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Single Family ResidenceResidential
$896,306$311 / 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 87How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $850,000 on Dec 29, 2025

21 SPRING ST

BUTLER, NJ 07405
0
Baths
2,885 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
2009
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$896K
$781K low$1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$850,000 · Dec 29, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,640 (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.$710,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$269,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$441,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$662,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$710,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMORRIS
Lot (acres)The size of the land the home sits on, from county records.0.18
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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.

H
Butler High SchoolB-
High · Grades 9–12 · 0.5 mi
M
Richard Butler SchoolB
Middle · Grades 5–8 · 0.6 mi
E
Aaron Decker SchoolB-
Elementary · Grades PK–4 · 0.6 mi

District: Butler Borough School District

Neighborhood · ZIP 07405These 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.72
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.107

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.18,807
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.822 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$138,382
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$163,923
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.52 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

21 Spring 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 73% of homes in Butler 07405
  • Costs less per square foot than 76% of homes in Morris County
  • Bigger than 80% of homes in Morris County
  • Has a smaller lot than 84% of homes in Butler 07405
  • Newer than 97% of homes in Butler 07405

What homes are worth in Butler 07405

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

This home
$371K$1.7M

This home is worth more than 73% of homes in Butler 07405.

How it measures up in Butler 07405

The dot is this home. The mark in the middle is the typical home in Butler 07405.

Estimated value$896,306
CheaperTypical $693,075Pricier

Pricier than 73% of homes nearby

Price per ft²$311
CheaperTypical $335Pricier

Pricier than 32% of homes nearby

Living area2,885 ft²
SmallerTypical 2,056 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.18 ac
SmallerTypical 0.45 acBigger

Bigger than 16% of homes nearby

Year built2009
OlderTypical 1964Newer

Newer than 97% of homes nearby

How 21 Spring St ranks against every home in each area.
MeasureThis homeButler 07405Morris County
Estimated valuepricier than$896,30673% of homes71% of homes
Price per ft²pricier than$31132% of homes24% of homes
Living areabigger than2,885 ft²73% of homes80% of homes
Lot sizebigger than0.18 ac16% of homes26% of homes
Year builtnewer than200997% of homes95% of homes

About 21 Spring St

How much is 21 Spring St, Butler, NJ worth?

The TopHap Estimate for 21 Spring St, Butler, NJ is $896,306 as of Oct 21, 2026. The likely range is $781,021 to $1,011,591. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Spring St, Butler, NJ last sell?

21 Spring St, Butler, NJ last sold on Dec 29, 2025 for $850,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21 Spring St, Butler, NJ?

21 Spring St, Butler, NJ has 2,885 square feet of living space and a 0.18-acre lot.

When was 21 Spring St, Butler, NJ built?

21 Spring St, Butler, NJ was built in 2009, making it 17 years old. The building has 2 stories.

What schools serve 21 Spring St, Butler, NJ?

21 Spring St, Butler, NJ is assigned to Butler High School (high), rated B-; Richard Butler School (middle), rated B; Aaron Decker School (elementary), rated B-. All sit in Butler Borough School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Spring St, Butler, NJ compare to other homes in Butler 07405?

Among the 5,870 homes in Butler 07405, it is worth more than 73% of them ($896,306 against a typical $693,075), its price per square foot is higher than 32% of them ($311 against a typical $335), it is bigger than 73% of them (2,885 ft² against a typical 2,056 ft²), its lot is bigger than 16% of them (0.18 ac against a typical 0.45 ac) and it is newer than 97% of them (2009 against a typical 1964). Measured against all of Morris County, it is worth more than 71% 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 21 Spring St, Butler, NJ?

The 2025 property tax bill for 21 Spring St, Butler, NJ was $16,640. The county assessed it at $710,300.

More homes on Spring St

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Assigned schools

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