
$1,137 (+7.7%)
$34,144 + $32,654
$66,798
2011
$1,055 (+2.5%)
$33,475 + $32,014
$65,489
2010
$1,029 (+5.5%)
$32,819 + $31,387
$64,206
2009
$975 (+5.4%)
$32,574 + $31,153
$63,727
2007
$925
$32,012 + $30,616
$62,628
Tax history for 320 Haversack
Year
Property tax
Land + Additions
Assessment*
2025
$2,170 (+7.4%)
$42,881 + $41,007
$83,888
2024
$2,021 (+7.1%)
$42,041 + $40,203
$82,244
2023
$1,887 (+7.2%)
$41,217 + $39,415
$80,632
2022
$1,760 (+6.9%)
$40,409 + $38,643
$79,052
2021
$1,646 (+2.8%)
$39,617 + $37,886
$77,503
2020
$1,601 (+6.2%)
$38,841 + $37,144
$75,985
2019
$1,508 (+5.2%)
$38,443 + $36,764
$75,207
2018
$1,432 (+3.1%)
$37,690 + $36,044
$73,734
2017
$1,390 (+5.8%)
$36,227 + $34,646
$70,873
2015
$1,314 (+2.5%)
$35,517 + $33,967
$69,484
2014
$1,282 (+9.5%)
$34,299 + $32,802
$67,101
2013
$1,171 (+3.0%)
$34,299 + $32,802
$67,101
2012
$1,137 (+7.7%)
$34,144 + $32,654
$66,798
2011
$1,055 (+2.5%)
$33,475 + $32,014
$65,489
2010
$1,029 (+5.5%)
$32,819 + $31,387
$64,206
2009
$975 (+5.4%)
$32,574 + $31,153
$63,727
2007
$925
$32,012 + $30,616
$62,628
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jul 23, 2020 • Final
Building permit no plan check
Tear off existing composite shingles and re-roof the manufactured home with Class A rated composite shingles.
Roofing
Jun 11, 2016 • Final
Building history record
Install temporary electrical service.
Electrical
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: 2
Exterior
Exterior Information
Building Style Type: Square Design
Construction Type: Wood/Steel
Building Construction Quality: Average
Property Information
Subdivision Name: SEA RANCH 035-D
Living Sq. Ft: 646
Ground Floor Sq. Ft: 646
Building Sq. Ft: 646
# of Stories: 1
Lot Information
# of Buildings: 1
Land Sq. Ft: 6,250
Legal Lot Number: 31,32
Acres: 0.1435
Zoning Code: CZ
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 1
Baths: 1.0
Sq. Ft.: 646
Stories: 1.0
Lot Size: 6,250 square feet
Style: Single Family Residential
Year Built: 1986
Year Renovated: 1986
County: Sonoma County
APN: 122530037000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
Horicon Elementary School
Public K-8 • Assigned • 8.3mi
3/10
Point Arena High School
Public 9-12 • Assigned • 14.8mi
3/10
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
1/10 Fire Factor
Unlikely to be in a wildfire in next 30 years
2/10 Heat Factor
7 days above 73° expected this year, 17 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
7/10 Air Factor
12 unhealthy days expected this year, 14 days in 30 years
Provided by First Street
Historical weather
The Sea Ranch, CA • 95497
Average low and high temperatures (°F)
59
45
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47
61
49
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48
63
51
64
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65
53
68
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67
55
66
53
61
49
59
48
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
In this area, properties receive around 10.4 hours in
June and 4.8 hours in December, placing it above the
U.S. average for solar exposure.
10.4 hrs
4.8 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$687,000 – $832,000
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