Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$539,900$263 / 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 98How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

12521 W MARDIA ST

BOISE, ID 83709
3
Beds
2
Baths
2,056 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
2006
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

$540K
$528K low$552K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,060 (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.$456,900 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$452,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$456,900

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyADA
Lot (acres)The size of the land the home sits on, from county records.0.17
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
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.Patio · 164 ft²Porch · 90 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.

E
Lake Hazel Elementary SchoolA
Elementary · Grades KG–5 · 0.6 mi
M
Lake Hazel Middle SchoolA-
Middle · Grades 6–8 · 0.6 mi
H
Mountain View High SchoolA
High · Grades 9–12 · 2.9 mi

District: West Ada School District

Neighborhood · ZIP 83709These 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.79
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.115
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.63

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.5%
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.65,821
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,867 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$87,688
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$109,427
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.12 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.64%

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

12521 W Mardia 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.

  • Costs less per square foot than 72% of homes in Ada County
  • Has a smaller lot than 70% of homes in Boise 83709
  • Newer than 74% of homes in Boise 83709

What homes are worth in Boise 83709

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

This home
$329K$928K

This home is worth more than 63% of homes in Boise 83709.

How it measures up in Boise 83709

The dot is this home. The mark in the middle is the typical home in Boise 83709.

Estimated value$539,900
CheaperTypical $497,552Pricier

Pricier than 63% of homes nearby

Price per ft²$263
CheaperTypical $281Pricier

Pricier than 35% of homes nearby

Living area2,056 ft²
SmallerTypical 1,829 ft²Bigger

Bigger than 63% of homes nearby

Lot size0.16 ac
SmallerTypical 0.21 acBigger

Bigger than 30% of homes nearby

Year built2006
OlderTypical 1999Newer

Newer than 74% of homes nearby

How 12521 W Mardia St ranks against every home in each area.
MeasureThis homeSouthwest AdaBoise 83709Ada County
Estimated valuepricier than$539,90055% of homes63% of homes50% of homes
Price per ft²pricier than$26333% of homes35% of homes28% of homes
Living areabigger than2,056 ft²59% of homes63% of homes56% of homes
Lot sizebigger than0.16 ac34% of homes30% of homes35% of homes
Year builtnewer than200668% of homes74% of homes64% of homes

About 12521 W Mardia St

How much is 12521 W Mardia St, Boise, ID worth?

The TopHap Estimate for 12521 W Mardia St, Boise, ID is $539,900 as of Oct 21, 2026. The likely range is $528,106 to $551,694. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12521 W Mardia St, Boise, ID last sell?

12521 W Mardia St, Boise, ID last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 12521 W Mardia St, Boise, ID?

12521 W Mardia St, Boise, ID has 3 bedrooms, 2 bathrooms, 2,056 square feet of living space and a 0.17-acre lot.

When was 12521 W Mardia St, Boise, ID built?

12521 W Mardia St, Boise, ID was built in 2006, making it 20 years old. The building has 1 story.

What schools serve 12521 W Mardia St, Boise, ID?

12521 W Mardia St, Boise, ID is assigned to Lake Hazel Elementary School (elementary), rated A; Lake Hazel Middle School (middle), rated A-; Mountain View High School (high), rated A. All sit in West Ada School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12521 W Mardia St, Boise, ID compare to other homes in Boise 83709?

Among the 22,165 homes in Boise 83709, it is worth more than 63% of them ($539,900 against a typical $497,552), its price per square foot is higher than 35% of them ($263 against a typical $281), it is bigger than 63% of them (2,056 ft² against a typical 1,829 ft²), its lot is bigger than 30% of them (0.16 ac against a typical 0.21 ac) and it is newer than 74% of them (2006 against a typical 1999). Measured against all of Ada County, it is worth more than 50% 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 12521 W Mardia St, Boise, ID?

The 2025 property tax bill for 12521 W Mardia St, Boise, ID was $1,060. The county assessed it at $456,900.

More homes on W Mardia St

Closest homes

More homes in Boise 83709

Assigned schools

Explore the area

See this home in context

Open 12521 W Mardia 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