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Duplex (2 Units, Any Combination)Residential

621 B ST

ROCK SPRINGS, WY 82901
4
Beds
2
Baths
2,304 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.
0.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,260 (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.$16,849 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$14,949
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$17,029
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$177,355

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountySWEETWATER
Lot (acres)The size of the land the home sits on, from county records.0.12
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.Radiant
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.Deck · 400 ft²Porch · 154 ft²

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

E
Walnut Elementary SchoolC-
Elementary · Grades KG–3 · 0.5 mi
H
Rock Springs High SchoolD+
High · Grades 9–12 · 0.9 mi
M
Rock Springs Junior High SchoolB-
Middle · Grades 7–8 · 2.1 mi

District: Sweetwater County School District 1

Neighborhood · ZIP 82901These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.94

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.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.26,822
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,762
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,803
Average tempThe average temperature here across a full year.42°F
Annual precipHow much rain and melted snow falls here in a typical year.7 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.68%

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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

621 B 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.

  • Bigger than 81% of homes in Rock Springs 82901
  • Has a smaller lot than 87% of homes in Sweetwater County
  • Older than 93% of homes in Sweetwater County

How it measures up in Rock Springs 82901

The dot is this home. The mark in the middle is the typical home in Rock Springs 82901.

Living area2,304 ft²
SmallerTypical 1,570 ft²Bigger

Bigger than 81% of homes nearby

Lot size0.11 ac
SmallerTypical 0.17 acBigger

Bigger than 15% of homes nearby

Year built1920
OlderTypical 1981Newer

Newer than 8% of homes nearby

How 621 B St ranks against every home in each area.
MeasureThis homeRock Springs 82901Sweetwater County
Living areabigger than2,304 ft²81% of homes80% of homes
Lot sizebigger than0.11 ac15% of homes13% of homes
Year builtnewer than19208% of homes7% of homes

About 621 B St

When did 621 B St, Rock Springs, WY last sell?

621 B St, Rock Springs, WY last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 621 B St, Rock Springs, WY?

621 B St, Rock Springs, WY has 4 bedrooms, 2 bathrooms, 2,304 square feet of living space and a 0.12-acre lot.

When was 621 B St, Rock Springs, WY built?

621 B St, Rock Springs, WY was built in 1920, making it 106 years old. It is a duplex single home. The building has 2 stories.

What schools serve 621 B St, Rock Springs, WY?

621 B St, Rock Springs, WY is assigned to Walnut Elementary School (elementary), rated C-; Rock Springs High School (high), rated D+; Rock Springs Junior High School (middle), rated B-. All sit in Sweetwater County School District 1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 621 B St, Rock Springs, WY compare to other homes in Rock Springs 82901?

Among the 10,711 homes in Rock Springs 82901, it is bigger than 81% of them (2,304 ft² against a typical 1,570 ft²), its lot is bigger than 15% of them (0.11 ac against a typical 0.17 ac) and it is newer than 8% of them (1920 against a typical 1981). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 621 B St, Rock Springs, WY?

The 2025 property tax bill for 621 B St, Rock Springs, WY was $1,260. The county assessed it at $16,849.

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