805 Union Ave, Boulder, CO 80304 Property Records

Boulder County property record for 805 Union Ave, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,536 sqft · built 1961
Lot Size	0.244 acres (10,633 sqft)
Owner	Company Name on Record
Last Sale	$1,101,000 (Jul 2025)
Tax Bill	$6,743 (2025)
Deeds & Mortgages	Oct 2020 Mortgage Mar 2018 Sale & Mortgage + 1 more
Flood Zone	Zone X (minimal risk)
APN	`1461-13-1-19-012`

Property Details

APN / Parcel Number

Primary APN	`1461-13-1-19-012`
Alternative APNs	`R0034066` `0034066`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	5 Rooms
Stories	1 Story
Building Area	1,536 sqft Living Area
Gross Area	1,872 sqft
1st Floor Area	1,536 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1961
Effective Year Built	Effective 1995
Architectural Style	Ranch
Exterior Material	Brick Veneer
Construction Type	Masonry / Concrete Block
Roof Material	Asphalt
Lot Area	10,633 sqft (0.244 acres)
Garage Type	Attached
Garage Area	336 sqft
Porch	Enclosed Porch
Porch Area	336 sqft

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0034066
Street Address	805 UNION AVE
City	BOULDER
State	CO
Zip	80304-0708
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 12 CHERRY HILLS LOT LINE ADJ #1720746&1787870
Legal Range	71
Legal Township	1N
Legal Section	13
Legal Subdivision	CHERRY HILLS SUB - BO
Legal Block	1
Legal Lot Number	12
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1008
Census Tract	12104

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	4470 BROADWAY ST, 103, BOULDER, CO 80304-4520
Owner Type	Company
Vesting	Trust

Deeds, Mortgages & Sale History

Date	Document
Oct 19, 2020	Deed of Trust, Mortgage · Conventional Mortgage QUICKEN LOANS LLC
Mar 1, 2018	Warranty Deed, Transfer · Conventional Mortgage PROVIDENT FUNDING ASSOCIATES LP
Jan 23, 2017	Deed of Trust, Mortgage · Conventional Mortgage ELEVATIONS FCU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Jul 14, 2025 · Amount on Record
Deed Sale	Jul 14, 2025 · Amount on Record
Prior Sale	Mar 1, 2018 · Amount on Record
Deed Document Number	20254094713
Prior Transfer Date	Nov 19, 2009
Prior Transfer Doc	0003045004
Record Updated	Oct 29, 2026

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	805 UNION AVE, BOULDER, CO 80304-0708
Transaction Type	Mortgage
Record Updated	Mar 31, 2022
Title Company	AMROCK INC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003825335
Date	Oct 19, 2020
Instrument	3825335

Lender

Name	QUICKEN LOANS LLC
Type	Mortgage Company
Address	DETROIT, MI 48226

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 1, 2050

March 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Mar 1, 2018
Property Address	805 UNION AVE, BOULDER, CO 80304-0708
Document Number	0003642948
Instrument Date	Feb 27, 2018
Instrument	3642948
Transaction Type	Transfer
Record Updated	Mar 31, 2022
Title Company	FIDELITY NATIONAL TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$32.90
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	00000

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants
Address	805 UNION AVE, BOULDER, CO 80304-0708

Mortgage

Document Number	0003642949
Date	Mar 1, 2018
Instrument	3642949

Lender

Name	PROVIDENT FUNDING ASSOCIATES LP
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	180 Months
Due	Mar 1, 2033

January 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	805 UNION AVE, BOULDER, CO 80304-0708
Document Number	0003573014
Instrument Date	Jan 23, 2017
Transaction Type	Mortgage
Record Updated	Feb 15, 2017
Title Company	STEWART TITLE

Transaction

Additional	Multiple Parcels

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003573014
Date	Feb 3, 2017
Instrument	3573014

Lender

Name	ELEVATIONS FCU
Type	Credit Union
Address	BOULDER, CO 80301

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Feb 2, 2047

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		$80,165 (+13.35%) Land $71,672 Building $8,493	$1,248,900 (+10.37%) Land $1,124,010 Building $124,890
2025	$6,743.00 (+2.4%)	$70,726 (-11.52%) Land $63,653 Building $7,073	$1,131,600 (-5.15%) Land $1,018,440 Building $113,160
2023	$6,585.00 (+1.53%)	$79,938 (+14.45%) Land $71,944 Building $7,994	$1,193,100 (+18.72%) Land $1,073,790 Building $119,310
2022	$6,486.00	$69,848 Land $62,863 Building $6,985	$1,005,000 Land $904,500 Building $100,500

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
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on Record median of 58 individual policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	63 units insured incl. 5 condo units
Nearby Flood Claims	14 (2013–2015)
Claims Outside the SFHA	6 of 14
Most Recent Claim	May 2015 · Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 13 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 77% of the US · above 78% of Colorado
Wildfire Likelihood	0.5% 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	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 232 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
Xfinity Cable	2,000 / 250
LiveWireNet Fixed Wireless	250 / 100

May also be available: Verizon.

Cell Coverage

5G (outdoors only) and 4G LTE

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