Boulder County property record for 3535 28th St, Apt 103, Boulder, CO 80301
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 1 ba · 756 sqft · built 1983 |
| Lot Size | 0.001 acres (25 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $263,450 (Jul 2015) |
| Tax Bill | $2,220 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-20-2-47-003 |
| Primary APN | 1463-20-2-47-003 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 4 Rooms |
| Stories | 1 Story |
| Building Area | 756 sqft Living Area |
| 1st Floor Area | 756 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 |
| Roof Material | Asphalt |
| Lot Area | 25 sqft (0.001 acres) |
| Patio Area | 60 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0096907 |
|---|---|
| Street Address | 3535 28TH ST, 103 |
| City | BOULDER |
| State | CO |
| Zip | 80301-1573 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 103 BLDG 2 & UND 1/34 INT GCE PENDLETON SQUARE CONDOS PHASE II |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 20 |
| Legal Subdivision | PENDLETON SQUARE CONDOS PHASE II BO |
| Legal Phase | 2 |
| Legal Block | 3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 12103 |
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 | 3535 28TH ST, 103, BOULDER, CO 80301-1573 |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jul 21, 2015 · Amount on Record |
| Deed Sale | Jul 21, 2015 · Amount on Record |
| Prior Sale | Jul 14, 2014 · Amount on Record |
| Deed Document Number | 20153461251 |
| Last Transfer Date | Apr 11, 2025 |
| Transfer Doc | 0004083296 |
| Record Updated | Oct 29, 2026 |
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 | $21,971 (-2.08%) Building $21,971 | $359,000 (-) Building $359,000 | |
| 2025 | $2,220.00 (+18.21%) | $22,438 (-7.13%) Building $22,438 | $359,000 (-0.44%) Building $359,000 |
| 2024 | $1,878.00 (+1.9%) | ||
| 2023 | $1,843.00 (-14%) | $24,160 (+8.46%) Building $24,160 | $360,601 (+12.51%) Building $360,601 |
| 2022 | $2,143.00 | $22,275 Building $22,275 | $320,500 Building $320,500 |
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 |
| Flood Insurance Cost | Premium on Record 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.
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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