1133 Mapleton Ave, Boulder, CO 80304 Property Records

Boulder County property record for 1133 Mapleton Ave, Boulder, CO 80304 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	4 Beds
Bathrooms	2.75 Baths
Year Built	Built 1985
Square Footage	2,781 sqft Living Area
Lot Size	3,737 sqft (0.086 acres)
Occupancy	Owner Occupied
Last Sale	$1,795,000 (2025)
Tax Bill	$12,363.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1463-30-3-25-001`
Alternative APNs	`R0005195` `0005195`

Interior

Bedrooms	4 Beds
Full Baths	2.75 Baths
Partial Baths	1 Partial Baths
Total Rooms	9 Rooms
Building Area	2,781 sqft Living Area
Gross Area	2,937 sqft Gross Area
1st Floor	1,094 sqft 1st Floor
Upper Floors	599 sqft Upper Floors
Basement Area	1,244 sqft Basement
Finished Basement	1,088 sqft Finished
Unfinished Basement	156 sqft Unfinished
Stories	2 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 1914
Effective Year Built	Effective 1985
Exterior Material	Combination Exterior
Construction Type	Masonry/Concrete Masonry Units (CMUs) Construction
Roof Material	Asphalt Roof
Lot Area	3,737 sqft (0.086 acres)
Parking Spaces	1 Parking Spaces
Garage Type	Detached Garage
Garage Area	220 sqft Garage
Deck Area	304 sqft Deck
Porch	Porch
Porch Area	32 sqft Porch

Utilities and HVAC

Heating System	Forced Air with Air Conditioning Heating

Location & Zoning

Account Number	R0005195
Street Address	1133 MAPLETON AVE
City	BOULDER
State	CO
Zip	80304-4152
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 1 SUGAR HILL TERRACE EAST
Legal Range	70
Legal Township	1N
Legal Section	30
Legal Subdivision	SUGAR HILL TERRACE EAST - BO
Legal Block	1
Legal Lot Number	1
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	1
Census Block	1011
Census Tract	12204

Owner

Source: Boulder County records · APN 1463-30-3-25-001

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	1133 MAPLETON AVE, BOULDER, CO 80304-4152
Occupancy	Owner Occupied
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 24, 2025 Deed Sale Price on Jul 24, 2025 Prior Sale Amount on Aug 16, 2021
Deed Doc Number	20254096115
Prior Transfer Date	Aug 17, 2009
Prior Transfer Doc	0003024075
Record Refreshed	Sep 20, 2026

August 2021: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Aug 16, 2021
Property Address	1133 MAPLETON AVE, BOULDER, CO 80304-4152
Document Number	0003907211
Instrument Date	Aug 09, 2021
Instrument	3907211
Transaction Type	Transfer
Record Updated	Aug 24, 2021
Title Company	HERITAGE TITLE COMPANY, HERITAGE TITLE CO

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$165.00
Amount Accuracy	Full Amount Stated
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Tenants in Severalty
Address	1133 MAPLETON AVE, BOULDER, CO 80304-4152

Mortgage

Document Number	0003907212
Date	Aug 16, 2021
Instrument	3907212

Lender

Name	GUARANTEED RATE INC
Type	Mortgage Company
Address	CHICAGO, IL 60613

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Sep 01, 2051

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		$143,010 (+10.29%) Land $81,756 Building $61,254	$2,103,100 (+1.37%) Land $1,202,300 Building $900,800
2025	$12,363.00 (+18.23%)	$129,663 (+5.69%) Land $75,144 Building $54,519	$2,074,600 (+13.3%) Land $1,202,300 Building $872,300
2024	$10,457.00 (+1.76%)
2023	$10,276.00 (-4.97%)	$122,677 (+6.41%) Land $77,030 Building $45,647	$1,831,000 (+10.38%) Land $1,149,700 Building $681,300
2022	$10,813.00	$115,287 Land $58,130 Building $57,157	$1,658,800 Land $836,400 Building $822,400