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Residential (General/Single)Residential
$859,095$468 / 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 Aug 30, 2026
Last sold for $775,000 on Mar 26, 2021

205 ALDER PL

NOVATO, CA 94945
4
Beds
2.5
Baths
1,835 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.
1,980 ft²
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$859K
$831K low$888K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$775,000 · Mar 26, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,087 (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.$855,646 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$441,624
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$414,022
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$838,875

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
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.1990
Lot (acres)The size of the land the home sits on, from county records.0.05
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning 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 · 432 ft²

Transaction History(7)

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.

H
San Marin High SchoolA+
High · Grades 9–12 · 0.2 mi
E
San Ramon Elementary SchoolA
Elementary · Grades KG–5 · 0.2 mi
M
Sinaloa Middle SchoolB
Middle · Grades 6–8 · 1.3 mi

District: Novato Unified School District

Neighborhood · ZIP 94945These 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.80
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 100.343

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.18,041
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.609 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$121,671
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$168,139
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.31 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

205 Alder 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 less than 81% of homes in Marin County
  • Costs less per square foot than 93% of homes in Marin County
  • Has a smaller lot than 90% of homes in Marin County
  • Newer than 76% of homes in Marin County

What homes are worth in Novato 94945

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

This home
$507K$2.3M

This home is worth more than 35% of homes in Novato 94945.

How it measures up in Novato 94945

The dot is this home. The mark in the middle is the typical home in Novato 94945.

Estimated value$859,095
CheaperTypical $967,923Pricier

Pricier than 35% of homes nearby

Price per ft²$468
CheaperTypical $522Pricier

Pricier than 25% of homes nearby

Living area1,835 ft²
SmallerTypical 1,833 ft²Bigger

Bigger than 51% of homes nearby

Lot size1,980 ft²
SmallerTypical 0.19 acBigger

Bigger than 12% of homes nearby

Year built1978
OlderTypical 1974Newer

Newer than 62% of homes nearby

How 205 Alder Pl ranks against every home in each area.
MeasureThis homeNorthwest NovatoNovato 94945Marin County
Estimated valuepricier than$859,09534% of homes35% of homes19% of homes
Price per ft²pricier than$46817% of homes25% of homes7% of homes
Living areabigger than1,835 ft²57% of homes51% of homes51% of homes
Lot sizebigger than1,980 ft²15% of homes12% of homes10% of homes
Year builtnewer than197874% of homes62% of homes76% of homes

About 205 Alder Pl

How much is 205 Alder Pl, Novato, CA worth?

The TopHap Estimate for 205 Alder Pl, Novato, CA is $859,095 as of Aug 30, 2026. The likely range is $830,663 to $887,527. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 205 Alder Pl, Novato, CA last sell?

205 Alder Pl, Novato, CA last sold on Mar 26, 2021 for $775,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 205 Alder Pl, Novato, CA?

205 Alder Pl, Novato, CA has 4 bedrooms, 2.5 bathrooms, 1,835 square feet of living space and a 0.05-acre lot.

When was 205 Alder Pl, Novato, CA built?

205 Alder Pl, Novato, CA was built in 1978, making it 48 years old. It is a colonial home. The building has 1 story.

What schools serve 205 Alder Pl, Novato, CA?

205 Alder Pl, Novato, CA is assigned to San Marin High School (high), rated A+; San Ramon Elementary School (elementary), rated A; Sinaloa Middle School (middle), rated B. All sit in Novato Unified School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 205 Alder Pl, Novato, CA compare to other homes in Novato 94945?

Among the 5,950 homes in Novato 94945, it is worth more than 35% of them ($859,095 against a typical $967,923), its price per square foot is higher than 25% of them ($468 against a typical $522), it is bigger than 51% of them (1,835 ft² against a typical 1,833 ft²), its lot is bigger than 12% of them (1,980 ft² against a typical 0.19 ac) and it is newer than 62% of them (1978 against a typical 1974). Measured against all of Marin County, it is worth more than 19% 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 205 Alder Pl, Novato, CA?

The 2025 property tax bill for 205 Alder Pl, Novato, CA was $11,087. The county assessed it at $855,646.

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