Boulder County property record for 4638 Starboard Dr, Boulder, CO 80301
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 2,388 sqft · built 1979 |
| Lot Size | 0.166 acres (7,215 sqft) |
| Owner | Individual Name on File |
| Last Sale | $195,000 (Aug 1995) |
| Tax Bill | $5,198 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-11-3-07-004 |
| Primary APN | 1463-11-3-07-004 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,388 sqft Living Area |
| Gross Area | 2,828 sqft |
| 1st Floor Area | 1,332 sqft |
| Upper Floors Area | 1,056 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1979 |
|---|---|
| Effective Year Built | Effective 1981 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 7,215 sqft (0.166 acres) |
| Garage Type | Attached |
| Garage Area | 440 sqft |
| Parking Spaces | 2 Parking Spaces |
| Deck Area | 484 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0073901 |
|---|---|
| Street Address | 4638 STARBOARD DR |
| City | BOULDER |
| State | CO |
| Zip | 80301-3164 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 18 BLK 3 STARBOARD |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 14 |
| Legal Subdivision | STARBOARD - BOV |
| Legal Block | 3 |
| Legal Lot Number | 18 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1000 |
| Census Tract | 12708 |
4638 Starboard Dr is owned by an individual who bought it in August 1995.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 1515 RADCLIFF AVE, CAMBRIA, CA 93428-5710 |
| 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 | Name on Deed |
|---|---|
| Last Sale | Aug 2, 1995 · Amount on File |
| Deed Sale | Aug 2, 1995 · Amount on File |
| Prior Sale | May 17, 1994 · Amount on File |
| Deed Document Number | 19951535601 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 4638 Starboard Dr was $5,198.
Source: Boulder County assessment roll, as of September 18, 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $51,592 (-0.39%) Land $15,865 Building $35,727 | $828,700 (-) Land $303,300 Building $525,400 | |
| 2025 | $5,198.00 | $51,794 Land $18,956 Building $32,838 | $828,700 Land $303,300 Building $525,400 |
| 2023 | $4,759.00 (+42.57%) | $55,938 (+36.3%) Land $18,338 Building $37,600 | $834,900 (+41.39%) Land $273,700 Building $561,200 |
| 2022 | $3,338.00 | $41,040 Land $13,928 Building $27,112 | $590,500 Land $200,400 Building $390,100 |
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 4638 Starboard Dr in Zone X, an area of minimal flood risk.
Source: FEMA National Flood Hazard Layer, effective October 14, 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
Values are read at the parcel center point; lenders make the official flood determination.
Wildfire risk around 4638 Starboard Dr is moderate, ranking above 46% of the US, with a 0.07% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 46% of the US · lower than 70% of Colorado |
|---|---|
| Wildfire Likelihood | 0.07% annual chance |
| Exposure | None beyond ember reach |
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 334 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 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| CenturyLink DSL | 140 / 20 |
5G (outdoors only) and 4G LTE
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