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Single Family ResidenceResidential
$3,547,993$2,137 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $3,550,000 on Mar 9, 2026

17523 STATE ROUTE 1

MARSHALL, CA 94940
2
Beds
2
Baths
1,660 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.51 ac
Lot SizeThe size of the land the home sits on, from county records.
1983
Year BuiltThe year the home was originally built, according to county records.

Valuation

$3.5M
$3.3M low$3.8M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$3,550,000 · Mar 9, 2026
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$3,547,993
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$2,838,394

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$25,139 (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.$2,342,550 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,115,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,227,050
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,296,623

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.151 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.1 percent coastal flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Contemporary
CountyMARIN
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2010
Lot (acres)The size of the land the home sits on, from county records.0.51
HeatingThe type of heating system in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 856 ft²Patio · 856 ft²

Transaction History(4)

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
Inverness Elementary School
Elementary · Grades KG–1 · 2.4 mi
M
West Marin Elementary SchoolA
Middle · Grades 2–8 · 5.5 mi
H
Tomales High SchoolD
High · Grades 9–12 · 8.1 mi

District: Shoreline Unified School District

Neighborhood · ZIP 94940These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.195
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.415

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.76%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.230
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$102,146
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$256,193
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

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

17523 State Route 1 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.

  • Worth more than 93% of homes in Marin County
  • Among the highest price per square foot in Marin County
  • Has a bigger lot than 87% of homes in Marin County
  • Newer than 81% of homes in Marin County

What homes are worth in Marin County

Each bar is how many homes fall in that price range. The marker is this home.

This home
$919K$3.7M

This home is worth more than 98% of homes in Marin County.

How it measures up in Marin County

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

Estimated value$3,547,993
CheaperTypical $1,386,401Pricier

Pricier than 93% of homes nearby

Price per ft²$2137
CheaperTypical $765Pricier

Pricier than almost all homes nearby

Living area1,660 ft²
SmallerTypical 1,825 ft²Bigger

Bigger than 41% of homes nearby

Lot size0.51 ac
SmallerTypical 0.18 acBigger

Bigger than 87% of homes nearby

Year built1983
OlderTypical 1963Newer

Newer than 81% of homes nearby

How 17523 State Route 1 ranks against every home in each area.
MeasureThis homeMarin County
Estimated valuepricier than$3,547,99393% of homes
Price per ft²pricier than$2137almost all homes
Living areabigger than1,660 ft²41% of homes
Lot sizebigger than0.51 ac87% of homes
Year builtnewer than198381% of homes

About 17523 State Route 1

How much is 17523 State Route 1, Marshall, CA worth?

The TopHap Estimate for 17523 State Route 1, Marshall, CA is $3,547,993 as of Jul 14, 2026. The likely range is $3,260,127 to $3,835,859. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17523 State Route 1, Marshall, CA last sell?

17523 State Route 1, Marshall, CA last sold on Mar 9, 2026 for $3,550,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 17523 State Route 1, Marshall, CA?

17523 State Route 1, Marshall, CA has 2 bedrooms, 2 bathrooms, 1,660 square feet of living space and a 0.51-acre lot.

When was 17523 State Route 1, Marshall, CA built?

17523 State Route 1, Marshall, CA was built in 1983, making it 43 years old. It is a contemporary home.

What schools serve 17523 State Route 1, Marshall, CA?

17523 State Route 1, Marshall, CA is assigned to Inverness Elementary School (elementary); West Marin Elementary School (middle), rated A; Tomales High School (high), rated D. All sit in Shoreline Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17523 State Route 1, Marshall, CA compare to other homes in Marin County?

Among the 81,718 homes in Marin County, it is worth more than 93% of them ($3,547,993 against a typical $1,386,401), its price per square foot is higher than almost all of them ($2137 against a typical $765), it is bigger than 41% of them (1,660 ft² against a typical 1,825 ft²), its lot is bigger than 87% of them (0.51 ac against a typical 0.18 ac) and it is newer than 81% of them (1983 against a typical 1963). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 17523 State Route 1, Marshall, CA?

The 2025 property tax bill for 17523 State Route 1, Marshall, CA was $25,139. The county assessed it at $2,342,550.

Closest homes

More homes in Marshall 94940

Assigned schools

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