Boulder County property record for 4481 Hamilton Ct, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.75 ba · 1,312 sqft · built 1961 |
| Lot Size | 0.167 acres (7,253 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $619,000 (Dec 2017) |
| Tax Bill | $5,058 (2025) |
| Deeds & Mortgages | Mar 2018 Mortgage Dec 2017 Sale |
| Flood Zone | Zone X (minimal risk) |
| APN | 1577-04-3-24-007 |
| Primary APN | 1577-04-3-24-007 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Building Area | 1,312 sqft Living Area |
| 1st Floor Area | 916 sqft |
| Basement Area | 396 sqft |
| Finished Basement | 396 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1961 |
|---|---|
| Effective Year Built | Effective 1990 |
| Architectural Style | Split Level |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 7,253 sqft (0.167 acres) |
| Garage Type | Carport |
| Garage Area | 242 sqft |
| Carport | Carport |
| Carport Area | 242 sqft |
| Parking Spaces | 1 Parking Space |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0012799 |
|---|---|
| Street Address | 4481 HAMILTON CT |
| City | BOULDER |
| State | CO |
| Zip | 80305-5556 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 7 BLK 14 WILLIAM MARTIN HOMESTEAD |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | WILLIAM MARTIN HOMESTEAD - BO |
| Legal Block | 14 |
| Legal Lot Number | 7 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1019 |
| Census Tract | 12507 |
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | 2 Individual Names on Record |
|---|---|
| Mailing Address | 4481 HAMILTON CT, BOULDER, CO 80305-5556 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Date | Document |
|---|---|
| Mar 21, 2018 | Deed of Trust, Mortgage · Conventional Mortgage NORTHERN TR |
| Dec 6, 2017 | Warranty Deed, Transfer GUARDIAN TITLE COMPANY |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Dec 6, 2017 · Amount on Record |
| Deed Sale | Dec 6, 2017 · Amount on Record |
| Prior Sale | Jun 11, 2009 · Amount on Record |
| Deed Document Number | 20173629376 |
| Record Updated | Oct 29, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | BOULDER CO |
| Property Address | 4481 HAMILTON CT, BOULDER, CO 80305-5556 |
| Document Number | 0003647520 |
| Instrument Date | Mar 21, 2018 |
| Transaction Type | Mortgage |
| Record Updated | Apr 11, 2018 |
| Title Company | OTHER |
| Name | Verified Name |
|---|---|
| Relationship | Husband and Wife |
| Address | 4481 HAMILTON CT BOULDER CO 803055556, BOULDER, CO 80305-5556 |
| Document Number | 0003647520 |
|---|---|
| Date | Mar 28, 2018 |
| Instrument | 3647520 |
| Name | NORTHERN TR |
|---|---|
| Address | CHICAGO, IL 60603 |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | Mar 27, 2048 |
| Rate Type | Adjustable Rate |
|---|---|
| Rate | 3.5% |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | Dec 6, 2017 |
| Property Address | 4481 HAMILTON CT, BOULDER, CO 80305-5556 |
| Document Number | 0003629376 |
| Instrument Date | Nov 30, 2017 |
| Instrument | 3629376 |
| Transaction Type | Transfer |
| Record Updated | Dec 12, 2017 |
| Title Company | GUARDIAN TITLE COMPANY |
| Amount | Amount Recorded |
|---|---|
| Tax | $61.00 |
| Amount Accuracy | Confirmed |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Relationship | Joint Tenants with Right of Survivorship |
| Address | 4481 HAMILTON CT BOULDER CO 803055556, BOULDER, CO 80305-5556 |
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 | $52,965 (-0.17%) Land $33,449 Building $19,516 | $848,900 (-) Land $561,900 Building $287,000 | |
| 2025 | $5,058.00 (+1.02%) | $53,057 (-12.55%) Land $35,119 Building $17,938 | $848,900 (-6.25%) Land $561,900 Building $287,000 |
| 2024 | $5,007.00 (+1.75%) | ||
| 2023 | $4,921.00 (+9.36%) | $60,668 (+26.44%) Land $41,151 Building $19,517 | $905,500 (+31.16%) Land $614,200 Building $291,300 |
| 2022 | $4,500.00 | $47,982 Land $30,524 Building $17,458 | $690,400 Land $439,200 Building $251,200 |
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.
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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