Boulder County property record for 635 Northstar Ct, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,065 sqft · built 1973 |
| Lot Size | 0.093 acres (4,042 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $710,000 (Jun 2009) |
| Tax Bill | $9,031 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-13-4-01-022 |
| Primary APN | 1461-13-4-01-022 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 2,065 sqft Living Area |
| 1st Floor Area | 1,085 sqft |
| Upper Floors Area | 980 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1973 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Metal |
| Lot Area | 4,042 sqft (0.093 acres) |
| Garage Type | Detached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Patio Area | 200 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0004830 |
|---|---|
| Street Address | 635 NORTHSTAR CT |
| City | BOULDER |
| State | CO |
| Zip | 80304-1022 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 27 LINDEN PARK 1 |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 24 |
| Legal Subdivision | LINDEN PARK 1 - BO |
| Legal Block | 2 |
| Legal Lot Number | 27 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 12104 |
635 Northstar Ct is owned by two individuals who bought it in June 2009.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 37 COMPANION WAY, PACIFIC GROVE, CA 93950-2107 |
| 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 | 2 Names on Deed |
|---|---|
| Last Sale | Jun 29, 2009 · Amount on File |
| Deed Sale | Jun 29, 2009 · Amount on File |
| Prior Sale | Aug 13, 2007 · Amount on File |
| Deed Document Number | 20093011706 |
| Prior Transfer Date | Feb 9, 2007 |
| Prior Transfer Doc | 0002837298 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 635 Northstar Ct was $9,031.
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 | $97,369 (+3.73%) Land $50,993 Building $46,376 | $1,501,900 (-) Land $819,900 Building $682,000 | |
| 2025 | $9,031.00 | $93,869 Land $51,244 Building $42,625 | $1,501,900 Land $819,900 Building $682,000 |
| 2023 | $8,907.00 (+20.12%) | $105,968 (+32.7%) Land $55,416 Building $50,552 | $1,581,600 (+37.65%) Land $827,100 Building $754,500 |
| 2022 | $7,415.00 | $79,856 Land $44,682 Building $35,174 | $1,149,000 Land $642,900 Building $506,100 |
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 635 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 635 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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