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Single Family ResidenceResidential
$823,710$1,017 / 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 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $850,000 on Sep 20, 2021

100 SOUTH ST

SAUSALITO, CA 94965
Building report
1
Beds
1
Baths
810 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.
806 ft²
Lot SizeThe size of the land the home sits on, from county records.
1963
Year BuiltThe year the home was originally built, according to county records.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$824K
$798K low$849K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$850,000 · Sep 20, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,513 (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.$800,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$320,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$480,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$800,000

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.197 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.Colonial
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.1975
Lot (acres)The size of the land the home sits on, from county records.0.02
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 · 98 ft²Patio · 98 ft²

Transaction History(1)

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
Dr. Martin Luther King Jr. AcademyB
Elementary · Grades KG–8 · 1.7 mi
H
Tamalpais High SchoolA
High · Grades 9–12 · 4.1 mi

District: Sausalito Elementary School District

Neighborhood · ZIP 94965These 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.149
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.458

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.11,048
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.525 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$138,294
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$185,477
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.78%

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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

100 South St 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 less than 97% of homes in Old Town-Hurricane Gulch
  • Costs more per square foot than 74% of homes in Marin County
  • Smaller than 97% of homes in Old Town-Hurricane Gulch
  • Has a smaller lot than 98% of homes in Old Town-Hurricane Gulch
  • Newer than 74% of homes in Old Town-Hurricane Gulch

What homes are worth in Sausalito 94965

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

This home
$513K$5.6M

This home is worth more than 17% of homes in Sausalito 94965.

How it measures up in Sausalito 94965

The dot is this home. The mark in the middle is the typical home in Sausalito 94965.

Estimated value$823,710
CheaperTypical $1,441,740Pricier

Pricier than 17% of homes nearby

Price per ft²$1017
CheaperTypical $955Pricier

Pricier than 59% of homes nearby

Living area810 ft²
SmallerTypical 1,651 ft²Bigger

Bigger than 8% of homes nearby

Lot size806 ft²
SmallerTypical 4,182 ft²Bigger

Bigger than 18% of homes nearby

Year built1963
OlderTypical 1966Newer

Newer than 46% of homes nearby

How 100 South St ranks against every home in each area.
MeasureThis homeOld Town-Hurricane GulchSausalito 94965Marin County
Estimated valuepricier than$823,7103% of homes17% of homes16% of homes
Price per ft²pricier than$101736% of homes59% of homes74% of homes
Living areabigger than810 ft²3% of homes8% of homes3% of homes
Lot sizebigger than806 ft²2% of homes18% of homes3% of homes
Year builtnewer than196374% of homes46% of homes52% of homes

About 100 South St

How much is 100 South St, Sausalito, CA worth?

The TopHap Estimate for 100 South St, Sausalito, CA is $823,710 as of Sep 24, 2026. The likely range is $798,185 to $849,235. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 South St, Sausalito, CA last sell?

100 South St, Sausalito, CA last sold on Sep 20, 2021 for $850,000, according to the county's recorded deed.

How big is 100 South St, Sausalito, CA?

100 South St, Sausalito, CA has 1 bedrooms, 1 bathrooms, 810 square feet of living space and a 0.02-acre lot.

When was 100 South St, Sausalito, CA built?

100 South St, Sausalito, CA was built in 1963, making it 63 years old. It is a colonial home.

What schools serve 100 South St, Sausalito, CA?

100 South St, Sausalito, CA is assigned to Dr. Martin Luther King Jr. Academy (elementary), rated B; Tamalpais High School (high), rated A. All sit in Sausalito Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 South St, Sausalito, CA compare to other homes in Sausalito 94965?

Among the 3,820 homes in Sausalito 94965, it is worth more than 17% of them ($823,710 against a typical $1,441,740), its price per square foot is higher than 59% of them ($1017 against a typical $955), it is bigger than 8% of them (810 ft² against a typical 1,651 ft²), its lot is bigger than 18% of them (806 ft² against a typical 4,182 ft²) and it is newer than 46% of them (1963 against a typical 1966). Measured against all of Marin County, it is worth more than 16% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 100 South St, Sausalito, CA?

The 2025 property tax bill for 100 South St, Sausalito, CA was $11,513. The county assessed it at $800,000.

More homes on South St

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