Boulder County property record for 350 28th St, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 2 bd · 1 ba · 748 sqft · built 1952 |
| Lot Size | 0.148 acres (6,429 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $70,900 (Dec 1982) |
| Tax Bill | $3,237 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-05-2-05-012 |
| Primary APN | 1577-05-2-05-012 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 748 sqft Living Area |
| Gross Area | 1,034 sqft |
| 1st Floor Area | 748 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1952 |
|---|---|
| Effective Year Built | Effective 1952 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Frame |
| Lot Area | 6,429 sqft (0.148 acres) |
| Garage Type | Attached |
| Garage Area | 286 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 264 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0007024 |
|---|---|
| Street Address | 350 28TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80305-3312 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 12 BLK 6 HIGHLAND PARK |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | HIGHLAND PARK - BO |
| Legal Block | 6 |
| Legal Lot Number | 12 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 12507 |
350 28th St is owned by two individuals who acquired it in August 2024.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 3101 7TH ST, BOULDER, CO 80304-2511 |
| 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.
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 14, 1982 · Amount on File |
| Deed Sale | Dec 14, 1982 · Amount on File |
| Prior Sale | Jun 15, 1979 · Amount on File |
| Deed Document Number | 1982524074 |
| Last Transfer Date | Aug 13, 2024 |
| Transfer Doc | 0004056892 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 350 28th St was $3,237.
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $39,370 (-2.08%) Land $25,342 Building $14,028 | $643,300 (-) Land $437,000 Building $206,300 | |
| 2025 | $3,237.00 | $40,207 Land $27,313 Building $12,894 | $643,300 Land $437,000 Building $206,300 |
| 2023 | $3,093.00 (+14.3%) | $46,204 (+28.02%) Land $32,127 Building $14,077 | $689,600 (+32.79%) Land $479,500 Building $210,100 |
| 2022 | $2,706.00 | $36,091 Land $24,332 Building $11,759 | $519,300 Land $350,100 Building $169,200 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 350 28th St in Zone X, an area of minimal flood risk, though there have been 1 flood claim nearby since 2013.
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 | 1 (2013) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
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 350 28th St is low, with a 0.03% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 64% of the US · lower than 81% of Colorado |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | None beyond ember reach |
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 294 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| CenturyLink Fiber | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
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