4320 Carter Trl, Boulder, CO 80301 Property Records

Boulder County property record for 4320 Carter Trl, Boulder, CO 80301

Property Summary

Property Type	Single Family Home
Details	3 bd · 3.25 ba · 3,312 sqft · built 1975
Lot Size	0.234 acres (10,182 sqft)
Owner	Individual Name on File
Last Sale	$852,000 (Oct 2021)
Tax Bill	$6,370 (2025)
Deeds & Mortgages	Oct 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`1463-13-2-11-021`

Property Details

APN / Parcel Number

Primary APN	`1463-13-2-11-021`
Alternative APNs	`R0061473` `0061473`

Interior

Bedrooms	3 Beds
Full Baths	3.25 Baths
Half Baths	2 Half Baths
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	3,312 sqft Living Area
Gross Area	4,054 sqft
1st Floor Area	1,326 sqft
Upper Floors Area	1,020 sqft
Basement Area	966 sqft
Finished Basement	966 sqft
Interior Walls	Wallboard/Drywall

Exterior

Year Built	Built 1975
Effective Year Built	Effective 1980
Architectural Style	A-Frame
Exterior Material	Wood Shingle
Construction Type	Frame
Lot Area	10,182 sqft (0.234 acres)
Garage Type	Attached
Garage Area	742 sqft
Parking Spaces	3 Parking Spaces
Porch	Porch
Porch Area	216 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Forced Air with A/C

Location & Zoning

Account Number	R0061473
Street Address	4320 CARTER TRL
City	BOULDER
State	CO
Zip	80301-3808
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	SR
Legal Description	LOT 21 BLK 14 GUN BARREL GREEN REPLAT 3
Legal Range	70
Legal Township	1N
Legal Section	11
Legal Subdivision	GUNBARREL GREEN REPLAT 3
Legal Block	14
Legal Lot Number	21
Jurisdiction	BOULDER CO
Township / Civil Division	BOULDER
Census Block Group	2
Census Block	2010
Census Tract	12708

Owner

4320 Carter Trl is owned and occupied by an individual who bought it in October 2021.

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

Owner of Record	Individual Name on File
Mailing Address	4320 CARTER TRL, BOULDER, CO 80301-3808
Occupancy	Owner Occupied
Owner Type	Individual

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

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 11, 2021 · Amount on File
Deed Sale	Oct 11, 2021 · Amount on File
Prior Sale	Apr 9, 1976 · Amount on File
Deed Document Number	20213919625
Prior Transfer Date	May 20, 1994
Prior Transfer Doc	0001430083
Record Updated	Oct 29, 2026

October 2021: Special Warranty Deed, Transfer

Document Type	Special Warranty Deed
Jurisdiction	BOULDER CO
Recording Date	Oct 11, 2021
Property Address	4320 CARTER TRL, BOULDER, CO 80301-3808
Document Number	0003919625
Instrument Date	Oct 7, 2021
Instrument	3919625
Transaction Type	Transfer
Record Updated	Oct 27, 2021
Title Company	LAND TITLE GUARANTY COMPANY IN, LAND TITLE GUARANTEE COMPANY

Transaction

Amount	Amount on Record
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$85.20
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	4320 CARTER TRL, 4320, BOULDER, CO 80301-3808

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4320 CARTER TRL, BOULDER, CO 80301-3808

Mortgage

Document Number	0003919626
Date	Oct 11, 2021
Instrument	3919626

Lender

Name	CHERRY CREEK MORTGAGE CO INC
Type	Mortgage Company

Agreement

Type	Conventional Mortgage
Amount	Amount on Record
Term	361 Months
Due	Nov 1, 2051

Mortgage

Document Number	0003919627
Date	Oct 11, 2021
Instrument	3919627

Lender

Name	SOOPER CU
Type	Credit Union
Address	ARVADA, CO 80005

Agreement

Type	Line of Credit
Amount	Amount on Record
Term	300 Months
Due	Oct 28, 2046

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

The 2025 property tax bill for 4320 Carter Trl was $6,370.

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

Property Jurisdictions

Type	Name
State	Colorado
County	Boulder County
Unified School District	Boulder Valley School District RE-2 (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$64,416 (+1.31%) Land $28,539 Building $35,877	$1,017,300 (-) Land $489,700 Building $527,600
2025	$6,370.00	$63,581 Land $30,606 Building $32,975	$1,017,300 Land $489,700 Building $527,600
2023	$5,496.00 (+22.02%)	$64,086 (+38.98%) Land $34,445 Building $29,641	$956,500 (+44.16%) Land $514,100 Building $442,400
2022	$4,504.00	$46,113 Land $24,589 Building $21,524	$663,500 Land $353,800 Building $309,700

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 4320 Carter Trl in Zone X, an area of minimal flood risk.

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 minimal risk
Flood Insurance Requirement	Not required lenders may require it
Community Rating System	Class 5 (25% premium discount)
Nearby Flood Policies	1 in force

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 4320 Carter Trl is low, with a 0.05% annual chance of wildfire.

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

Wildfire Risk	Low lower than 62% of the US · lower than 78% of Colorado
Wildfire Likelihood	0.05% annual chance
Exposure	None beyond 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 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 118 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
Verizon Fixed Wireless	300 / 20
AT&T Fixed Wireless	100 / 20

May also be available: CenturyLink, LiveWireNet.

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