880 Union Ave, Boulder, CO 80304 Property Records

Boulder County property record for 880 Union Ave, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,440 sqft · built 1964
Lot Size	0.168 acres (7,331 sqft)
Owner	Company Name on Record
Last Sale	$307,500 (Aug 1998)
Tax Bill	$9,358 (2025)
Deeds & Mortgages	Jun 2019 Transfer Jun 2019 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`1461-13-1-23-001`

Property Details

APN / Parcel Number

Primary APN	`1461-13-1-23-001`
Alternative APNs	`R0033738` `0033738`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,440 sqft Living Area
Gross Area	1,512 sqft
1st Floor Area	1,440 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1964
Effective Year Built	Effective 1995
Architectural Style	Ranch
Exterior Material	Combination
Construction Type	Frame
Roof Material	Metal
Lot Area	7,331 sqft (0.168 acres)
Garage Type	Carport
Garage Area	552 sqft
Carport	Carport
Carport Area	552 sqft
Parking Spaces	2 Parking Spaces
Porch	Enclosed Porch
Porch Area	72 sqft
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0033738
Street Address	880 UNION AVE
City	BOULDER
State	CO
Zip	80304-0709
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 1 ERIN TRUNCK SUBDIVISION SPLIT SEE ID 108153-108155
Legal Range	71
Legal Township	1N
Legal Section	13
Legal Subdivision	ERIN TRUNCK SUBDIVISION - BO
Legal Block	1
Legal Lot Number	1
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1007
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	880 UNION AVE, BOULDER, CO 80304-0709
Owner Type	Company
Vesting	Trust, Family Trust

Deeds, Mortgages & Sale History

Date	Document
Jun 25, 2019	Quit Claim Deed, Transfer NOT AVAILABLE
Jun 24, 2019	Quit Claim Deed, Transfer · Line of Credit ELEVATIONS CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Aug 19, 1998 · Amount on Record
Deed Sale	Aug 19, 1998 · Amount on Record
Prior Sale	Jul 14, 1989 · Amount on Record
Deed Document Number	19981836975
Last Transfer Date	Jun 11, 2019
Transfer Doc	0003720222
Record Updated	Oct 29, 2026

June 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Jun 25, 2019
Property Address	880 UNION AVE, BOULDER, CO 80304-0709
Document Number	0003720222
Instrument Date	Jun 17, 2019
Instrument	3720222
Transaction Type	Transfer
Record Updated	Jul 2, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Personal Trust
Address	880 UNION AVE BOULDER CO 803040709, BOULDER, CO 80304-0709

June 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Jun 24, 2019
Property Address	880 UNION AVE, BOULDER, CO 80304-0709
Document Number	0003719810
Instrument Date	Jun 17, 2019
Instrument	3719810
Transaction Type	Transfer
Record Updated	Jul 2, 2019
Title Company	NOT AVAILABLE

Transaction

Tax	$0.00
Additional	Quitclaim Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	880 UNION AVE BOULDER CO 803040709, BOULDER, CO 80304-0709

Mortgage

Document Number	3720059
Date	Jun 24, 2019
Instrument	3720059

Lender

Name	ELEVATIONS CU
Address	BOULDER, CO 80301

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	240 Months
Due	Jun 23, 2039

Interest

Rate Type	Adjustable Rate

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		$108,827 (+4.24%) Land $64,627 Building $44,200	$1,670,400 (-) Land $1,020,400 Building $650,000
2025	$9,358.00 (-6.47%)	$104,400 (-12.67%) Land $63,775 Building $40,625	$1,670,400 (-6.38%) Land $1,020,400 Building $650,000
2023	$10,005.00 (+22.93%)	$119,548 (+36.39%) Land $69,593 Building $49,955	$1,784,300 (+41.48%) Land $1,038,700 Building $745,600
2022	$8,139.00	$87,654 Land $55,760 Building $31,894	$1,261,200 Land $802,300 Building $458,900

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	Moderate above 64% of the US · above 54% of Colorado
Wildfire Likelihood	0.2% annual chance
Exposure	Indirect within ember reach

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 460 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
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T, CenturyLink.

Cell Coverage

5G (outdoors only) and 4G LTE

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