Boulder County property record for 550 Aurora Ave, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,567 sqft · built 1950 |
| Lot Size | 1.08 acres (47,415 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $950,000 (Feb 2010) |
| Tax Bill | $14,277 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 1461-36-4-28-004 |
| Primary APN | 1461-36-4-28-004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 1,567 sqft Living Area |
| Gross Area | 2,139 sqft |
| 1st Floor Area | 1,567 sqft |
| Interior Walls | Plaster |
| Year Built | Built 1950 |
|---|---|
| Effective Year Built | Effective 1980 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 47,415 sqft |
| Garage Type | Attached |
| Garage Area | 572 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 80 sqft |
| Patio Area | 81 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0008677 |
|---|---|
| Street Address | 550 AURORA AVE |
| City | BOULDER |
| State | CO |
| Zip | 80302-7128 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT B SPACKMANS SUBDIVISION |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 36 |
| Legal Subdivision | SPACKMANS - BO |
| Legal Tract | B |
| Legal Block | 3 |
| Legal Lot Number | B |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3030 |
| Census Tract | 12201 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 550 AURORA AVE, BOULDER, CO 80302-7128 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 23, 2010 · Amount on Record |
| Deed Sale | Feb 23, 2010 · Amount on Record |
| Prior Sale | Aug 14, 1987 |
| Deed Document Number | 20103060148 |
| 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 | $158,154 (+5.62%) Land $141,863 Building $16,291 | $2,395,800 (-) Land $2,156,220 Building $239,580 | |
| 2025 | $14,277.00 (+6.01%) | $149,738 (-6.2%) Land $134,764 Building $14,974 | $2,395,800 (+0.56%) Land $2,156,220 Building $239,580 |
| 2023 | $13,467.00 (-9.1%) | $159,628 (+0.06%) Land $143,665 Building $15,963 | $2,382,500 (+3.79%) Land $2,144,250 Building $238,250 |
| 2022 | $14,815.00 | $159,538 Land $143,584 Building $15,954 | $2,295,500 Land $2,065,950 Building $229,550 |
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 AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | Yes |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 34 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 34 in force |
| Nearby Flood Claims | 29 (1983–2025) |
| Claims Outside the SFHA | 10 of 29 |
| Most Recent Claim | Apr 2025 · other causes |
| 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 | High above 74% of the US · above 72% of Colorado |
|---|---|
| Wildfire Likelihood | 0.3% 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 550 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 · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: Magnolia Road Internet Cooperative, Verizon.
5G (outdoors only) and 4G LTE
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