4343 13th St, Boulder, CO 80304 Property Records

Boulder County property record for 4343 13th St, Boulder, CO 80304

Property Summary

Property Type	Single Family Home
Details	4 bd · 2.5 ba · 2,231 sqft · built 1993
Lot Size	0.201 acres (8,743 sqft)
Owner	2 Trust Names on File
Last Sale	$469,000 (May 2006)
Tax Bill	$7,907 (2025)
Deeds & Mortgages	Jan 2021 Mortgage Dec 2018 Line of Credit
Flood Zone	Zone AE (high risk)
APN	`1463-18-2-01-009`

Property Details

APN / Parcel Number

Primary APN	`1463-18-2-01-009`
Alternative APNs	`R0115206` `0115206`

Interior

Bedrooms	4 Beds
Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,231 sqft Living Area
Gross Area	2,756 sqft
1st Floor Area	1,159 sqft
Upper Floors Area	1,072 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1993
Effective Year Built	Effective 1993
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Roof Material	Asphalt
Lot Area	8,743 sqft (0.201 acres)
Garage Type	Attached
Garage Area	525 sqft
Parking Spaces	2 Parking Spaces

Utilities, Heating & Cooling

Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0115206
Street Address	4343 13TH ST
City	BOULDER
State	CO
Zip	80304-0848
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	LOT 2 LESS WLY 16 FT TO COUNTY OF BLDR REC 1089076 BLK 1 MOORES
Legal Range	70
Legal Township	1N
Legal Section	18
Legal Subdivision	MOORES & REPLAT LOT 15 BLK 30 - BO
Legal Block	1
Legal Lot Number	2
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2013
Census Tract	12105

Owner

4343 13th St is owner-occupied and held in a trust since June 2015.

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

Owner of Record	2 Trust Names on File
Mailing Address	4343 13TH ST, BOULDER, CO 80304-0848
Occupancy	Owner Occupied
Owner Type	Individual
Vesting	Trust, Living Trust

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
Jan 13, 2021	Deed of Trust, Mortgage · Conventional Mortgage PREMIER MEMBERS CU
Dec 28, 2018	Deed of Trust, Mortgage · Line of Credit PREMIER MEMBERS CU

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Sale	May 2, 2006 · Amount on File
Deed Sale	May 2, 2006 · Amount on File
Prior Sale	May 27, 1993 · Amount on File
Deed Document Number	20062773494
Last Transfer Date	Jun 24, 2015
Transfer Doc	0003455042
Record Updated	Oct 29, 2026

January 2021: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4343 13TH ST, BOULDER, CO 80304-0848
Transaction Type	Mortgage
Record Updated	Feb 8, 2021
Title Company	ELEVATED TITLE LLC

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003850355
Date	Jan 13, 2021
Instrument	3850355

Lender

Name	PREMIER MEMBERS CU
Type	Credit Union
Address	BOULDER, CO 80303

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	180 Months
Due	Jan 1, 2036

December 2018: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	BOULDER CO
Property Address	4343 13TH ST, BOULDER, CO 80304-0848
Transaction Type	Mortgage
Record Updated	Feb 5, 2021

Transferred To (Grantee/Buyer)

Name	Verified Name

Mortgage

Document Number	0003692022
Date	Dec 28, 2018
Instrument	3692022

Lender

Name	PREMIER MEMBERS CU
Type	Credit Union
Address	BOULDER, CO 80303

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	300 Months
Due	Dec 25, 2043

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

The 2025 property tax bill for 4343 13th St was $7,907.

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		$85,469 (+3.06%) Land $42,949 Building $42,520	$1,326,900 (-) Land $701,600 Building $625,300
2025	$7,907.00	$82,931 Land $43,850 Building $39,081	$1,326,900 Land $701,600 Building $625,300
2023	$7,584.00 (+16.57%)	$91,515 (+30.62%) Land $44,575 Building $46,940	$1,365,900 (+35.49%) Land $665,300 Building $700,600
2022	$6,506.00	$70,063 Land $36,293 Building $33,770	$1,008,100 Land $522,200 Building $485,900

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 4343 13th St in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.

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

FEMA Flood Zone	Zone AE high risk
100-Year Floodplain	Yes 1% annual chance
Floodway	No
Base Flood Elevation	Varies along the reach; see FIRM
Flood Insurance Requirement	Required federally backed loans
Flood Insurance Cost	Premium on File median of 46 policies
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	46 in force
Nearby Flood Claims	39 (1995–2013)
Claims Outside the SFHA	7 of 39
Most Recent Claim	Dec 2013 · other causes
Claims by Event	Severe Storms, Flooding, Landslides, And Mudslides, Sep 2013 · 36 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 4343 13th St is moderate, ranking above 57% of the US, with a 0.2% annual chance of wildfire.

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

Wildfire Risk	Moderate above 57% of the US · above 42% of Colorado
Wildfire Likelihood	0.2% 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 460 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Ayva Networks Fixed Wireless	2,500 / 2,500
Xfinity Cable	2,000 / 250
LiveWireNet Fixed Wireless	250 / 100
T-Mobile Fixed Wireless	100 / 20

May also be available: AT&T, CenturyLink.

Cell Coverage

5G (outdoors only) and 4G LTE

Nearby Properties on 13th St

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