Boulder County property record for 685 Northstar Ct, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,285 sqft · built 1974 |
| Lot Size | 0.103 acres (4,497 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $735,000 (Dec 2013) |
| Tax Bill | $8,187 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-13-4-01-027 |
| Primary APN | 1461-13-4-01-027 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 7 Rooms |
| Stories | 1 Story |
| Building Area | 2,285 sqft Living Area |
| Gross Area | 2,685 sqft |
| 1st Floor Area | 1,245 sqft |
| Basement Area | 1,040 sqft |
| Finished Basement | 1,040 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1974 |
|---|---|
| Effective Year Built | Effective 2000 |
| Architectural Style | Ranch |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 4,497 sqft (0.103 acres) |
| Garage Type | Attached |
| Garage Area | 400 sqft |
| Parking Spaces | 4 Parking Spaces |
| Porch | Porch |
| Porch Area | 80 sqft |
| Deck Area | 108 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0000072 |
|---|---|
| Street Address | 685 NORTHSTAR CT |
| City | BOULDER |
| State | CO |
| Zip | 80304-1022 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 32 LESS NWLY 5 FT THEREOF & NWLY 5.00 FT OF LOT 33 LINDEN PARK 1 |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 24 |
| Legal Subdivision | LINDEN PARK 1 - BO |
| Legal Block | 2 |
| Legal Lot Number | 32 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 12104 |
685 Northstar Ct is owned and occupied by two individuals who bought it in December 2013.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 685 NORTHSTAR CT, BOULDER, CO 80304-1022 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
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 | 2 Names on Deed |
|---|---|
| Last Sale | Dec 18, 2013 · Amount on File |
| Deed Sale | Dec 18, 2013 · Amount on File |
| Prior Sale | Nov 6, 2009 · Amount on File |
| Deed Document Number | 20133357908 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 685 Northstar Ct was $8,187.
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 | $95,465 (+3.63%) Land $50,279 Building $45,186 | $1,473,900 (-) Land $809,400 Building $664,500 | |
| 2025 | $8,187.00 | $92,119 Land $50,588 Building $41,531 | $1,473,900 Land $809,400 Building $664,500 |
| 2023 | $7,852.00 (+11.63%) | $94,610 (+24.89%) Land $55,938 Building $38,672 | $1,412,100 (+29.55%) Land $834,900 Building $577,200 |
| 2022 | $7,034.00 | $75,755 Land $45,161 Building $30,594 | $1,090,000 Land $649,800 Building $440,200 |
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 685 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 685 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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