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Single Family ResidenceResidential
$1,969,839$1,571 / 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 90How 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 $1,250,000 on Mar 30, 2007

8 ARCH ST

LARKSPUR, CA 94939
3
Beds
2
Baths
1,254 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
2005
Year BuiltThe year the home was originally built, according to county records.

Valuation

$2M
$1.8M low$2.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,250,000 · Mar 30, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$22,865 (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.$1,708,087 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,161,499
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$546,588
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,674,600

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.33 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.minimal

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.0.22
HeatingThe type of heating system in the home.Radiant
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 · 930 ft²Patio · 930 ft²

Transaction History(14)

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.

M
Hall Middle SchoolA
Middle · Grades 6–8 · 0.5 mi
H
Redwood High SchoolA+
High · Grades 9–12 · 0.8 mi
E
Neil Cummins Elementary SchoolA+
Elementary · Grades KG–5 · 0.8 mi

District: Larkspur Elementary School District

Neighborhood · ZIP 94939These 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.96
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 100.376

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.4%
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.6,549
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,698 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$169,587
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$221,666
Average tempThe average temperature here across a full year.58°F
Annual precipHow much rain and melted snow falls here in a typical year.39 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

8 Arch 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 more than 72% of homes in Marin County
  • Costs more per square foot than 95% of homes in Marin County
  • Smaller than 89% of homes in Southwest Larkspur
  • Newer than 97% of homes in Marin County

What homes are worth in Larkspur 94939

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

This home
$509K$5.3M

This home is worth more than 47% of homes in Larkspur 94939.

How it measures up in Larkspur 94939

The dot is this home. The mark in the middle is the typical home in Larkspur 94939.

Estimated value$1,969,839
CheaperTypical $2,048,068Pricier

Pricier than 47% of homes nearby

Price per ft²$1571
CheaperTypical $1041Pricier

Pricier than 89% of homes nearby

Living area1,254 ft²
SmallerTypical 1,920 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.22 ac
SmallerTypical 0.18 acBigger

Bigger than 63% of homes nearby

Year built2005
OlderTypical 1967Newer

Newer than 93% of homes nearby

How 8 Arch St ranks against every home in each area.
MeasureThis homeSouthwest LarkspurLarkspur 94939Marin County
Estimated valuepricier than$1,969,83936% of homes47% of homes72% of homes
Price per ft²pricier than$157189% of homes89% of homes95% of homes
Living areabigger than1,254 ft²11% of homes25% of homes19% of homes
Lot sizebigger than0.22 ac55% of homes63% of homes61% of homes
Year builtnewer than200596% of homes93% of homes97% of homes

About 8 Arch St

How much is 8 Arch St, Larkspur, CA worth?

The TopHap Estimate for 8 Arch St, Larkspur, CA is $1,969,839 as of Aug 30, 2026. The likely range is $1,776,271 to $2,163,407. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8 Arch St, Larkspur, CA last sell?

8 Arch St, Larkspur, CA last sold on Mar 30, 2007 for $1,250,000, according to the county's recorded deed. TopHap holds 8 recorded sales for this parcel.

How big is 8 Arch St, Larkspur, CA?

8 Arch St, Larkspur, CA has 3 bedrooms, 2 bathrooms, 1,254 square feet of living space and a 0.22-acre lot.

When was 8 Arch St, Larkspur, CA built?

8 Arch St, Larkspur, CA was built in 2005, making it 21 years old.

What schools serve 8 Arch St, Larkspur, CA?

8 Arch St, Larkspur, CA is assigned to Hall Middle School (middle), rated A; Redwood High School (high), rated A+; Neil Cummins Elementary School (elementary), rated A+. All sit in Larkspur Elementary School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8 Arch St, Larkspur, CA compare to other homes in Larkspur 94939?

Among the 2,375 homes in Larkspur 94939, it is worth more than 47% of them ($1,969,839 against a typical $2,048,068), its price per square foot is higher than 89% of them ($1571 against a typical $1041), it is bigger than 25% of them (1,254 ft² against a typical 1,920 ft²), its lot is bigger than 63% of them (0.22 ac against a typical 0.18 ac) and it is newer than 93% of them (2005 against a typical 1967). Measured against all of Marin County, it is worth more than 72% 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 8 Arch St, Larkspur, CA?

The 2025 property tax bill for 8 Arch St, Larkspur, CA was $22,865. The county assessed it at $1,708,087.

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