Boulder County property record for 3515 28th St, Apt 308, Boulder, CO 80301
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 1.75 ba · 830 sqft · built 1983 |
| Lot Size | 1.26 acres (55,246 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $64,000 (Sep 1992) |
| Tax Bill | $2,298 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-20-2-46-022 |
| Primary APN | 1463-20-2-46-022 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 830 sqft Living Area |
| 1st Floor Area | 830 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1983 |
|---|---|
| Effective Year Built | Effective 1983 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 55,246 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0095134 |
|---|---|
| Street Address | 3515 28TH ST, 308 |
| City | BOULDER |
| State | CO |
| Zip | 80301-1562 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 308 BLDG 1 & UND 1/22 INT GCE PENDLETON SQUARE CONDOS 1 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 20 |
| Legal Subdivision | PENDLETON SQUARE CONDOS PHASE I - BO |
| Legal Block | 3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 12103 |
3515 28th St, Apt 308 is owned by two individuals who bought it in September 1992.
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 | 2137 KALMIA CIR, BOULDER, CO 80304-1912 |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Sep 1, 1992 · Amount on File |
| Deed Sale | Sep 1, 1992 · Amount on File |
| Prior Sale | Oct 17, 1983 · Amount on File |
| Deed Document Number | 19921215696 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3515 28th St, Apt 308 was $2,298.
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 | $22,773 (-2.08%) Building $22,773 | $372,100 (-) Building $372,100 | |
| 2025 | $2,298.00 | $23,256 Building $23,256 | $372,100 Building $372,100 |
| 2023 | $1,788.00 (-12.78%) | $23,529 (+10.6%) Building $23,529 | $351,181 (+14.73%) Building $351,181 |
| 2022 | $2,050.00 | $21,274 Building $21,274 | $306,100 Building $306,100 |
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 3515 28th St, Apt 308 in Zone X, an area of minimal flood risk, though there have been 18 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 28 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 58 units insured incl. 30 condo units |
| Nearby Flood Claims | 18 (1995–2022) |
| Claims Outside the SFHA | 9 of 18 |
| Most Recent Claim | Oct 2022 · rainfall accumulation |
| Claims by Event |
|
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 3515 28th St, Apt 308 is low, with a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 91% of Colorado |
|---|---|
| Wildfire Likelihood | 0.01% 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 288 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 · Fiber in parts of the area | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
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