1235 Mariposa Ave, Boulder, CO 80302 Property Records

Boulder County property record for 1235 Mariposa Ave, Boulder, CO 80302 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bedrooms	3 Beds
Bathrooms	1.75 Baths
Year Built	Built 1980
Square Footage	2,198 sqft Living Area
Lot Size	15,073 sqft (0.346 acres)
Garage	Attached, 594 sqft
Last Sale	$900,000 (2015)
Tax Bill	$12,867.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`1577-06-2-27-001`
Alternative APNs	`R0002954` `0002954`

Interior

Bedrooms	3 Beds
Full Baths	1.75 Baths
Partial Baths	1 Partial Baths
Total Rooms	6 Rooms
Building Area	2,198 sqft Living Area
Gross Area	3,286 sqft Gross Area
1st Floor	2,198 sqft 1st Floor
Basement Area	494 sqft Basement
Stories	1 Stories
Interior Structure	Plaster Interior Structure

Exterior

Year Built	Built 1952
Effective Year Built	Effective 1980
Architectural Style	Ranch Style
Exterior Material	Combination Exterior
Construction Type	Masonry/Concrete Masonry Units (CMUs) Construction
Roof Material	Asphalt Roof
Lot Area	15,073 sqft (0.346 acres)
Parking Spaces	2 Parking Spaces
Garage Type	Attached Garage
Garage Area	594 sqft Garage
Patio Area	225 sqft Patio
Porch	Porch
Porch Area	190 sqft Porch

Utilities and HVAC

Heating System	Hot Water Heating

Location & Zoning

Account Number	R0002954
Street Address	1235 MARIPOSA AVE
City	BOULDER
State	CO
Zip	80302-7839
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	LOT 1 BLK 6 BELLEVUE PARK REPLAT
Legal Range	70
Legal Township	1S
Legal Section	06
Legal Subdivision	BELLEVUE PARK REPLAT - BO
Legal Block	6
Legal Lot Number	1
Jurisdiction	BOULDER CO
Minor Civil Division	BOULDER
Census Blockgroup	2
Census Block	2008
Census Tract	12505

Owner

Source: Boulder County records · APN 1577-06-2-27-001

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 Individual Names on File
Mailing Address	750 LINCOLN PL, BOULDER, CO 80302-7531
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	Feb 17, 2015 · Amount on Record
Deed Sale	Feb 17, 2015 · Amount on Record
Prior Sale	Aug 17, 1982
Deed Doc Number	20153427672
Prior Transfer Date	Feb 13, 2015
Prior Transfer Doc	0003427672
Record Refreshed	Sep 20, 2026

June 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	1235 MARIPOSA AVE, BOULDER, CO 80302-7839
Transaction Type	Mortgage
Record Updated	Feb 05, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003719250
Date	Jun 20, 2019
Instrument	3719250

Lender

Name	FIRST NATIONAL BANK OF OMAHA
Type	Bank
Address	OMAHA, NE 68197

Agreement

Type	Commercial Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Jun 14, 2049

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly (Revolving credit lines are monthly unless stated otherwise).

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		$145,908 (+8.8%) Land $131,317 Building $14,591	$2,145,700 (-) Land $1,931,130 Building $214,570
2025	$12,867.00 (+9.08%)	$134,107 (-3.81%) Land $120,696 Building $13,411	$2,145,700 (+3.12%) Land $1,931,130 Building $214,570
2023	$11,796.00 (+13.42%)	$139,413 (+25.39%) Land $125,472 Building $13,941	$2,080,800 (+30.07%) Land $1,872,720 Building $208,080
2022	$10,400.00	$111,186 Land $100,067 Building $11,119	$1,599,800 Land $1,439,820 Building $159,980

Flood & Wildfire

1235 Mariposa Ave is in FEMA Zone X, outside the Special Flood Hazard Area, with direct wildfire exposure (High risk).

Flood

Source: FEMA National Flood Hazard Layer · Boulder County (08013C), updated October 14, 2026

FEMA Flood Zone	Zone X moderate flood hazard · within the 0.2% annual chance floodplain
Special Flood Hazard Area	No
Nearest Special Flood Hazard Area	Zone AE, within 100 ft

Wildfire

Source: USDA Forest Service Wildfire Risk to Communities · 2nd edition (2024), fuels as of 2020

Wildfire Risk to Homes	High 74th percentile of exposed land nationally · 72nd in Colorado
Wildfire Likelihood	High — 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.