1237 3rd Ave, Longmont, CO 80501 Property Records

Boulder County property record for 1237 3rd Ave, Longmont, CO 80501

Property Summary

Property TypeSingle Family Home
Details7 bd · 3.25 ba · 6,056 sqft · built 1906
Lot Size0.256 acres (11,129 sqft)
Owner2 Individual Names on Record
Last Sale$410,000 (Mar 2012)
Tax Bill$8,563 (2025)
Deeds & MortgagesApr 2020 Mortgage
Flood ZoneZone X (minimal risk)
APN1315-04-4-04-001

Property Details

APN / Parcel Number

Primary APN1315-04-4-04-001
Alternative APNs
  • R0042022
  • 0042022

Interior

Bedrooms7 Beds
Full Baths3.25 Baths
Half Baths2 Half Baths
Total Rooms14 Rooms
Stories2 Stories
Building Area6,056 sqft Living Area
1st Floor Area1,786 sqft
Upper Floors Area1,066 sqft
Basement Area1,602 sqft
Finished Basement1,602 sqft
Interior WallsPlaster

Exterior

Year BuiltBuilt 1906
Effective Year BuiltEffective 1986
Exterior MaterialBrick Veneer
Construction TypeMasonry / Concrete Block
Roof MaterialAsphalt
Lot Area11,129 sqft (0.256 acres)
Garage TypeDetached
Garage Area234 sqft
Parking Spaces1 Parking Space
PorchPorch
Porch Area280 sqft
Deck Area195 sqft

Utilities, Heating & Cooling

Heating SystemHot Water

Location & Zoning

Account NumberR0042022
Street Address1237 3RD AVE
CityLONGMONT
StateCO
Zip80501-5300
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionE 80 FT OF LOT 1 & E 80 FT OF N 50 FT OF LOT 2 BLK 2 COFFMANS 1
Legal Range69
Legal Township2N
Legal Section04
Legal SubdivisionCOFFMANS 1 - LG
Legal Block2
Legal Lot Number1
JurisdictionBOULDER CO
Township / Civil DivisionLONGMONT
Census Block Group3
Census Block3008
Census Tract13302

Historic Designation

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

Historic DistrictWithin the West Side Historic District
listed 1987 · 117 contributing resources · NRIS 86002846

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 June 15, 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 Record
Mailing Address1237 3RD AVE, LONGMONT, CO 80501-5300
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMar 5, 2012 · Amount on Record
Deed SaleMar 5, 2012 · Amount on Record
Prior SaleNov 8, 2011
Deed Document Number20123207216
Prior Transfer DateJun 19, 2001
Prior Transfer Doc0002166308
Record UpdatedSep 20, 2026

April 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address1237 3RD AVE, LONGMONT, CO 80501-5300
Transaction TypeMortgage
Record UpdatedJul 26, 2022

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003779420
DateApr 24, 2020
Instrument3779420
Lender
NameAMERISAVE MORTGAGE CORP
TypeMortgage Company
AddressATLANTA, GA 30305
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term181 Months
DueMay 1, 2035

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of June 15, 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$88,753 (+8.8%) Land $14,368 Building $74,385$1,305,200 (-) Land $211,300 Building $1,093,900
2025$8,563.00 (+33.84%)$81,575 (+14.1%) Land $13,206 Building $68,369$1,305,200 (+22.31%) Land $211,300 Building $1,093,900
2023$6,398.00 (+7.37%)$71,496 (+18.72%) Land $14,586 Building $56,910$1,067,100 (+23.15%) Land $217,700 Building $849,400
2022$5,959.00$60,222 Land $10,474 Building $49,748$866,500 Land $150,700 Building $715,800

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

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
Flood Insurance CostPremium on Record
median of 37 policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies37 in force
Nearby Flood Claims13 (2013)
Most Recent ClaimSep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 13 claims

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 689 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
140 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: Rise Broadband.

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