142 Mast Head Reach is a 1,190 square foot house on a 0.47 acre lot with 2 bedrooms and 1.5 bathrooms. Based on Redfin's The Sea Ranch data, we estimate the home's value is $1,019,195.
Single-familyProperty Type
1975Year Built
0.47 acresLot Size
$856Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,019,195
$12K since October
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 5.6% lower than the average sale price ($1.08M) of 5 comparable homes.
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Earn from this home
Rent
$2,253/mo
Redfin rental estimate
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Market trends in Sea Ranch, CA
Last updated October 2026
Buyer's Market
Seller's Market
Balanced market
Sale-to-list price
95.3%
1.5% MoM
Median sale price
$1.5M
$29K MoM
Avg. days on market
90d
28 days MoM
Recently sold homes
19
1 MoM
Provided by Redfin
Sale history for 142 Mast Head Reach
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2025
$1,997 (+1.4%)
$194,496 + $323,876
$518,372
2024
$1,969 (+1.3%)
$31,365 + $105,051
$136,416
2023
$1,943 (+3.4%)
$30,750 + $102,992
$133,742
2022
$1,879 (+1.3%)
$30,148 + $100,973
$131,121
2021
$1,856 (−0.3%)
$29,557 + $98,994
$128,551
2020
$1,860 (+2.9%)
$28,978 + $97,053
$126,031
2019
$1,808 (+14.3%)
$28,681 + $96,058
$124,739
2018
$1,583 (−10.1%)
$28,119 + $94,175
$122,294
2017
$1,761 (+4.8%)
$27,028 + $90,519
$117,547
2015
$1,681 (+1.4%)
$26,499 + $88,745
$115,244
2014
$1,658 (+5.3%)
$25,590 + $85,700
$111,290
2013
$1,575 (+1.3%)
$25,590 + $85,700
$111,290
2012
$1,554 (+4.2%)
$25,475 + $85,313
$110,788
2011
$1,491 (+0.7%)
$24,976 + $83,641
$108,617
2010
$1,480 (+0.2%)
$24,487 + $82,001
$106,488
2009
$1,478 (+1.2%)
$24,304 + $81,389
$105,693
2007
$1,460
$23,885 + $79,984
$103,869
Tax history for 142 Mast Head Reach
Year
Property tax
Land + Additions
Assessment*
2025
$1,997 (+1.4%)
$194,496 + $323,876
$518,372
2024
$1,969 (+1.3%)
$31,365 + $105,051
$136,416
2023
$1,943 (+3.4%)
$30,750 + $102,992
$133,742
2022
$1,879 (+1.3%)
$30,148 + $100,973
$131,121
2021
$1,856 (−0.3%)
$29,557 + $98,994
$128,551
2020
$1,860 (+2.9%)
$28,978 + $97,053
$126,031
2019
$1,808 (+14.3%)
$28,681 + $96,058
$124,739
2018
$1,583 (−10.1%)
$28,119 + $94,175
$122,294
2017
$1,761 (+4.8%)
$27,028 + $90,519
$117,547
2015
$1,681 (+1.4%)
$26,499 + $88,745
$115,244
2014
$1,658 (+5.3%)
$25,590 + $85,700
$111,290
2013
$1,575 (+1.3%)
$25,590 + $85,700
$111,290
2012
$1,554 (+4.2%)
$25,475 + $85,313
$110,788
2011
$1,491 (+0.7%)
$24,976 + $83,641
$108,617
2010
$1,480 (+0.2%)
$24,487 + $82,001
$106,488
2009
$1,478 (+1.2%)
$24,304 + $81,389
$105,693
2007
$1,460
$23,885 + $79,984
$103,869
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Feb 1, 2017 • Final
Building permit no plan check
Tear off the existing roofing and install new composition shingles on a detached garage.
Roofing
Jun 11, 2016 • Final
Building permit no plan check
Replace the siding and gutters on a single-family home.
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: 1
# of 1/2 Baths: 1
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 4
Exterior
Exterior Information
Building Style Type: L-Shape
Construction Type: Wood/Steel
Building Construction Quality: Good
Property Information
Subdivision Name: 409 RANCH #28
Living Sq. Ft: 1,190
Ground Floor Sq. Ft: 886
Building Sq. Ft: 1,526
# of Stories: 2
Legal Description: LOT 98 SEA RANCH NO 28
Parking & Garage Information
Garage/Parking Sq. Ft: 336
Lot Information
# of Buildings: 1
Land Sq. Ft: 20,531
Legal Lot Number: 98
Acres: 0.4713
Zoning Code: CZ
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 1.5
Sq. Ft.: 1,190
Stories: 2.0
Lot Size: 0.47 acres
Style: Single Family Residential
Year Built: 1975
Year Renovated: 1975
County: Sonoma County
APN: 156320019000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
K - 12
Preschool & daycare
Horicon Elementary School
Public K-8 • Assigned • 6.5mi
3/10
Point Arena High School
Public 9-12 • Assigned • 17.1mi
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
3/10 Heat Factor
8 days above 69° expected this year, 21 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, 12 days in 30 years
Provided by First Street
Historical weather
The Sea Ranch, CA • 95497
Average low and high temperatures (°F)
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45
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61
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48
63
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66
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69
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69
57
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
$969,000 – $1.17M
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