Boulder County property record for 4446 Ashfield Dr, Boulder, CO 80301
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.25 ba · 1,721 sqft · built 1971 |
| Lot Size | 0.203 acres (8,835 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $287,900 (Apr 2007) |
| Tax Bill | $4,182 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-13-1-04-011 |
| Primary APN | 1463-13-1-04-011 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 6 Rooms |
| Building Area | 1,721 sqft Living Area |
| Gross Area | 2,137 sqft |
| 1st Floor Area | 1,046 sqft |
| Upper Floors Area | 675 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1971 |
|---|---|
| Effective Year Built | Effective 1971 |
| Architectural Style | Split Level |
| Exterior Material | Brick Veneer |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 8,835 sqft (0.203 acres) |
| Garage Type | Attached |
| Garage Area | 416 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 35 sqft |
| Patio Area | 80 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0038388 |
|---|---|
| Street Address | 4446 ASHFIELD DR |
| City | BOULDER |
| State | CO |
| Zip | 80301-4010 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | SR |
| Legal Description | LOT 11 BLK 5 HEATHERWOOD 4 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 12 |
| Legal Subdivision | HEATHERWOOD 4 - BOV |
| Legal Block | 5 |
| Legal Lot Number | 11 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1025 |
| Census Tract | 12709 |
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 Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 4446 ASHFIELD DR, BOULDER, CO 80301-4010 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Apr 30, 2007 · Amount on Record |
| Deed Sale | Apr 30, 2007 · Amount on Record |
| Prior Sale | Aug 21, 1974 · Amount on Record |
| Deed Document Number | 20072852311 |
| Record Updated | Oct 29, 2026 |
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 | $40,710 (-2.08%) Land $18,093 Building $22,617 | $665,200 (-) Land $332,600 Building $332,600 | |
| 2025 | $4,182.00 (+11.88%) | $41,576 (-6.88%) Land $20,788 Building $20,788 | $665,200 (-0.18%) Land $332,600 Building $332,600 |
| 2023 | $3,738.00 (+13.58%) | $44,649 (+32.87%) Land $22,800 Building $21,849 | $666,400 (+37.83%) Land $340,300 Building $326,100 |
| 2022 | $3,291.00 | $33,603 Land $16,756 Building $16,847 | $483,500 Land $241,100 Building $242,400 |
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.
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 | 3 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 43% of the US · lower than 73% of Colorado |
|---|---|
| Wildfire Likelihood | 0.08% 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 381 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 |
| CenturyLink DSL | 140 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: LiveWireNet.
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