Boulder County property record for 4391 Carter Trl, Boulder, CO 80301
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 1.75 ba · 3,565 sqft · built 1972 |
| Lot Size | 0.287 acres (12,481 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $138,500 (Aug 1990) |
| Tax Bill | $6,156 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-13-2-06-002 |
| Primary APN | 1463-13-2-06-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 3,565 sqft Living Area |
| Gross Area | 4,379 sqft |
| 1st Floor Area | 2,885 sqft |
| Basement Area | 952 sqft |
| Finished Basement | 680 sqft |
| Unfinished Basement | 272 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 12,481 sqft (0.287 acres) |
| Garage Type | Attached |
| Garage Area | 542 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 156 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0038851 |
|---|---|
| Street Address | 4391 CARTER TRL |
| City | BOULDER |
| State | CO |
| Zip | 80301-3807 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SR |
| Legal Description | LOT 20 BLK 15 GUN BARREL GREEN |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 11 |
| Legal Subdivision | GUNBARREL GREEN |
| Legal Block | 15 |
| Legal Lot Number | 20 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3015 |
| Census Tract | 12708 |
4391 Carter Trl is owned and occupied by two individuals who acquired it in August 2025.
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 4391 CARTER TRL, BOULDER, CO 80301-3807 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 1, 1990 · Amount on File |
| Deed Sale | Aug 1, 1990 · Amount on File |
| Prior Sale | Dec 12, 1984 |
| Deed Document Number | 19901055697 |
| Last Transfer Date | Aug 28, 2025 |
| Transfer Doc | 0004100295 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4391 Carter Trl was $6,156.
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $68,870 (+1.76%) Land $36,870 Building $32,000 | $1,082,800 (-) Land $542,200 Building $540,600 | |
| 2025 | $6,156.00 | $67,676 Land $33,888 Building $33,788 | $1,082,800 Land $542,200 Building $540,600 |
| 2023 | $6,310.00 (+24.38%) | $79,783 (+35.39%) Land $38,136 Building $41,647 | $1,190,800 (+40.44%) Land $569,200 Building $621,600 |
| 2022 | $5,073.00 | $58,929 Land $27,223 Building $31,706 | $847,900 Land $391,700 Building $456,200 |
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.
FEMA maps place 4391 Carter Trl in Zone X, an area of minimal flood risk, though there have been 8 flood claims nearby since 1995.
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 |
| Flood Insurance Cost | Premium on File median of 11 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 11 in force |
| Nearby Flood Claims | 8 (1995–2023) |
| Claims Outside the SFHA | 8 of 8 |
| Most Recent Claim | May 2023 · rainfall accumulation |
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 risk around 4391 Carter Trl is moderate, ranking above 50% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 50% of the US · lower than 66% of Colorado |
|---|---|
| Wildfire Likelihood | 0.1% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
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 |
| 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.
Source: FCC Broadband Data Collection, based on 211 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 |
| LiveWireNet Fixed Wireless | 250 / 100 |
May also be available: AT&T.
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