Boulder County property record for 4825 Thunderbird Cir, Boulder, CO 80303
| Property Type | Apartment House (2-4 Units) |
|---|---|
| Details | 84 bd · 50 ba · 46,914 sqft · built 1968 |
| Lot Size | 1.29 acres (56,471 sqft) |
| Owner | Company Name on File |
| Last Sale | $8,093,333 (Jul 2015) |
| Tax Bill | $48,214 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 1577-04-3-34-001 |
| Primary APN | 1577-04-3-34-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 84 Beds |
|---|---|
| Full Baths | 50 Baths |
| Total Rooms | 184 Rooms |
| Units | 100 Units |
| Building Area | 46,914 sqft Living Area |
| Gross Area | 47,064 sqft |
| 1st Floor Area | 15,688 sqft |
| Upper Floors Area | 15,688 sqft |
| Basement Area | 15,688 sqft |
| Finished Basement | 15,538 sqft |
| Unfinished Basement | 150 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1968 |
|---|---|
| Effective Year Built | Effective 1997 |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 56,471 sqft |
| Deck Area | 3,088 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0015235 |
|---|---|
| Street Address | 4825 THUNDERBIRD CIR |
| City | BOULDER |
| State | CO |
| Zip | 80303-3922 |
| Property Category | Commercial |
| Property Type | Residential > Multi-Unit > Apartment House (2-4 Units) |
| Legal Description | ALL UNITS 1 THRU 50 ASPEN CONDOMINIUMS 3 IMPS |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 04 |
| Legal Subdivision | ASPEN CONDOS - BO |
| Legal Block | 1 |
| Legal Lot Number | 2 |
| Legal Unit | 1-50 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1015 |
| Census Tract | 12511 |
4825 Thunderbird Cir, a residential property, is owned by a company that bought it in July 2015.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | PO BOX 90708, CAMDEN, NJ 08101-0700 |
| Owner Type | Company |
| Vesting | Company |
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 | Jul 30, 2015 · Amount on File |
| Deed Sale | Jul 30, 2015 · Amount on File |
| Prior Sale | Sep 25, 1979 · Amount on File |
| Deed Document Number | 20153463427 |
| Prior Transfer Date | Jul 28, 2015 |
| Prior Transfer Doc | 0003463427 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4825 Thunderbird Cir was $48,214.
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 | $545,393 (+7.86%) Land $181,750 Building $363,643 | $8,090,485 (-) Land $2,742,800 Building $5,347,685 | |
| 2025 | $48,214.00 | $505,655 Land $171,425 Building $334,230 | $8,090,485 Land $2,742,800 Building $5,347,685 |
| 2023 | $49,731.00 (-26.66%) | $579,550 (-20.63%) Land $127,300 Building $452,250 | $8,650,000 (-19.45%) Land $1,900,000 Building $6,750,000 |
| 2022 | $67,811.00 | $730,220 Land $122,400 Building $607,820 | $10,738,533 Land $1,800,000 Building $8,938,533 |
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 4825 Thunderbird Cir in Zone AE, a high-risk flood area; flood insurance is required for federally backed loans.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on File median of 67 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 174 units insured incl. 107 condo units |
| Nearby Flood Claims | 107 (1982–2023) |
| Claims Outside the SFHA | 83 of 107 |
| Most Recent Claim | Sep 2023 · 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 4825 Thunderbird Cir 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 67% of the US · lower than 84% of Colorado |
|---|---|
| Wildfire Likelihood | 0.03% annual chance |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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 339 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 |
| CenturyLink DSL | 140 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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