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Single Family ResidenceResidential
$659,731$211 / 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 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $509,000 on Feb 15, 2018

3520 MAIN ST

FOREST GROVE, OR 97116
6
Beds
3
Baths
3,130 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
2017
Year BuiltThe year the home was originally built, according to county records.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$660K
$638K low$681K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$509,000 · Feb 15, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,196 (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.$393,180 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$381,730
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$665,390

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.37
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
15
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
39
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
96
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
38
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.Single Family Residence
CountyWASHINGTON
Lot (acres)The size of the land the home sits on, from county records.0.11
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 324 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.

H
Forest Grove High SchoolA
High · Grades 9–12 · 0.5 mi
E
Harvey Clarke Elementary SchoolC
Elementary · Grades KG–4 · 0.8 mi
M
Neil Armstrong Middle SchoolD
Middle · Grades 7–8 · 2.4 mi

District: Forest Grove School District 15

Neighborhood · ZIP 97116These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.193

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.30,542
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.437 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$86,140
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,041
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.55 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.48%

Owner Tools

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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

3520 Main 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 87% of homes in Forest Grove 97116
  • Costs less per square foot than 97% of homes in Washington County
  • Bigger than 93% of homes in Forest Grove 97116
  • Has a smaller lot than 78% of homes in Forest Grove 97116
  • Newer than 92% of homes in Washington County

What homes are worth in Forest Grove 97116

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

This home
$311K$826K

This home is worth more than 87% of homes in Forest Grove 97116.

How it measures up in Forest Grove 97116

The dot is this home. The mark in the middle is the typical home in Forest Grove 97116.

Estimated value$659,731
CheaperTypical $494,503Pricier

Pricier than 87% of homes nearby

Price per ft²$211
CheaperTypical $279Pricier

Pricier than 6% of homes nearby

Living area3,130 ft²
SmallerTypical 1,704 ft²Bigger

Bigger than 93% of homes nearby

Lot size0.11 ac
SmallerTypical 0.17 acBigger

Bigger than 22% of homes nearby

Year built2017
OlderTypical 1993Newer

Newer than 86% of homes nearby

How 3520 Main St ranks against every home in each area.
MeasureThis homeRoy / VerboortForest Grove 97116Washington County
Estimated valuepricier than$659,73174% of homes87% of homes72% of homes
Price per ft²pricier than$2118% of homes6% of homes3% of homes
Living areabigger than3,130 ft²89% of homes93% of homes90% of homes
Lot sizebigger than0.11 ac33% of homes22% of homes29% of homes
Year builtnewer than201753% of homes86% of homes92% of homes

About 3520 Main St

How much is 3520 Main St, Forest Grove, OR worth?

The TopHap Estimate for 3520 Main St, Forest Grove, OR is $659,731 as of Sep 24, 2026. The likely range is $638,366 to $681,096. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3520 Main St, Forest Grove, OR last sell?

3520 Main St, Forest Grove, OR last sold on Feb 15, 2018 for $509,000, according to the county's recorded deed.

How big is 3520 Main St, Forest Grove, OR?

3520 Main St, Forest Grove, OR has 6 bedrooms, 3 bathrooms, 3,130 square feet of living space and a 0.11-acre lot.

When was 3520 Main St, Forest Grove, OR built?

3520 Main St, Forest Grove, OR was built in 2017, making it 9 years old.

What schools serve 3520 Main St, Forest Grove, OR?

3520 Main St, Forest Grove, OR is assigned to Forest Grove High School (high), rated A; Harvey Clarke Elementary School (elementary), rated C; Neil Armstrong Middle School (middle), rated D. All sit in Forest Grove School District 15. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3520 Main St, Forest Grove, OR compare to other homes in Forest Grove 97116?

Among the 7,739 homes in Forest Grove 97116, it is worth more than 87% of them ($659,731 against a typical $494,503), its price per square foot is higher than 6% of them ($211 against a typical $279), it is bigger than 93% of them (3,130 ft² against a typical 1,704 ft²), its lot is bigger than 22% of them (0.11 ac against a typical 0.17 ac) and it is newer than 86% of them (2017 against a typical 1993). Measured against all of Washington County, it is worth more than 72% 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 3520 Main St, Forest Grove, OR?

The 2025 property tax bill for 3520 Main St, Forest Grove, OR was $7,196. The county assessed it at $393,180.

More homes on Main St

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More homes in Forest Grove 97116

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