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2015 Mariposa Ave, Boulder, CO 80302 Property Records

Boulder County property record for 2015 Mariposa Ave, Boulder, CO 80302

Property Summary

Property TypeSingle Family Home
Details4 bd · 2.5 ba · 2,330 sqft · built 1950
Lot Size0.157 acres (6,824 sqft)
Owner2 Individual Names on Record
Last Sale$1,277,000 (May 2017)
Tax Bill$10,790 (2025)
Deeds & MortgagesMay 2017 Sale & Mortgage
Flood ZoneZone X (moderate risk)
APN1577-06-1-12-009

Property Details

APN / Parcel Number

Primary APN1577-06-1-12-009
Alternative APNs
  • R0001257
  • 0001257

Interior

Bedrooms4 Beds
Full Baths2.5 Baths
Half Baths2 Half Baths
Total Rooms10 Rooms
Stories2 Stories
Building Area2,330 sqft Living Area
1st Floor Area1,097 sqft
Upper Floors Area1,233 sqft
Interior WallsWallboard/Drywall

Exterior

Year BuiltBuilt 1950
Effective Year BuiltEffective 1990
Architectural StyleA-Frame
Exterior MaterialWood Shingle
Construction TypeFrame
Roof MaterialAsphalt
Lot Area6,824 sqft (0.157 acres)
Garage TypeDetached
Garage Area588 sqft
PorchPorch
Porch Area145 sqft
Total Buildings2 Buildings

Utilities, Heating & Cooling

Heating SystemForced Air with A/C

Location & Zoning

Account NumberR0001257
Street Address2015 MARIPOSA AVE
CityBOULDER
StateCO
Zip80302-7934
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionLOT 9 BLK 4 INTERURBAN PARK
Legal Range70
Legal Township1S
Legal Section06
Legal SubdivisionINTERURBAN PARK - BO
Legal Block4
Legal Lot Number9
JurisdictionBOULDER CO
Township / Civil DivisionBOULDER
Census Block Group1
Census Block1013
Census Tract12505

Owner

Source: Boulder County records, as of September 18, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on Record
Mailing Address2015 MARIPOSA AVE, BOULDER, CO 80302-7934
OccupancyOwner Occupied
Owner TypeIndividual
VestingJoint Tenants

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleMay 31, 2017 · Amount on Record
Deed SaleMay 31, 2017 · Amount on Record
Prior SaleDec 4, 2007 · Amount on Record
Deed Document Number20173594942
Record UpdatedOct 29, 2026

May 2017: Warranty Deed, Transfer

Document TypeWarranty Deed
JurisdictionBOULDER CO
Recording DateMay 31, 2017
Property Address2015 MARIPOSA AVE, BOULDER, CO 80302-7934
Document Number0003594942
Instrument DateMay 30, 2017
Instrument3594942
Transaction TypeTransfer
Record UpdatedMar 31, 2022
Title CompanyHERITAGE TITLE CO

Transaction

AmountAmount Recorded
DownpaymentDownpayment on Record
Loan-to-Value (LTV)LTV on Record
Tax$127.70
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name
Address00000

Transferred To (Grantee/Buyer)

NameVerified Name
RelationshipJoint Tenants
Address2015 MARIPOSA AVE, BOULDER, CO 80302-7934
InvestorPossibly a Property Investor

Mortgage

Document Number0003594943
DateMay 31, 2017
Instrument3594943
Lender
NameJPMORGAN CHASE BANK NA
TypeBank
Agreement
TypeConventional Mortgage
AmountAmount Recorded
Term361 Months
DueJun 1, 2047

Tax Assessment & Valuation

Source: Boulder County assessment roll, as of September 18, 2026

Property Jurisdictions

TypeName
StateColorado
CountyBoulder County
MunicipalityBoulder City
Unified School DistrictBoulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$118,368 (+4.59%) Land $57,875 Building $60,493$1,810,700 (-) Land $921,100 Building $889,600
2025$10,790.00 (+15.03%)$113,169 (+0.77%) Land $57,569 Building $55,600$1,810,700 (+8.02%) Land $921,100 Building $889,600
2023$9,380.00 (+6.97%)$112,306 (+18.93%) Land $57,761 Building $54,545$1,676,200 (+23.37%) Land $862,100 Building $814,100
2022$8,769.00$94,430 Land $47,559 Building $46,871$1,358,700 Land $684,300 Building $674,400

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.

Flood

Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
moderate risk
500-Year FloodplainYes
0.2% annual chance
Nearest Special Flood Hazard AreaZone AE, within 100 ft
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 15 policies
Community Rating SystemClass 5 (25% premium discount)
Nearby Flood Policies15 in force
Nearby Flood Claims12 (1994–2013)
Claims Outside the SFHA4 of 12
Most Recent ClaimSep 2013 · Severe Storms, Flooding, Landslides, And Mudslides
Claims by Event
  • Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 10 claims

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Wildfire

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

Wildfire RiskModerate
above 67% of the US · above 59% of Colorado
Wildfire Likelihood0.2% annual chance
ExposureIndirect
within ember reach

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemCITY OF BOULDER
serves 166,080 people · EPA ID CO0107152
Water SourceSurface water
Last State InspectionSep 2024
Lead2 ppb (2023–2025)
action level 15 ppb

Violations Reported to EPA

Water QualityHaloacetic acids
resolved · Jul 2017
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting1
last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 481 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Ayva Networks
Fixed Wireless		2,500 / 2,500
CenturyLink
Fiber · DSL in parts of the area		2,000 / 1,000
Xfinity
Cable		2,000 / 250
Verizon
Fixed Wireless		300 / 20
LiveWireNet
Fixed Wireless		250 / 100
T-Mobile
Fixed Wireless		100 / 20

May also be available: Magnolia Road Internet Cooperative.

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