Boulder County property record for 3473 28th St, Apt 10, Boulder, CO 80301
| Property Type | Condominium |
|---|---|
| Details | 1 bd · 1 ba · 657 sqft · built 1985 |
| Lot Size | 0.001 acres (25 sqft) |
| Owner | Individual Name on File |
| Last Sale | $52,000 (Nov 1985) |
| Tax Bill | $1,752 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-20-2-53-010 |
| Primary APN | 1463-20-2-53-010 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 657 sqft Living Area |
| 1st Floor Area | 657 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 25 sqft (0.001 acres) |
| Deck Area | 68 sqft |
| Patio Area | 312 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0103327 |
|---|---|
| Street Address | 3473 28TH ST, 10 |
| City | BOULDER |
| State | CO |
| Zip | 80301-1598 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 10 & UND 3.719 INT GCE VALENCIA PLACE CONDOS |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 20 |
| Legal Subdivision | VALENCIA PLACE CONDOS - BO |
| Legal Block | 3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3009 |
| Census Tract | 12103 |
3473 28th St, Apt 10 is owned and occupied by an individual who acquired it in May 2003.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 3473 28TH ST, 10, BOULDER, CO 80301-1598 |
| Occupancy | Owner Occupied |
| 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 | Name on Deed |
|---|---|
| Last Sale | Nov 7, 1985 · Amount on File |
| Deed Sale | Nov 7, 1985 · Amount on File |
| Prior Sale | Sep 23, 1985 |
| Deed Document Number | 1985724686 |
| Last Transfer Date | May 7, 2003 |
| Transfer Doc | 0002445113 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 3473 28th St, Apt 10 was $1,752.
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 | $17,993 (-2.08%) Building $17,993 | $294,000 (-) Building $294,000 | |
| 2025 | $1,752.00 | $18,375 Building $18,375 | $294,000 Building $294,000 |
| 2023 | $1,375.00 (-11.92%) | $19,612 (+16.61%) Building $19,612 | $292,709 (+20.95%) Building $292,709 |
| 2022 | $1,561.00 | $16,819 Building $16,819 | $242,000 Building $242,000 |
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 3473 28th St, Apt 10 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.
The area around 3473 28th St, Apt 10 has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within 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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