Boulder County property record for 1400 Riverside Ave, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 1,212 sqft · built 1982 |
| Lot Size | 0.073 acres (3,158 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $90,000 (Nov 2004) |
| Tax Bill | $5,696 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1463-18-3-25-008 |
| Primary APN | 1463-18-3-25-008 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Stories | 2 Stories |
| Building Area | 1,212 sqft Living Area |
| Gross Area | 1,428 sqft |
| 1st Floor Area | 498 sqft |
| Upper Floors Area | 714 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1982 |
|---|---|
| Effective Year Built | Effective 1982 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 3,158 sqft (0.073 acres) |
| Garage Type | Attached |
| Garage Area | 216 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 144 sqft |
| Deck Area | 186 sqft |
| Heating Fuel | Electric |
|---|
| Account Number | R0087557 |
|---|---|
| Street Address | 1400 RIVERSIDE AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-0839 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | WLY 36 FT LOT 8 WILDWOOD |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 18 |
| Legal Subdivision | WILDWOOD & REPLT A - BO |
| Legal Block | 3 |
| Legal Lot Number | 8 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 12105 |
1400 Riverside Ave is owned and occupied by two individuals who bought it in November 2004.
Source: Boulder County records, as of September 18, 2026
| Owner of Record | 2 Individual Names on File |
|---|---|
| Mailing Address | 1400 RIVERSIDE AVE, BOULDER, CO 80304-0839 |
| 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 | Nov 19, 2004 · Amount on File |
| Deed Sale | Nov 19, 2004 · Amount on File |
| Prior Sale | Dec 18, 1995 · Amount on File |
| Deed Document Number | 20042643980 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 1400 Riverside Ave was $5,696.
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 | $60,241 (+0.83%) Land $27,846 Building $32,395 | $955,900 (-) Land $479,500 Building $476,400 | |
| 2025 | $5,696.00 | $59,744 Land $29,969 Building $29,775 | $955,900 Land $479,500 Building $476,400 |
| 2023 | $5,213.00 (+7.09%) | $64,053 (+22.17%) Land $31,792 Building $32,261 | $956,000 (+26.72%) Land $474,500 Building $481,500 |
| 2022 | $4,868.00 | $52,431 Land $25,847 Building $26,584 | $754,400 Land $371,900 Building $382,500 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 1400 Riverside Ave in Zone X, an area of moderate flood risk, within 100 ft of a high-risk flood zone.
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on File median of 32 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 32 in force |
| Nearby Flood Claims | 26 (2005–2015) |
| Claims Outside the SFHA | 10 of 26 |
| Most Recent Claim | May 2015 · Severe Storms, Tornadoes, 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.
Wildfire risk around 1400 Riverside Ave is moderate, ranking above 46% of the US, with a 0.09% 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 | 0.09% annual chance |
| Exposure | Indirect within 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 460 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 |
| T-Mobile Fixed Wireless | 100 / 20 |
May also be available: AT&T, CenturyLink.
5G (outdoors only) and 4G LTE
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