433 Mapleton Ave, Apt A, Boulder, CO 80304 Property Records

Boulder County property record for 433 Mapleton Ave, Apt A, Boulder, CO 80304 · Last verified June 2026

Property Highlights

Property Type	Residential > Condominium / Townhouse > Condominium
Bedrooms	1 Beds
Bathrooms	1 Baths
Year Built	Built 1906
Square Footage	724 sqft Living Area
Lot Size	25 sqft (0.001 acres)
Garage	Detached, 235 sqft
Last Sale	$895,000 (2024)
Tax Bill	$4,852.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1461-25-4-85-006`
Alternative APNs	`R0140898` `0140898`

Interior

Bedrooms	1 Beds
Full Baths	1 Baths
Total Rooms	4 Rooms
Units	3 Units
Building Area	724 sqft Living Area
1st Floor	724 sqft 1st Floor
Stories	1 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1906
Effective Year Built	Effective 1906
Architectural Style	Townhouse Style
Exterior Material	Combination Exterior
Construction Type	Masonry/Concrete Masonry Units (CMUs) Construction
Lot Area	25 sqft (0.001 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Detached Garage
Garage Area	235 sqft Garage

Utilities and HVAC

Heating System	Hot Water Heating

Location & Zoning

Account Number	R0140898
Street Address	433 MAPLETON AVE, A
City	BOULDER
State	CO
Zip	80304-3994
Property Usage	Residential Property Usage
Type	Residential > Condominium / Townhouse > Condominium
Legal Description	UNIT 433A MAPLETON AVENUE CONDOMINIUMS & UND 9.07% INT IN GCE
Legal Range	71
Legal Township	1N
Legal Section	25
Legal Subdivision	MAPLETON AVENUE CONDOMINIUMS - BO
Legal Block	4
Legal Unit	433A
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	4
Census Block	4004
Census Tract	12101

Owner

Source: Boulder County records · APN 1461-25-4-85-006

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 Record	2 Individuals Owners
Mailing Address	433 MAPLETON AVE, A, BOULDER, CO 80304-3994
Owner Type	Owner is an Individual, Couple or Unincorporated Entity
Vesting	Joint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Known Transactions	Last Sale Amount on Jul 02, 2024 Deed Sale Price on Jul 02, 2024 Prior Sale Amount on Apr 10, 2017
Deed Doc Number	20244052447
Prior Transfer Date	Aug 17, 2012
Prior Transfer Doc	0003247361
Record Refreshed	Sep 20, 2026

April 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 10, 2017
Property Address	433 MAPLETON AVE APT A, A, BOULDER, CO 80304-3994
Document Number	0003585363
Instrument Date	Apr 06, 2017
Instrument	3585363
Transaction Type	Transfer
Record Updated	Apr 24, 2017
Title Company	HERITAGE TITLE COMPANY, HERITAGE TITLE CO.

Transaction

Amount	Amount Recorded
Tax	$53.00
Amount Accuracy	Confirmed
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	433 MAPLETON AVE #A BOULDER CO 803043994, A, BOULDER, CO 80304-3994

Tax Assessment & Valuation

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

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Municipality	Boulder City
Unified School District	Boulder 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.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$55,372 (+8.8%) Building $55,372	$814,300 (-) Building $814,300
2025	$4,852.00 (+42.45%)	$50,894 (+19.89%) Building $50,894	$814,300 (+28.53%) Building $814,300
2024	$3,406.00 (+1.76%)
2023	$3,347.00 (-2.96%)	$42,449 (+14.27%) Building $42,449	$633,571 (+18.54%) Building $633,571
2022	$3,449.00	$37,148 Building $37,148	$534,500 Building $534,500