780 Union Ave, Boulder, CO 80304 Property Records

Boulder County property record for 780 Union Ave, Boulder, CO 80304 · Last verified June 2026

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.75 ba · 2,644 sqft · built 1989
Lot Size	0.27 acres (11,778 sqft)
Owner	2 Individual Names on File
Last Sale	$685,000 (Mar 2012)
Tax Bill	$9,269 (2025)
Deeds & Mortgages	Oct 2020 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1461-13-1-12-001`

Property Details

APN / Parcel Number

Primary APN	`1461-13-1-12-001`
Alternative APNs	`R0094102` `0094102`

Interior

Bedrooms	4 Beds
Full Baths	2.75 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Building Area	2,644 sqft Living Area
Gross Area	3,124 sqft
1st Floor Area	1,152 sqft
Upper Floors Area	912 sqft
Basement Area	580 sqft
Finished Basement	580 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1989
Effective Year Built	Effective 1989
Architectural Style	Split Level
Exterior Material	Brick Veneer
Construction Type	Frame
Lot Area	11,778 sqft (0.27 acres)
Garage Type	Attached
Garage Area	480 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Porch	Porch
Porch Area	80 sqft
Deck Area	225 sqft
Patio Area	325 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0094102
Street Address	780 UNION AVE
City	BOULDER
State	CO
Zip	80304-0707
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 1 BLK A WONDERLAND NORTH
Legal Range	71
Legal Township	1N
Legal Section	13
Legal Subdivision	WONDERLAND NORTH - BO
Legal Block	A
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 · APN 1461-13-1-12-001

Assessment roll updated June 15, 2026 · Last verified June 2026

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

Owner of Record	2 Individual Names on File
Mailing Address	780 UNION AVE, BOULDER, CO 80304-0707
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Mar 08, 2012 · Amount on Record
Deed Sale	Mar 08, 2012 · Amount on Record
Prior Sale	May 13, 1993 · Amount on Record
Deed Document Number	20123208226
Record Updated	Sep 20, 2026

October 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	780 UNION AVE, BOULDER, CO 80304-0707
Transaction Type	Mortgage
Record Updated	Mar 31, 2022
Title Company	ASCENDANT TITLE

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003828805
Date	Oct 30, 2020
Instrument	3828805

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company
Address	CHICAGO, IL 60613

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Oct 01, 2050

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 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

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.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$106,889 (+8.8%) Land $87,944 Building $18,945	$1,571,900 (-) Land $1,293,300 Building $278,600
2025	$9,269.00 (+1.22%)	$98,244 (-11.47%) Land $80,831 Building $17,413	$1,571,900 (-5.1%) Land $1,293,300 Building $278,600
2023	$9,157.00 (+18.88%)	$110,972 (+32.33%) Land $88,212 Building $22,760	$1,656,300 (+37.27%) Land $1,316,600 Building $339,700
2022	$7,703.00	$83,859 Land $70,675 Building $13,184	$1,206,600 Land $1,016,900 Building $189,700

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130121041, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Special Flood Hazard Area	No
Flood Hazard	Minimal
500-Year Floodplain	No
Flood Insurance Cost	Premium on Record median of 58 individual NFIP policies nearby
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	63 units insured 5 under condo master policies
Nearby Flood Claims	14 (2013–2015)
Claims Outside the SFHA	6 of 14
Most Recent Claim	May 2015, other causes, Severe Storms, Tornadoes, Flooding, Landslides, And Mudslides
Claims By Storm	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 13 claims

Wildfire

Wildfire Risk	High above 78% of the US · above 79% of Colorado
Wildfire Likelihood	About 1 in 184 per year
Exposure	Direct burnable vegetation at the parcel

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.

Internet Providers

Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 232 locations within about half a mile of this property

Provider	Technology	Download / Upload (Mbps)
Ayva	Fixed Wireless (unlicensed)	2,500 / 2,500
Xfinity	Cable	2,000 / 250
Live Wire Networks	Fixed Wireless (licensed-by-rule)	250 / 100

May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.