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Single Family ResidenceResidential
$640,045$435 / 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 89How 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 $30,000 on Jul 22, 2019

109 RIDGEWOOD AVE

HOLTSVILLE, NY 11742
3
Beds
1
Baths
1,472 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.
0.28 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
1
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

$640K
$573K low$708K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$30,000 · Jul 22, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,857 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$2,670 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$225
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,445
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$556,250

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
CountySUFFOLK
Lot (acres)The size of the land the home sits on, from county records.0.28
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
ViewThe type of view from the property, or another feature of the site that affects value.Waterfront

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(4)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Waverly Elementary SchoolB-
Elementary · Grades KG–5 · 1.7 mi
M
Sagamore Middle SchoolB
Middle · Grades 6–8 · 2.2 mi
H
Sachem High School EastB+
High · Grades 9–12 · 3.0 mi

District: Sachem Central School District

Neighborhood · ZIP 11742These 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.70
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.65

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.21%
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.1.2%
PopulationHow many people live in this area.13,573
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,673 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$128,824
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$140,549
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

109 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.

  • Costs more per square foot than 76% of homes in Holtsville
  • Smaller than 68% of homes in Holtsville

What homes are worth in Holtsville 11742

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

This home
$406K$1.5M

This home is worth more than 49% of homes in Holtsville 11742.

How it measures up in Holtsville 11742

The dot is this home. The mark in the middle is the typical home in Holtsville 11742.

Estimated value$640,045
CheaperTypical $643,793Pricier

Pricier than 49% of homes nearby

Price per ft²$435
CheaperTypical $374Pricier

Pricier than 69% of homes nearby

Living area1,472 ft²
SmallerTypical 1,718 ft²Bigger

Bigger than 36% of homes nearby

Lot size0.28 ac
SmallerTypical 0.28 acBigger

Bigger than 53% of homes nearby

Year built1977
OlderTypical 1976Newer

Newer than 55% of homes nearby

How 109 Ridgewood Ave ranks against every home in each area.
MeasureThis homeHoltsvilleHoltsville 11742Suffolk County
Estimated valuepricier than$640,04549% of homes49% of homes39% of homes
Price per ft²pricier than$43576% of homes69% of homes57% of homes
Living areabigger than1,472 ft²32% of homes36% of homes38% of homes
Lot sizebigger than0.28 ac48% of homes53% of homes51% of homes
Year builtnewer than197761% of homes55% of homes64% of homes

About 109 Ridgewood Ave

How much is 109 Ridgewood Ave, Holtsville, NY worth?

The TopHap Estimate for 109 Ridgewood Ave, Holtsville, NY is $640,045 as of Aug 30, 2026. The likely range is $572,528 to $707,562. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 109 Ridgewood Ave, Holtsville, NY last sell?

109 Ridgewood Ave, Holtsville, NY last sold on Jul 22, 2019 for $30,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 109 Ridgewood Ave, Holtsville, NY?

109 Ridgewood Ave, Holtsville, NY has 3 bedrooms, 1 bathrooms, 1,472 square feet of living space and a 0.28-acre lot.

When was 109 Ridgewood Ave, Holtsville, NY built?

109 Ridgewood Ave, Holtsville, NY was built in 1977, making it 49 years old. It is a ranch home. The building has 1 story.

What schools serve 109 Ridgewood Ave, Holtsville, NY?

109 Ridgewood Ave, Holtsville, NY is assigned to Waverly Elementary School (elementary), rated B-; Sagamore Middle School (middle), rated B; Sachem High School East (high), rated B+. All sit in Sachem Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 109 Ridgewood Ave, Holtsville, NY compare to other homes in Holtsville 11742?

Among the 3,856 homes in Holtsville 11742, it is worth more than 49% of them ($640,045 against a typical $643,793), its price per square foot is higher than 69% of them ($435 against a typical $374), it is bigger than 36% of them (1,472 ft² against a typical 1,718 ft²), its lot is bigger than 53% of them (0.28 ac against a typical 0.28 ac) and it is newer than 55% of them (1977 against a typical 1976). Measured against all of Suffolk County, it is worth more than 39% 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 109 Ridgewood Ave, Holtsville, NY?

The 2024 property tax bill for 109 Ridgewood Ave, Holtsville, NY was $9,857. The county assessed it at $2,670.

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