430 Mapleton Ave, Boulder, CO 80304 Property Records

Boulder County property record for 430 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	5 Beds
Bathrooms	4.5 Baths
Year Built	Built 1980
Square Footage	2,967 sqft Living Area
Lot Size	14,114 sqft (0.324 acres)
Last Sale	$1,600,000 (2008)
Tax Bill	$20,473.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1461-25-4-07-002`
Alternative APNs	`R0008125` `0008125`

Interior

Bedrooms	5 Beds
Full Baths	4.5 Baths
Partial Baths	3 Partial Baths
Total Rooms	11 Rooms
Building Area	2,967 sqft Living Area
Gross Area	3,499 sqft Gross Area
1st Floor	1,303 sqft 1st Floor
Upper Floors	1,664 sqft Upper Floors
Basement Area	378 sqft Basement
Stories	1 Stories
Interior Structure	Plaster Interior Structure

Exterior

Year Built	Built 1892
Effective Year Built	Effective 1980
Exterior Material	Combination Exterior
Construction Type	Masonry/Concrete Masonry Units (CMUs) Construction
Roof Material	Asphalt Roof
Lot Area	14,114 sqft (0.324 acres)

Exterior Amenities

Total Buildings	3 Total Buildings
Shed	1 Shed
Porch	Enclosed Porch
Porch Area	154 sqft Porch

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0008125
Street Address	430 MAPLETON AVE
City	BOULDER
State	CO
Zip	80304-3983
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOTS 20 THRU 23 BLK 5 MAPLETON SPLIT FROM ID 5407 PER REC # 1021616
Legal Range	71
Legal Township	1N
Legal Section	25
Legal Subdivision	MAPLETON - BO
Legal Block	5
Legal Lot Number	20
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	4
Census Block	4013
Census Tract	12101

Owner

Source: Boulder County records · APN 1461-25-4-07-002

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 Record	Individual Owner on File
Mailing Address	PO BOX 120, HYGIENE, CO 80533-0120
Owner Type	Owner is a Company
Vesting	Company

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Known Transactions	Last Sale Amount on Feb 11, 2008 Deed Sale Price on Feb 11, 2008 Prior Sale Amount on Jan 03, 1990
Deed Doc Number	20082909272
Prior Transfer Date	Jun 13, 2005
Prior Transfer Doc	0002697744
Record Refreshed	Sep 20, 2026

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		$232,689 (+8.8%) Land $158,889 Building $73,800	$3,421,900 (-) Land $2,336,600 Building $1,085,300
2025	$20,473.00 (+1.59%)	$213,869 (-7.86%) Land $146,038 Building $67,831	$3,421,900 (-1.22%) Land $2,336,600 Building $1,085,300
2024	$20,153.00 (+1.78%)
2023	$19,800.00 (+8.41%)	$232,102 (+19.68%) Land $155,025 Building $77,077	$3,464,200 (+24.15%) Land $2,313,800 Building $1,150,400
2022	$18,264.00	$193,929 Land $112,972 Building $80,957	$2,790,350 Land $1,625,500 Building $1,164,850