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Single Family ResidenceResidential
Last sold for $2,000,000 on Jul 2, 2026

857 HOLLOW TREE RIDGE RD

DARIEN, CT 06820
2
Beds
2
Baths
1,180 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.
2.37 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$2,000,000 · Jul 2, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,996 (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.$1,033,340 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$943,880
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$89,460
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,033,340
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$723,338

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.44
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
61
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
96
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
43
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyWESTERN CONNECTICUT
Lot (acres)The size of the land the home sits on, from county records.2.37
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.No Foundation
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.In-Ground Pool

Transaction History(3)

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
Ox Ridge Elementary SchoolA+
Elementary · Grades KG–5 · 0.8 mi
H
Darien High SchoolA+
High · Grades 9–12 · 1.9 mi
M
Middlesex Middle SchoolA+
Middle · Grades 6–8 · 2.7 mi

District: Darien School District

Neighborhood · ZIP 06820These 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.75
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.113
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.92

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.47%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.0%
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.24,276
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,613 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$269,018
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$411,809
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.50 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

857 Hollow Tree Ridge Rd 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.

  • Smaller than 97% of homes in Darien 06820
  • Has a bigger lot than 96% of homes in Darien 06820
  • Older than 86% of homes in Western Connecticut County

How it measures up in Darien 06820

The dot is this home. The mark in the middle is the typical home in Darien 06820.

Living area1,180 ft²
SmallerTypical 3,053 ft²Bigger

Bigger than 3% of homes nearby

Lot size2.37 ac
SmallerTypical 0.52 acBigger

Bigger than 96% of homes nearby

Year built1930
OlderTypical 1955Newer

Newer than 19% of homes nearby

How 857 Hollow Tree Ridge Rd ranks against every home in each area.
MeasureThis homeDarien 06820Western Connecticut County
Living areabigger than1,180 ft²3% of homes17% of homes
Lot sizebigger than2.37 ac96% of homes90% of homes
Year builtnewer than193019% of homes14% of homes

About 857 Hollow Tree Ridge Rd

When did 857 Hollow Tree Ridge Rd, Darien, CT last sell?

857 Hollow Tree Ridge Rd, Darien, CT last sold on Jul 2, 2026 for $2,000,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 857 Hollow Tree Ridge Rd, Darien, CT?

857 Hollow Tree Ridge Rd, Darien, CT has 2 bedrooms, 2 bathrooms, 1,180 square feet of living space and a 2.37-acre lot.

When was 857 Hollow Tree Ridge Rd, Darien, CT built?

857 Hollow Tree Ridge Rd, Darien, CT was built in 1930, making it 96 years old. It is a ranch home. The building has 1 story.

What schools serve 857 Hollow Tree Ridge Rd, Darien, CT?

857 Hollow Tree Ridge Rd, Darien, CT is assigned to Ox Ridge Elementary School (elementary), rated A+; Darien High School (high), rated A+; Middlesex Middle School (middle), rated A+. All sit in Darien School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 857 Hollow Tree Ridge Rd, Darien, CT compare to other homes in Darien 06820?

Among the 6,580 homes in Darien 06820, it is bigger than 3% of them (1,180 ft² against a typical 3,053 ft²), its lot is bigger than 96% of them (2.37 ac against a typical 0.52 ac) and it is newer than 19% of them (1930 against a typical 1955). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 857 Hollow Tree Ridge Rd, Darien, CT?

The 2025 property tax bill for 857 Hollow Tree Ridge Rd, Darien, CT was $15,996. The county assessed it at $1,033,340.

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