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Single Family ResidenceResidential
$562,214$151 / 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 Jul 14, 2026
Last sold for $640,000 on Jul 9, 2013

306 STATE ROUTE 173

STEWARTSVILLE, NJ 08886
0
Baths
3,724 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.
7.81 ac
Lot SizeThe size of the land the home sits on, from county records.
1700
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$562K
$544K low$581K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$640,000 · Jul 9, 2013
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$562,214
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$449,771

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,381 (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.$354,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$95,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$259,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$354,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$354,900

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.29
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
18
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
30
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

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
CountyWARREN
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Greenwich Elementary SchoolB+
Elementary · Grades PK–5 · 1.4 mi
M
Stewartsville Middle SchoolA-
Middle · Grades 6–8 · 1.8 mi
H
Phillipsburg High SchoolC+
High · Grades 9–12 · 5.1 mi

District: Greenwich Township School District

Neighborhood · ZIP 08886These 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.64
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.78

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.95%
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.3.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.6,509
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.430 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$146,760
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$158,897
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No

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

306 State Route 173 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 78% of homes in Warren County
  • Costs less per square foot than 95% of homes in Stewartsville 08886
  • Bigger than 98% of homes in Warren County
  • Among the largest lots in Stewartsville 08886
  • Among the oldest homes in Stewartsville 08886

What homes are worth in Stewartsville 08886

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

This home
$174K$871K

This home is worth more than 56% of homes in Stewartsville 08886.

How it measures up in Stewartsville 08886

The dot is this home. The mark in the middle is the typical home in Stewartsville 08886.

Estimated value$562,214
CheaperTypical $529,625Pricier

Pricier than 56% of homes nearby

Price per ft²$151
CheaperTypical $251Pricier

Pricier than 5% of homes nearby

Living area3,724 ft²
SmallerTypical 2,240 ft²Bigger

Bigger than 96% of homes nearby

Lot size7.81 ac
SmallerTypical 0.42 acBigger

Bigger than almost all homes nearby

Year built1700
OlderTypical 1998Newer

Older than almost all homes nearby

How 306 State Route 173 ranks against every home in each area.
MeasureThis homeStewartsville 08886Warren County
Estimated valuepricier than$562,21456% of homes78% of homes
Price per ft²pricier than$1515% of homes5% of homes
Living areabigger than3,724 ft²96% of homes98% of homes
Lot sizebigger than7.81 acalmost all homesalmost all homes
Year builtnewer than1700almost no homesalmost no homes

About 306 State Route 173

How much is 306 State Route 173, Stewartsville, NJ worth?

The TopHap Estimate for 306 State Route 173, Stewartsville, NJ is $562,214 as of Jul 14, 2026. The likely range is $543,782 to $580,646. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 306 State Route 173, Stewartsville, NJ last sell?

306 State Route 173, Stewartsville, NJ last sold on Jul 9, 2013 for $640,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

When was 306 State Route 173, Stewartsville, NJ built?

306 State Route 173, Stewartsville, NJ was built in 1700, making it 326 years old. The building has 2 stories.

What schools serve 306 State Route 173, Stewartsville, NJ?

306 State Route 173, Stewartsville, NJ is assigned to Greenwich Elementary School (elementary), rated B+; Stewartsville Middle School (middle), rated A-; Phillipsburg High School (high), rated C+. All sit in Greenwich Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 306 State Route 173, Stewartsville, NJ compare to other homes in Stewartsville 08886?

Among the 2,252 homes in Stewartsville 08886, it is worth more than 56% of them ($562,214 against a typical $529,625), its price per square foot is higher than 5% of them ($151 against a typical $251), it is bigger than 96% of them (3,724 ft² against a typical 2,240 ft²), its lot is bigger than almost all of them (7.81 ac against a typical 0.42 ac) and it is newer than almost none of them (1700 against a typical 1998). Measured against all of Warren County, it is worth more than 78% 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 306 State Route 173, Stewartsville, NJ?

The 2025 property tax bill for 306 State Route 173, Stewartsville, NJ was $14,381. The county assessed it at $354,900.

Closest homes

More homes in Stewartsville 08886

Assigned schools

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