510 Collyer St, Longmont, CO 80501 Property Records

Boulder County property record for 510 Collyer St, Longmont, CO 80501

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 1,215 sqft · built 1910
Lot Size0.174 acres (7,593 sqft)
Owner2 Individual Names on File
Last Sale$235,500 (Aug 2011)
Tax Bill$4,013 (2025)
Deeds & MortgagesFeb 2023 Line of Credit
Mar 2017 Mortgage
Flood ZoneZone X (minimal risk)
APN1315-03-1-25-011

Property Details

APN / Parcel Number

Primary APN1315-03-1-25-011
Alternative APNs
  • R0040071
  • 0040071

Interior

Bedrooms3 Beds
Full Baths1 Bath
Total Rooms4 Rooms
Stories1 Story
Building Area1,215 sqft Living Area
Gross Area1,299 sqft
1st Floor Area1,215 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1910
Effective Year BuiltEffective 1999
Architectural StyleRanch
Exterior MaterialWood Shingle
Construction TypeFrame
Roof MaterialAsphalt
Lot Area7,593 sqft (0.174 acres)
Garage TypeDetached
Garage Area288 sqft
Parking Spaces1 Parking Space
PorchEnclosed Porch
Porch Area390 sqft

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0040071
Street Address510 COLLYER ST
CityLONGMONT
StateCO
Zip80501-5543
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionN 1/2 LOT 5 BLK 43 LONGMONT OT
Legal Range69
Legal Township2N
Legal Section03
Legal SubdivisionLONGMONT OT
Legal Block43
Legal Lot Number5
JurisdictionBOULDER CO
Township / Civil DivisionLONGMONT
Census Block Group3
Census Block3022
Census Tract13401

Historic Designation

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

Historic DistrictWithin the East Side Historic District
listed 1986 · 67 contributing resources · NRIS 86002812

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

510 Collyer St is owned and occupied by two individuals who bought it in August 2011.

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

Owner of Record2 Individual Names on File
Mailing Address510 COLLYER ST, LONGMONT, CO 80501-5543
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
Feb 15, 2023Deed of Trust, Mortgage · Line of Credit
ELEVATIONS CU
Mar 29, 2017Deed of Trust, Mortgage · Conventional Mortgage
ELEVATIONS CU

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleAug 23, 2011 · Amount on File
Deed SaleAug 23, 2011 · Amount on File
Prior SaleMar 10, 2004 · Amount on File
Deed Document Number20113166709
Record UpdatedOct 29, 2026

February 2023: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address510 COLLYER ST, LONGMONT, CO 80501-5543
Transaction TypeMortgage
Record UpdatedFeb 23, 2023

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003997447
DateFeb 15, 2023
Instrument3997447
Lender
NameELEVATIONS CU
TypeCredit Union
AddressBOULDER, CO 80301
Agreement
TypeLine of Credit
AmountAmount on Record
Term240 Months
DueFeb 14, 2043
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly

March 2017: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address510 COLLYER ST, LONGMONT, CO 80501-5543
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyASCENDANT TITLE CO

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003583203
DateMar 29, 2017
Instrument3583203
Lender
NameELEVATIONS CU
TypeCredit Union
AddressBOULDER, CO 80301
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term181 Months
DueApr 1, 2032

Tax Assessment & Valuation

The 2025 property tax bill for 510 Collyer St was $4,013.

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$37,436 (-2.08%) Land $5,673 Building $31,763$611,700 (-) Land $144,600 Building $467,100
2025$4,013.00$38,232 Land $9,038 Building $29,194$611,700 Land $144,600 Building $467,100
2023$3,428.00 (+12.54%)$40,019 (+29.98%) Land $9,521 Building $30,498$597,300 (+34.83%) Land $142,100 Building $455,200
2022$3,046.00$30,789 Land $7,117 Building $23,672$443,000 Land $102,400 Building $340,600

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 510 Collyer St 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 510 Collyer St 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 98% of the US · lower than 99.2% 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 488 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 · Fiber in parts of the area
140 / 20
T-Mobile
Fixed Wireless
100 / 20

May also be available: Rise Broadband, TDS Telecom.

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