Boulder County property record for 515 Northstar Ct, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.25 ba · 2,016 sqft · built 1972 |
| Lot Size | 0.124 acres (5,407 sqft) |
| Owner | Individual Name on File |
| Last Sale | $130,000 (Dec 1982) |
| Tax Bill | $9,183 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-13-4-01-013 |
| Primary APN | 1461-13-4-01-013 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 7 Rooms |
| Stories | 2 Stories |
| Building Area | 2,016 sqft Living Area |
| Gross Area | 3,220 sqft |
| 1st Floor Area | 1,016 sqft |
| Upper Floors Area | 1,000 sqft |
| Basement Area | 700 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1982 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 5,407 sqft (0.124 acres) |
| Garage Type | Attached |
| Garage Area | 504 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 408 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0008273 |
|---|---|
| Street Address | 515 NORTHSTAR CT |
| City | BOULDER |
| State | CO |
| Zip | 80304-1087 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 19 LINDEN PARK 1 |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 24 |
| Legal Subdivision | LINDEN PARK 1 - BO |
| Legal Block | 2 |
| Legal Lot Number | 19 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 12104 |
515 Northstar Ct is owned by an individual who bought it in December 1982.
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 | Individual Name on File |
|---|---|
| Mailing Address | PO BOX 1046, BOULDER, CO 80306-1046 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 1, 1982 · Amount on File |
| Deed Sale | Dec 1, 1982 · Amount on File |
| Prior Sale | Aug 24, 1982 |
| Deed Document Number | 1982522150 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 515 Northstar Ct was $9,183.
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 | $100,028 (+3.86%) Land $59,718 Building $40,310 | $1,541,000 (-) Land $948,200 Building $592,800 | |
| 2025 | $9,183.00 | $96,313 Land $59,263 Building $37,050 | $1,541,000 Land $948,200 Building $592,800 |
| 2023 | $9,162.00 (+26.58%) | $109,780 (+40.83%) Land $64,099 Building $45,681 | $1,638,500 (+46.09%) Land $956,700 Building $681,800 |
| 2022 | $7,238.00 | $77,951 Land $51,673 Building $26,278 | $1,121,600 Land $743,500 Building $378,100 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 515 Northstar Ct in Zone X, an area of minimal flood risk, though there have been 8 flood claims nearby since 1991.
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 20 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 20 in force |
| Nearby Flood Claims | 8 (1991–2025) |
| Claims Outside the SFHA | 7 of 8 |
| Most Recent Claim | May 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.
Wildfire risk around 515 Northstar Ct is high, ranking above 72% of the US, with a 0.4% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | High above 72% of the US · above 69% of Colorado |
|---|---|
| Wildfire Likelihood | 0.4% annual chance |
| Exposure | Direct burnable vegetation |
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 527 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 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: Verizon.
5G (outdoors only) and 4G LTE
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