643 Collyer St, Longmont, CO 80501 Property Records

Boulder County property record for 643 Collyer St, Longmont, CO 80501

Property Summary

Property TypeSingle Family Home
Details3 bd · 2 ba · 2,736 sqft · built 1925
Lot Size0.217 acres (9,460 sqft)
OwnerIndividual Name on File
Last Sale$724,000 (Nov 2025)
Tax Bill$3,560 (2025)
Deeds & MortgagesNov 2025 Sale & Mortgage
Dec 2020 Mortgage
+ 2 more
Flood ZoneZone X (minimal risk)
APN1315-03-1-19-023

Property Details

APN / Parcel Number

Primary APN1315-03-1-19-023
Alternative APNs
  • R0040010
  • 0040010

Interior

Bedrooms3 Beds
Full Baths2 Baths
Total Rooms5 Rooms
Stories1 Story
Building Area2,736 sqft Living Area
Gross Area2,980 sqft
1st Floor Area1,368 sqft
Basement Area1,368 sqft
Finished Basement1,368 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1925
Effective Year BuiltEffective 2010
Architectural StyleRanch
Exterior MaterialCombination
Construction TypeMasonry / Concrete Block
Roof MaterialAsphalt
Lot Area9,460 sqft (0.217 acres)
Garage TypeDetached
Garage Area216 sqft
Parking Spaces1 Parking Space
PorchEnclosed Porch
Porch Area244 sqft
Patio Area220 sqft

Utilities, Heating & Cooling

Heating SystemHot Water

Location & Zoning

Account NumberR0040010
Street Address643 COLLYER ST
CityLONGMONT
StateCO
Zip80501-5027
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionS 29.58 FT LOT 7 & N 23.42 FT LOT 8 BLK 25 LONGMONT O T
Legal Range69
Legal Township2N
Legal Section03
Legal SubdivisionLONGMONT OT
Legal Block25
Legal Lot Number7
JurisdictionBOULDER CO
Township / Civil DivisionLONGMONT
Census Block Group3
Census Block3016
Census Tract13401

Owner

643 Collyer St is owned and occupied by an individual who bought it in November 2025.

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

Owner of RecordIndividual Name on File
Mailing Address643 COLLYER ST, LONGMONT, CO 80501-5027
OccupancyOwner Occupied
Owner TypeIndividual

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
Nov 3, 2025Warranty Deed, Transfer · Conventional Mortgage
XPERT HOME LENDING INC
Dec 29, 2020Deed of Trust, Mortgage · Conventional Mortgage
ADAMS BANK & TRUST
Aug 4, 2020Deed of Trust, Mortgage · Line of Credit
WELLS FARGO BANK NA
Jul 2, 2020Quit Claim Deed, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed NamesName on Deed
Last SaleNov 3, 2025 · Amount on File
Deed SaleNov 3, 2025 · Amount on File
Prior SaleMay 30, 2012 · Amount on File
Deed Document Number20254107908
Prior Transfer DateJun 23, 2020
Prior Transfer Doc0003795779
Record UpdatedOct 29, 2026

November 2025: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionBOULDER CO
Recording DateNov 3, 2025
Property Address643 COLLYER ST, LONGMONT, CO 80501-5027
Document Number0004107908
Instrument DateOct 31, 2025
Instrument4107908
Transaction TypeTransfer
Record UpdatedDec 1, 2025
Title CompanyFIDELITY NATIONAL TITLE

Transaction

AmountAmount on Record
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$72.40
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address643 COLLYER ST, LONGMONT, CO 80501-5027

Mortgage

Document Number0004107909
DateNov 3, 2025
Instrument4107909
Lender
NameXPERT HOME LENDING INC
TypeMortgage Company
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term360 Months
DueNov 1, 2055

December 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address643 COLLYER ST, LONGMONT, CO 80501-5027
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyFIDELITY NATIONAL TITLE

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003846120
DateDec 29, 2020
Instrument3846120
Lender
NameADAMS BANK & TRUST
TypeBank
AddressLONGMONT, CO 80501
Agreement
TypeConventional Mortgage
AmountAmount on Record
Term181 Months
DueJan 1, 2036

August 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address643 COLLYER ST, LONGMONT, CO 80501-5027
Transaction TypeMortgage
Record UpdatedFeb 5, 2021
Title CompanyTITLE365 OMAHA

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003804196
DateAug 4, 2020
Instrument3804196
Lender
NameWELLS FARGO BANK NA
TypeBank
AddressSIOUX FALLS, SD 57104
Agreement
TypeLine of Credit
AmountAmount on Record
Term359 Months
DueJul 17, 2050

July 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionBOULDER CO
Recording DateJul 2, 2020
Property Address643 COLLYER ST, LONGMONT, CO 80501-5027
Document Number0003795779
Instrument DateJun 23, 2020
Instrument3795779
Transaction TypeTransfer
Record UpdatedAug 21, 2020
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Intrafamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address643 COLLYER ST LONGMONT CO 805015027, LONGMONT, CO 80501-5027

Tax Assessment & Valuation

The 2025 property tax bill for 643 Collyer St was $3,560, up 10.7% from the year before.

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$41,732 (+3.91%) Land $4,590 Building $37,142$681,900 (+6.12%) Land $135,700 Building $546,200
2025$3,560.00 (+10.7%)$40,162 (-0.39%) Land $8,481 Building $31,681$642,600 (-2.16%) Land $135,700 Building $506,900
2024$3,216.00 (-15.46%)$40,321 (-8.37%) Land $5,682 Building $34,639$656,800 (-) Land $139,800 Building $517,000
2023$3,804.00 (+20.38%)$44,006 (+37.8%) Land $9,367 Building $34,639$656,800 (+42.94%) Land $139,800 Building $517,000
2022$3,160.00$31,935 Land $6,804 Building $25,131$459,500 Land $97,900 Building $361,600

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 643 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

The area around 643 Collyer St has no burnable land within ember reach, so its wildfire risk is not rated.

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 508 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
CenturyLink
DSL
140 / 20

May also be available: Rise Broadband, T-Mobile, Verizon.

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