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Single Family ResidenceResidential
$675,129$278 / 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 $315,448 on Dec 29, 2010

434 MAZZINI ST

ERIE, CO 80516
5
Beds
4
Baths
2,430 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
2010
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$675K
$648K low$702K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$315,448 · Dec 29, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,105 (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.$39,040 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,570
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$30,470
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$39,870
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$637,864

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.Bi-Level
CountyWELD
Lot (acres)The size of the land the home sits on, from county records.0.14
ConstructionThe main material the home's frame and walls are built from.Wood (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 426 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.

M
Erie Middle SchoolB-
Middle · Grades 6–8 · 1.0 mi
E
Red Hawk Elementary SchoolB+
Elementary · Grades PK–5 · 1.1 mi
H
Erie High SchoolA
High · Grades 9–12 · 1.8 mi

District: St. Vrain Valley School District Re 1j

Neighborhood · ZIP 80516These 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.37
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.46

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.7%
PopulationHow many people live in this area.35,833
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.893 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$147,807
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$169,660
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.13 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.69%

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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

434 Mazzini 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 more than 83% of homes in Weld County
  • Costs less per square foot than 72% of homes in Erie Commons
  • Bigger than 81% of homes in Weld County
  • Has a smaller lot than 77% of homes in Weld County
  • Newer than 69% of homes in Weld County

What homes are worth in Erie 80516

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

This home
$325K$1.5M

This home is worth more than 38% of homes in Erie 80516.

How it measures up in Erie 80516

The dot is this home. The mark in the middle is the typical home in Erie 80516.

Estimated value$675,129
CheaperTypical $726,505Pricier

Pricier than 38% of homes nearby

Price per ft²$278
CheaperTypical $301Pricier

Pricier than 34% of homes nearby

Living area2,430 ft²
SmallerTypical 2,393 ft²Bigger

Bigger than 52% of homes nearby

Lot size0.14 ac
SmallerTypical 0.16 acBigger

Bigger than 32% of homes nearby

Year built2010
OlderTypical 2009Newer

Newer than 51% of homes nearby

How 434 Mazzini St ranks against every home in each area.
MeasureThis homeErie CommonsErie 80516Weld County
Estimated valuepricier than$675,12939% of homes38% of homes83% of homes
Price per ft²pricier than$27828% of homes34% of homes48% of homes
Living areabigger than2,430 ft²62% of homes52% of homes81% of homes
Lot sizebigger than0.14 ac61% of homes32% of homes23% of homes
Year builtnewer than201051% of homes51% of homes69% of homes

About 434 Mazzini St

How much is 434 Mazzini St, Erie, CO worth?

The TopHap Estimate for 434 Mazzini St, Erie, CO is $675,129 as of Sep 24, 2026. The likely range is $648,057 to $702,201. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 434 Mazzini St, Erie, CO last sell?

434 Mazzini St, Erie, CO last sold on Dec 29, 2010 for $315,448, according to the county's recorded deed.

How big is 434 Mazzini St, Erie, CO?

434 Mazzini St, Erie, CO has 5 bedrooms, 4 bathrooms, 2,430 square feet of living space and a 0.14-acre lot.

When was 434 Mazzini St, Erie, CO built?

434 Mazzini St, Erie, CO was built in 2010, making it 16 years old. It is a bi-level home. The building has 2 stories.

What schools serve 434 Mazzini St, Erie, CO?

434 Mazzini St, Erie, CO is assigned to Erie Middle School (middle), rated B-; Red Hawk Elementary School (elementary), rated B+; Erie High School (high), rated A. All sit in St. Vrain Valley School District Re 1j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 434 Mazzini St, Erie, CO compare to other homes in Erie 80516?

Among the 14,831 homes in Erie 80516, it is worth more than 38% of them ($675,129 against a typical $726,505), its price per square foot is higher than 34% of them ($278 against a typical $301), it is bigger than 52% of them (2,430 ft² against a typical 2,393 ft²), its lot is bigger than 32% of them (0.14 ac against a typical 0.16 ac) and it is newer than 51% of them (2010 against a typical 2009). Measured against all of Weld County, it is worth more than 83% 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 434 Mazzini St, Erie, CO?

The 2025 property tax bill for 434 Mazzini St, Erie, CO was $7,105. The county assessed it at $39,040.

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