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1640 4th St, Boulder, CO 80302 Property Records

Boulder County property record for 1640 4th St, Boulder, CO 80302 · Last verified August 2026

Property Highlights

Property TypeResidential > Single Family > Home
Bedrooms3 Beds
Bathrooms2.25 Baths
Year BuiltBuilt 2022
Square Footage4,670 sqft Living Area
Lot Size8,221 sqft (0.189 acres)
OccupancyOwner Occupied
Last Sale$1,081,250 (2021)
Tax Bill$18,438.00 (2025)

Property Details

APN / Parcel Number

Primary APN1461-36-1-03-026
Alternative APNs
  • R0008058
  • 0008058

Interior

Bedrooms3 Beds
Full Baths2.25 Baths
Partial Baths2 Partial Baths
Total Rooms10 Rooms
Building Area4,670 sqft Living Area
Gross Area5,318 sqft Gross Area
1st Floor1,607 sqft 1st Floor
Basement Area1,363 sqft Basement
Finished Basement1,210 sqft Finished
Unfinished Basement153 sqft Unfinished
Stories1 Stories
Interior StructureWallboard/Drywall Interior Structure

Exterior

Year BuiltBuilt 2022
Effective Year BuiltEffective 2022
Architectural StyleRanch Style
Exterior MaterialCombination Exterior
Construction TypeFrame Construction
Roof MaterialOther (not Classified) Roof
Lot Area8,221 sqft (0.189 acres)
Garage TypeAttached Garage
Garage Area495 sqft Garage
Patio Area288 sqft Patio
PorchPorch
Porch Area56 sqft Porch

Utilities and HVAC

Cooling SystemCentral Cooling
Heating SystemForced Air with Air Conditioning Heating

Location & Zoning

Account NumberR0008058
Street Address1640 4TH ST
CityBOULDER
StateCO
Zip80302-5809
Property UsageResidential Property Usage
TypeResidential > Single Family > Home
Legal DescriptionW 84.21 FT OF S 102 FT OF N 215 FT LOT 6 BLK C HIGHLAND LAWN BOOK 1222 PAGE 370 BCR
Legal Range71
Legal Township1N
Legal Section36
Legal SubdivisionHIGHLAND LAWN - BO
Legal BlockC
Legal Lot Number6
JurisdictionBOULDER CO
Minor Civil DivisionBOULDER
Census Blockgroup2
Census Block2004
Census Tract12201

Owner

Source: Boulder County records · APN 1461-36-1-03-026

Assessment roll updated June 15, 2026 · Last verified August 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 Address1640 4TH ST, BOULDER, CO 80302-5809
OccupancyOwner Occupied
Owner TypeOwner is a Company
VestingOwner is a Trust, Family Trust

Deeds, Mortgages & Sale History

DateDocument
Jul 25, 2022Deed of Trust, Mortgage · Building or Construction Mortgage
ALPINE BANK
Apr 28, 2021Warranty Deed, Transfer
LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY
Feb 04, 2020Quit Claim Deed, Transfer
NOT AVAILABLE

Assessor's Deed Record

Deed NamesVerified Name on Deed
Known Transactions
  • Last Sale Amount on Apr 28, 2021
  • Deed Sale Price on Apr 28, 2021
  • Nov 16, 1977
Deed Doc Number20213880949
Last Transfer DateMay 01, 2024
Transfer Doc0004046468
Record RefreshedSep 20, 2026

July 2022: Deed of Trust, Mortgage

Document TypeDeed of Trust
JurisdictionBOULDER CO
Property Address1640 4TH ST, BOULDER, CO 80302-5809
Transaction TypeMortgage
Record UpdatedFeb 27, 2024

Transferred To (Grantee/Buyer)

NameVerified Name
Address881 14TH ST, BOULDER, CO 80302-7619
InvestorPossibly a Property Investor

Mortgage

Document Number0003973338
DateJul 25, 2022
Instrument3973338
Lender
NameALPINE BANK
TypeBank
AddressRIFLE, CO 81650
Agreement
TypeBuilding or Construction Mortgage
AmountAmount Recorded

April 2021: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionBOULDER CO
Recording DateApr 28, 2021
Property Address1640 4TH ST, BOULDER, CO 80302-5809
Document Number0003880949
Instrument DateApr 28, 2021
Instrument3880949
Transaction TypeTransfer
Record UpdatedFeb 27, 2024
Title CompanyLAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY

Transaction

AmountAmount Recorded
Tax$108.13
Amount AccuracyFull Amount Stated
Additional
  • Arms Length Transaction

Transferred From (Grantor/Seller)

NameVerified Name
Address1640 4TH ST, BOULDER, CO 80302-5809

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address1640 4TH ST, BOULDER, CO 80302-5809
InvestorPossibly a Property Investor

February 2020: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionBOULDER CO
Recording DateFeb 04, 2020
Property Address1640 4TH ST, BOULDER, CO 80302-5809
Document Number0003764155
Instrument DateJan 22, 2020
Instrument3764155
Transaction TypeTransfer
Record UpdatedFeb 20, 2020
Title CompanyNOT AVAILABLE

Transaction

Tax$0.00
Additional
  • Quitclaim Document
  • Interfamily Transfer

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipLiving Trust
Address265 MOLINE ST AURORA CO 800104704, AURORA, CO 80010-4704

Tax Assessment & Valuation

Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified August 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$210,392 (+8.8%) Land $81,845 Building $128,547$3,094,000 (-) Land $1,203,600 Building $1,890,400
2025$18,438.00 (+156.83%)$193,375 (+122.73%) Land $75,225 Building $118,150$3,094,000 (+138.76%) Land $1,203,600 Building $1,890,400
2023$7,179.00 (-3.34%)$86,822 (+10.79%) Land $77,144 Building $9,678$1,295,850 (+12.45%) Land $1,151,400 Building $144,450
2022$7,427.00$78,363 Land $63,451 Building $14,912$1,152,400 Land $933,100 Building $219,300

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