6398 Union Ave, Firestone (Longmont), CO 80504 Property Records

Weld County property record for 6398 Union Ave, Firestone, CO 80504

Property Summary

Property Type	Single Family Home
Details	4 bd · 3 ba · 2,946 sqft · built 2012
Lot Size	0.147 acres (6,406 sqft)
Owner	Individual Name on File
Last Sale	$570,000 (Nov 2024)
Tax Bill	$4,166 (2025)
Deeds & Mortgages	Sep 2023 Line of Credit Aug 2021 Mortgage + 2 more
Flood Zone	Zone X (minimal risk)
APN	`1.31-10-6-E+-11`

Property Details

APN / Parcel Number

Primary APN	`1.31-10-6-E+-11`
Alternative APNs	`1311-06-3-13-013` `R1078802`

Interior

Bedrooms	4 Beds
Full Baths	3 Baths
Plumbing Fixtures	13 Plumbing Fixtures
Stories	2 Stories
Building Area	2,946 sqft Living Area
Gross Area	3,648 sqft
Basement Area	900 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 2012
Effective Year Built	Effective 2012
Architectural Style	Bi-Level
Exterior Material	Frame Hardboard
Construction Type	Wood
Roof Material	Composition Shingle
Lot Area	6,406 sqft (0.147 acres)
Garage Type	Attached
Garage Area	702 sqft
Porch	Slab
Porch Area	904 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central

Location & Zoning

Account Number	R1078802
Street Address	6398 UNION AVE
City	FIRESTONE
State	CO
Zip	80504-6498
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	FIR 2OMP L13 BLK13 OAK MEADOWS PUD FG 2
Legal Range	67W
Legal Township	2N
Legal Section	6
Legal Subdivision	OAK MEADOWS PUD FG#2
Legal Block	13
Legal Lot Number	13
Jurisdiction	WELD CO
Township / Civil Division	ERIE-FREDERICK
Census Block Group	1
Census Block	1001
Census Tract	2020

Owner

6398 Union Ave is owned and occupied by an individual who bought it in November 2024.

Source: Weld County records, as of October 21, 2026

Owner of Record	Individual Name on File
Mailing Address	6398 UNION AVE, FIRESTONE, CO 80504-6498
Occupancy	Owner Occupied
Owner Type	Individual

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
Sep 15, 2023	Deed of Trust, Mortgage · Line of Credit ELEVATIONS CU
Aug 17, 2021	Deed of Trust, Mortgage · Conventional Mortgage ELEVATIONS CU
Dec 13, 2017	Deed of Trust, Mortgage · Line of Credit PREMIER MEMBERS CU
Jun 22, 2020	Warranty Deed, Transfer · Conventional Mortgage ELEVATIONS CU

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Nov 27, 2024 · Amount on File
Deed Sale	Nov 27, 2024 · Amount on File
Prior Sale	Jun 22, 2020 · Amount on File
Deed Document Number	20244997317
Prior Transfer Date	Nov 26, 2024
Prior Transfer Doc	0004997317
Record Updated	Oct 29, 2026

September 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WELD CO
Property Address	6398 UNION AVE, FIRESTONE, CO 80504-6498
Transaction Type	Mortgage
Record Updated	Sep 25, 2023

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0004920884
Date	Sep 15, 2023
Instrument	4920884

Lender

Name	ELEVATIONS CU
Type	Credit Union
Address	BOULDER, CO 80301

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	240 Months
Due	Sep 14, 2043

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

August 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WELD CO
Property Address	6398 UNION AVE, FIRESTONE, CO 80504-6498
Transaction Type	Mortgage
Record Updated	Aug 25, 2021
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE CO

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	6398 UNION AVE, FIRESTONE, CO 80504-6498

Mortgage

Document Number	0004746864
Date	Aug 17, 2021
Instrument	4746864

Lender

Name	ELEVATIONS CU
Type	Credit Union
Address	BOULDER, CO 80301

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Sep 1, 2051

December 2017: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	WELD CO
Property Address	6398 UNION AVE, FIRESTONE, CO 80504-6498
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0004359733
Date	Dec 13, 2017
Instrument	4359733

Lender

Name	PREMIER MEMBERS CU
Type	Credit Union
Address	BOULDER, CO 80303

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	299 Months
Due	Nov 25, 2042

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

June 2020: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	WELD CO
Recording Date	Jun 22, 2020
Property Address	6398 UNION AVE, FIRESTONE, CO 80504-6498
Document Number	0004601258
Instrument Date	Jun 10, 2020
Instrument	4601258
Transaction Type	Transfer
Record Updated	Jul 2, 2020
Title Company	FIRST AMERICAN TITLE, FIRST AMERICAN TITLE INSURANCE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$42.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Sole Owner
Address	6398 UNION AVE FIRESTONE CO 805046498, FIRESTONE, CO 80504-6498

Mortgage

Document Number	4601259
Date	Jun 22, 2020
Instrument	4601259

Lender

Name	ELEVATIONS CU
Address	BOULDER, CO 80301

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Jun 21, 2050

Interest

Rate Type	Adjustable Rate
Rate	3.5%

Tax Assessment & Valuation

The 2025 property tax bill for 6398 Union Ave was $4,166, up 13.2% from the year before.

Source: Weld County assessment roll, as of May 27, 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Weld County
Municipality	Firestone Town
Unified School District	St. Vrain Valley School District RE 1J (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$36,360 (-2.1%) Land $7,220 Building $29,140	$594,098 (-) Land $118,000 Building $476,098
2025	$4,166.00 (+13.24%)	$37,140 Land $7,380 Building $29,760	$594,098 Land $118,000 Building $476,098
2024	$3,679.00 (+4.25%)
2023	$3,529.00	$39,310 Land $7,980 Building $31,330	$581,155 Land $118,000 Building $463,155

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 6398 Union Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective June 28, 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 6398 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 98% of the US · lower than 99.2% of Colorado
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond 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	TOWN OF FIRESTONE serves 27,798 people · EPA ID CO0162476
Water Source	Purchased surface water from CENTRAL WELD CNTY WD
Last State Inspection	Apr 2023
Lead	4 ppb (2024) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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. The service area is an EPA estimate; the actual supplier may differ.

Internet Providers

Source: FCC Broadband Data Collection, based on 129 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ripple Fiber Fiber	2,000 / 2,000
Xfinity Cable · Fiber in parts of the area	2,000 / 250
Verizon Fixed Wireless	300 / 20

May also be available: CenturyLink.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on Union Ave

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