Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$165,518$140 / 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 82How 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 $27,000 on Jan 16, 1991

645 WATSON ST SW

GRAND RAPIDS, MI 49504
1
Baths
1,186 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.
1,980 ft²
Lot SizeThe size of the land the home sits on, from county records.
1880
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

$166K
$136K low$195K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$27,000 · Jan 16, 1991

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$710 (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.$71,900 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$68,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$143,800

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
57
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
62
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.8 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.0.2 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
CountyKENT
Lot (acres)The size of the land the home sits on, from county records.0.04
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 51 ft²

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.

M
Grand Rapids University Preparatory AcademyB-
Middle · Grades 6–12 · 1.0 mi
E
Shawmut Hills SchoolD+
Elementary · Grades PK–8 · 2.4 mi

District: Grand Rapids Public Schools

Neighborhood · ZIP 49504These 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.139
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.75
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
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.41,462
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,686 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,371
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,253
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.37 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.46%

Owner Tools

Do you own this home?
Claim this home

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

645 Watson St Sw 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 less than 96% of homes in Grand Rapids 49504
  • Costs less per square foot than 95% of homes in Kent County
  • Smaller than 76% of homes in John Ball Park
  • Among the smallest lots in Grand Rapids 49504
  • Among the oldest homes in Kent County

What homes are worth in Grand Rapids 49504

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

This home
$150K$539K

This home is worth more than 4% of homes in Grand Rapids 49504.

How it measures up in Grand Rapids 49504

The dot is this home. The mark in the middle is the typical home in Grand Rapids 49504.

Estimated value$165,518
CheaperTypical $283,081Pricier

Pricier than 4% of homes nearby

Price per ft²$140
CheaperTypical $214Pricier

Pricier than 8% of homes nearby

Living area1,186 ft²
SmallerTypical 1,377 ft²Bigger

Bigger than 31% of homes nearby

Lot size1,980 ft²
SmallerTypical 0.15 acBigger

Smaller than almost all homes nearby

Year built1880
OlderTypical 1929Newer

Newer than 4% of homes nearby

How 645 Watson St Sw ranks against every home in each area.
MeasureThis homeJohn Ball ParkGrand Rapids 49504Kent County
Estimated valuepricier than$165,5187% of homes4% of homes4% of homes
Price per ft²pricier than$14017% of homes8% of homes5% of homes
Living areabigger than1,186 ft²24% of homes31% of homes30% of homes
Lot sizebigger than1,980 ft²2% of homesalmost no homes6% of homes
Year builtnewer than18807% of homes4% of homesalmost no homes

About 645 Watson St Sw

How much is 645 Watson St Sw, Grand Rapids, MI worth?

The TopHap Estimate for 645 Watson St Sw, Grand Rapids, MI is $165,518 as of Aug 30, 2026. The likely range is $135,741 to $195,295. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 645 Watson St Sw, Grand Rapids, MI last sell?

645 Watson St Sw, Grand Rapids, MI last sold on Jan 16, 1991 for $27,000, according to the county's recorded deed.

How big is 645 Watson St Sw, Grand Rapids, MI?

645 Watson St Sw, Grand Rapids, MI has 1 bathrooms, 1,186 square feet of living space and a 0.04-acre lot.

When was 645 Watson St Sw, Grand Rapids, MI built?

645 Watson St Sw, Grand Rapids, MI was built in 1880, making it 146 years old. The building has 1 story.

What schools serve 645 Watson St Sw, Grand Rapids, MI?

645 Watson St Sw, Grand Rapids, MI is assigned to Grand Rapids University Preparatory Academy (middle), rated B-; Shawmut Hills School (elementary), rated D+. All sit in Grand Rapids Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 645 Watson St Sw, Grand Rapids, MI compare to other homes in Grand Rapids 49504?

Among the 13,437 homes in Grand Rapids 49504, it is worth more than 4% of them ($165,518 against a typical $283,081), its price per square foot is higher than 8% of them ($140 against a typical $214), it is bigger than 31% of them (1,186 ft² against a typical 1,377 ft²), its lot is bigger than almost none of them (1,980 ft² against a typical 0.15 ac) and it is newer than 4% of them (1880 against a typical 1929). Measured against all of Kent County, it is worth more than 4% 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 645 Watson St Sw, Grand Rapids, MI?

The 2025 property tax bill for 645 Watson St Sw, Grand Rapids, MI was $710. The county assessed it at $71,900.

More homes on Watson St Sw

Closest homes

More homes in Grand Rapids 49504

Assigned schools

Explore the area

See this home in context

Open 645 Watson St Sw on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map