Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$162,240$106 / 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 Jul 14, 2026

509 S UNION AVE

ROSWELL, NM 88203
1
Baths
1,531 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.
1
StoriesHow many floors the home has above ground.

Valuation

$162K
$151K low$174K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$162,240
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$129,792

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$585 (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.$22,357 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,264
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$21,093
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$21,706
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$67,071

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCHAVES
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.Metal
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 · 185 ft²

Transaction History(2)

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 SchoolB
Elementary · Grades PK–5 · 0.3 mi
H
Roswell High SchoolD+
High · Grades 9–12 · 1.2 mi
M
Mesa Middle SchoolC-
Middle · Grades 6–8 · 2.0 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.No

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

509 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.

  • Bigger than 70% 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
$42K$383K

This home is worth more than 62% 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$162,240
CheaperTypical $141,269Pricier

Pricier than 62% of homes nearby

Price per ft²$106
CheaperTypical $107Pricier

Pricier than 48% of homes nearby

Living area1,531 ft²
SmallerTypical 1,288 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.19 ac
SmallerTypical 0.18 acBigger

Bigger than 62% of homes nearby

How 509 S Union Ave ranks against every home in each area.
MeasureThis homeRoswell 88203Chaves County
Estimated valuepricier than$162,24062% of homes48% of homes
Price per ft²pricier than$10648% of homes38% of homes
Living areabigger than1,531 ft²70% of homes59% of homes
Lot sizebigger than0.19 ac62% of homes47% of homes

About 509 S Union Ave

How much is 509 S Union Ave, Roswell, NM worth?

The TopHap Estimate for 509 S Union Ave, Roswell, NM is $162,240 as of Jul 14, 2026. The likely range is $150,963 to $173,517. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 S Union Ave, Roswell, NM last sell?

509 S Union Ave, Roswell, NM last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 509 S Union Ave, Roswell, NM?

509 S Union Ave, Roswell, NM has 1 bathrooms, 1,531 square feet of living space and a 0.19-acre lot.

What schools serve 509 S Union Ave, Roswell, NM?

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

How does 509 S Union Ave, Roswell, NM compare to other homes in Roswell 88203?

Among the 10,965 homes in Roswell 88203, it is worth more than 62% of them ($162,240 against a typical $141,269), its price per square foot is higher than 48% of them ($106 against a typical $107), it is bigger than 70% of them (1,531 ft² against a typical 1,288 ft²) and its lot is bigger than 62% of them (0.19 ac against a typical 0.18 ac). Measured against all of Chaves County, it is worth more than 48% 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 509 S Union Ave, Roswell, NM?

The 2026 property tax bill for 509 S Union Ave, Roswell, NM was $585. The county assessed it at $22,357.

Closest homes

More homes in Roswell 88203

Assigned schools

Explore the area

See this home in context

Open 509 S Union Ave 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