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Single Family ResidenceResidential
Last sold for $4,700,000 on Sep 6, 2013

18 ROSS CMN

ROSS, CA 94957
5
Beds
5.5
Baths
4,872 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.
0.97 ac
Lot SizeThe size of the land the home sits on, from county records.
2006
Year BuiltThe year the home was originally built, according to county records.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$4,700,000 · Sep 6, 2013

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$70,562 (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.$5,876,504 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,375,864
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,500,640
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$5,761,307

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.12 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.0.2 percent 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
CountyMARIN
Lot (acres)The size of the land the home sits on, from county records.0.97
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 599 ft²Patio · 599 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
Ross SchoolA+
Elementary · Grades KG–8 · 0.3 mi
H
Redwood High SchoolA+
High · Grades 9–12 · 2.2 mi

District: Tamalpais Union High School District

Neighborhood · ZIP 94957These 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.58
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.83
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.370

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.90%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.42%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.1%
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.2,366
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,440 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$259,576
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$395,275
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.44 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.No

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

18 Ross Cmn 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.

  • Bigger than 98% of homes in Marin County
  • Has a bigger lot than 94% of homes in Marin County
  • Newer than 98% of homes in Marin County

How it measures up in Ross 94957

The dot is this home. The mark in the middle is the typical home in Ross 94957.

Living area4,872 ft²
SmallerTypical 2,773 ft²Bigger

Bigger than 84% of homes nearby

Lot size0.97 ac
SmallerTypical 0.39 acBigger

Bigger than 75% of homes nearby

Year built2006
OlderTypical 1938Newer

Newer than 96% of homes nearby

How 18 Ross Cmn ranks against every home in each area.
MeasureThis homeRoss 94957Marin County
Living areabigger than4,872 ft²84% of homes98% of homes
Lot sizebigger than0.97 ac75% of homes94% of homes
Year builtnewer than200696% of homes98% of homes

About 18 Ross Cmn

When did 18 Ross Cmn, Ross, CA last sell?

18 Ross Cmn, Ross, CA last sold on Sep 6, 2013 for $4,700,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 18 Ross Cmn, Ross, CA?

18 Ross Cmn, Ross, CA has 5 bedrooms, 5.5 bathrooms, 4,872 square feet of living space and a 0.97-acre lot.

When was 18 Ross Cmn, Ross, CA built?

18 Ross Cmn, Ross, CA was built in 2006, making it 20 years old.

What schools serve 18 Ross Cmn, Ross, CA?

18 Ross Cmn, Ross, CA is assigned to Ross School (elementary), rated A+; Redwood High School (high), rated A+. All sit in Tamalpais Union High School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Ross Cmn, Ross, CA compare to other homes in Ross 94957?

Among the 817 homes in Ross 94957, it is bigger than 84% of them (4,872 ft² against a typical 2,773 ft²), its lot is bigger than 75% of them (0.97 ac against a typical 0.39 ac) and it is newer than 96% of them (2006 against a typical 1938). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 18 Ross Cmn, Ross, CA?

The 2025 property tax bill for 18 Ross Cmn, Ross, CA was $70,562. The county assessed it at $5,876,504.

More homes on Ross Cmn

Closest homes

More homes in Ross 94957

Assigned schools

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