651 12th St, Boulder, CO 80302 Property Records

Boulder County property record for 651 12th St, Boulder, CO 80302 · Last verified June 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms4 Beds
Bathrooms2.5 Baths
Year BuiltBuilt 1990
Square Footage3,215 sqft Living Area
Lot Size10,232 sqft (0.235 acres)
OccupancyOwner Occupied
Last Sale$755,000 (1998)
Tax Bill$12,829.00 (2025)

Property Details

APN / Parcel Number

Primary APN1577-06-2-21-002
Alternative APNs
  • R0002048
  • 0002048

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Partial Baths1 Partial Baths
Total Rooms8 Rooms
Building Area3,215 sqft Living Area
Gross Area3,671 sqft Gross Area
1st Floor2,600 sqft 1st Floor
Upper Floors615 sqft Upper Floors
Stories2 Stories
Interior StructureWallboard/Drywall Interior Structure

Exterior

Year BuiltBuilt 1947
Effective Year BuiltEffective 1990
Architectural StyleA-Frame Style
Exterior MaterialCombination Exterior
Construction TypeMasonry/Concrete Masonry Units (CMUs) Construction
Lot Area10,232 sqft (0.235 acres)
Parking Spaces2 Parking Spaces
Garage TypeAttached Garage
Garage Area456 sqft Garage
Deck Area96 sqft Deck
PorchPorch
Porch Area119 sqft Porch

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemForced Air with Air Conditioning Heating

Location & Zoning

Account NumberR0002048
Street Address651 12TH ST
CityBOULDER
StateCO
Zip80302-7516
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionLOTS 5 & 6 & 10 FT STRP ADJ ON W BLK 1 WELLINGTON HEIGHTS
Legal Range70
Legal Township1S
Legal Section06
Legal SubdivisionWELLINGTON HEIGHTS - BO
Legal Tract7
Legal Block1
Legal Lot Number5
JurisdictionBOULDER CO
Minor Civil DivisionBOULDER
Census Blockgroup3
Census Block3004
Census Tract12505

Owner

Source: Boulder County records · APN 1577-06-2-21-002

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 Address651 12TH ST, BOULDER, CO 80302-7516
OccupancyOwner Occupied
Owner TypeOwner is a Company
VestingOwner is a Trust, Revocable Trust

Deeds, Mortgages & Sale History

DateDocument
Mar 20, 2020Deed of Trust, Mortgage · Conventional Mortgage
FIFTH THIRD BANK NA
Aug 27, 2020Deed of Trust, Mortgage · Line of Credit
FIRST NATIONAL BANK OF OMAHA

Assessor's Deed Record

Deed NamesVerified Name on Deed
Known Transactions
  • Last Sale Amount on Jun 30, 1998
  • Deed Sale Price on Jun 30, 1998
  • Prior Sale Amount on Sep 04, 1987
Deed Doc Number19981818335
Last Transfer DateMar 22, 2013
Transfer Doc0003317706
Record RefreshedSep 20, 2026

March 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address651 12TH ST, BOULDER, CO 80302-7516
Transaction TypeMortgage
Record UpdatedFeb 05, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003773290
DateMar 20, 2020
Instrument3773290
Lender
NameFIFTH THIRD BANK NA
TypeBank
AddressCINCINNATI, OH 45227
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term181 Months
DueApr 01, 2035

August 2020: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address651 12TH ST, BOULDER, CO 80302-7516
Transaction TypeMortgage
Record UpdatedFeb 05, 2021

Transferred To (Grantee/Buyer)

NameVerified Name

Mortgage

Document Number0003810664
DateAug 27, 2020
Instrument3810664
Lender
NameFIRST NATIONAL BANK OF OMAHA
TypeBank
AddressOMAHA, NE 68197
Agreement
TypeLine of Credit
AmountAmount Recorded
Term359 Months
DueJul 29, 2050
Interest
Rate TypeAdjustable Rate
Change FrequencyMonthly (Revolving credit lines are monthly unless stated otherwise).

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026

Property Jurisdictions

TypeName
StateColorado
CountyBoulder County
MunicipalityBoulder City
Unified School DistrictBoulder Valley School District RE-2 (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$153,197 (+8.8%) Land $122,400 Building $30,797$2,252,900 (-) Land $1,800,000 Building $452,900
2025$12,829.00 (-12.19%)$140,806 (-18.55%) Land $112,500 Building $28,306$2,252,900 (-12.69%) Land $1,800,000 Building $452,900
2023$14,610.00 (+12.32%)$172,873 (+23.42%) Land $116,064 Building $56,809$2,580,200 (+28.02%) Land $1,732,300 Building $847,900
2022$13,007.00$140,071 Land $97,926 Building $42,145$2,015,400 Land $1,409,000 Building $606,400

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