505 Aurora Ave, Boulder, CO 80302 Property Records

Boulder County property record for 505 Aurora Ave, Boulder, CO 80302

Property Summary

Property Type	Single Family Home
Details	4 bd · 5.75 ba · 4,383 sqft · built 2008
Lot Size	0.241 acres (10,507 sqft)
Owner	Company Name on Record
Last Sale	$825,000 (Apr 2008)
Tax Bill	$24,452 (2025)
Deeds & Mortgages	Apr 2026 Transfer Apr 2026 Transfer + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1461-36-4-04-008`

Property Details

APN / Parcel Number

Primary APN	`1461-36-4-04-008`
Alternative APNs	`R0000365` `0000365`

Interior

Bedrooms	4 Beds
Full Baths	5.75 Baths
Half Baths	3 Half Baths
Total Rooms	10 Rooms
Stories	2 Stories
Building Area	4,383 sqft Living Area
Gross Area	5,081 sqft
1st Floor Area	2,152 sqft
Upper Floors Area	777 sqft
Basement Area	2,152 sqft
Finished Basement	1,454 sqft
Unfinished Basement	698 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2008
Effective Year Built	Effective 2008
Architectural Style	A-Frame
Exterior Material	Combination
Construction Type	Frame
Roof Material	Concrete
Lot Area	10,507 sqft (0.241 acres)
Garage Type	Detached
Garage Area	525 sqft

Exterior Amenities

Porch	Porch
Porch Area	108 sqft
Deck Area	528 sqft
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0000365
Street Address	505 AURORA AVE
City	BOULDER
State	CO
Zip	80302-7127
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 12 & W 33.34 FT LOT 11 BLK 4 GENEVA PARK
Legal Range	71
Legal Township	1N
Legal Section	36
Legal Subdivision	GENEVA PARK - BO
Legal Block	4
Legal Lot Number	11
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	3
Census Block	3034
Census Tract	12201

Owner

Source: Boulder County records, as of September 18, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	Company Name on Record
Mailing Address	505 AURORA AVE, BOULDER, CO 80302-7127
Occupancy	Owner Occupied
Owner Type	Company
Vesting	Trust, Revocable Trust

Deeds, Mortgages & Sale History

Date	Document
Apr 27, 2026	Quit Claim Deed, Transfer NONE LISTED ON DOCUMENT
Apr 27, 2026	Quit Claim Deed, Transfer NONE LISTED ON DOCUMENT
Oct 13, 2017	Quit Claim Deed, Transfer ATTORNEY ONLY

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Apr 11, 2008 · Amount on Record
Deed Sale	Apr 11, 2008 · Amount on Record
Prior Sale	Sep 10, 2007 · Amount on Record
Deed Document Number	20082922588
Prior Transfer Date	Aug 30, 2007
Prior Transfer Doc	0002880578
Record Updated	Oct 29, 2026

April 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 27, 2026
Property Address	505 AURORA AVE, BOULDER, CO 80302-7127
Document Number	0004129411
Instrument Date	Apr 24, 2026
Instrument	20264129411
Transaction Type	Transfer
Record Updated	Aug 28, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	505 AURORA AVE, BOULDER, CO 80302-7127

April 2026: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 27, 2026
Property Address	505 AURORA AVE, BOULDER, CO 80302-7127
Document Number	0004129402
Instrument Date	Apr 24, 2026
Instrument	20264129402
Transaction Type	Transfer
Record Updated	Aug 28, 2026
Title Company	NONE LISTED ON DOCUMENT

Transaction

Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	505 AURORA AVE, BOULDER, CO 80302-7127

October 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 13, 2017
Property Address	505 AURORA AVE, BOULDER, CO 80302-7127
Document Number	0003619890
Instrument Date	Oct 7, 2017
Instrument	3619890
Transaction Type	Transfer
Record Updated	Oct 18, 2017
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Common
Address	505 AURORA AVE BOULDER CO 803027127, BOULDER, CO 80302-7127

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$274,258 (+6.94%) Land $119,272 Building $154,986	$4,103,200 (-) Land $1,824,000 Building $2,279,200
2025	$24,452.00 (+6.81%)	$256,450 (-4.59%) Land $114,000 Building $142,450	$4,103,200 (+2.28%) Land $1,824,000 Building $2,279,200
2023	$22,894.00 (+1.19%)	$268,798 (+10.33%) Land $117,619 Building $151,179	$4,011,900 (+14.45%) Land $1,755,500 Building $2,256,400
2022	$22,624.00	$243,625 Land $99,232 Building $144,393	$3,505,400 Land $1,427,800 Building $2,077,600

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

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Nearest Special Flood Hazard Area	Zone AE, within 500 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 34 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	34 in force
Nearby Flood Claims	29 (1983–2025)
Claims Outside the SFHA	10 of 29
Most Recent Claim	Apr 2025 · other causes
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 19 claims

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

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

Wildfire Risk	High above 84% of the US · above 87% of Colorado
Wildfire Likelihood	0.7% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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 550 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
CenturyLink Fiber · DSL in parts of the area	2,000 / 1,000
Xfinity Cable	2,000 / 250
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20
AT&T Fixed Wireless	100 / 20

May also be available: Magnolia Road Internet Cooperative, Verizon.

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