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CondominiumResidential
$367,251$203 / 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 62How 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 $287,500 on May 26, 2023

850 MARINERS ROW

SENECA, IL 61360
3
Baths
1,812 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
Year BuiltThe year the home was originally built, according to county records.

Valuation

$367K
$227K low$508K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$287,500 · May 26, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,591 (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.$108,904 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,550
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$99,354
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$90,640
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$326,712

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.35
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
72
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
71
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
28
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyLASALLE
Lot (acres)The size of the land the home sits on, from county records.0.15
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(2)

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
Seneca Elementary School South CampusB+
Middle · Grades 5–8 · 0.6 mi
E
Seneca Grade School North CampusB
Elementary · Grades PK–4 · 0.6 mi
H
Seneca High SchoolA+
High · Grades 9–12 · 1.1 mi

District: Seneca Township High School District 160

Neighborhood · ZIP 61360These 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.80
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.77
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.3,307
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.64 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,465
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,593
Average tempThe average temperature here across a full year.50°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.55%

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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

850 Mariners Row 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 91% of homes in LaSalle County
  • Costs more per square foot than 91% of homes in LaSalle County
  • Bigger than 73% of homes in LaSalle County
  • Has a smaller lot than 89% of homes in Seneca 61360
  • Newer than 93% of homes in LaSalle County

What homes are worth in Seneca 61360

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

This home
$92K$589K

This home is worth more than 85% of homes in Seneca 61360.

How it measures up in Seneca 61360

The dot is this home. The mark in the middle is the typical home in Seneca 61360.

Estimated value$367,251
CheaperTypical $219,375Pricier

Pricier than 85% of homes nearby

Price per ft²$203
CheaperTypical $139Pricier

Pricier than 90% of homes nearby

Living area1,812 ft²
SmallerTypical 1,638 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.15 ac
SmallerTypical 0.32 acBigger

Bigger than 11% of homes nearby

Year built2003
OlderTypical 1970Newer

Newer than 90% of homes nearby

How 850 Mariners Row ranks against every home in each area.
MeasureThis homeSeneca 61360LaSalle County
Estimated valuepricier than$367,25185% of homes91% of homes
Price per ft²pricier than$20390% of homes91% of homes
Living areabigger than1,812 ft²62% of homes73% of homes
Lot sizebigger than0.15 ac11% of homes20% of homes
Year builtnewer than200390% of homes93% of homes

About 850 Mariners Row

How much is 850 Mariners Row, Seneca, IL worth?

The TopHap Estimate for 850 Mariners Row, Seneca, IL is $367,251 as of Jul 14, 2026. The likely range is $226,804 to $507,698. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 850 Mariners Row, Seneca, IL last sell?

850 Mariners Row, Seneca, IL last sold on May 26, 2023 for $287,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 850 Mariners Row, Seneca, IL?

850 Mariners Row, Seneca, IL has 3 bathrooms, 1,812 square feet of living space and a 0.15-acre lot.

When was 850 Mariners Row, Seneca, IL built?

850 Mariners Row, Seneca, IL was built in 2003, making it 23 years old. It is a condo/apartment home.

What schools serve 850 Mariners Row, Seneca, IL?

850 Mariners Row, Seneca, IL is assigned to Seneca Elementary School South Campus (middle), rated B+; Seneca Grade School North Campus (elementary), rated B; Seneca High School (high), rated A+. All sit in Seneca Township High School District 160. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 850 Mariners Row, Seneca, IL compare to other homes in Seneca 61360?

Among the 1,078 homes in Seneca 61360, it is worth more than 85% of them ($367,251 against a typical $219,375), its price per square foot is higher than 90% of them ($203 against a typical $139), it is bigger than 62% of them (1,812 ft² against a typical 1,638 ft²), its lot is bigger than 11% of them (0.15 ac against a typical 0.32 ac) and it is newer than 90% of them (2003 against a typical 1970). Measured against all of LaSalle County, it is worth more than 91% 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 850 Mariners Row, Seneca, IL?

The 2025 property tax bill for 850 Mariners Row, Seneca, IL was $6,591. The county assessed it at $108,904.

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