Boulder County property record for 3500 4th St, Boulder, CO 80304 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 4.25 ba · 5,747 sqft · built 1997 |
| Lot Size | 0.317 acres (13,798 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $1,800,000 (May 2014) |
| Tax Bill | $23,490 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-24-1-00-047 |
| Primary APN | 1461-24-1-00-047 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 4.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 5,747 sqft Living Area |
| Gross Area | 6,729 sqft |
| 1st Floor Area | 2,102 sqft |
| Upper Floors Area | 1,753 sqft |
| Basement Area | 2,092 sqft |
| Finished Basement | 1,892 sqft |
| Unfinished Basement | 200 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1997 |
|---|---|
| Effective Year Built | Effective 1997 |
| Architectural Style | A-Frame |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 13,798 sqft (0.317 acres) |
| Garage Type | Attached |
| Garage Area | 782 sqft |
| Parking Spaces | 3 Parking Spaces |
| Porch | Porch |
|---|---|
| Porch Area | 374 sqft |
| Deck Area | 438 sqft |
| Patio Area | 602 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0000998 |
|---|---|
| Street Address | 3500 4TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80304-1704 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 386-A LESS A-1 24-1N-71 BOOK 1275 PAGE 149 BCR |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 24 |
| Legal Subdivision | TR, NBR 128,158,172-178 FOOTHILLS |
| Legal Tract | 386-A |
| Legal Block | 2 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2009 |
| Census Tract | 12101 |
Source: Boulder County records · APN 1461-24-1-00-047
Assessment roll updated June 15, 2026 · Last verified June 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 File |
|---|---|
| Mailing Address | 3500 4TH ST, BOULDER, CO 80304-1704 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | May 30, 2014 · Amount on Record |
| Deed Sale | May 30, 2014 · Amount on Record |
| Prior Sale | Apr 05, 2000 · Amount on Record |
| Deed Document Number | 20143382633 |
| Prior Transfer Date | Oct 31, 2006 |
| Prior Transfer Doc | 0002815714 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County records · Assessment roll updated June 15, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Colorado |
| County | Boulder County |
| Municipality | Boulder City |
| Unified School District | Boulder Valley School District RE-2 (PK - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $268,043 (+8.8%) Land $138,598 Building $129,445 | $3,941,800 (-) Land $2,038,200 Building $1,903,600 | |
| 2025 | $23,490.00 (+0.29%) | $246,363 (-10.38%) Land $127,388 Building $118,975 | $3,941,800 (-3.93%) Land $2,038,200 Building $1,903,600 |
| 2023 | $23,421.00 (+1.97%) | $274,895 (+11.14%) Land $139,032 Building $135,863 | $4,102,900 (+15.29%) Land $2,075,100 Building $2,027,800 |
| 2022 | $22,969.00 | $247,343 Land $100,337 Building $147,006 | $3,558,900 Land $1,443,700 Building $2,115,200 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130121012, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Cost | Premium on Record median of 63 individual NFIP policies nearby |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 63 in force |
| Nearby Flood Claims | 25 (1990–2026) |
| Claims Outside the SFHA | 17 of 25 |
| Most Recent Claim | Jun 2026, rainfall accumulation |
| Claims By Storm |
|
| Wildfire Risk | High above 76% of the US · above 76% of Colorado |
|---|---|
| Wildfire Likelihood | About 1 in 195 per year |
| Exposure | Direct burnable vegetation at the parcel |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 431 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Ayva | Fixed Wireless (unlicensed) | 2,500 / 2,500 |
| Lumen Technologies | Fiber | 2,000 / 1,000 |
| Xfinity | Cable | 2,000 / 250 |
| Verizon | Fixed Wireless | 300 / 20 |
| Live Wire Networks | Fixed Wireless (licensed-by-rule) | 250 / 100 |
May also be available at this address: T-Mobile USA. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G (outdoors only) and 4G LTE
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