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

Boulder County property record for 307 E 4th Ave, Longmont, CO 80504

Property Summary

Property Type	Single Family Home
Details	3 bd · 1.5 ba · 2,326 sqft · built 1979
Lot Size	0.058 acres (2,508 sqft)
Owner	Individual Name on File
Last Sale	$348,550 (Aug 2022)
Tax Bill	$2,655 (2025)
Deeds & Mortgages	Aug 2022 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1315-02-3-21-024`

Property Details

APN / Parcel Number

Primary APN	`1315-02-3-21-024`
Alternative APNs	`R0080494` `0080494`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	6 Rooms
Building Area	2,326 sqft Living Area
Gross Area	2,599 sqft
1st Floor Area	697 sqft
Upper Floors Area	932 sqft
Basement Area	697 sqft
Finished Basement	697 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1979
Effective Year Built	Effective 1993
Architectural Style	Townhouse
Exterior Material	Wood Shingle
Construction Type	Frame
Lot Area	2,508 sqft (0.058 acres)
Garage Type	Attached
Garage Area	273 sqft
Parking Spaces	1 Parking Space
Patio Area	108 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0080494
Street Address	307 E 4TH AVE
City	LONGMONT
State	CO
Zip	80504-6004
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 24 BLK C TOWN & COUNTRY
Legal Range	69
Legal Township	2N
Legal Section	02
Legal Subdivision	TOWN & COUNTRY - LG
Legal Block	C
Legal Lot Number	24
Jurisdiction	BOULDER CO
Township / Civil Division	LONGMONT
Census Block Group	1
Census Block	1009
Census Tract	13402

Owner

Source: Boulder County assessment roll, as of June 15, 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	307 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	Aug 22, 2022 · Amount on Record
Deed Sale	Aug 22, 2022 · Amount on Record
Prior Sale	Jul 6, 2000 · Amount on Record
Deed Document Number	20223977936
Record Updated	Sep 20, 2026

August 2022: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 22, 2022
Property Address	307 E 4TH AVE, LONGMONT, CO 80504-6004
Document Number	0003977936
Instrument Date	Aug 22, 2022
Instrument	3977936
Transaction Type	Transfer
Record Updated	Sep 1, 2022
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$34.66
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	307 E 4TH AVE, 307, LONGMONT, CO 80504-6004

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	307 E 4TH AVE, LONGMONT, CO 80504-6004

Mortgage

Document Number	0003977937
Date	Aug 22, 2022
Instrument	3977937

Lender

Name	CROSSCOUNTRY MORTGAGE LLC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 1, 2052

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$27,520 (+8.8%) Land $6,399 Building $21,121	$404,700 (-) Land $94,100 Building $310,600
2025	$2,655.00 (-19.96%)	$25,294 (-6.6%) Land $5,881 Building $19,413	$404,700 (+0.12%) Land $94,100 Building $310,600
2023	$3,317.00 (+10.49%)	$27,081 (+37.2%) Land $6,499 Building $20,582	$404,200 (+42.32%) Land $97,000 Building $307,200
2022	$3,002.00	$19,738 Land $4,587 Building $15,151	$284,000 Land $66,000 Building $218,000

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

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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Not rated no burnable land within ember reach

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	CITY OF LONGMONT serves 104,178 people · EPA ID CO0107485
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, 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 101 locations within half a mile, as of December 31, 2025

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