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Single Family ResidenceResidential
$319,223$183 / 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 96How 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 $230,000 on Sep 4, 2020

306 1ST ST

SENECA, OR 97873
0
Baths
1,740 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.
4.68 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$319K
$306K low$332K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$230,000 · Sep 4, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,375 (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.$81,002 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$27,638
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$53,364
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$78,643
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$344,050

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.41
75
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
85
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
47
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.55 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
CountyGRANT
Lot (acres)The size of the land the home sits on, from county records.4.68
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
Seneca Elementary School
Elementary · Grades KG–6 · 0.3 mi
M
Grant Union Junior/Senior High SchoolC+
Middle · Grades 7–12 · 18.7 mi

District: John Day School District 3

Neighborhood · ZIP 97873These 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.137
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.117
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.69

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.74%
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.13%
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.178
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$64,898
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$79,701
Average tempThe average temperature here across a full year.43°F
Annual precipHow much rain and melted snow falls here in a typical year.20 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

306 1st 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 96% of homes in Seneca 97873
  • Costs more per square foot than 68% of homes in Seneca 97873
  • Bigger than 88% of homes in Seneca 97873
  • Has a bigger lot than 94% of homes in Seneca 97873

What homes are worth in Seneca 97873

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

This home
$59K$387K

This home is worth more than 96% of homes in Seneca 97873.

How it measures up in Seneca 97873

The dot is this home. The mark in the middle is the typical home in Seneca 97873.

Estimated value$319,223
CheaperTypical $128,142Pricier

Pricier than 96% of homes nearby

Price per ft²$183
CheaperTypical $129Pricier

Pricier than 68% of homes nearby

Living area1,740 ft²
SmallerTypical 1,013 ft²Bigger

Bigger than 88% of homes nearby

Lot size4.68 ac
SmallerTypical 0.17 acBigger

Bigger than 94% of homes nearby

How 306 1st St ranks against every home in each area.
MeasureThis homeSeneca 97873Grant County
Estimated valuepricier than$319,22396% of homes77% of homes
Price per ft²pricier than$18368% of homes41% of homes
Living areabigger than1,740 ft²88% of homes81% of homes
Lot sizebigger than4.68 ac94% of homes74% of homes

About 306 1st St

How much is 306 1st St, Seneca, OR worth?

The TopHap Estimate for 306 1st St, Seneca, OR is $319,223 as of Aug 30, 2026. The likely range is $306,263 to $332,183. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 306 1st St, Seneca, OR last sell?

306 1st St, Seneca, OR last sold on Sep 4, 2020 for $230,000, according to the county's recorded deed.

How big is 306 1st St, Seneca, OR?

306 1st St, Seneca, OR has 1,740 square feet of living space and a 4.68-acre lot.

What schools serve 306 1st St, Seneca, OR?

306 1st St, Seneca, OR is assigned to Seneca Elementary School (elementary); Grant Union Junior/Senior High School (middle), rated C+. All sit in John Day School District 3. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 306 1st St, Seneca, OR compare to other homes in Seneca 97873?

Among the 139 homes in Seneca 97873, it is worth more than 96% of them ($319,223 against a typical $128,142), its price per square foot is higher than 68% of them ($183 against a typical $129), it is bigger than 88% of them (1,740 ft² against a typical 1,013 ft²) and its lot is bigger than 94% of them (4.68 ac against a typical 0.17 ac). Measured against all of Grant 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 306 1st St, Seneca, OR?

The 2025 property tax bill for 306 1st St, Seneca, OR was $1,375. The county assessed it at $81,002.

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