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Duplex (2 Units, Any Combination)Residential
Last sold for $304,000 on Nov 29, 2000

90 PORTLAND AVE

DOVER, NH 03820
3
Beds
3
Baths
2,548 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.
0.61 ac
Lot SizeThe size of the land the home sits on, from county records.
1850
Year BuiltThe year the home was originally built, according to county records.
2
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.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$304,000 · Nov 29, 2000

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,800 (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.$701,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$198,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$502,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$743,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountySTRAFFORD
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2002
Lot (acres)The size of the land the home sits on, from county records.0.61
HeatingThe type of heating system in the home.Steam
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Yes

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
Frances G. Hopkins Elementary School At Horne StreetB-
Elementary · Grades KG–4 · 1.0 mi
M
Dover Middle SchoolB-
Middle · Grades 5–8 · 1.8 mi
H
Dover High School
High · Grades 9–12 · 1.9 mi

District: Dover School District

Neighborhood · ZIP 03820These 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.100
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.106

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.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.33,546
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,143 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,826
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$120,547
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.54%

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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

90 Portland Ave 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.

  • Bigger than 83% of homes in Dover 03820
  • Has a bigger lot than 67% of homes in Dover 03820
  • Older than 97% of homes in Dover 03820

How it measures up in Dover 03820

The dot is this home. The mark in the middle is the typical home in Dover 03820.

Living area2,548 ft²
SmallerTypical 1,678 ft²Bigger

Bigger than 83% of homes nearby

Lot size0.61 ac
SmallerTypical 0.39 acBigger

Bigger than 67% of homes nearby

Year built1850
OlderTypical 1976Newer

Newer than 3% of homes nearby

How 90 Portland Ave ranks against every home in each area.
MeasureThis homeDover 03820Strafford County
Living areabigger than2,548 ft²83% of homes83% of homes
Lot sizebigger than0.61 ac67% of homes47% of homes
Year builtnewer than18503% of homes3% of homes

About 90 Portland Ave

When did 90 Portland Ave, Dover, NH last sell?

90 Portland Ave, Dover, NH last sold on Nov 29, 2000 for $304,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 90 Portland Ave, Dover, NH?

90 Portland Ave, Dover, NH has 3 bedrooms, 3 bathrooms, 2,548 square feet of living space and a 0.61-acre lot.

When was 90 Portland Ave, Dover, NH built?

90 Portland Ave, Dover, NH was built in 1850, making it 176 years old. The building has 2 stories.

What schools serve 90 Portland Ave, Dover, NH?

90 Portland Ave, Dover, NH is assigned to Frances G. Hopkins Elementary School At Horne Street (elementary), rated B-; Dover Middle School (middle), rated B-; Dover High School (high). All sit in Dover School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 90 Portland Ave, Dover, NH compare to other homes in Dover 03820?

Among the 9,553 homes in Dover 03820, it is bigger than 83% of them (2,548 ft² against a typical 1,678 ft²), its lot is bigger than 67% of them (0.61 ac against a typical 0.39 ac) and it is newer than 3% of them (1850 against a typical 1976). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 90 Portland Ave, Dover, NH?

The 2025 property tax bill for 90 Portland Ave, Dover, NH was $13,800. The county assessed it at $701,200.

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Assigned schools

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