1821 Mapleton Ave, Boulder, CO 80304 Property Records

Boulder County property record for 1821 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	2 Beds
Bathrooms	2.5 Baths
Year Built	Built 1995
Square Footage	1,781 sqft Living Area
Lot Size	7,679 sqft (0.176 acres)
Occupancy	Owner Occupied
Last Sale	$273,700 (2005)
Tax Bill	$10,932.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1463-30-2-28-007`
Alternative APNs	`R0004252` `0004252`

Interior

Bedrooms	2 Beds
Full Baths	2.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	9 Rooms
Building Area	1,781 sqft Living Area
Gross Area	2,021 sqft Gross Area
1st Floor	1,614 sqft 1st Floor
Upper Floors	167 sqft Upper Floors
Stories	1 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1925
Effective Year Built	Effective 1995
Architectural Style	Ranch Style
Exterior Material	Wood Shingle Exterior
Construction Type	Frame Construction
Roof Material	Asphalt Roof
Lot Area	7,679 sqft (0.176 acres)
Garage Type	Detached Garage
Garage Area	220 sqft Garage
Total Buildings	2 Total Buildings
Porch	Enclosed Porch
Porch Area	360 sqft Porch

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0004252
Street Address	1821 MAPLETON AVE
City	BOULDER
State	CO
Zip	80304-4265
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 8 BLK 23 BOULDER NORTH & LOT 9 BLK 179 BOULDER EAST O T
Legal Range	70
Legal Township	1N
Legal Section	30
Legal Subdivision	BOULDER O T EAST & WEST & NORTH - BO
Legal Block	23,17
Legal Lot Number	8
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	1
Census Block	1013
Census Tract	12106

Owner

Source: Boulder County records · APN 1463-30-2-28-007

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	1821 MAPLETON AVE, BOULDER, CO 80304-4265
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Known Transactions	Last Sale Amount on Aug 19, 2005 Deed Sale Price on Aug 19, 2005 Prior Sale Amount on Aug 05, 2005
Deed Doc Number	20052714967
Record Refreshed	Sep 20, 2026

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	1821 MAPLETON AVE, BOULDER, CO 80304-4265
Transaction Type	Mortgage
Record Updated	Jul 26, 2022
Title Company	TITLE365

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003734269
Date	Sep 04, 2019
Instrument	3734269

Lender

Name	WELLS FARGO BANK NA
Type	Bank
Address	SIOUX FALLS, SD 57104

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	360 Months
Due	Sep 24, 2049

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		$123,822 (+8.8%) Land $76,473 Building $47,349	$1,820,900 (-) Land $1,124,600 Building $696,300
2025	$10,932.00 (+4.07%)	$113,807 (-8.56%) Land $70,288 Building $43,519	$1,820,900 (-1.98%) Land $1,124,600 Building $696,300
2023	$10,504.00 (+18.77%)	$124,460 (+31.79%) Land $74,022 Building $50,438	$1,857,600 (+36.71%) Land $1,104,800 Building $752,800
2022	$8,844.00	$94,436 Land $57,768 Building $36,668	$1,358,800 Land $831,200 Building $527,600