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Single Family ResidenceResidential
$364,114$300 / 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 Sep 24, 2026
Last sold for $129,400 on May 26, 2017

505 MASON LN

NAMPA, ID 83686
2
Beds
1
Baths
1,215 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.
1969
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$364K
$349K low$379K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$129,400 · May 26, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,133 (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.$322,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$107,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$215,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$319,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$322,600

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCANYON
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.1972
Lot (acres)The size of the land the home sits on, from county records.0.31
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
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.DeckPatio · 600 ft²Porch · 450 ft²

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.

Foreclosure Filings(3)

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

H
Nampa High SchoolD
High · Grades 9–12 · 0.5 mi
E
Iowa Elementary SchoolD+
Elementary · Grades KG–5 · 0.6 mi
M
Lone Star Middle SchoolD+
Middle · Grades 6–8 · 1.7 mi

District: Nampa School District 131

Neighborhood · ZIP 83686These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.116
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.62

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.63,501
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.700 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$79,338
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,976
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.10 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.64%

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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

505 Mason Ln 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 78% of homes in Nampa 83686
  • Costs more per square foot than 79% of homes in Nampa 83686
  • Smaller than 85% of homes in Nampa 83686
  • Has a bigger lot than 71% of homes in Nampa 83686
  • Older than 88% of homes in Nampa 83686

What homes are worth in Nampa 83686

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

This home
$275K$1.1M

This home is worth more than 22% of homes in Nampa 83686.

How it measures up in Nampa 83686

The dot is this home. The mark in the middle is the typical home in Nampa 83686.

Estimated value$364,114
CheaperTypical $443,259Pricier

Pricier than 22% of homes nearby

Price per ft²$300
CheaperTypical $262Pricier

Pricier than 79% of homes nearby

Living area1,215 ft²
SmallerTypical 1,783 ft²Bigger

Bigger than 15% of homes nearby

Lot size0.31 ac
SmallerTypical 0.21 acBigger

Bigger than 71% of homes nearby

Year built1969
OlderTypical 2001Newer

Newer than 12% of homes nearby

How 505 Mason Ln ranks against every home in each area.
MeasureThis homeNampa 83686Canyon County
Estimated valuepricier than$364,11422% of homes28% of homes
Price per ft²pricier than$30079% of homes75% of homes
Living areabigger than1,215 ft²15% of homes19% of homes
Lot sizebigger than0.31 ac71% of homes69% of homes
Year builtnewer than196912% of homes15% of homes

About 505 Mason Ln

How much is 505 Mason Ln, Nampa, ID worth?

The TopHap Estimate for 505 Mason Ln, Nampa, ID is $364,114 as of Sep 24, 2026. The likely range is $349,185 to $379,043. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 505 Mason Ln, Nampa, ID last sell?

505 Mason Ln, Nampa, ID last sold on May 26, 2017 for $129,400, according to the county's recorded deed.

How big is 505 Mason Ln, Nampa, ID?

505 Mason Ln, Nampa, ID has 2 bedrooms, 1 bathrooms, 1,215 square feet of living space and a 0.31-acre lot.

When was 505 Mason Ln, Nampa, ID built?

505 Mason Ln, Nampa, ID was built in 1969, making it 57 years old. The building has 1 story.

What schools serve 505 Mason Ln, Nampa, ID?

505 Mason Ln, Nampa, ID is assigned to Nampa High School (high), rated D; Iowa Elementary School (elementary), rated D+; Lone Star Middle School (middle), rated D+. All sit in Nampa School District 131. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 505 Mason Ln, Nampa, ID compare to other homes in Nampa 83686?

Among the 20,963 homes in Nampa 83686, it is worth more than 22% of them ($364,114 against a typical $443,259), its price per square foot is higher than 79% of them ($300 against a typical $262), it is bigger than 15% of them (1,215 ft² against a typical 1,783 ft²), its lot is bigger than 71% of them (0.31 ac against a typical 0.21 ac) and it is newer than 12% of them (1969 against a typical 2001). Measured against all of Canyon County, it is worth more than 28% 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 505 Mason Ln, Nampa, ID?

The 2025 property tax bill for 505 Mason Ln, Nampa, ID was $1,133. The county assessed it at $322,600.

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