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Single Family ResidenceResidential
$477,739$262 / 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 95How 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

4280 KNAPP ST NE

GRAND RAPIDS, MI 49525
2
Baths
1,824 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.
1.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$478K
$452K low$504K high
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.$253,614
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$202,891
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.47%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$174,000
HUNTINGTON NATIONAL BANK · R · recorded Dec 5, 2003
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$50,125
HUNTINGTON NATIONAL BANK

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,302 (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.$214,100 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$204,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$428,200

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.42
34
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
11
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.
75
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
29
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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountyKENT
Lot (acres)The size of the land the home sits on, from county records.1.14
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
Knapp Forest Elementary SchoolA+
Elementary · Grades KG–5 · 0.2 mi
M
Eastern Middle SchoolA-
Middle · Grades 6–8 · 1.9 mi
H
Eastern High SchoolA
High · Grades 9–12 · 1.9 mi

District: Forest Hills Public Schools

Neighborhood · ZIP 49525These 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.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.21

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.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.0%
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.31,139
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,263 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$96,767
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$130,666
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.36 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.46%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

4280 Knapp St Ne 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 77% of homes in Kent County
  • Costs less per square foot than 68% of homes in Grand Rapids 49525
  • Bigger than 73% of homes in Kent County
  • Has a bigger lot than 79% of homes in Grand Rapids 49525
  • Newer than 68% of homes in Kent County

What homes are worth in Grand Rapids 49525

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

This home
$187K$1.1M

This home is worth more than 68% of homes in Grand Rapids 49525.

How it measures up in Grand Rapids 49525

The dot is this home. The mark in the middle is the typical home in Grand Rapids 49525.

Estimated value$477,739
CheaperTypical $384,492Pricier

Pricier than 68% of homes nearby

Price per ft²$262
CheaperTypical $290Pricier

Pricier than 32% of homes nearby

Living area1,824 ft²
SmallerTypical 1,634 ft²Bigger

Bigger than 61% of homes nearby

Lot size1.14 ac
SmallerTypical 0.41 acBigger

Bigger than 79% of homes nearby

Year built1988
OlderTypical 1987Newer

Newer than 54% of homes nearby

How 4280 Knapp St Ne ranks against every home in each area.
MeasureThis homeGrand Rapids 49525Kent County
Estimated valuepricier than$477,73968% of homes77% of homes
Price per ft²pricier than$26232% of homes61% of homes
Living areabigger than1,824 ft²61% of homes73% of homes
Lot sizebigger than1.14 ac79% of homes79% of homes
Year builtnewer than198854% of homes68% of homes

About 4280 Knapp St Ne

How much is 4280 Knapp St Ne, Grand Rapids, MI worth?

The TopHap Estimate for 4280 Knapp St Ne, Grand Rapids, MI is $477,739 as of Jul 14, 2026. The likely range is $451,899 to $503,579. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4280 Knapp St Ne, Grand Rapids, MI last sell?

4280 Knapp St Ne, Grand Rapids, MI last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4280 Knapp St Ne, Grand Rapids, MI?

4280 Knapp St Ne, Grand Rapids, MI has 2 bathrooms, 1,824 square feet of living space and a 1.14-acre lot.

When was 4280 Knapp St Ne, Grand Rapids, MI built?

4280 Knapp St Ne, Grand Rapids, MI was built in 1988, making it 38 years old. The building has 2 stories.

What schools serve 4280 Knapp St Ne, Grand Rapids, MI?

4280 Knapp St Ne, Grand Rapids, MI is assigned to Knapp Forest Elementary School (elementary), rated A+; Eastern Middle School (middle), rated A-; Eastern High School (high), rated A. All sit in Forest Hills Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4280 Knapp St Ne, Grand Rapids, MI compare to other homes in Grand Rapids 49525?

Among the 10,150 homes in Grand Rapids 49525, it is worth more than 68% of them ($477,739 against a typical $384,492), its price per square foot is higher than 32% of them ($262 against a typical $290), it is bigger than 61% of them (1,824 ft² against a typical 1,634 ft²), its lot is bigger than 79% of them (1.14 ac against a typical 0.41 ac) and it is newer than 54% of them (1988 against a typical 1987). Measured against all of Kent County, it is worth more than 77% 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 4280 Knapp St Ne, Grand Rapids, MI?

The 2025 property tax bill for 4280 Knapp St Ne, Grand Rapids, MI was $2,302. The county assessed it at $214,100.

Closest homes

More homes in Grand Rapids 49525

Assigned schools

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