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Single Family ResidenceResidential
$101,426$170 / 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 76How 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

100 S UNION AVE

ROSWELL, NM 88203
1
Baths
595 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1945
Year BuiltThe year the home was originally built, according to county records.

Valuation

$101K
$77K low$126K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$440 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$16,814 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$12,614
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$16,324
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$50,441

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.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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
CountyCHAVES
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1985
Lot (acres)The size of the land the home sits on, from county records.0.19
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
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.

E
Missouri Avenue Elementary SchoolC+
Elementary · Grades PK–5 · 0.6 mi
M
Mesa Middle SchoolD
Middle · Grades 6–8 · 2.1 mi
H
Goddard High SchoolC+
High · Grades 9–12 · 2.6 mi

District: Roswell Independent Schools

Neighborhood · ZIP 88203These 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.112
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.25

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.7.1%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.25%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.28,868
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.56 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$40,424
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$56,666
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.16 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.74%

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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

100 S Union 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 Chaves County
  • Costs more per square foot than 97% of homes in Roswell 88203
  • Smaller than 97% of homes in Roswell 88203
  • Older than 93% of homes in Roswell 88203

What homes are worth in Roswell 88203

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

This home
$39K$398K

This home is worth more than 30% of homes in Roswell 88203.

How it measures up in Roswell 88203

The dot is this home. The mark in the middle is the typical home in Roswell 88203.

Estimated value$101,426
CheaperTypical $131,584Pricier

Pricier than 30% of homes nearby

Price per ft²$170
CheaperTypical $100Pricier

Pricier than 97% of homes nearby

Living area595 ft²
SmallerTypical 1,291 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.19 ac
SmallerTypical 0.18 acBigger

Bigger than 59% of homes nearby

Year built1945
OlderTypical 1959Newer

Newer than 7% of homes nearby

How 100 S Union Ave ranks against every home in each area.
MeasureThis homeRoswell 88203Chaves County
Estimated valuepricier than$101,42630% of homes24% of homes
Price per ft²pricier than$17097% of homes91% of homes
Living areabigger than595 ft²3% of homes3% of homes
Lot sizebigger than0.19 ac59% of homes45% of homes
Year builtnewer than19457% of homes7% of homes

About 100 S Union Ave

How much is 100 S Union Ave, Roswell, NM worth?

The TopHap Estimate for 100 S Union Ave, Roswell, NM is $101,426 as of Oct 21, 2026. The likely range is $76,582 to $126,270. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 S Union Ave, Roswell, NM last sell?

100 S Union Ave, Roswell, NM last sold on Jan 4, 2022, according to the county's recorded deed.

How big is 100 S Union Ave, Roswell, NM?

100 S Union Ave, Roswell, NM has 1 bathrooms, 595 square feet of living space and a 0.19-acre lot.

When was 100 S Union Ave, Roswell, NM built?

100 S Union Ave, Roswell, NM was built in 1945, making it 81 years old.

What schools serve 100 S Union Ave, Roswell, NM?

100 S Union Ave, Roswell, NM is assigned to Missouri Avenue Elementary School (elementary), rated C+; Mesa Middle School (middle), rated D; Goddard High School (high), rated C+. All sit in Roswell Independent Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 S Union Ave, Roswell, NM compare to other homes in Roswell 88203?

Among the 10,964 homes in Roswell 88203, it is worth more than 30% of them ($101,426 against a typical $131,584), its price per square foot is higher than 97% of them ($170 against a typical $100), it is bigger than 3% of them (595 ft² against a typical 1,291 ft²), its lot is bigger than 59% of them (0.19 ac against a typical 0.18 ac) and it is newer than 7% of them (1945 against a typical 1959). Measured against all of Chaves 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 100 S Union Ave, Roswell, NM?

The 2026 property tax bill for 100 S Union Ave, Roswell, NM was $440. The county assessed it at $16,814.

More homes on S Union Ave

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Assigned schools

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