1021 E 4th Ave, Longmont, CO 80504 Property Records

Boulder County property record for 1021 E 4th Ave, Longmont, CO 80504

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 3,638 sqft · built 1977
Lot Size0.537 acres (23,378 sqft)
Owner2 Individual Names on File
Last Sale$252,000 (Jan 2012)
Tax Bill$4,283 (2025)
Deeds & MortgagesJan 2022 Line of Credit
Sep 2021 Mortgage
Flood ZoneZone X (minimal risk)
APN1315-01-3-08-008

Property Details

APN / Parcel Number

Primary APN1315-01-3-08-008
Alternative APNs
  • R0061395
  • 0061395

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths2 Half Baths
Total Rooms10 Rooms
Stories1 Story
Building Area3,638 sqft Living Area
Gross Area4,364 sqft
1st Floor Area2,626 sqft
Basement Area1,220 sqft
Finished Basement1,012 sqft
Unfinished Basement208 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1977
Effective Year BuiltEffective 1983
Architectural StyleRanch
Exterior MaterialBrick Veneer
Construction TypeFrame
Lot Area23,378 sqft (0.537 acres)
Garage TypeAttached
Garage Area518 sqft
Parking Spaces2 Parking Spaces
Deck Area160 sqft
Patio Area240 sqft

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0061395
Street Address1021 E 4TH AVE
CityLONGMONT
StateCO
Zip80504-1301
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 84 FOX HILL
Legal Range69
Legal Township2N
Legal Section01
Legal SubdivisionFOX HILL - LG
Legal Block3
Legal Lot Number84
JurisdictionBOULDER CO
Township / Civil DivisionLONGMONT
Census Block Group3
Census Block3029
Census Tract13402

Owner

1021 E 4th Ave is owned and occupied by two individuals who bought it in January 2012.

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

Owner of Record2 Individual Names on File
Mailing Address1021 E 4TH AVE, LONGMONT, CO 80504-1301
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

DateDocument
Jan 11, 2022Deed of Trust, Mortgage · Line of Credit
THIRD FSLA OF CLEVELAND
Sep 20, 2021Deed of Trust, Mortgage · Conventional Mortgage
NATIONAL BANK OF KANSAS CITY

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleJan 20, 2012 · Amount on File
Deed SaleJan 20, 2012 · Amount on File
Prior SaleOct 27, 1993 · Amount on File
Deed Document Number20123197563
Record UpdatedOct 29, 2026

January 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address1021 E 4TH AVE, LONGMONT, CO 80504-1301
Transaction TypeMortgage
Record UpdatedJan 25, 2022
Title CompanyTITLE 365, TITLE365

Transferred To (Grantee/Buyer)

NameVerified Name
Address1021 E 4TH AVE, LONGMONT, CO 80504-1301

Mortgage

Document Number0003939696
DateJan 11, 2022
Instrument3939696
Lender
NameTHIRD FSLA OF CLEVELAND
TypeBank
AddressCLEVELAND, OH 44105
Agreement
TypeLine of Credit
AmountAmount on Record
Term360 Months
DueDec 31, 2051
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

September 2021: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address1021 E 4TH AVE, LONGMONT, CO 80504-1301
Transaction TypeMortgage
Record UpdatedOct 6, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003914592
DateSep 20, 2021
Instrument3914592
Lender
NameNATIONAL BANK OF KANSAS CITY
TypeBank
AddressKANSAS CITY, MO 64114
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term145 Months
DueOct 1, 2033

Tax Assessment & Valuation

The 2025 property tax bill for 1021 E 4th Ave was $4,283.

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$46,437 (-1.32%) Land $15,864 Building $30,573$752,900 (-) Land $303,300 Building $449,600
2025$4,283.00$47,056 Land $18,956 Building $28,100$752,900 Land $303,300 Building $449,600
2023$3,881.00 (+0.28%)$51,524 (+31.75%) Land $20,804 Building $30,720$769,000 (+36.66%) Land $310,500 Building $458,500
2022$3,870.00$39,108 Land $14,644 Building $24,464$562,700 Land $210,700 Building $352,000

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.

Flood

FEMA maps place 1021 E 4th Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective October 14, 2026

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

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

Wildfire risk around 1021 E 4th Ave is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 99.1% of the US · lower than 99.6% of Colorado
Wildfire LikelihoodUnder 0.01% annual chance
ExposureDirect
burnable vegetation

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 162 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
CenturyLink
DSL
140 / 20

May also be available: T-Mobile, Verizon.

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