121 Mast Head Reach is a 1,765 square foot house on a 0.41 acre lot with 2 bedrooms and 2 bathrooms. Based on Redfin's The Sea Ranch data, we estimate the home's value is $1,080,292.
Single-familyProperty Type
1983Year Built
0.41 acresLot Size
$612Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,080,292
$177K since September
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 9% lower than the average sale price ($1.19M) of 5 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
$3,661 (+1.6%)
$90,520 + $207,983
$298,503
2024
$3,602 (+1.6%)
$88,746 + $203,905
$292,651
2023
$3,547 (+3.9%)
$87,006 + $199,907
$286,913
2022
$3,413 (+1.5%)
$85,300 + $195,988
$281,288
2021
$3,362 (−0.3%)
$83,628 + $192,146
$275,774
2020
$3,373 (+1.6%)
$81,989 + $188,379
$270,368
2019
$3,321 (+8.2%)
$81,149 + $186,448
$267,597
2018
$3,068 (−5.0%)
$79,558 + $182,793
$262,351
2017
$3,228 (+5.0%)
$76,470 + $175,696
$252,166
2015
$3,074 (+1.6%)
$74,971 + $172,251
$247,222
2014
$3,027 (+3.0%)
$72,399 + $166,341
$238,740
2013
$2,938 (+1.5%)
$72,399 + $166,341
$238,740
2012
$2,895 (+3.3%)
$72,072 + $165,590
$237,662
2011
$2,802 (+0.8%)
$70,659 + $162,344
$233,003
2010
$2,779 (+0.2%)
$69,274 + $159,161
$228,435
2009
$2,774 (+1.0%)
$68,757 + $157,972
$226,729
2007
$2,747
$67,570 + $155,244
$222,814
Tax history for 121 Mast Head Reach
Year
Property tax
Land + Additions
Assessment*
2025
$3,661 (+1.6%)
$90,520 + $207,983
$298,503
2024
$3,602 (+1.6%)
$88,746 + $203,905
$292,651
2023
$3,547 (+3.9%)
$87,006 + $199,907
$286,913
2022
$3,413 (+1.5%)
$85,300 + $195,988
$281,288
2021
$3,362 (−0.3%)
$83,628 + $192,146
$275,774
2020
$3,373 (+1.6%)
$81,989 + $188,379
$270,368
2019
$3,321 (+8.2%)
$81,149 + $186,448
$267,597
2018
$3,068 (−5.0%)
$79,558 + $182,793
$262,351
2017
$3,228 (+5.0%)
$76,470 + $175,696
$252,166
2015
$3,074 (+1.6%)
$74,971 + $172,251
$247,222
2014
$3,027 (+3.0%)
$72,399 + $166,341
$238,740
2013
$2,938 (+1.5%)
$72,399 + $166,341
$238,740
2012
$2,895 (+3.3%)
$72,072 + $165,590
$237,662
2011
$2,802 (+0.8%)
$70,659 + $162,344
$233,003
2010
$2,779 (+0.2%)
$69,274 + $159,161
$228,435
2009
$2,774 (+1.0%)
$68,757 + $157,972
$226,729
2007
$2,747
$67,570 + $155,244
$222,814
*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 history record
Construct a new single-family home.
New construction
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: 2
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Room Information
# of Rooms: 3
Exterior
Exterior Information
Construction Type: Wood/Steel
Building Construction Quality: Good
Property Information
Subdivision Name: SEA RANCH 28
Living Sq. Ft: 1,765
Building Sq. Ft: 1,765
# of Stories: 1
Legal Description: SEA RANCH 28 LOT 79
Lot Information
# of Buildings: 1
Land Sq. Ft: 17,850
Legal Lot Number: 79
Acres: 0.4098
Zoning Code: CZ
County Use Description: SINGLE FAM DWELLING
Financial
Assessor Information
Assessment Year: 2026
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,765
Stories: 1.0
Lot Size: 0.41 acres
Style: Single Family Residential
Year Built: 1983
Year Renovated: 1983
County: Sonoma County
APN: 156320012000
Home facts updated by county records on Aug 13, 2026
Around this home
Schools
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, 22 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)
59
45
59
47
61
49
61
48
63
51
64
52
66
54
69
55
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
$1.03M – $1.24M
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