1642 Main St, Longmont, CO 80501 Property Records

Boulder County property record for 1642 Main St, Longmont, CO 80501

Property Summary

Property Type	Apartment House (2-4 Units)
Details	6 bd · 6 ba · 16,404 sqft · built 1965
Lot Size	0.745 acres (32,452 sqft)
Owner	Company Name on File
Last Sale	$1,050,000 (Jun 2001)
Tax Bill	$38,804 (2025)
Flood Zone	Zone X (moderate risk)
APN	`1205-34-1-09-004`

Property Details

APN / Parcel Number

Primary APN	`1205-34-1-09-004`
Alternative APNs	`R0042816` `0042816`

Interior

Bedrooms	6 Beds
Full Baths	6 Baths
Total Rooms	36 Rooms
Units	13 Units
Stories	2 Stories
Building Area	16,404 sqft Living Area
1st Floor Area	5,249 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1965
Effective Year Built	Effective 1985
Exterior Material	Block
Construction Type	Concrete Block
Roof Material	Asphalt
Lot Area	32,452 sqft (0.745 acres)

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0042816
Street Address	1642 MAIN ST
City	LONGMONT
State	CO
Zip	80501-2615
Property Category	Commercial
Property Type	Residential > Multi-Unit > Apartment House (2-4 Units)
Legal Description	W 260 FT OF S 25 FT LOT 4 & W 260 FT LOT 5 & W 260 FT LOT 6 BLK 1 HAMILTON HEIGHTS 2
Legal Range	69
Legal Township	3N
Legal Section	27
Legal Subdivision	HAMILTON HEIGHTS 2 - LG
Legal Block	1
Legal Lot Number	4
Jurisdiction	BOULDER CO
Township / Civil Division	LONGMONT
Census Block Group	2
Census Block	2008
Census Tract	13503

Owner

Source: Boulder County records · APN 1205-34-1-09-004

Assessment roll updated June 15, 2026 · Last verified July 2026

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

Owner of Record	Company Name on File
Mailing Address	1642 MAIN ST, LONGMONT, CO 80501-2615
Owner Type	Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jun 14, 2001 · Amount on Record
Deed Sale	Jun 14, 2001 · Amount on Record
Prior Sale	Jan 19, 1999 · Amount on Record
Deed Document Number	20012161387
Record Updated	Sep 20, 2026

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified July 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		$374,131 (-4.74%) Land $160,610 Building $213,521	$2,250,000 (-) Land $965,900 Building $1,284,100
2025	$38,804.00 (+2.06%)	$392,738 (-5.38%) Land $168,598 Building $224,140	$2,250,000 (-6.82%) Land $965,900 Building $1,284,100
2023	$38,022.00 (+40.99%)	$415,047 (+52.3%) Land $166,009 Building $249,038	$2,414,800 (+38.93%) Land $965,900 Building $1,448,900
2022	$26,968.00	$272,525 Land $54,651 Building $217,874	$1,738,100 Land $372,100 Building $1,366,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of October 14, 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
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 as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
City of Longmont Fiber	10,000 / 10,000
Xfinity Cable	2,000 / 250
Verizon Fixed Wireless	300 / 20
Lumen Technologies DSL · Fiber in parts of the area	140 / 20

May also be available: AT&T, T-Mobile USA.

Based on FCC filings for 559 locations within half a mile of this property.

Drinking Water

Source: EPA Safe Drinking Water Information System 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.