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Single Family ResidenceResidential

421 S 12TH ST

COLLINSVILLE, OK 74021
1
Baths
1,540 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.
0.32 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,456 (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.$13,166 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$936
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$12,230
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$12,754
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$218,600

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.28 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.0.2 percent flood zone

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
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.0.32
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
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.Porch · 443 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.

M
Collinsville Middle SchoolB-
Middle · Grades 7–8 · 0.3 mi
H
Collinsville High SchoolA
High · Grades 9–12 · 1.1 mi
E
Herald Elementary SchoolB-
Elementary · Grades 1–2 · 1.5 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%

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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

421 S 12th 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.

  • Has a bigger lot than 80% of homes in Tulsa County
  • Older than 69% 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.

Living area1,540 ft²
SmallerTypical 1,692 ft²Bigger

Bigger than 37% of homes nearby

Lot size0.32 ac
SmallerTypical 0.5 acBigger

Bigger than 44% of homes nearby

Year built1990
OlderTypical 2001Newer

Newer than 31% of homes nearby

How 421 S 12th St ranks against every home in each area.
MeasureThis homeCollinsville 74021Tulsa County
Living areabigger than1,540 ft²37% of homes45% of homes
Lot sizebigger than0.32 ac44% of homes80% of homes
Year builtnewer than199031% of homes68% of homes

About 421 S 12th St

When did 421 S 12th St, Collinsville, OK last sell?

421 S 12th St, Collinsville, OK last sold on May 5, 2021, according to the county's recorded deed.

How big is 421 S 12th St, Collinsville, OK?

421 S 12th St, Collinsville, OK has 1 bathrooms, 1,540 square feet of living space and a 0.32-acre lot.

When was 421 S 12th St, Collinsville, OK built?

421 S 12th St, Collinsville, OK was built in 1990, making it 36 years old. It is a ranch home. The building has 1 story.

What schools serve 421 S 12th St, Collinsville, OK?

421 S 12th St, Collinsville, OK is assigned to Collinsville Middle School (middle), rated B-; Collinsville High School (high), rated A; Herald Elementary School (elementary), rated B-. All sit in Collinsville Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 S 12th St, Collinsville, OK compare to other homes in Collinsville 74021?

Among the 8,529 homes in Collinsville 74021, it is bigger than 37% of them (1,540 ft² against a typical 1,692 ft²), its lot is bigger than 44% of them (0.32 ac against a typical 0.5 ac) and it is newer than 31% of them (1990 against a typical 2001). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 421 S 12th St, Collinsville, OK?

The 2025 property tax bill for 421 S 12th St, Collinsville, OK was $1,456. The county assessed it at $13,166.

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