20521 E Union Ave, Aurora, CO 80015 Property Records

Arapahoe County property record for 20521 E Union Ave, Aurora, CO 80015

Property Summary

Property Type	Single Family Home
Details	3 bd · 3.5 ba · 2,170 sqft · built 2001
Lot Size	0.12 acres (5,227 sqft)
Owner	2 Individual Names on File
Last Sale	$271,660 (Jul 2001)
Tax Bill	$4,351 (2025)
Deeds & Mortgages	Mar 2020 Line of Credit Mar 2018 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`2073-11-3-17-009`

Property Details

APN / Parcel Number

Primary APN	`2073-11-3-17-009`
Alternative APNs	`034089675` `34089675` `089675`

Interior

Bedrooms	3 Beds
Full Baths	3.5 Baths
Half Baths	1 Half Bath
Stories	2 Stories
Building Area	2,170 sqft Living Area
Gross Area	3,780 sqft
1st Floor Area	1,112 sqft
2nd Floor Area	1,058 sqft
Basement Area	1,062 sqft
Interior Walls	Wallboard/Drywall
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 2001
Effective Year Built	Effective 2001
Architectural Style	Bi-Level
Exterior Material	Wood Siding
Construction Type	Frame
Foundation Type	Concrete
Roof Type	Gable/Hip
Roof Material	Concrete
Lot Area	5,227 sqft (0.12 acres)
View / Lot	Neighborhood
Garage Type	Attached
Garage Area	440 sqft
Driveway	Driveway
Driveway Area	2 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Covered Porch
Porch Area	108 sqft
Deck Area	136 sqft
Patio Area	48 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C
Heating Fuel	Gas

Location & Zoning

Account Number	034089675
Street Address	20521 E UNION AVE
City	AURORA
State	CO
Zip	80015-5450
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	AMU
Legal Description	SUBDIVISIONCD 066756 SUBDIVISIONNAME WILLOW TRACE SUB 2ND FLG BLOCK 001 LOT 008 LOT 8 BLK 1 WILLOW TRACE SUB 2ND FLG EX M/RS
Legal Range	66W
Legal Township	5S
Legal Section	11
Legal Quarter	3
Legal Subdivision	WILLOW TRACE SUB 2ND FLG
Legal Block	001
Legal Lot Number	008,8
Jurisdiction	ARAPAHOE CO
Township / Civil Division	SOUTH AURORA
Census Block Group	1
Census Block	1035
Census Tract	85900

Owner

20521 E Union Ave is owned and occupied by two individuals who acquired it in February 2010.

Source: Arapahoe County records, as of June 15, 2026

Owner of Record	2 Individual Names on File
Mailing Address	20521 E UNION AVE, AURORA, CO 80015-5450
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Mar 9, 2020	Deed of Trust, Mortgage · Line of Credit WELLS FARGO BANK NA
Mar 2, 2018	Deed of Trust, Mortgage · Line of Credit WFB NA

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Jul 25, 2001 · Amount on File
Deed Sale	Jul 25, 2001 · Amount on File
Deed Document Number	2001120797
Last Transfer Date	Feb 6, 2010
Transfer Doc	00D0030266
Record Updated	Oct 29, 2026

March 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ARAPAHOE CO
Property Address	20521 E UNION AVE, AURORA, CO 80015-5450
Transaction Type	Mortgage
Record Updated	Feb 5, 2021
Title Company	ORANGE COAST TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	00E0029148
Date	Mar 9, 2020
Instrument	E0029148

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Mar 26, 2050

March 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	ARAPAHOE CO
Property Address	20521 E UNION AVE, AURORA, CO 80015-5450
Document Number	00D8023451
Instrument Date	Mar 2, 2018
Transaction Type	Mortgage
Record Updated	Mar 21, 2018
Title Company	AMERICAN TITLE COMPANY

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	20521 E UNION AVE AURORA CO 800155450, AURORA, CO 80015-5450

Mortgage

Document Number	00D8023451
Date	Mar 12, 2018
Instrument	D8023451

Lender

Name	WFB NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	360 Months
Due	Mar 11, 2048

Interest

Rate Type	Adjustable Rate

Tax Assessment & Valuation

The 2025 property tax bill for 20521 E Union Ave was $4,351, up 5.8% from the year before.

Source: Arapahoe County assessment roll, as of June 15, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Arapahoe County
Unified School District	Cherry Creek School District 5 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$34,958 (-2.08%)	$571,200 (-) Land $147,200 Building $424,000
2025	$4,351.00 (+5.76%)	$35,700	$571,200 Land $147,200 Building $424,000
2024	$4,114.00
2023		$36,682	$602,500 Land $147,200 Building $455,300
2021	$3,010.00

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Flood

FEMA maps place 20521 E Union Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 2, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 7 (15% premium discount)
Nearby Flood Policies	3 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

Wildfire risk around 20521 E Union Ave is low, with less than a 0.01% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 96% of the US · lower than 98.4% of Colorado
Wildfire Likelihood	Under 0.01% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	EAST CHERRY CREEK VALLEY WSD serves 66,130 people · EPA ID CO0103035
Water Source	Purchased surface water from several systems
Last State Inspection	Sep 2023
Lead	Under 1 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	4 last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 600 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Xfinity Cable	2,000 / 250
CenturyLink DSL · Fiber in parts of the area	140 / 20

May also be available: BAM Broadband, Kellin Communications, Ting, Verizon.

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