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Single Family ResidenceResidential
$558,797$313 / 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 Jul 14, 2026
Last sold for $196,000 on Sep 8, 1989

17515 SAINT THERESA DR

OLNEY, MD 20832
2.5
Baths
1,784 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$559K
$540K low$577K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$196,000 · Sep 8, 1989
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$323,797
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$259,038
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.41%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$176,000
MID ATLANTIC FEDERAL CREDIT UNION · recorded Apr 19, 2010
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$59,000
NATIONAL INSTITUTES OF HEALTH FCU

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,709 (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.$544,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$244,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$299,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$509,567
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$544,400

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.Bi-Level
CountyMONTGOMERY
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.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.Deck · 120 ft²Porch · 104 ft²

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

M
William H. Farquhar Middle SchoolB
Middle · Grades 6–8 · 1.1 mi
E
Sherwood Elementary SchoolA-
Elementary · Grades KG–5 · 1.6 mi
H
James Hubert Blake High SchoolB-
High · Grades 9–12 · 3.1 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20832These 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.48
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.35

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.24,644
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,442 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$162,184
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$179,554
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.44 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

17515 Saint Theresa Dr 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 68% of homes in Olney 20832
  • Costs more per square foot than 65% of homes in Olney 20832
  • Smaller than 66% of homes in Olney 20832
  • Newer than 66% of homes in Montgomery County

What homes are worth in Olney 20832

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

This home
$244K$1.3M

This home is worth more than 32% of homes in Olney 20832.

How it measures up in Olney 20832

The dot is this home. The mark in the middle is the typical home in Olney 20832.

Estimated value$558,797
CheaperTypical $684,474Pricier

Pricier than 32% of homes nearby

Price per ft²$313
CheaperTypical $293Pricier

Pricier than 65% of homes nearby

Living area1,784 ft²
SmallerTypical 2,260 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.17 ac
SmallerTypical 0.23 acBigger

Bigger than 41% of homes nearby

Year built1986
OlderTypical 1986Newer

Newer than 52% of homes nearby

How 17515 Saint Theresa Dr ranks against every home in each area.
MeasureThis homeOlney 20832Montgomery County
Estimated valuepricier than$558,79732% of homes40% of homes
Price per ft²pricier than$31365% of homes53% of homes
Living areabigger than1,784 ft²34% of homes41% of homes
Lot sizebigger than0.17 ac41% of homes53% of homes
Year builtnewer than198652% of homes66% of homes

About 17515 Saint Theresa Dr

How much is 17515 Saint Theresa Dr, Olney, MD worth?

The TopHap Estimate for 17515 Saint Theresa Dr, Olney, MD is $558,797 as of Jul 14, 2026. The likely range is $540,364 to $577,230. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17515 Saint Theresa Dr, Olney, MD last sell?

17515 Saint Theresa Dr, Olney, MD last sold on Sep 8, 1989 for $196,000, according to the county's recorded deed.

How big is 17515 Saint Theresa Dr, Olney, MD?

17515 Saint Theresa Dr, Olney, MD has 2.5 bathrooms, 1,784 square feet of living space and a 0.17-acre lot.

When was 17515 Saint Theresa Dr, Olney, MD built?

17515 Saint Theresa Dr, Olney, MD was built in 1986, making it 40 years old. It is a bi-level home. The building has 2 stories.

What schools serve 17515 Saint Theresa Dr, Olney, MD?

17515 Saint Theresa Dr, Olney, MD is assigned to William H. Farquhar Middle School (middle), rated B; Sherwood Elementary School (elementary), rated A-; James Hubert Blake High School (high), rated B-. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17515 Saint Theresa Dr, Olney, MD compare to other homes in Olney 20832?

Among the 8,619 homes in Olney 20832, it is worth more than 32% of them ($558,797 against a typical $684,474), its price per square foot is higher than 65% of them ($313 against a typical $293), it is bigger than 34% of them (1,784 ft² against a typical 2,260 ft²), its lot is bigger than 41% of them (0.17 ac against a typical 0.23 ac) and it is newer than 52% of them (1986 against a typical 1986). Measured against all of Montgomery County, it is worth more than 40% 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 17515 Saint Theresa Dr, Olney, MD?

The 2025 property tax bill for 17515 Saint Theresa Dr, Olney, MD was $5,709. The county assessed it at $544,400.

Closest homes

More homes in Olney 20832

Assigned schools

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