Boulder County property record for 4286 Graham Ct, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,736 sqft · built 1960 |
| Lot Size | 0.167 acres (7,253 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $77,500 (Aug 1979) |
| Tax Bill | $4,719 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-05-4-09-022 |
| Primary APN | 1577-05-4-09-022 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,736 sqft Living Area |
| Gross Area | 3,136 sqft |
| 1st Floor Area | 1,736 sqft |
| Basement Area | 1,400 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1972 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 7,253 sqft (0.167 acres) |
| Garage Type | Carport |
| Garage Area | 312 sqft |
| Carport | Carport |
| Carport Area | 312 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 336 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0013684 |
|---|---|
| Street Address | 4286 GRAHAM CT |
| City | BOULDER |
| State | CO |
| Zip | 80305-5506 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 22 BLK 12 WILLIAM MARTIN HOMESTEAD |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | WILLIAM MARTIN HOMESTEAD - BO |
| Legal Block | 12 |
| Legal Lot Number | 22 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1018 |
| Census Tract | 12507 |
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 | 2 Individual Names on Record |
|---|---|
| Mailing Address | 4286 GRAHAM CT, BOULDER, CO 80305-5506 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Aug 27, 1979 · Amount on Record |
| Deed Sale | Aug 27, 1979 · Amount on Record |
| Deed Document Number | 1979355977 |
| Last Transfer Date | Apr 28, 2025 |
| Transfer Doc | 0004085138 |
| Record Updated | Oct 29, 2026 |
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 | $55,896 (+0.26%) Land $33,449 Building $22,447 | $892,000 (-) Land $561,900 Building $330,100 | |
| 2025 | $4,719.00 (+0.53%) | $55,750 (-13.89%) Land $35,119 Building $20,631 | $892,000 (-7.69%) Land $561,900 Building $330,100 |
| 2023 | $4,694.00 (+15.59%) | $64,742 (+27.73%) Land $41,151 Building $23,591 | $966,300 (+32.5%) Land $614,200 Building $352,100 |
| 2022 | $4,061.00 | $50,686 Land $30,524 Building $20,162 | $729,300 Land $439,200 Building $290,100 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 Record median of 25 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 25 in force |
| Nearby Flood Claims | 16 (1995–2013) |
| Claims Outside the SFHA | 2 of 16 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| 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.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 80% of the US · lower than 91% of Colorado |
|---|---|
| Wildfire Likelihood | 0.03% 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 678 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
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