Boulder County property record for 7121 Four Rivers Rd, Boulder, CO 80301
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2.75 ba · 3,934 sqft · built 1977 |
| Lot Size | 0.28 acres (12,187 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $799,000 (Dec 2007) |
| Tax Bill | $9,323 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-12-2-04-012 |
| Primary APN | 1463-12-2-04-012 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.75 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 10 Rooms |
| Stories | 2 Stories |
| Building Area | 3,934 sqft Living Area |
| Gross Area | 4,628 sqft |
| 1st Floor Area | 2,197 sqft |
| Upper Floors Area | 1,037 sqft |
| Basement Area | 712 sqft |
| Finished Basement | 700 sqft |
| Unfinished Basement | 12 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 2000 |
| Exterior Material | Brick Veneer |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 12,187 sqft (0.28 acres) |
| Garage Type | Attached |
| Garage Area | 682 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 615 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0071499 |
|---|---|
| Street Address | 7121 FOUR RIVERS RD |
| City | BOULDER |
| State | CO |
| Zip | 80301-3733 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 6 BLK 6 FOUNTAIN GREENS RESUB 1 |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 12 |
| Legal Subdivision | FOUNTAIN GREENS RESUB 1 |
| Legal Block | 6 |
| Legal Lot Number | 6 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 5 |
| Census Block | 5004 |
| Census Tract | 12708 |
7121 Four Rivers Rd is owned and occupied by two individuals who bought it in December 2007.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 7121 FOUR RIVERS RD, BOULDER, CO 80301-3733 |
| Occupancy | Owner Occupied |
| 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 | Dec 19, 2007 · Amount on File |
| Deed Sale | Dec 19, 2007 · Amount on File |
| Prior Sale | Nov 23, 2005 · Amount on File |
| Deed Document Number | 20072900545 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 7121 Four Rivers Rd was $9,323.
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 | $103,523 (+4.02%) Land $32,796 Building $70,727 | $1,592,400 (-) Land $552,300 Building $1,040,100 | |
| 2025 | $9,323.00 | $99,525 Land $34,519 Building $65,006 | $1,592,400 Land $552,300 Building $1,040,100 |
| 2023 | $7,350.00 (-1.42%) | $91,278 (+9.31%) Land $37,406 Building $53,872 | $1,362,357 (+13.39%) Land $558,300 Building $804,057 |
| 2022 | $7,456.00 | $83,505 Land $27,849 Building $55,656 | $1,201,500 Land $400,700 Building $800,800 |
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 7121 Four Rivers Rd in Zone X, an area of minimal flood risk.
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 |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 6 in force |
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 7121 Four Rivers Rd is low, with a 0.05% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 62% of the US · lower than 79% of Colorado |
|---|---|
| Wildfire Likelihood | 0.05% 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 393 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T.
5G (outdoors only) and 4G LTE
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