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

Boulder County property record for 18 E 4th Ave, Longmont, CO 80504 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	2 Beds
Bathrooms	1 Baths
Year Built	Built 1970
Square Footage	670 sqft Living Area
Lot Size	6,234 sqft (0.143 acres)
Garage	Detached, 342 sqft
Last Sale	$215,000 (2017)
Tax Bill	$2,261.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1315-02-3-06-017`
Alternative APNs	`R0044675` `0044675`

Interior

Bedrooms	2 Beds
Full Baths	1 Baths
Total Rooms	5 Rooms
Building Area	670 sqft Living Area
Gross Area	1,032 sqft Gross Area
1st Floor	670 sqft 1st Floor
Basement Area	168 sqft Basement
Stories	1 Stories
Interior Structure	Plaster Interior Structure

Exterior

Year Built	Built 1921
Effective Year Built	Effective 1970
Architectural Style	Ranch Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Lot Area	6,234 sqft (0.143 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Detached Garage
Garage Area	342 sqft Garage
Porch	Enclosed Porch
Porch Area	194 sqft Porch

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0044675
Street Address	18 E 4TH AVE
City	LONGMONT
State	CO
Zip	80504-1406
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 17 BLK 1 MORNING SIDE
Legal Range	69
Legal Township	2N
Legal Section	02
Legal Subdivision	MORNINGSIDE ADDITION - LG
Legal Block	1
Legal Lot Number	17
Jurisdiction	BOULDER CO
Minor Civil Division	LONGMONT
Census Blockgroup	1
Census Block	1012
Census Tract	13401

Owner

Source: Boulder County records · APN 1315-02-3-06-017

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 Individuals Owners
Mailing Address	746 EMERY ST, LONGMONT, CO 80501-5037
Owner Type	Owner is an Individual, Couple or Unincorporated Entity
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Known Transactions	Last Sale Amount on Feb 28, 2017 Deed Sale Price on Feb 28, 2017 Prior Sale Amount on Jun 28, 1999
Deed Doc Number	20173577355
Prior Transfer Date	Jul 22, 2002
Prior Transfer Doc	0002314852
Record Refreshed	Sep 20, 2026

February 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Feb 28, 2017
Property Address	18 E 4TH AVE, LONGMONT, CO 80504-1406
Document Number	0003577355
Instrument Date	Feb 24, 2017
Instrument	3577355
Transaction Type	Transfer
Record Updated	Mar 10, 2017
Title Company	FIDELITY NATIONAL TITLE, FIDELITY NATIONAL TITLE INSURA

Transaction

Amount	Amount Recorded
Tax	$21.50
Amount Accuracy	Confirmed
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenant/Joint Tenant w/ Right Of Survivorship
Address	316 VIVIAN ST LONGMONT CO 805014841, LONGMONT, CO 80501-4841

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	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		$23,439 (+8.8%) Land $7,772 Building $15,667	$344,700 (-) Land $114,300 Building $230,400
2025	$2,261.00 (+16.37%)	$21,544 (-11.29%) Land $7,144 Building $14,400	$344,700 (-4.91%) Land $114,300 Building $230,400
2023	$1,943.00 (+1.99%)	$24,287 (+26.11%) Land $7,812 Building $16,475	$362,500 (+30.82%) Land $116,600 Building $245,900
2022	$1,905.00	$19,258 Land $5,657 Building $13,601	$277,100 Land $81,400 Building $195,700