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Single Family ResidenceResidential
$4,138,562$940 / 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 96How 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 $3,000,000 on Jun 8, 2018

100 CHIPMAN PL

SAN ANSELMO, CA 94960
6
Beds
5
Baths
4,403 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.
1.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$4.1M
$4M low$4.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$3,000,000 · Jun 8, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$43,544 (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.$3,479,358 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,740,840
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,738,518
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$3,411,154

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.2005
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 · 1,963 ft²Patio · 1,963 ft²

Transaction History(11)

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
Wade Thomas Elementary SchoolA+
Elementary · Grades KG–5 · 0.3 mi
H
Archie Williams High SchoolA+
High · Grades 9–12 · 1.0 mi
M
White Hill Middle SchoolA
Middle · Grades 6–8 · 3.0 mi

District: Ross Valley Elementary School District

Neighborhood · ZIP 94960These 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.91
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.375

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.44%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.15,210
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,567 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$171,687
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$228,400
Average tempThe average temperature here across a full year.59°F
Annual precipHow much rain and melted snow falls here in a typical year.40 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 Chipman Pl 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 98% of homes in San Anselmo 94960
  • Costs more per square foot than 68% of homes in Marin County
  • Bigger than 97% of homes in San Anselmo 94960
  • Has a bigger lot than 97% of homes in Marin County
  • Newer than 96% of homes in San Anselmo 94960

What homes are worth in San Anselmo 94960

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

This home
$815K$4.1M

This home is worth more than 98% of homes in San Anselmo 94960.

How it measures up in San Anselmo 94960

The dot is this home. The mark in the middle is the typical home in San Anselmo 94960.

Estimated value$4,138,562
CheaperTypical $1,604,719Pricier

Pricier than 98% of homes nearby

Price per ft²$940
CheaperTypical $878Pricier

Pricier than 65% of homes nearby

Living area4,403 ft²
SmallerTypical 1,882 ft²Bigger

Bigger than 97% of homes nearby

Lot size1.23 ac
SmallerTypical 0.18 acBigger

Bigger than 96% of homes nearby

Year built1994
OlderTypical 1949Newer

Newer than 96% of homes nearby

How 100 Chipman Pl ranks against every home in each area.
MeasureThis homeSan Anselmo 94960Marin County
Estimated valuepricier than$4,138,56298% of homes94% of homes
Price per ft²pricier than$94065% of homes68% of homes
Living areabigger than4,403 ft²97% of homes97% of homes
Lot sizebigger than1.23 ac96% of homes97% of homes
Year builtnewer than199496% of homes90% of homes

About 100 Chipman Pl

How much is 100 Chipman Pl, San Anselmo, CA worth?

The TopHap Estimate for 100 Chipman Pl, San Anselmo, CA is $4,138,562 as of Sep 24, 2026. The likely range is $3,988,018 to $4,289,106. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Chipman Pl, San Anselmo, CA last sell?

100 Chipman Pl, San Anselmo, CA last sold on Jun 8, 2018 for $3,000,000, according to the county's recorded deed. TopHap holds 7 recorded sales for this parcel.

How big is 100 Chipman Pl, San Anselmo, CA?

100 Chipman Pl, San Anselmo, CA has 6 bedrooms, 5 bathrooms and 4,403 square feet of living space.

When was 100 Chipman Pl, San Anselmo, CA built?

100 Chipman Pl, San Anselmo, CA was built in 1994, making it 32 years old. It is a contemporary home.

What schools serve 100 Chipman Pl, San Anselmo, CA?

100 Chipman Pl, San Anselmo, CA is assigned to Wade Thomas Elementary School (elementary), rated A+; Archie Williams High School (high), rated A+; White Hill Middle School (middle), rated A. All sit in Ross Valley Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 Chipman Pl, San Anselmo, CA compare to other homes in San Anselmo 94960?

Among the 5,166 homes in San Anselmo 94960, it is worth more than 98% of them ($4,138,562 against a typical $1,604,719), its price per square foot is higher than 65% of them ($940 against a typical $878), it is bigger than 97% of them (4,403 ft² against a typical 1,882 ft²), its lot is bigger than 96% of them (1.23 ac against a typical 0.18 ac) and it is newer than 96% of them (1994 against a typical 1949). Measured against all of Marin County, it is worth more than 94% 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 Chipman Pl, San Anselmo, CA?

The 2025 property tax bill for 100 Chipman Pl, San Anselmo, CA was $43,544. The county assessed it at $3,479,358.

More homes on Chipman Pl

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Assigned schools

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