Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$152,535$236 / 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 83How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $275,000 on Sep 15, 2020

18 W 31ST ST

TUCSON, AZ 85713
1
Baths
647 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.
1,779 ft²
Lot SizeThe size of the land the home sits on, from county records.
1935
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

$153K
$126K low$179K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$275,000 · Sep 15, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$679 (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.$4,805 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$4,576
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$146,145

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.27
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
96
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
6
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
35
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyPIMA
Lot (acres)The size of the land the home sits on, from county records.0.04
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Wall Unit
GarageWhether the property has a garage, and details like whether it is attached to the home.No Garage
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Ochoa Elementary SchoolA-
Elementary · Grades PK–5 · 0.4 mi
M
Safford Engineering/Technology Magnet Middle SchoolC
Middle · Grades PK–8 · 1.4 mi
H
Tucson Magnet High SchoolC
High · Grades 8–12 · 2.1 mi

District: Tucson Unified District

Neighborhood · ZIP 85713These 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.122
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.66

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.90%
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.20%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.48,246
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,542 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$44,782
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$58,477
Average tempThe average temperature here across a full year.68°F
Annual precipHow much rain and melted snow falls here in a typical year.12 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.85%

Owner Tools

Do you own this home?
Claim this home

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

18 W 31st 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.

  • Worth less than 98% of homes in Pima County
  • Costs more per square foot than 89% of homes in Tucson 85713
  • Smaller than 97% of homes in Pima County
  • Among the smallest lots in Tucson 85713
  • Among the oldest homes in Tucson 85713

What homes are worth in Tucson 85713

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

This home
$130K$481K

This home is worth more than 6% of homes in Tucson 85713.

How it measures up in Tucson 85713

The dot is this home. The mark in the middle is the typical home in Tucson 85713.

Estimated value$152,535
CheaperTypical $221,607Pricier

Pricier than 6% of homes nearby

Price per ft²$236
CheaperTypical $186Pricier

Pricier than 89% of homes nearby

Living area647 ft²
SmallerTypical 1,232 ft²Bigger

Bigger than 6% of homes nearby

Lot size1,779 ft²
SmallerTypical 0.17 acBigger

Smaller than almost all homes nearby

Year built1935
OlderTypical 1972Newer

Older than almost all homes nearby

How 18 W 31st St ranks against every home in each area.
MeasureThis homeSouth TucsonTucson 85713Pima County
Estimated valuepricier than$152,53516% of homes6% of homes2% of homes
Price per ft²pricier than$23686% of homes89% of homes67% of homes
Living areabigger than647 ft²9% of homes6% of homes3% of homes
Lot sizebigger than1,779 ft²5% of homesalmost no homes4% of homes
Year builtnewer than19355% of homesalmost no homesalmost no homes

About 18 W 31st St

How much is 18 W 31st St, Tucson, AZ worth?

The TopHap Estimate for 18 W 31st St, Tucson, AZ is $152,535 as of Aug 30, 2026. The likely range is $126,039 to $179,031. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 W 31st St, Tucson, AZ last sell?

18 W 31st St, Tucson, AZ last sold on Sep 15, 2020 for $275,000, according to the county's recorded deed.

How big is 18 W 31st St, Tucson, AZ?

18 W 31st St, Tucson, AZ has 1 bathrooms, 647 square feet of living space and a 0.04-acre lot.

When was 18 W 31st St, Tucson, AZ built?

18 W 31st St, Tucson, AZ was built in 1935, making it 91 years old. The building has 1 story.

What schools serve 18 W 31st St, Tucson, AZ?

18 W 31st St, Tucson, AZ is assigned to Ochoa Elementary School (elementary), rated A-; Safford Engineering/Technology Magnet Middle School (middle), rated C; Tucson Magnet High School (high), rated C. All sit in Tucson Unified District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 W 31st St, Tucson, AZ compare to other homes in Tucson 85713?

Among the 13,813 homes in Tucson 85713, it is worth more than 6% of them ($152,535 against a typical $221,607), its price per square foot is higher than 89% of them ($236 against a typical $186), it is bigger than 6% of them (647 ft² against a typical 1,232 ft²), its lot is bigger than almost none of them (1,779 ft² against a typical 0.17 ac) and it is newer than almost none of them (1935 against a typical 1972). Measured against all of Pima County, it is worth more than 2% 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 18 W 31st St, Tucson, AZ?

The 2025 property tax bill for 18 W 31st St, Tucson, AZ was $679. The county assessed it at $4,805.

More homes on W 31st St

Closest homes

More homes in Tucson 85713

Assigned schools

Explore the area

See this home in context

Open 18 W 31st St 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