339 17th Ave, Longmont, CO 80501 Property Records

Boulder County property record for 339 17th Ave, Longmont, CO 80501

Property Summary

Property TypeSingle Family Home
Details2 bd · 1 ba · 884 sqft · built 1910
Lot Size0.28 acres (12,188 sqft)
OwnerIndividual Name on File
Tax Bill$2,535 (2025)
Deeds & MortgagesDec 2022 Transfer
Flood ZoneZone X (moderate risk)
APN1205-34-1-06-005

Property Details

APN / Parcel Number

Primary APN1205-34-1-06-005
Alternative APNs
  • R0041981
  • 0041981

Interior

Bedrooms2 Beds
Full Baths1 Bath
Total Rooms4 Rooms
Stories1 Story
Building Area884 sqft Living Area
1st Floor Area884 sqft
Interior WallsPlaster

Exterior

Year BuiltBuilt 1910
Effective Year BuiltEffective 1910
Architectural StyleRanch
Exterior MaterialWood Shingle
Construction TypeFrame
Lot Area12,188 sqft (0.28 acres)
Garage TypeDetached
Garage Area460 sqft
Parking Spaces2 Parking Spaces
PorchPorch
Porch Area60 sqft
Patio Area102 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0041981
Street Address339 17TH AVE
CityLONGMONT
StateCO
Zip80501-2806
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOTS 6-7 & N 5 FT LOT 8 BLK 5 HAMILTON HEIGHTS
Legal Range69
Legal Township3N
Legal Section27
Legal SubdivisionHAMILTON HEIGHTS - LG
Legal Block5
Legal Lot Number6
JurisdictionBOULDER CO
Township / Civil DivisionLONGMONT
Census Block Group2
Census Block2006
Census Tract13503

Owner

Source: Boulder County assessment roll, APN 1205-34-1-06-005, as of June 15, 2026 · Last verified August 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 Address339 17TH AVE, LONGMONT, CO 80501-2806
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleMay 04, 1971
Deed SaleMay 04, 1971
Deed Document Number1971974671
Last Transfer DateDec 09, 2022
Transfer Doc0003991876
Record UpdatedSep 20, 2026

December 2022: Intrafamily Transfer, Transfer

Document TypeIntrafamily Transfer
JurisdictionBOULDER CO
Recording DateDec 13, 2022
Property Address339 17TH AVE, LONGMONT, CO 80501-2806
Document Number0003991876
Instrument DateDec 09, 2022
Instrument3991876
Transaction TypeTransfer
Record UpdatedDec 20, 2022
Title CompanyLAND TITLE GUARANTEE

Transaction

Tax$0.00
Amount AccuracyNo Consideration Stated
Additional
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name
Address339 17TH AVE, LONGMONT, CO 80501-2806

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address339 17TH AVE, LONGMONT, CO 80501-2806

Tax Assessment & Valuation

Source: Boulder County assessment roll as of June 15, 2026 · Last verified August 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 and are not market price estimates.

YearTax BillAssessed ValueAssessed Market Value
2026$26,282 (+8.8%) Land $10,295 Building $15,987$386,500 (-) Land $151,400 Building $235,100
2025$2,535.00 (+22.7%)$24,157 (-4.49%) Land $9,463 Building $14,694$386,500 (+2.38%) Land $151,400 Building $235,100
2024$2,066.00 (+1.37%)
2023$2,038.00 (+4.57%)$25,292 (+28.37%) Land $10,425 Building $14,867$377,500 (+33.16%) Land $155,600 Building $221,900
2022$1,949.00$19,703 Land $7,631 Building $12,072$283,500 Land $109,800 Building $173,700

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), as of October 14, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
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, 559 locations within half a mile, 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
Verizon
Fixed Wireless
300 / 20
Lumen Technologies
DSL · Fiber in parts of the area
140 / 20

May also be available: AT&T, T-Mobile USA.

Drinking Water

Source: EPA Safe Drinking Water Information System, water system CO0107485, 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 17th Ave

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