651 4th Ave, Longmont, CO 80501 Property Records

Boulder County property record for 651 4th Ave, Longmont, CO 80501 · Last verified February 2026

Property Highlights

Property Type	Commercial > Office > Office Building
Architecture Style	Other
Year Built	Built 1985
Square Footage	4,549 sqft Finished Area
Lot Size	5,227 sqft (0.119 acres)
Tax Bill	$22,390.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1315-03-3-12-003`
Alternative APNs	`1315-03-3-12-007` `R0055859` `R0616271` `0055859`

Interior

Building Area	4,549 sqft Finished Area
1st Floor	3,124 sqft 1st Floor
Stories	1 Stories

Exterior

Year Built	Built 1945
Effective Year Built	Effective 1985
Architectural Style	Other Style
Construction Type	Brick Construction
Lot Area	5,227 sqft (0.119 acres)
Total Buildings	2 Total Buildings

Utilities and HVAC

Cooling System	HVAC Cooling

Location & Zoning

Account Number	R0616271
Old Parcel Number	0055859
Street Address	651 4TH AVE
City	LONGMONT
State	CO
Zip	80501-5401
Property Usage	Commercial Property Usage
Type	Commercial > Office > Office Building
Legal Description	E 50 FT OF LOTS 1-4 INC BLK 63 LONGMONT O T; COMBINED IN 2023
Legal Range	69
Legal Township	02N
Legal Section	03
Legal Quarter	SW
Legal Subdivision	LONGMONT OT
Legal Block	63
Legal Lot Number	1-4 2
Jurisdiction	BOULDER CO
Minor Civil Division	LONGMONT
Census Blockgroup	2
Census Block	2011
Census Tract	13302

Owner

Source: Boulder County records · APN 1315-03-3-12-003

Assessment roll updated August 25, 2025 · Last verified February 2026

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

Owner of Record	Individual Owner on File
Mailing Address	917 S MAIN ST STE 100, 100, LONGMONT, CO 80501-6400
Owner Type	Owner is a Company
Vesting	Owner is a Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Known Transactions	Apr 12, 2022 Prior Sale Amount on Sep 15, 1997
Deed Doc Number	3956181
Record Refreshed	Jun 08, 2026

August 2019: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 06, 2019
Property Address	655 4TH AVE, LONGMONT, CO 80501-5401
Document Number	0003728503
Instrument Date	Aug 06, 2019
Instrument	3728503
Transaction Type	Transfer
Record Updated	Aug 14, 2019
Title Company	ATTORNEY ONLY

Transaction

Tax	$0.00
Additional	Quitclaim Document Multiple parcels conveyed, unknown impact to APN

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	5385 CENTENNIAL TRL BOULDER CO 803031265, BOULDER, CO 80303-1265

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated August 25, 2025 · Last verified February 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 and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$22,390.00 (+2.13%)	$204,687 (-4.76%) Land $80,757 Building $123,930	$758,100 (-1.58%) Land $299,100 Building $459,000
2023	$21,924.00 (+10.03%)	$214,914 (+17.82%) Land $82,054 Building $132,860	$770,300 (+22.46%) Land $294,100 Building $476,200
2022	$19,925.00	$182,410 Land $51,330 Building $131,080	$629,000 Land $177,000 Building $452,000