Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$198,500$122 / 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 93How 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

529 S 21ST ST

COLLINSVILLE, OK 74021
1
Baths
1,625 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.
0.33 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$199K
$184K low$213K high

Tax & Assessment

Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$196,600

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.Ranch
CountyTulsa
Lot (acres)The size of the land the home sits on, from county records.0.33
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Closed Piers
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, Detached
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 · 1,590 ft²Porch · 52 ft²

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

M
Collinsville Middle SchoolB
Middle · Grades 7–8 · 0.5 mi
H
Collinsville High SchoolB+
High · Grades 9–12 · 0.7 mi
E
Herald Elementary SchoolA
Elementary · Grades 1–2 · 1.7 mi

District: Collinsville Public Schools

Neighborhood · ZIP 74021These 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.55
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.33

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.6%
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.21,984
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.321 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$83,446
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,133
Average tempThe average temperature here across a full year.60°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.62%

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

529 S 21st 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 85% of homes in Collinsville 74021
  • Costs less per square foot than 94% of homes in Collinsville 74021
  • Has a bigger lot than 80% of homes in Tulsa County
  • Older than 89% of homes in Collinsville 74021

What homes are worth in Collinsville 74021

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

This home
$111K$597K

This home is worth more than 15% of homes in Collinsville 74021.

How it measures up in Collinsville 74021

The dot is this home. The mark in the middle is the typical home in Collinsville 74021.

Estimated value$198,500
CheaperTypical $273,077Pricier

Pricier than 15% of homes nearby

Price per ft²$122
CheaperTypical $166Pricier

Pricier than 6% of homes nearby

Living area1,625 ft²
SmallerTypical 1,698 ft²Bigger

Bigger than 44% of homes nearby

Lot size0.33 ac
SmallerTypical 0.5 acBigger

Bigger than 45% of homes nearby

Year built1956
OlderTypical 2001Newer

Newer than 11% of homes nearby

How 529 S 21st St ranks against every home in each area.
MeasureThis homeCollinsville 74021Tulsa County
Estimated valuepricier than$198,50015% of homes36% of homes
Price per ft²pricier than$1226% of homes26% of homes
Living areabigger than1,625 ft²44% of homes49% of homes
Lot sizebigger than0.33 ac45% of homes80% of homes
Year builtnewer than195611% of homes27% of homes

About 529 S 21st St

How much is 529 S 21st St, Collinsville, OK worth?

The TopHap Estimate for 529 S 21st St, Collinsville, OK is $198,500 as of Oct 21, 2026. The likely range is $184,354 to $212,646. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 529 S 21st St, Collinsville, OK last sell?

529 S 21st St, Collinsville, OK last sold on Jan 23, 2014, according to the county's recorded deed.

How big is 529 S 21st St, Collinsville, OK?

529 S 21st St, Collinsville, OK has 1 bathrooms, 1,625 square feet of living space and a 0.33-acre lot.

When was 529 S 21st St, Collinsville, OK built?

529 S 21st St, Collinsville, OK was built in 1956, making it 70 years old. It is a ranch home. The building has 1 story.

What schools serve 529 S 21st St, Collinsville, OK?

529 S 21st St, Collinsville, OK is assigned to Collinsville Middle School (middle), rated B; Collinsville High School (high), rated B+; Herald Elementary School (elementary), rated A. All sit in Collinsville Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 529 S 21st St, Collinsville, OK compare to other homes in Collinsville 74021?

Among the 8,521 homes in Collinsville 74021, it is worth more than 15% of them ($198,500 against a typical $273,077), its price per square foot is higher than 6% of them ($122 against a typical $166), it is bigger than 44% of them (1,625 ft² against a typical 1,698 ft²), its lot is bigger than 45% of them (0.33 ac against a typical 0.5 ac) and it is newer than 11% of them (1956 against a typical 2001). Measured against all of Tulsa County, it is worth more than 36% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on S 21st St

Closest homes

More homes in Collinsville 74021

Assigned schools

Explore the area

See this home in context

Open 529 S 21st 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