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

Boulder County property record for 909 E 4th Ave, Longmont, CO 80504

Property Summary

Property TypeSingle Family Home
Details4 bd · 1.75 ba · 1,968 sqft · built 1974
Lot Size0.197 acres (8,572 sqft)
Owner2 Individual Names on File
Last Sale$70,000 (Aug 1983)
Tax Bill$2,892 (2025)
Deeds & MortgagesOct 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN1315-02-4-15-002

Property Details

APN / Parcel Number

Primary APN1315-02-4-15-002
Alternative APNs
  • R0046035
  • 0046035

Interior

Bedrooms4 Beds
Full Baths1.75 Baths
Half Baths1 Half Bath
Total Rooms10 Rooms
Building Area1,968 sqft Living Area
Gross Area2,208 sqft
1st Floor Area1,118 sqft
Basement Area1,090 sqft
Finished Basement850 sqft
Unfinished Basement240 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1974
Effective Year BuiltEffective 1975
Architectural StyleBi-Level
Exterior MaterialBrick Veneer
Construction TypeFrame
Roof MaterialAsphalt
Lot Area8,572 sqft (0.197 acres)
Garage TypeDetached
Garage Area700 sqft
Parking Spaces2 Parking Spaces
Deck Area42 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0046035
Street Address909 E 4TH AVE
CityLONGMONT
StateCO
Zip80504-6013
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 251 DOLLHOUSE VILLAGE 3
Legal Range69
Legal Township2N
Legal Section02
Legal SubdivisionDOLLHOUSE VILLAGE 3 - LG
Legal Block1
Legal Lot Number251
JurisdictionBOULDER CO
Township / Civil DivisionLONGMONT
Census Block Group1
Census Block1010
Census Tract13402

Owner

Source: Boulder County records · APN 1315-02-4-15-002

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 Record2 Individual Names on File
Mailing Address909 4TH AVE, LONGMONT, CO 80501-5419
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Verified Names on Deed
Last SaleAug 02, 1983 · Amount on Record
Deed SaleAug 02, 1983 · Amount on Record
Prior SaleNov 17, 1978 · Amount on Record
Deed Document Number1983565354
Record UpdatedSep 20, 2026

October 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address909 E 4TH AVE, LONGMONT, CO 80504-6013
Transaction TypeMortgage
Record UpdatedFeb 05, 2021
Title CompanyAMROCK INC

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003822128
DateOct 07, 2020
Instrument3822128
Lender
NameQUICKEN LOANS LLC
TypeMortgage Company
AddressDETROIT, MI 48226
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueNov 01, 2050

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$29,981 (+8.8%) Land $11,832 Building $18,149$440,900 (-) Land $174,000 Building $266,900
2025$2,892.00 (+15.77%)$27,556 (-8.65%) Land $10,875 Building $16,681$440,900 (-2.07%) Land $174,000 Building $266,900
2023$2,498.00 (+11.52%)$30,164 (+33.26%) Land $12,020 Building $18,144$450,200 (+38.23%) Land $179,400 Building $270,800
2022$2,240.00$22,636 Land $8,486 Building $14,150$325,700 Land $122,100 Building $203,600

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 RiskLow
lower than 99.8% of the US · lower than 99.9% of Colorado
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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
2,000 / 250
Lumen Technologies
DSL
140 / 20

May also be available: T-Mobile USA, Verizon.

Based on FCC filings for 162 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.

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