Boulder County property record for 503 Northstar Ct, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 3.5 ba · 3,920 sqft · built 1972 |
| Lot Size | 0.169 acres (7,356 sqft) |
| Owner | Company Name on File |
| Last Sale | $975,000 (Mar 2014) |
| Tax Bill | $12,275 (2025) |
| Deeds & Mortgages | Oct 2023 Transfer Feb 2022 Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-13-4-01-011 |
| Primary APN | 1461-13-4-01-011 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 3.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,920 sqft Living Area |
| Gross Area | 4,486 sqft |
| 1st Floor Area | 2,089 sqft |
| Upper Floors Area | 1,105 sqft |
| Basement Area | 726 sqft |
| Finished Basement | 726 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1972 |
|---|---|
| Effective Year Built | Effective 1995 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 7,356 sqft (0.169 acres) |
| Garage Type | Attached |
| Garage Area | 566 sqft |
| Parking Spaces | 4 Parking Spaces |
| Deck Area | 174 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0003869 |
|---|---|
| Street Address | 503 NORTHSTAR CT |
| City | BOULDER |
| State | CO |
| Zip | 80304-1087 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 17 LINDEN PARK 1 & 4.9 X 12.20 PT ON W BDRY |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 24 |
| Legal Subdivision | LINDEN PARK 1 - BO |
| Legal Block | 2 |
| Legal Lot Number | 17 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2003 |
| Census Tract | 12104 |
503 Northstar Ct is owned by a company that bought it in March 2014.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 503 NORTHSTAR CT, BOULDER, CO 80304-1087 |
| Owner Type | Company |
| Vesting | Life Tenant |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Date | Document |
|---|---|
| Oct 4, 2023 | Intrafamily Transfer, Transfer |
| Feb 9, 2022 | Deed of Trust, Mortgage · Conventional Mortgage NOVA FINANCIAL & INVESTMENT CORP |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Mar 14, 2014 · Amount on File |
| Deed Sale | Mar 14, 2014 · Amount on File |
| Prior Sale | Jan 30, 2014 · Amount on File |
| Deed Document Number | 20143370346 |
| Prior Transfer Date | Jun 14, 2000 |
| Prior Transfer Doc | 0002053409 |
| Record Updated | Oct 29, 2026 |
| Document Type | Intrafamily Transfer |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Oct 4, 2023 |
| Property Address | 503 NORTHSTAR CT, BOULDER, CO 80304-1087 |
| Document Number | 0004024043 |
| Instrument Date | Oct 2, 2023 |
| Instrument | 4024043 |
| Transaction Type | Transfer |
| Record Updated | Nov 8, 2023 |
| Tax | $0.00 |
|---|---|
| Amount Accuracy | No Consideration Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Living Trust |
| Address | 503 NORTHSTAR CT, BOULDER, CO 80304-1087 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 503 NORTHSTAR CT, BOULDER, CO 80304-1087 |
| Transaction Type | Mortgage |
| Record Updated | Jul 26, 2022 |
| Title Company | US FIDELITY TITLE COMPANY, FIDELITY TITLE CO |
| Name | Verified Name |
|---|---|
| Address | 503 NORTHSTAR CT, BOULDER, CO 80304-1087 |
| Document Number | 0003944342 |
|---|---|
| Date | Feb 9, 2022 |
| Instrument | 3944342 |
| Name | NOVA FINANCIAL & INVESTMENT CORP |
|---|---|
| Type | Funding / Finance Company |
| Address | TUCSON, AZ 85711 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount on Record |
| Term | 361 Months |
| Due | Mar 1, 2052 |
The 2025 property tax bill for 503 Northstar Ct was $12,275.
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 | $135,306 (+5.1%) Land $70,448 Building $64,858 | $2,059,800 (-) Land $1,106,000 Building $953,800 | |
| 2025 | $12,275.00 | $128,738 Land $69,125 Building $59,613 | $2,059,800 Land $1,106,000 Building $953,800 |
| 2023 | $12,247.00 (+21.33%) | $145,504 (+33.85%) Land $74,765 Building $70,739 | $2,171,700 (+38.85%) Land $1,115,900 Building $1,055,800 |
| 2022 | $10,094.00 | $108,705 Land $60,277 Building $48,428 | $1,564,100 Land $867,300 Building $696,800 |
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 503 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 503 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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