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Residential - Vacant LandResidential
Last sold for $300,000 on Apr 29, 2025

154 HELM

SEA RANCH, CA
0
Baths
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$300,000 · Apr 29, 2025
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$915,890
CONVENTUS LLC · 6.36% · recorded Jun 12, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,602 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$323,646 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$323,646
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$317,300

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.20
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
70
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
30
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential - Vacant Land
CountySONOMA
Lot (acres)The size of the land the home sits on, from county records.0.32
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(8)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Horicon Elementary SchoolD+
Elementary · Grades KG–8 · 7.8 mi
H
Point Arena High SchoolD+
High · Grades 9–12 · 15.6 mi

District: Point Arena Joint Union High School District

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

154 Helm measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Has a bigger lot than 71% of homes in Sonoma County

How it measures up in Sonoma County

The dot is this home. The mark in the middle is the typical home in Sonoma County.

Lot size0.32 ac
SmallerTypical 0.17 acBigger

Bigger than 71% of homes nearby

How 154 Helm ranks against every home in each area.
MeasureThis homeSonoma County
Lot sizebigger than0.32 ac71% of homes

About 154 Helm

When did 154 Helm, Sea Ranch, CA last sell?

154 Helm, Sea Ranch, CA last sold on Apr 29, 2025 for $300,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

What schools serve 154 Helm, Sea Ranch, CA?

154 Helm, Sea Ranch, CA is assigned to Horicon Elementary School (elementary), rated D+; Point Arena High School (high), rated D+. All sit in Point Arena Joint Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

What are the property taxes on 154 Helm, Sea Ranch, CA?

The 2025 property tax bill for 154 Helm, Sea Ranch, CA was $3,602. The county assessed it at $323,646.

Closest homes

Assigned schools

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See this home in context

Open 154 Helm on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

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