Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$131,136$156 / 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 70How 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 $69,500 on Aug 28, 2015

521 KNOX ST

RUMFORD, ME 04276
3
Beds
2
Baths
840 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1954
Year BuiltThe year the home was originally built, according to county records.

Valuation

$131K
$92K low$170K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$69,500 · Aug 28, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,208 (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.$117,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$21,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$96,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Cape Cod
CountyOXFORD
Lot (acres)The size of the land the home sits on, from county records.0.14
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Rumford Elementary SchoolD-
Elementary · Grades PK–5 · 0.3 mi
H
Mountain Valley High SchoolD+
High · Grades 9–12 · 0.8 mi
M
Mountain Valley Middle SchoolF
Middle · Grades 5–8 · 1.6 mi

District: Regional School Unit 10

Neighborhood · ZIP 04276These 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.133
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.85

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.13%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
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.5,976
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.83 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$41,740
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$67,003
Average tempThe average temperature here across a full year.42°F
Annual precipHow much rain and melted snow falls here in a typical year.46 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Owner Tools

Do you own this home?
Claim this home

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

521 Knox 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 less than 89% of homes in Oxford County
  • Costs less per square foot than 82% of homes in Oxford County
  • Smaller than 85% of homes in Rumford 04276
  • Has a smaller lot than 97% of homes in Oxford County
  • Older than 74% of homes in Oxford County

What homes are worth in Rumford 04276

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

This home
$50K$436K

This home is worth more than 34% of homes in Rumford 04276.

How it measures up in Rumford 04276

The dot is this home. The mark in the middle is the typical home in Rumford 04276.

Estimated value$131,136
CheaperTypical $158,312Pricier

Pricier than 34% of homes nearby

Price per ft²$156
CheaperTypical $138Pricier

Pricier than 61% of homes nearby

Living area840 ft²
SmallerTypical 1,218 ft²Bigger

Bigger than 15% of homes nearby

Lot size0.14 ac
SmallerTypical 0.34 acBigger

Bigger than 17% of homes nearby

Year built1954
OlderTypical 1930Newer

Newer than 63% of homes nearby

How 521 Knox St ranks against every home in each area.
MeasureThis homeRumford 04276Oxford County
Estimated valuepricier than$131,13634% of homes11% of homes
Price per ft²pricier than$15661% of homes18% of homes
Living areabigger than840 ft²15% of homes23% of homes
Lot sizebigger than0.14 ac17% of homes3% of homes
Year builtnewer than195463% of homes26% of homes

About 521 Knox St

How much is 521 Knox St, Rumford, ME worth?

The TopHap Estimate for 521 Knox St, Rumford, ME is $131,136 as of Jul 14, 2026. The likely range is $91,847 to $170,425. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Knox St, Rumford, ME last sell?

521 Knox St, Rumford, ME last sold on Aug 28, 2015 for $69,500, according to the county's recorded deed.

How big is 521 Knox St, Rumford, ME?

521 Knox St, Rumford, ME has 3 bedrooms, 2 bathrooms, 840 square feet of living space and a 0.14-acre lot.

When was 521 Knox St, Rumford, ME built?

521 Knox St, Rumford, ME was built in 1954, making it 72 years old. It is a cape cod home.

What schools serve 521 Knox St, Rumford, ME?

521 Knox St, Rumford, ME is assigned to Rumford Elementary School (elementary), rated D-; Mountain Valley High School (high), rated D+; Mountain Valley Middle School (middle), rated F. All sit in Regional School Unit 10. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 Knox St, Rumford, ME compare to other homes in Rumford 04276?

Among the 2,249 homes in Rumford 04276, it is worth more than 34% of them ($131,136 against a typical $158,312), its price per square foot is higher than 61% of them ($156 against a typical $138), it is bigger than 15% of them (840 ft² against a typical 1,218 ft²), its lot is bigger than 17% of them (0.14 ac against a typical 0.34 ac) and it is newer than 63% of them (1954 against a typical 1930). Measured against all of Oxford County, it is worth more than 11% 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 521 Knox St, Rumford, ME?

The 2025 property tax bill for 521 Knox St, Rumford, ME was $2,208. The county assessed it at $117,900.

More homes on Knox St

Closest homes

More homes in Rumford 04276

Assigned schools

Explore the area

See this home in context

Open 521 Knox St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map