Boulder County property record for 4470 28th St, Boulder, CO 80301
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 4,361 sqft · built 1965 |
| Lot Size | 2.83 acres (123,539 sqft) |
| Owner | Company Name on Record |
| Last Sale | $1,500 (Feb 1993) |
| Tax Bill | $8,559 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-18-1-00-009 |
| Primary APN | 1463-18-1-00-009 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 4,361 sqft Living Area |
| Gross Area | 5,062 sqft |
| 1st Floor Area | 2,224 sqft |
| Basement Area | 2,374 sqft |
| Finished Basement | 2,137 sqft |
| Unfinished Basement | 237 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1965 |
|---|---|
| Effective Year Built | Effective 1970 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 123,539 sqft |
| Garage Type | Attached |
| Garage Area | 464 sqft |
| Parking Spaces | 9 Parking Spaces |
| Deck Area | 526 sqft |
| Patio Area | 596 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0033613 |
|---|---|
| Street Address | 4470 28TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80301-1673 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | RR |
| Legal Description | APPROX 2 1/2 ACS N & E OF HIWAY 7 OF SW 1/4 NE 1/4 NE 1/4 18-1N-70 AKA TR 3148 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 18 |
| Legal Subdivision | FOOTHILLS EAST |
| Legal Tract | 3148 |
| Legal Block | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2075 |
| Census Tract | 12701 |
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 | Company Name on Record |
|---|---|
| Mailing Address | 2291 ARAPAHOE AVE, BOULDER, CO 80302-6603 |
| Owner Type | Company |
| Vesting | Limited Liability Partnership |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 18, 1993 · Amount on Record |
| Deed Sale | Feb 18, 1993 · Amount on Record |
| Deed Document Number | 19931266827 |
| Last Transfer Date | May 2, 2025 |
| Transfer Doc | 0004094669 |
| 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 | $95,159 (+3.62%) Land $60,289 Building $34,870 | $1,469,400 (-) Land $956,600 Building $512,800 | |
| 2025 | $8,559.00 (+3.7%) | $91,838 (-9.31%) Land $59,788 Building $32,050 | $1,469,400 (-2.79%) Land $956,600 Building $512,800 |
| 2023 | $8,254.00 (+26%) | $101,270 (+36.52%) Land $37,962 Building $63,308 | $1,511,500 (+41.62%) Land $566,600 Building $944,900 |
| 2022 | $6,551.00 | $74,178 Land $31,046 Building $43,132 | $1,067,300 Land $446,700 Building $620,600 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 | 9 in force |
| Nearby Flood Claims | 3 (2013–2022) |
| Claims Outside the SFHA | 3 of 3 |
| Most Recent Claim | Aug 2022 · 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 78% of the US · above 80% of Colorado |
|---|---|
| Wildfire Likelihood | 0.6% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: FCC Broadband Data Collection, based on 69 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 |
| AT&T Fixed Wireless | 100 / 20 |
5G (outdoors only) and 4G LTE
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