502 Mapleton Ave, Boulder, CO 80304 Property Records

Boulder County property record for 502 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	6 Beds
Bathrooms	3.75 Baths
Year Built	Built 1995
Square Footage	4,997 sqft Living Area
Lot Size	10,545 sqft (0.242 acres)
Garage	Detached, 462 sqft
Last Sale	$650,000 (1998)
Tax Bill	$22,992.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1461-25-4-08-005`
Alternative APNs	`R0001363` `0001363`

Interior

Bedrooms	6 Beds
Full Baths	3.75 Baths
Partial Baths	4 Partial Baths
Total Rooms	13 Rooms
Building Area	4,997 sqft Living Area
1st Floor	2,238 sqft 1st Floor
Upper Floors	1,544 sqft Upper Floors
Basement Area	1,215 sqft Basement
Finished Basement	1,215 sqft Finished
Stories	2 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1904
Effective Year Built	Effective 1995
Exterior Material	Combination Exterior
Construction Type	Frame Construction
Roof Material	Asphalt Roof
Lot Area	10,545 sqft (0.242 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Detached Garage
Garage Area	462 sqft Garage

Exterior Amenities

Total Buildings	2 Total Buildings
Deck Area	960 sqft Deck
Patio Area	1,357 sqft Patio
Porch	Porch
Porch Area	592 sqft Porch

Utilities and HVAC

Cooling System	Central Cooling
Heating System	Hot Water Heating

Location & Zoning

Account Number	R0001363
Street Address	502 MAPLETON AVE
City	BOULDER
State	CO
Zip	80304-3986
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOTS 12-13-14 BLK 5 MAPLETON
Legal Range	71
Legal Township	1N
Legal Section	25
Legal Subdivision	MAPLETON - BO
Legal Block	5
Legal Lot Number	12
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	4
Census Block	4012
Census Tract	12101

Owner

Source: Boulder County records · APN 1461-25-4-08-005

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	Individual Owner on File
Mailing Address	502 MAPLETON AVE, BOULDER, CO 80304-3986
Owner Type	Owner is a Company
Vesting	Owner is a Trust, Revocable Trust

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Known Transactions	Last Sale Amount on Jul 02, 1998 Deed Sale Price on Jul 02, 1998 May 14, 1980
Deed Doc Number	19981819528
Last Transfer Date	Mar 28, 2018
Transfer Doc	0003649688
Record Refreshed	Sep 20, 2026

April 2018: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	BOULDER CO
Recording Date	Apr 09, 2018
Property Address	502 MAPLETON AVE, BOULDER, CO 80304-3986
Document Number	0003649688
Instrument Date	Mar 28, 2018
Instrument	3649688
Transaction Type	Transfer
Record Updated	Apr 16, 2018

Transaction

Tax	$0.00
Additional	Quitclaim Document Interfamily Transfer

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Revocable Trust
Address	502 MAPLETON AVE BOULDER CO 803043986, BOULDER, CO 80304-3986

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		$262,358 (+8.8%) Land $137,340 Building $125,018	$3,858,200 (-) Land $2,019,700 Building $1,838,500
2025	$22,992.00 (+3.3%)	$241,137 (-7.76%) Land $126,231 Building $114,906	$3,858,200 (-1.12%) Land $2,019,700 Building $1,838,500
2023	$22,258.00 (+13.05%)	$261,434 (+23.31%) Land $129,397 Building $132,037	$3,902,000 (+27.91%) Land $1,931,300 Building $1,970,700
2022	$19,688.00	$212,010 Land $97,648 Building $114,362	$3,050,500 Land $1,405,000 Building $1,645,500