231 Sumner St, Longmont, CO 80501 Property Records

Boulder County property record for 231 Sumner St, Longmont, CO 80501 · Last verified June 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms4 Beds
Bathrooms1.75 Baths
Year BuiltBuilt 1973
Square Footage1,542 sqft Living Area
Lot Size4,461 sqft (0.102 acres)
OccupancyOwner Occupied
Last Sale$650,000 (2026)
Tax Bill$3,214.00 (2025)

Property Details

APN / Parcel Number

Primary APN1315-04-4-11-006
Alternative APNs
  • R0040672
  • 0040672

Interior

Bedrooms4 Beds
Full Baths1.75 Baths
Partial Baths1 Partial Baths
Total Rooms8 Rooms
Building Area1,542 sqft Living Area
1st Floor771 sqft 1st Floor
Basement Area771 sqft Basement
Finished Basement231 sqft Finished
Unfinished Basement540 sqft Unfinished
Stories1 Stories
Interior StructurePlaster Interior Structure

Exterior

Year BuiltBuilt 1922
Effective Year BuiltEffective 1973
Architectural StyleRanch Style
Exterior MaterialWood Shingle Exterior
Construction TypeFrame Construction
Roof MaterialAsphalt Roof
Lot Area4,461 sqft (0.102 acres)

Utilities and HVAC

Heating SystemForced Air with Air Conditioning Heating

Location & Zoning

Account NumberR0040672
Street Address231 SUMNER ST
CityLONGMONT
StateCO
Zip80501-4863
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionS 50 FT LOT 1 & N 12 FT LOT 4 BLK 7 R-S RESUB BLK 9 W 1/2 BLK 7 KENT & DAVIS ADDN TO LONGMONT
Legal Range69
Legal Township2N
Legal Section04
Legal SubdivisionR & S RESUB - LG
Legal Block7,9
Legal Lot Number4
JurisdictionBOULDER CO
Minor Civil DivisionLONGMONT
Census Blockgroup4
Census Block4018
Census Tract13302

Owner

Source: Boulder County records · APN 1315-04-4-11-006

Assessment roll updated June 15, 2026 · Last verified June 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Owner on File
Mailing Address231 SUMNER ST, LONGMONT, CO 80501-4863
OccupancyOwner Occupied
Owner TypeOwner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

DateDocument
Apr 28, 2026Warranty Deed, Transfer · Conventional Mortgage
NATIONAL HOME MORTGAGE CORPORATION
Jan 11, 2023Special Warranty Deed, Transfer · Federal Housing Administration (FHA) Mortgage
CMG MORTGAGE INC
Feb 21, 2020Warranty Deed, Transfer · Building or Construction Mortgage
FINANCE OF AMERICA COM'L LLC

Assessor's Deed Record

Deed NamesVerified Name on Deed
Known Transactions
  • Last Sale Amount on Apr 28, 2026
  • Deed Sale Price on Apr 28, 2026
  • Prior Sale Amount on Jan 11, 2023
Deed Doc Number20264129673
Record RefreshedSep 20, 2026

April 2026: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionBOULDER CO
Recording DateApr 28, 2026
Property Address231 SUMNER ST, LONGMONT, CO 80501-4863
Document Number0004129673
Instrument DateApr 24, 2026
Instrument2026.4129673
Transaction TypeTransfer
Record UpdatedMay 08, 2026
Title CompanyLAND TITLE

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$6,565.00
Amount AccuracyCalculated from Tax (Full/Partial Unknown)
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address231 SUMNER ST, LONGMONT, CO 80501-4863

Mortgage

Document Number0004129674,
DateApr 28, 2026
Instrument2026..4129674
Lender
NameNATIONAL HOME MORTGAGE CORPORATION
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term240 Months
DueMay 01, 2046
Interest
Rate TypeFixed Rate
Rate6.11%
Initial TypeFixed Rate
Max Rate-1%

January 2023: Special Warranty Deed, Transfer

Document TypeSpecial Warranty Deed
JurisdictionBOULDER CO
Recording DateJan 11, 2023
Property Address231 SUMNER ST, LONGMONT, CO 80501-4863
Document Number0003994377
Instrument DateJan 09, 2023
Instrument3994377
Transaction TypeTransfer
Record UpdatedJan 17, 2023
Title CompanyLAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$57.00
Amount AccuracyFull Amount Stated
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name
Address1298 MAIN ST # 4131, 4131, WINDSOR, CO 80550-7904

Transferred To (Grantee/Buyer)

NameVerified Name
Address231 SUMNER ST, LONGMONT, CO 80501-4863

Mortgage

Document Number0003994378
DateJan 11, 2023
Instrument3994378
Lender
NameCMG MORTGAGE INC
TypeMortgage Company
Agreement
TypeFederal Housing Administration (FHA) Mortgage
AmountAmount Recorded
Term361 Months
DueFeb 01, 2053
Interest
Rate TypeAdjustable Rate
Rate5.25%
AdjustableDocument includes a rider for adjustable-rate mortgage with a specific rate change date.
Type Change DateFeb 01, 2033
Change Frequency7 Years
Min Rate At Change3%
Max Rate At Change10.2%
IndexOther
Margin3
Max Rate10.2%

February 2020: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionBOULDER CO
Recording DateFeb 21, 2020
Property Address231 SUMNER ST, LONGMONT, CO 80501-4863
Document Number0003767487
Instrument DateFeb 20, 2020
Instrument3767487
Transaction TypeTransfer
Record UpdatedMar 06, 2020
Title CompanyLAND TITLE GUARANTEE

Transaction

AmountAmount Recorded
Loan-to-Value (LTV)LTV on Record
Tax$29.00
Amount AccuracyConfirmed
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipCompany
Address1298 MAIN ST #4131 WINDSOR CO 805507904, 4131, WINDSOR, CO 80550-7904

Mortgage

Document Number3767488
DateFeb 21, 2020
Instrument3767488
Lender
NameFINANCE OF AMERICA COM'L LLC
AddressLISLE, IL 60532
Agreement
TypeBuilding or Construction Mortgage
AmountAmount Recorded
Term12 Months
DueFeb 20, 2021

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 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, not market price estimates; both are a fraction of this property's market value.

YearTax BillAssessed ValueAssessed Market Value
2026$33,320 (+8.8%) Land $8,548 Building $24,772$490,000 (-) Land $125,700 Building $364,300
2025$3,214.00 (+4.32%)$30,625 (-14.69%) Land $7,856 Building $22,769$490,000 (-8.55%) Land $125,700 Building $364,300
2024$3,081.00 (+1.38%)
2023$3,039.00 (+24.96%)$35,898 (+46.03%) Land $8,790 Building $27,108$535,800 (+51.48%) Land $131,200 Building $404,600
2022$2,432.00$24,582 Land $6,422 Building $18,160$353,700 Land $92,400 Building $261,300

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