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Single Family ResidenceResidential
$229,488$158 / 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 95How 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
Last sold for $213,216 on Dec 18, 2023

601 MASSACHUSETTS AVE

ROCK SPRINGS, WY 82901
2
Beds
2
Baths
1,449 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1889
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$229K
$218K low$241K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$213,216 · Dec 18, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,080 (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.$19,767 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$2,375
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$17,392
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$14,595
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$208,081

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

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
CountySWEETWATER
Lot (acres)The size of the land the home sits on, from county records.0.15
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 · 63 ft²Shed · 216 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.

E
Walnut Elementary SchoolC-
Elementary · Grades KG–3 · 0.7 mi
H
Rock Springs High SchoolD+
High · Grades 9–12 · 0.7 mi
M
Rock Springs Junior High SchoolB-
Middle · Grades 7–8 · 2.3 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

601 Massachusetts Ave 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 76% of homes in Rock Springs 82901
  • Has a smaller lot than 70% of homes in Sweetwater County
  • Among the oldest homes in Rock Springs 82901

What homes are worth in Rock Springs 82901

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

This home
$119K$716K

This home is worth more than 24% of homes in Rock Springs 82901.

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.

Estimated value$229,488
CheaperTypical $311,938Pricier

Pricier than 24% of homes nearby

Price per ft²$158
CheaperTypical $169Pricier

Pricier than 40% of homes nearby

Living area1,449 ft²
SmallerTypical 1,570 ft²Bigger

Bigger than 41% of homes nearby

Lot size0.15 ac
SmallerTypical 0.17 acBigger

Bigger than 35% of homes nearby

Year built1889
OlderTypical 1981Newer

Older than almost all homes nearby

How 601 Massachusetts Ave ranks against every home in each area.
MeasureThis homeRock Springs 82901Sweetwater County
Estimated valuepricier than$229,48824% of homes24% of homes
Price per ft²pricier than$15840% of homes43% of homes
Living areabigger than1,449 ft²41% of homes42% of homes
Lot sizebigger than0.15 ac35% of homes30% of homes
Year builtnewer than1889almost no homesalmost no homes

About 601 Massachusetts Ave

How much is 601 Massachusetts Ave, Rock Springs, WY worth?

The TopHap Estimate for 601 Massachusetts Ave, Rock Springs, WY is $229,488 as of Sep 24, 2026. The likely range is $218,198 to $240,778. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 601 Massachusetts Ave, Rock Springs, WY last sell?

601 Massachusetts Ave, Rock Springs, WY last sold on Dec 18, 2023 for $213,216, according to the county's recorded deed.

How big is 601 Massachusetts Ave, Rock Springs, WY?

601 Massachusetts Ave, Rock Springs, WY has 2 bedrooms, 2 bathrooms, 1,449 square feet of living space and a 0.15-acre lot.

When was 601 Massachusetts Ave, Rock Springs, WY built?

601 Massachusetts Ave, Rock Springs, WY was built in 1889, making it 137 years old. It is a ranch home. The building has 1 story.

What schools serve 601 Massachusetts Ave, Rock Springs, WY?

601 Massachusetts Ave, 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 601 Massachusetts Ave, Rock Springs, WY compare to other homes in Rock Springs 82901?

Among the 10,711 homes in Rock Springs 82901, it is worth more than 24% of them ($229,488 against a typical $311,938), its price per square foot is higher than 40% of them ($158 against a typical $169), it is bigger than 41% of them (1,449 ft² against a typical 1,570 ft²), its lot is bigger than 35% of them (0.15 ac against a typical 0.17 ac) and it is newer than almost none of them (1889 against a typical 1981). Measured against all of Sweetwater County, it is worth more than 24% 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 601 Massachusetts Ave, Rock Springs, WY?

The 2025 property tax bill for 601 Massachusetts Ave, Rock Springs, WY was $1,080. The county assessed it at $19,767.

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