357 Main St, Longmont, CO 80501 Property Records

Boulder County property record for 357 Main St, Longmont, CO 80501

Property Summary

Property TypeMixed Use Store/Office
Details2,500 sqft · built 1900
Lot Size0.071 acres (3,077 sqft)
OwnerCompany Name on Record
Last Sale$225,000 (Sep 2004)
Tax Bill$15,018 (2025)
Flood ZoneZone X (minimal risk)
APN1315-03-3-12-023

Property Details

APN / Parcel Number

Primary APN1315-03-3-12-023
Alternative APNs
  • R0055791
  • 0055791

Interior

Stories1 Story
Building Area2,500 sqft Gross Area
1st Floor Area2,500 sqft

Exterior

Year BuiltBuilt 1900
Effective Year BuiltEffective 1965
Construction TypeBrick
Lot Area3,077 sqft (0.071 acres)

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0055791
Street Address357 MAIN ST
CityLONGMONT
StateCO
Zip80501-5532
Property CategoryCommercial
Property TypeCommercial > Retail > Mixed Use Store/Office
Legal DescriptionLOT 30 BLK 63 LONGMONT O T
Legal Range69
Legal Township2N
Legal Section03
Legal SubdivisionLONGMONT OT
Legal Block63
Legal Lot Number30
JurisdictionBOULDER CO
Township / Civil DivisionLONGMONT
Census Block Group2
Census Block2011
Census Tract13302

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic DistrictWithin the Downtown Longmont Historic District
listed 2017 · 69 contributing resources · NRIS 100001501

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

Source: Boulder County records, as of September 18, 2026

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

Owner of RecordCompany Name on Record
Mailing Address357 MAIN ST, LONGMONT, CO 80501-5532
Owner TypeCompany
VestingCompany

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Last SaleSep 7, 2004 · Amount on Record
Deed SaleSep 7, 2004 · Amount on Record
Prior SaleOct 19, 1999 · Amount on Record
Deed Document Number20042624983
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

TypeName
StateColorado
CountyBoulder County
MunicipalityLongmont City
Unified School DistrictSt. Vrain Valley School District RE 1J (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$127,125 (-7.41%) Land $59,125 Building $68,000$508,500 (-) Land $236,500 Building $272,000
2025$15,018.00 (+5.84%)$137,295 (-2.23%) Land $63,855 Building $73,440$508,500 (+1.03%) Land $236,500 Building $272,000
2024$14,189.00 (+1.23%)
2023$14,017.00 (-7.73%)$140,421 (+2.37%) Land $69,332 Building $71,089$503,300 (+6.41%) Land $248,500 Building $254,800
2022$15,192.00$137,170 Land $47,560 Building $89,610$473,000 Land $164,000 Building $309,000

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies1 in force

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire RiskNot rated
no burnable land within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

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

Water SystemCITY OF LONGMONT
serves 104,178 people · EPA ID CO0107485
Water SourceSurface water
Last State InspectionSep 2025
Lead2 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 488 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
NextLight
Fiber
10,000 / 10,000
Xfinity
Cable
2,000 / 250
Verizon
Fixed Wireless
300 / 20
CenturyLink
DSL · Fiber in parts of the area
140 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: Rise Broadband, TDS Telecom.

Nearby Properties on Main St

Nearby Streets

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