1401 Mariposa Ave, Boulder, CO 80302 Property Records

Boulder County property record for 1401 Mariposa Ave, Boulder, CO 80302 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	6 Beds
Bathrooms	4.75 Baths
Year Built	Built 2015
Square Footage	6,051 sqft Living Area
Lot Size	13,075 sqft (0.3 acres)
Occupancy	Owner Occupied
Last Sale	$4,380,000 (2025)
Tax Bill	$25,644.00 (2025)

Owner

Source: Boulder County records · APN 1577-06-2-28-003

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 Individual Names on File
Mailing Address	1401 MARIPOSA AVE, BOULDER, CO 80302-7843
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
Last Sale	May 27, 2025 · Amount on Record
Deed Sale	May 27, 2025 · Amount on Record
Prior Sale	Oct 23, 2023 · Amount on Record
Deed Doc Number	20254088973
Prior Transfer Date	Nov 15, 2006
Prior Transfer Doc	0002839922
Record Refreshed	Sep 20, 2026

October 2023: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 23, 2023
Property Address	1401 MARIPOSA AVE, BOULDER, CO 80302-7843
Document Number	0004025854
Instrument Date	Oct 16, 2023
Instrument	4025854
Transaction Type	Transfer
Record Updated	Nov 15, 2023
Title Company	FIRST AMERICAN TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$376.00
Amount Accuracy	Full Amount Stated
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	1401 MARIPOSA AVE, BOULDER, CO 80302-7843

Mortgage

Document Number	0004025855
Date	Oct 23, 2023
Instrument	4025855

Lender

Name	ELEVATIONS CU
Type	Credit Union

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Nov 01, 2053

Interest

Rate Type	Adjustable Rate
Rate	6.25%
Adjustable	Document includes a rider for adjustable-rate mortgage with a specific rate change date.
Type Change Date	Nov 01, 2030
Change Frequency	6 Months
Min Rate At Change	2.75%
Max Rate At Change	11.2%
Max Rate	11.2%

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		$292,624 (+8.8%) Land $134,157 Building $158,467	$4,303,300 (-) Land $1,972,900 Building $2,330,400
2025	$25,644.00 (-3.32%)	$268,956 (-11.96%) Land $123,306 Building $145,650	$4,303,300 (-5.62%) Land $1,972,900 Building $2,330,400
2024	$26,524.00 (+1.76%)
2023	$26,064.00 (+11.98%)	$305,500 (+23.1%) Land $126,422 Building $179,078	$4,559,700 (+27.69%) Land $1,886,900 Building $2,672,800
2022	$23,276.00	$248,171 Land $106,634 Building $141,537	$3,570,800 Land $1,534,300 Building $2,036,500

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified: October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Moderate
500-Year Floodplain	Yes
Special Flood Hazard Area	No
Nearest Special Flood Hazard Area	Zone AE, within 100 ft

Wildfire

Wildfire Risk	High above 74% of the US · above 72% of Colorado
Wildfire Likelihood	About 1 in 271 per year
Exposure	Direct burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.

Property Details

APN / Parcel Number

Primary APN	`1577-06-2-28-003`
Alternative APNs	`R0001984` `0001984`

Interior

Bedrooms	6 Beds
Full Baths	4.75 Baths
Partial Baths	4 Partial Baths
Total Rooms	12 Rooms
Building Area	6,051 sqft Living Area
Gross Area	7,049 sqft Gross Area
1st Floor	2,098 sqft 1st Floor
Upper Floors	2,186 sqft Upper Floors
Basement Area	1,963 sqft Basement
Finished Basement	1,767 sqft Finished
Unfinished Basement	196 sqft Unfinished
Stories	2 Stories
Interior Structure	Wallboard/Drywall Interior Structure

Exterior

Year Built	Built 2007
Effective Year Built	Effective 2015
Architectural Style	A-Frame Style
Exterior Material	Combination Exterior
Construction Type	Masonry/Concrete Masonry Units (CMUs) Construction
Roof Material	Asphalt Roof
Lot Area	13,075 sqft (0.3 acres)
Parking Spaces	3 Parking Spaces
Garage Type	Attached Garage
Garage Area	802 sqft Garage
Porch	Porch
Porch Area	679 sqft Porch

Utilities and HVAC

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

Location & Zoning

Account Number	R0001984
Street Address	1401 MARIPOSA AVE
City	BOULDER
State	CO
Zip	80302-7843
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 3 BLK 1 BELLEVUE PARK REPLAT
Legal Range	70
Legal Township	1S
Legal Section	06
Legal Subdivision	BELLEVUE PARK REPLAT - BO
Legal Block	1
Legal Lot Number	3
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	2
Census Block	2008
Census Tract	12505