Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$298,116$202 / 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 96How 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 $277,500 on May 12, 2021

4645 W KNOLLSIDE ST

TUCSON, AZ 85741
2
Baths
1,477 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.
3,708 ft²
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
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.

Valuation

$298K
$287K low$309K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$277,500 · May 12, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,438 (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.$26,335 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$25,178
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$263,345

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.43
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
81
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
94
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.0.09
RoofThe main material covering the roof, such as asphalt shingle or tile.Tile
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Refrigerator
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(12)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

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

E
Quail Run Elementary SchoolA-
Elementary · Grades EE–6 · 0.6 mi
M
Tortolita Middle SchoolC-
Middle · Grades 7–8 · 1.0 mi
H
Mountain View High SchoolB-
High · Grades 9–12 · 2.1 mi

District: Marana Unified District

Neighborhood · ZIP 85741These 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.77
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.109
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.67

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.5%
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.36,252
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,569 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$71,326
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$86,923
Average tempThe average temperature here across a full year.69°F
Annual precipHow much rain and melted snow falls here in a typical year.11 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

4645 W Knollside 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 71% of homes in Tucson 85741
  • Costs less per square foot than 65% of homes in Tucson 85741
  • Has a smaller lot than 95% of homes in Tucson 85741
  • Newer than 70% of homes in Tucson 85741

What homes are worth in Tucson 85741

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

This home
$235K$533K

This home is worth more than 29% of homes in Tucson 85741.

How it measures up in Tucson 85741

The dot is this home. The mark in the middle is the typical home in Tucson 85741.

Estimated value$298,116
CheaperTypical $319,397Pricier

Pricier than 29% of homes nearby

Price per ft²$202
CheaperTypical $213Pricier

Pricier than 35% of homes nearby

Living area1,477 ft²
SmallerTypical 1,511 ft²Bigger

Bigger than 47% of homes nearby

Lot size3,708 ft²
SmallerTypical 0.19 acBigger

Bigger than 5% of homes nearby

Year built1991
OlderTypical 1983Newer

Newer than 70% of homes nearby

How 4645 W Knollside St ranks against every home in each area.
MeasureThis homeTucson 85741Pima County
Estimated valuepricier than$298,11629% of homes35% of homes
Price per ft²pricier than$20235% of homes42% of homes
Living areabigger than1,477 ft²47% of homes39% of homes
Lot sizebigger than3,708 ft²5% of homes8% of homes
Year builtnewer than199170% of homes53% of homes

About 4645 W Knollside St

How much is 4645 W Knollside St, Tucson, AZ worth?

The TopHap Estimate for 4645 W Knollside St, Tucson, AZ is $298,116 as of Sep 24, 2026. The likely range is $287,129 to $309,103. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4645 W Knollside St, Tucson, AZ last sell?

4645 W Knollside St, Tucson, AZ last sold on May 12, 2021 for $277,500, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 4645 W Knollside St, Tucson, AZ?

4645 W Knollside St, Tucson, AZ has 2 bathrooms, 1,477 square feet of living space and a 0.09-acre lot.

When was 4645 W Knollside St, Tucson, AZ built?

4645 W Knollside St, Tucson, AZ was built in 1991, making it 35 years old. The building has 1 story.

What schools serve 4645 W Knollside St, Tucson, AZ?

4645 W Knollside St, Tucson, AZ is assigned to Quail Run Elementary School (elementary), rated A-; Tortolita Middle School (middle), rated C-; Mountain View High School (high), rated B-. All sit in Marana Unified District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4645 W Knollside St, Tucson, AZ compare to other homes in Tucson 85741?

Among the 10,748 homes in Tucson 85741, it is worth more than 29% of them ($298,116 against a typical $319,397), its price per square foot is higher than 35% of them ($202 against a typical $213), it is bigger than 47% of them (1,477 ft² against a typical 1,511 ft²), its lot is bigger than 5% of them (3,708 ft² against a typical 0.19 ac) and it is newer than 70% of them (1991 against a typical 1983). Measured against all of Pima County, it is worth more than 35% 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 4645 W Knollside St, Tucson, AZ?

The 2025 property tax bill for 4645 W Knollside St, Tucson, AZ was $2,438. The county assessed it at $26,335.

More homes on W Knollside St

Closest homes

More homes in Tucson 85741

Assigned schools

Explore the area

See this home in context

Open 4645 W Knollside 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