1702 Mariposa Ave, Boulder, CO 80302 Property Records

Boulder County property record for 1702 Mariposa Ave, Boulder, CO 80302

Property Summary

Property Type	Single Family Home
Details	3 bd · 2.5 ba · 2,244 sqft · built 1948
Lot Size	0.156 acres (6,794 sqft)
Owner	2 Individual Names on File
Last Sale	$1,200,000 (Feb 2017)
Tax Bill	$9,897 (2025)
Deeds & Mortgages	Sep 2020 Mortgage Sep 2019 Mortgage + 1 more
Flood Zone	Zone X (moderate risk)
APN	`1577-06-2-10-004`

Property Details

APN / Parcel Number

Primary APN	`1577-06-2-10-004`
Alternative APNs	`R0004960` `0004960`

Interior

Bedrooms	3 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,244 sqft Living Area
1st Floor Area	1,794 sqft
Upper Floors Area	450 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1948
Effective Year Built	Effective 1990
Architectural Style	A-Frame
Exterior Material	Combination
Construction Type	Frame
Roof Material	Asphalt
Lot Area	6,794 sqft (0.156 acres)
Garage Type	Detached
Garage Area	272 sqft
Porch	Porch
Porch Area	108 sqft
Total Buildings	2 Buildings

Utilities, Heating & Cooling

Heating System	Hot Water

Location & Zoning

Account Number	R0004960
Street Address	1702 MARIPOSA AVE
City	BOULDER
State	CO
Zip	80302-7929
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 6 BLK 15 FLORAL PARK
Legal Range	70
Legal Township	1S
Legal Section	06
Legal Subdivision	FLORAL PARK & WEIHOFEN RESUB - BO
Legal Block	15
Legal Lot Number	6
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	1
Census Block	1019
Census Tract	12505

Owner

1702 Mariposa Ave is owned and occupied by two individuals who bought it in February 2017.

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

Owner of Record	2 Individual Names on File
Mailing Address	1702 MARIPOSA AVE, BOULDER, CO 80302-7929
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Joint Tenants

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Date	Document
Sep 25, 2020	Deed of Trust, Mortgage · Conventional Mortgage CIBC BANK USA
Sep 25, 2019	Deed of Trust, Mortgage · Conventional Mortgage CIBC BANK USA
Feb 27, 2017	Warranty Deed, Transfer · Conventional Mortgage PRIVATEBANK & TR

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	Feb 27, 2017 · Amount on File
Deed Sale	Feb 27, 2017 · Amount on File
Prior Sale	Jun 15, 2010 · Amount on File
Deed Document Number	20173577136
Record Updated	Oct 29, 2026

September 2020: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	1702 MARIPOSA AVE, BOULDER, CO 80302-7929
Transaction Type	Mortgage
Record Updated	Jul 26, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003818591
Date	Sep 25, 2020
Instrument	3818591

Lender

Name	CIBC BANK USA
Type	Bank
Address	WORTH, IL 60482

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2050

September 2019: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	1702 MARIPOSA AVE, BOULDER, CO 80302-7929
Transaction Type	Mortgage
Record Updated	Jul 26, 2022

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003738387
Date	Sep 25, 2019
Instrument	3738387

Lender

Name	CIBC BANK USA
Type	Bank
Address	WORTH, IL 60482

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Oct 1, 2049

February 2017: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Feb 27, 2017
Property Address	1702 MARIPOSA AVE, BOULDER, CO 80302-7929
Document Number	0003577136
Instrument Date	Feb 27, 2017
Instrument	3577136
Transaction Type	Transfer
Record Updated	Mar 10, 2017
Title Company	LAND TITLE GUARANTEE

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$120.00
Amount Accuracy	Confirmed
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Relationship	Joint Tenants with Right of Survivorship
Address	1702 MARIPOSA AVE BOULDER CO 803027929, BOULDER, CO 80302-7929

Mortgage

Document Number	3577137
Date	Feb 27, 2017
Instrument	3577137

Lender

Name	PRIVATEBANK & TR
Type	Funding / Finance Company
Address	WORTH, IL 60482

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	360 Months
Due	Feb 26, 2047

Tax Assessment & Valuation

The 2025 property tax bill for 1702 Mariposa Ave was $9,897.

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

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$108,174 (+4.21%) Land $57,738 Building $50,436	$1,660,800 (-) Land $919,100 Building $741,700
2025	$9,897.00	$103,800 Land $57,444 Building $46,356	$1,660,800 Land $919,100 Building $741,700
2023	$8,728.00 (+5.86%)	$104,754 (+17.98%) Land $58,531 Building $46,223	$1,563,500 (+22.39%) Land $873,600 Building $689,900
2022	$8,245.00	$88,786 Land $47,955 Building $40,831	$1,277,500 Land $690,000 Building $587,500

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

FEMA maps place 1702 Mariposa Ave in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.

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

FEMA Flood Zone	Zone X moderate risk
500-Year Floodplain	Yes 0.2% annual chance
Nearest Special Flood Hazard Area	Zone AE, within 100 ft
Flood Insurance Requirement	Not required lenders may require it
Flood Insurance Cost	Premium on File median of 15 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	15 in force
Nearby Flood Claims	12 (1994–2013)
Claims Outside the SFHA	4 of 12
Most Recent Claim	Sep 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

Wildfire risk around 1702 Mariposa Ave is moderate, ranking above 67% of the US, with a 0.3% annual chance of wildfire.

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

Wildfire Risk	Moderate above 67% of the US · above 60% of Colorado
Wildfire Likelihood	0.3% annual chance
Exposure	Indirect within ember reach
Adjoins Burnable Land	Yes

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 System	CITY OF BOULDER serves 166,080 people · EPA ID CO0107152
Water Source	Surface water
Last State Inspection	Sep 2024
Lead	2 ppb (2023–2025) action level 15 ppb

Violations Reported to EPA

Water Quality	Haloacetic acids resolved · Jul 2017
Treatment and Procedure	None last 10 years
Monitoring and Reporting	1 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

Provider	Max 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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