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

Boulder County property record for 501 E 4th Ave, Longmont, CO 80504

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 1,986 sqft · built 1971
Lot Size0.187 acres (8,143 sqft)
OwnerIndividual Name on File
Last Sale$135,000 (Jun 2012)
Tax Bill$2,350 (2025)
Flood ZoneZone X (minimal risk)
APN1315-02-4-11-009

Property Details

APN / Parcel Number

Primary APN1315-02-4-11-009
Alternative APNs
  • R0041464
  • 0041464

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Stories1 Story
Building Area1,986 sqft Living Area
Gross Area2,450 sqft
1st Floor Area1,075 sqft
Basement Area1,075 sqft
Finished Basement911 sqft
Unfinished Basement164 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1971
Effective Year BuiltEffective 1976
Architectural StyleRanch
Exterior MaterialBrick Veneer
Construction TypeMasonry / Concrete Block
Roof MaterialAsphalt
Lot Area8,143 sqft (0.187 acres)
Garage TypeAttached
Garage Area300 sqft
Parking Spaces1 Parking Space
Patio Area216 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0041464
Street Address501 E 4TH AVE
CityLONGMONT
StateCO
Zip80504-6007
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 104 DOLLHOUSE VILLAGE 1
Legal Range69
Legal Township2N
Legal Section02
Legal SubdivisionDOLLHOUSE VILLAGE 1 - LG
Legal Block1
Legal Lot Number104
JurisdictionBOULDER CO
Township / Civil DivisionLONGMONT
Census Block Group1
Census Block1010
Census Tract13402

Owner

Source: Boulder County records · APN 1315-02-4-11-009

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 RecordIndividual Name on File
Mailing Address501 4TH AVE, LONGMONT, CO 80501-5509
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleJun 26, 2012 · Amount on Record
Deed SaleJun 26, 2012 · Amount on Record
Prior SaleNov 30, 2011
Deed Document Number20123232180
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026

Property Jurisdictions

TypeName
StateColorado
CountyBoulder County
MunicipalityLongmont City
Unified School DistrictSt. 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.

YearTax BillAssessed ValueAssessed Market Value
2026$24,365 (+8.8%) Land $11,533 Building $12,832$358,300 (-) Land $169,600 Building $188,700
2025$2,350.00 (+37.91%)$22,394 (+2.94%) Land $10,600 Building $11,794$358,300 (+10.35%) Land $169,600 Building $188,700
2023$1,704.00 (+10.36%)$21,755 (+39.37%) Land $11,712 Building $10,043$324,700 (+44.57%) Land $174,800 Building $149,900
2022$1,544.00$15,610 Land $8,271 Building $7,339$224,600 Land $119,000 Building $105,600

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 ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it

Wildfire

Wildfire RiskNot 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

ProviderMax Down / Up (Mbps)
City of Longmont
Fiber
10,000 / 10,000
Xfinity
Cable
1,200 / 35
Verizon
Fixed Wireless
300 / 20
Lumen Technologies
DSL
140 / 20

May also be available: JAB Wireless, TDS Telecom.

Based on FCC filings for 696 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 SystemCITY OF LONGMONT
serves 104,178 people
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 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.

Nearby Properties on E 4th Ave

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