321 17th Ave, Longmont, CO 80501 Property Records

Boulder County property record for 321 17th Ave, Longmont, CO 80501 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	1.5 Baths
Architecture Style	Split Level
Year Built	Built 1999
Square Footage	1,432 sqft Living Area
Lot Size	7,522 sqft (0.173 acres)
Occupancy	Owner Occupied
Tax Bill	$2,940.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1205-34-1-06-023`
Alternative APNs	`R0099718` `0099718`

Interior

Bedrooms	3 Beds
Full Baths	1.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	6 Rooms
Building Area	1,432 sqft Living Area
1st Floor	956 sqft 1st Floor
Upper Floors	476 sqft Upper Floors
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1999
Effective Year Built	Effective 1999
Architectural Style	Split Level Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Roof Material	Asphalt Roof
Lot Area	7,522 sqft (0.173 acres)

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0099718
Street Address	321 17TH AVE
City	LONGMONT
State	CO
Zip	80501-2806
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 4 BLK 5 HAMILTON HEIGHTS SPLIT SEE ID 45724
Legal Range	69
Legal Township	3N
Legal Section	27
Legal Subdivision	HAMILTON HEIGHTS - LG
Legal Block	5
Legal Lot Number	4
Jurisdiction	BOULDER CO
Minor Civil Division	LONGMONT
Census Blockgroup	2
Census Block	2006
Census Tract	13503

Owner

Source: Boulder County records · APN 1205-34-1-06-023

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	Individual Owner on File
Mailing Address	321 17TH AVE, LONGMONT, CO 80501-2806
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Known Transactions	Jun 06, 1967
Deed Doc Number	1967848327
Last Transfer Date	Feb 22, 2021
Transfer Doc	0003872975
Record Refreshed	Sep 20, 2026

March 2021: Intrafamily Transfer, Transfer

Document Type	Intrafamily Transfer
Jurisdiction	BOULDER CO
Recording Date	Mar 31, 2021
Property Address	321 17TH AVE, LONGMONT, CO 80501-2806
Document Number	0003872975
Map Reference	MB 6 PG 69
Instrument Date	Feb 22, 2021
Instrument	3872975
Transaction Type	Transfer
Record Updated	Mar 31, 2022

Transaction

Tax	$0.00
Amount Accuracy	Transfer Tax Exempt
Additional	Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	321 17TH AVE, LONGMONT, CO 80501-2806

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 and are not market price estimates.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$30,471 (+8.8%) Land $8,085 Building $22,386	$448,100 (-) Land $118,900 Building $329,200
2025	$2,940.00 (+21.34%)	$28,006 (-4.65%) Land $7,431 Building $20,575	$448,100 (+2.21%) Land $118,900 Building $329,200
2023	$2,423.00 (+7.55%)	$29,372 (+29.01%) Land $8,187 Building $21,185	$438,400 (+33.82%) Land $122,200 Building $316,200
2022	$2,253.00	$22,768 Land $5,991 Building $16,777	$327,600 Land $86,200 Building $241,400