313 Sumner St, Longmont, CO 80501 Property Records

Boulder County property record for 313 Sumner St, Longmont, CO 80501

Property Summary

Property TypeSingle Family Home
Details3 bd · 1.5 ba · 1,840 sqft · built 1947
Lot Size0.15 acres (6,536 sqft)
Owner2 Individual Names on Record
Last Sale$207,000 (Apr 2011)
Tax Bill$3,981 (2025)
Flood ZoneZone X (minimal risk)
APN1315-04-1-26-015

Property Details

APN / Parcel Number

Primary APN1315-04-1-26-015
Alternative APNs
  • R0041878
  • 0041878

Interior

Bedrooms3 Beds
Full Baths1.5 Baths
Half Baths1 Half Bath
Total Rooms7 Rooms
Stories1 Story
Building Area1,840 sqft Living Area
Gross Area2,160 sqft
1st Floor Area1,080 sqft
Basement Area1,080 sqft
Finished Basement760 sqft
Unfinished Basement320 sqft
Interior WallsPlaster

Exterior

Year BuiltBuilt 1947
Effective Year BuiltEffective 1987
Architectural StyleRanch
Exterior MaterialBrick Veneer
Construction TypeBrick
Roof MaterialAsphalt
Lot Area6,536 sqft (0.15 acres)
Garage TypeDetached
Garage Area209 sqft
Parking Spaces2 Parking Spaces
PorchPorch
Porch Area242 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0041878
Street Address313 SUMNER ST
CityLONGMONT
StateCO
Zip80501-4830
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOTS 29-30 BLK 2 CAPITOL HILL
Legal Range69
Legal Township2N
Legal Section04
Legal SubdivisionCAPITOL HILL - LG
Legal Block2
Legal Lot Number29
JurisdictionBOULDER CO
Township / Civil DivisionLONGMONT
Census Block Group4
Census Block4007
Census Tract13302

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 Address313 SUMNER ST, LONGMONT, CO 80501-4830
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleApr 1, 2011 · Amount on Record
Deed SaleApr 1, 2011 · Amount on Record
Prior SaleApr 21, 2006 · Amount on Record
Deed Document Number20113141525
Last Transfer DateMay 19, 2016
Transfer Doc0003520398
Record UpdatedSep 20, 2026

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$41,270 (+8.8%) Land $10,350 Building $30,920$606,900 (-) Land $152,200 Building $454,700
2025$3,981.00 (+12.52%)$37,932 (-7.9%) Land $9,513 Building $28,419$606,900 (-1.27%) Land $152,200 Building $454,700
2023$3,538.00 (+11.26%)$41,185 (+28.15%) Land $10,640 Building $30,545$614,700 (+32.94%) Land $158,800 Building $455,900
2022$3,180.00$32,137 Land $7,833 Building $24,304$462,400 Land $112,700 Building $349,700

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
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies1 in force

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 RiskLow
lower than 98% of the US · lower than 99.2% of Colorado
Wildfire LikelihoodUnder 0.01% annual chance
ExposureNone
beyond 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 252 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
NextLight
Fiber
10,000 / 10,000
Xfinity
Cable
1,200 / 35

May also be available: Verizon.

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