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Single Family ResidenceResidential
$526,008$159 / 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 Jul 14, 2026
Last sold for $288,000 on Aug 31, 2010

275 N RIVER ST

SAINT HELENS, OR 97051
3
Beds
1
Baths
3,313 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.
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1936
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$526K
$456K low$596K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$288,000 · Aug 31, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,810 (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.$298,510 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$76,280
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$222,230
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$289,820
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$690,910

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.17 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
CountyColumbia
Lot (acres)The size of the land the home sits on, from county records.0.31
HeatingThe type of heating system in the home.Forced Air
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(4)

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
Lewis & Clark Elementary SchoolC-
Elementary · Grades KG–6 · 0.6 mi
M
St. Helens Middle SchoolD-
Middle · Grades 7–8 · 0.8 mi
H
St. Helens High SchoolC
High · Grades 9–12 · 2.2 mi

District: St. Helens School District 502

Neighborhood · ZIP 97051These 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.112
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 100.176

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.10%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.0%
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.17,648
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.311 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,326
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$93,299
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.57 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.48%

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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

275 N River 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 79% of homes in Saint Helens 97051
  • Among the lowest price per square foot in Saint Helens 97051
  • Bigger than 97% of homes in Saint Helens 97051
  • Has a bigger lot than 73% of homes in Saint Helens 97051
  • Older than 84% of homes in Columbia County

What homes are worth in Saint Helens 97051

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

This home
$262K$897K

This home is worth more than 79% of homes in Saint Helens 97051.

How it measures up in Saint Helens 97051

The dot is this home. The mark in the middle is the typical home in Saint Helens 97051.

Estimated value$526,008
CheaperTypical $434,396Pricier

Pricier than 79% of homes nearby

Price per ft²$159
CheaperTypical $283Pricier

Cheaper than almost all homes nearby

Living area3,313 ft²
SmallerTypical 1,580 ft²Bigger

Bigger than 97% of homes nearby

Lot size0.31 ac
SmallerTypical 0.17 acBigger

Bigger than 73% of homes nearby

Year built1936
OlderTypical 1982Newer

Newer than 17% of homes nearby

How 275 N River St ranks against every home in each area.
MeasureThis homeSaint Helens 97051Columbia County
Estimated valuepricier than$526,00879% of homes69% of homes
Price per ft²pricier than$159almost no homes3% of homes
Living areabigger than3,313 ft²97% of homes95% of homes
Lot sizebigger than0.31 ac73% of homes49% of homes
Year builtnewer than193617% of homes16% of homes

About 275 N River St

How much is 275 N River St, Saint Helens, OR worth?

The TopHap Estimate for 275 N River St, Saint Helens, OR is $526,008 as of Jul 14, 2026. The likely range is $456,362 to $595,654. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 275 N River St, Saint Helens, OR last sell?

275 N River St, Saint Helens, OR last sold on Aug 31, 2010 for $288,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 275 N River St, Saint Helens, OR?

275 N River St, Saint Helens, OR has 3 bedrooms, 1 bathrooms, 3,313 square feet of living space and a 0.31-acre lot.

When was 275 N River St, Saint Helens, OR built?

275 N River St, Saint Helens, OR was built in 1936, making it 90 years old. The building has 1 story.

What schools serve 275 N River St, Saint Helens, OR?

275 N River St, Saint Helens, OR is assigned to Lewis & Clark Elementary School (elementary), rated C-; St. Helens Middle School (middle), rated D-; St. Helens High School (high), rated C. All sit in St. Helens School District 502. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 275 N River St, Saint Helens, OR compare to other homes in Saint Helens 97051?

Among the 6,017 homes in Saint Helens 97051, it is worth more than 79% of them ($526,008 against a typical $434,396), its price per square foot is higher than almost none of them ($159 against a typical $283), it is bigger than 97% of them (3,313 ft² against a typical 1,580 ft²), its lot is bigger than 73% of them (0.31 ac against a typical 0.17 ac) and it is newer than 17% of them (1936 against a typical 1982). Measured against all of Columbia County, it is worth more than 69% 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 275 N River St, Saint Helens, OR?

The 2025 property tax bill for 275 N River St, Saint Helens, OR was $4,810. The county assessed it at $298,510.

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