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Single Family ResidenceResidential
$1,469,038$1,010 / 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 Aug 30, 2026

661 RIDGEWOOD AVE

MILL VALLEY, CA 94941
3
Beds
1
Baths
1,455 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1961
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.5M
$1.3M low$1.6M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,825 (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.$684,904 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$272,085
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$412,819
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$671,475

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
Lot (acres)The size of the land the home sits on, from county records.0.18
RoofThe main material covering the roof, such as asphalt shingle or tile.Roll Tar & Gravel
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 · 294 ft²Patio · 294 ft²

Transaction History(5)

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
Old Mill Elementary SchoolA+
Elementary · Grades KG–5 · 0.3 mi
M
Mill Valley Middle SchoolA
Middle · Grades 6–8 · 1.3 mi
H
Tamalpais High SchoolA+
High · Grades 9–12 · 1.4 mi

District: Mill Valley Elementary School District

Neighborhood · ZIP 94941These 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.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.439

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
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.30,767
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,462 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$194,124
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$248,795
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.42 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

661 Ridgewood Ave 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 80% of homes in Homestead Valley
  • Costs less per square foot than 76% of homes in Homestead Valley
  • Smaller than 76% of homes in Mill Valley 94941

What homes are worth in Mill Valley 94941

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

This home
$770K$5.8M

This home is worth more than 23% of homes in Mill Valley 94941.

How it measures up in Mill Valley 94941

The dot is this home. The mark in the middle is the typical home in Mill Valley 94941.

Estimated value$1,469,038
CheaperTypical $2,067,417Pricier

Pricier than 23% of homes nearby

Price per ft²$1010
CheaperTypical $1050Pricier

Pricier than 43% of homes nearby

Living area1,455 ft²
SmallerTypical 1,965 ft²Bigger

Bigger than 24% of homes nearby

Lot size0.18 ac
SmallerTypical 0.19 acBigger

Bigger than 46% of homes nearby

Year built1961
OlderTypical 1959Newer

Newer than 55% of homes nearby

How 661 Ridgewood Ave ranks against every home in each area.
MeasureThis homeHomestead ValleyMill Valley 94941Marin County
Estimated valuepricier than$1,469,03820% of homes23% of homes53% of homes
Price per ft²pricier than$101024% of homes43% of homes75% of homes
Living areabigger than1,455 ft²27% of homes24% of homes30% of homes
Lot sizebigger than0.18 ac51% of homes46% of homes50% of homes
Year builtnewer than196164% of homes55% of homes46% of homes

About 661 Ridgewood Ave

How much is 661 Ridgewood Ave, Mill Valley, CA worth?

The TopHap Estimate for 661 Ridgewood Ave, Mill Valley, CA is $1,469,038 as of Aug 30, 2026. The likely range is $1,344,404 to $1,593,672. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 661 Ridgewood Ave, Mill Valley, CA last sell?

661 Ridgewood Ave, Mill Valley, CA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 661 Ridgewood Ave, Mill Valley, CA?

661 Ridgewood Ave, Mill Valley, CA has 3 bedrooms, 1 bathrooms, 1,455 square feet of living space and a 0.18-acre lot.

When was 661 Ridgewood Ave, Mill Valley, CA built?

661 Ridgewood Ave, Mill Valley, CA was built in 1961, making it 65 years old. It is a contemporary home. The building has 2 stories.

What schools serve 661 Ridgewood Ave, Mill Valley, CA?

661 Ridgewood Ave, Mill Valley, CA is assigned to Old Mill Elementary School (elementary), rated A+; Mill Valley Middle School (middle), rated A; Tamalpais High School (high), rated A+. All sit in Mill Valley Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 661 Ridgewood Ave, Mill Valley, CA compare to other homes in Mill Valley 94941?

Among the 10,554 homes in Mill Valley 94941, it is worth more than 23% of them ($1,469,038 against a typical $2,067,417), its price per square foot is higher than 43% of them ($1010 against a typical $1050), it is bigger than 24% of them (1,455 ft² against a typical 1,965 ft²), its lot is bigger than 46% of them (0.18 ac against a typical 0.19 ac) and it is newer than 55% of them (1961 against a typical 1959). Measured against all of Marin County, it is worth more than 53% 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 661 Ridgewood Ave, Mill Valley, CA?

The 2025 property tax bill for 661 Ridgewood Ave, Mill Valley, CA was $9,825. The county assessed it at $684,904.

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