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Single Family ResidenceResidential
$155,932$228 / 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 94How 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

821 OSLO LN

DALLAS, TX 75217
2
Beds
1
Baths
684 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1951
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

$156K
$147K low$165K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,224 (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.$152,290 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$50,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$102,290
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$152,290
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$152,290

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDALLAS
Lot (acres)The size of the land the home sits on, from county records.0.23
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.Gas
CoolingThe type of cooling or air conditioning in the home.Window A/C
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

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.

H
H. Grady Spruce High SchoolD-
High · Grades 9–12 · 0.9 mi
E
Nancy Moseley Elementary SchoolB-
Elementary · Grades EE–5 · 1.5 mi
M
Young Women's STEAM Academy at Balch Springs Middle SchoolC+
Middle · Grades 6–8 · 2.4 mi

District: Dallas Independent School District

Neighborhood · ZIP 75217These 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.70
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.21

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.5.1%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.22%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.82,511
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,051 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$51,779
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$62,260
Average tempThe average temperature here across a full year.66°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.62%

Owner Tools

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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

821 Oslo 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 97% of homes in Rylie
  • Costs more per square foot than 95% of homes in Dallas 75217
  • Among the smallest homes in Dallas 75217
  • Has a bigger lot than 73% of homes in Dallas 75217
  • Older than 87% of homes in Dallas County

What homes are worth in Dallas 75217

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

This home
$125K$327K

This home is worth more than 7% of homes in Dallas 75217.

How it measures up in Dallas 75217

The dot is this home. The mark in the middle is the typical home in Dallas 75217.

Estimated value$155,932
CheaperTypical $216,766Pricier

Pricier than 7% of homes nearby

Price per ft²$228
CheaperTypical $173Pricier

Pricier than 95% of homes nearby

Living area684 ft²
SmallerTypical 1,260 ft²Bigger

Smaller than almost all homes nearby

Lot size0.23 ac
SmallerTypical 0.18 acBigger

Bigger than 73% of homes nearby

Year built1951
OlderTypical 1960Newer

Newer than 21% of homes nearby

How 821 Oslo Ln ranks against every home in each area.
MeasureThis homeRylieDallas 75217Dallas County
Estimated valuepricier than$155,9323% of homes7% of homes4% of homes
Price per ft²pricier than$22894% of homes95% of homes71% of homes
Living areabigger than684 ft²4% of homesalmost no homesalmost no homes
Lot sizebigger than0.23 ac61% of homes73% of homes68% of homes
Year builtnewer than195117% of homes21% of homes13% of homes

About 821 Oslo Ln

How much is 821 Oslo Ln, Dallas, TX worth?

The TopHap Estimate for 821 Oslo Ln, Dallas, TX is $155,932 as of Sep 24, 2026. The likely range is $146,599 to $165,265. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 821 Oslo Ln, Dallas, TX last sell?

821 Oslo Ln, Dallas, TX last sold on Jun 30, 2010, according to the county's recorded deed.

How big is 821 Oslo Ln, Dallas, TX?

821 Oslo Ln, Dallas, TX has 2 bedrooms, 1 bathrooms, 684 square feet of living space and a 0.23-acre lot.

When was 821 Oslo Ln, Dallas, TX built?

821 Oslo Ln, Dallas, TX was built in 1951, making it 75 years old. The building has 1 story.

What schools serve 821 Oslo Ln, Dallas, TX?

821 Oslo Ln, Dallas, TX is assigned to H. Grady Spruce High School (high), rated D-; Nancy Moseley Elementary School (elementary), rated B-; Young Women's STEAM Academy at Balch Springs Middle School (middle), rated C+. All sit in Dallas Independent School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 821 Oslo Ln, Dallas, TX compare to other homes in Dallas 75217?

Among the 20,379 homes in Dallas 75217, it is worth more than 7% of them ($155,932 against a typical $216,766), its price per square foot is higher than 95% of them ($228 against a typical $173), it is bigger than almost none of them (684 ft² against a typical 1,260 ft²), its lot is bigger than 73% of them (0.23 ac against a typical 0.18 ac) and it is newer than 21% of them (1951 against a typical 1960). Measured against all of Dallas County, it is worth more than 4% 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 821 Oslo Ln, Dallas, TX?

The 2025 property tax bill for 821 Oslo Ln, Dallas, TX was $3,224. The county assessed it at $152,290.

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