317 E 4th Ave, Longmont, CO 80504 Property Records

Boulder County property record for 317 E 4th Ave, Longmont, CO 80504

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 1,496 sqft · built 1979
Lot Size	0.131 acres (5,695 sqft)
Owner	Individual Name on File
Last Sale	$112,000 (Apr 1997)
Tax Bill	$2,602 (2025)
Deeds & Mortgages	Apr 2022 Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1315-02-3-21-029`

Property Details

APN / Parcel Number

Primary APN	`1315-02-3-21-029`
Alternative APNs	`R0080499` `0080499`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	5 Rooms
Building Area	1,496 sqft Living Area
Gross Area	2,464 sqft
1st Floor Area	704 sqft
Upper Floors Area	792 sqft
Basement Area	704 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1979
Effective Year Built	Effective 1979
Architectural Style	Townhouse
Exterior Material	Wood Shingle
Construction Type	Frame
Lot Area	5,695 sqft (0.131 acres)
Garage Type	Attached
Garage Area	264 sqft
Parking Spaces	1 Parking Space
Porch	Porch
Porch Area	168 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0080499
Street Address	317 E 4TH AVE
City	LONGMONT
State	CO
Zip	80504-6004
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 29 BLK C TOWN & COUNTRY
Legal Range	69
Legal Township	2N
Legal Section	02
Legal Subdivision	TOWN & COUNTRY - LG
Legal Block	C
Legal Lot Number	29
Jurisdiction	BOULDER CO
Township / Civil Division	LONGMONT
Census Block Group	1
Census Block	1009
Census Tract	13402

Owner

Source: Boulder County assessment roll, APN 1315-02-3-21-029, as of June 15, 2026 · Last verified August 2026

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

Owner of Record	Individual Name on File
Mailing Address	317 E 4TH AVE, LONGMONT, CO 80504-6004
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Apr 29, 1997 · Amount on Record
Deed Sale	Apr 29, 1997 · Amount on Record
Prior Sale	May 18, 1994 · Amount on Record
Deed Document Number	19971694250
Last Transfer Date	Mar 18, 2022
Transfer Doc	0003954309
Record Updated	Sep 20, 2026

April 2022: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Apr 04, 2022
Property Address	317 E 4TH AVE, LONGMONT, CO 80504-6004
Document Number	0003954309
Map Reference	FILE R7-3-29
Instrument Date	Mar 18, 2022
Instrument	3954309
Transaction Type	Transfer
Record Updated	Apr 18, 2022
Title Company	FIRST AMERICAN TITLE

Transaction

Tax	$0.00
Amount Accuracy	No Consideration Stated
Additional	Intrafamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	317 E 4TH AVE, LONGMONT, CO 80504-6004

Mortgage

Document Number	0003954310
Date	Apr 04, 2022
Instrument	3954310

Lender

Name	BANK OF THE WEST
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	180 Months
Due	Apr 01, 2037

Tax Assessment & Valuation

Source: Boulder County assessment roll as of June 15, 2026 · Last verified August 2026

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Longmont City
Unified School District	St. Vrain Valley School District RE 1J (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		$26,975 (+8.8%) Land $9,642 Building $17,333	$396,700 (-) Land $141,800 Building $254,900
2025	$2,602.00 (+21.08%)	$24,794 (-6.34%) Land $8,863 Building $15,931	$396,700 (+0.4%) Land $141,800 Building $254,900
2023	$2,149.00 (+0.19%)	$26,471 (+22.12%) Land $9,795 Building $16,676	$395,100 (+26.68%) Land $146,200 Building $248,900
2022	$2,145.00	$21,677 Land $6,915 Building $14,762	$311,900 Land $99,500 Building $212,400

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), as of October 14, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

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

Wildfire

Wildfire Risk	Not rated no burnable land within ember reach

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

Internet Providers

Source: FCC Broadband Data Collection, 101 locations within half a mile, as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
City of Longmont Fiber	10,000 / 10,000
Xfinity Cable	1,200 / 35
Verizon Fixed Wireless	300 / 20
Lumen Technologies DSL	140 / 20
JAB Wireless Fixed Wireless	100 / 20

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CO0107485, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	CITY OF LONGMONT serves 104,178 people
Water Source	Surface water
Last State Inspection	Sep 2025
Lead	2 ppb (2023–2025) 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 as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.