Boulder County property record for 1420 Riverside Ave, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 2 ba · 1,880 sqft · built 1982 |
| Lot Size | 0.09 acres (3,915 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $1,232,001 (Jun 2024) |
| Tax Bill | $6,881 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1463-18-3-25-007 |
| Primary APN | 1463-18-3-25-007 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 1,880 sqft Living Area |
| Gross Area | 2,216 sqft |
| 1st Floor Area | 552 sqft |
| Upper Floors Area | 1,328 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1982 |
|---|---|
| Effective Year Built | Effective 1989 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 3,915 sqft (0.09 acres) |
| Garage Type | Attached |
| Garage Area | 216 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Enclosed Porch |
| Porch Area | 216 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0087556 |
|---|---|
| Street Address | 1420 RIVERSIDE AVE |
| City | BOULDER |
| State | CO |
| Zip | 80304-0839 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | WLY 2 FT LOT 6 & ALL LOT 7 & ELY 4 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 | 7 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3002 |
| Census Tract | 12105 |
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 | 1420 RIVERSIDE AVE, BOULDER, CO 80304-0839 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 3, 2024 · Amount on Record |
| Deed Sale | Jun 3, 2024 · Amount on Record |
| Prior Sale | Jun 11, 2013 · Amount on Record |
| Deed Document Number | 20244049211 |
| 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 | $73,760 (+2.2%) Land $31,546 Building $42,214 | $1,154,700 (-) Land $533,900 Building $620,800 | |
| 2025 | $6,881.00 (+3.27%) | $72,169 (-10.73%) Land $33,369 Building $38,800 | $1,154,700 (-4.3%) Land $533,900 Building $620,800 |
| 2023 | $6,663.00 (+13.86%) | $80,842 (+29.95%) Land $35,403 Building $45,439 | $1,206,600 (+34.8%) Land $528,400 Building $678,200 |
| 2022 | $5,852.00 | $62,210 Land $28,780 Building $33,430 | $895,100 Land $414,100 Building $481,000 |
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 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 Record 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.
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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