Boulder County property record for 405 Baseline Rd, Boulder, CO 80302 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 4 bd · 4.25 ba · 4,488 sqft · built 1960 |
| Lot Size | 0.342 acres (14,890 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $2,000,000 (Jul 2002) |
| Tax Bill | $27,782 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1461-36-4-00-023 |
| Primary APN | 1461-36-4-00-023 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 4.25 Baths |
| Half Baths | 2 Half Baths |
| Total Rooms | 10 Rooms |
| Stories | 1 Story |
| Building Area | 4,488 sqft Living Area |
| Gross Area | 5,052 sqft |
| 1st Floor Area | 3,119 sqft |
| Basement Area | 1,369 sqft |
| Finished Basement | 1,369 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1999 |
| Architectural Style | Ranch |
| Exterior Material | Combination |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 14,890 sqft (0.342 acres) |
| Garage Type | Attached |
| Garage Area | 564 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 412 sqft |
| Patio Area | 40 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0004952 |
|---|---|
| Street Address | 405 BASELINE RD |
| City | BOULDER |
| State | CO |
| Zip | 80302-7420 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | TRACT 2012 BOULDER 36-1N-71 BOOK 974 PAGE 198 BCR |
| Legal Range | 71 |
| Legal Township | 1N |
| Legal Section | 36 |
| Legal Subdivision | TR, NBR 101-103,105,107,109,170 |
| Legal Tract | 2012 |
| Legal Block | 3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3031 |
| Census Tract | 12201 |
Source: Boulder County records · APN 1461-36-4-00-023
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 | 405 BASELINE RD, BOULDER, CO 80302-7420 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Jul 02, 2002 · Amount on Record |
| Deed Sale | Jul 02, 2002 · Amount on Record |
| Prior Sale | Nov 20, 1995 · Amount on Record |
| Deed Document Number | 20022304145 |
| Last Transfer Date | Mar 17, 2016 |
| Transfer Doc | 0003507236 |
| 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 | $323,816 (+8.8%) Land $161,949 Building $161,867 | $4,762,000 (-) Land $2,381,600 Building $2,380,400 | |
| 2025 | $27,782.00 (+8.4%) | $297,625 (-3.1%) Land $148,850 Building $148,775 | $4,762,000 (+3.88%) Land $2,381,600 Building $2,380,400 |
| 2023 | $25,628.00 (+15.25%) | $307,149 (+24.66%) Land $152,057 Building $155,092 | $4,584,300 (+29.31%) Land $2,269,500 Building $2,314,800 |
| 2022 | $22,236.00 | $246,399 Land $124,746 Building $121,653 | $3,545,300 Land $1,794,900 Building $1,750,400 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130122013, 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 34 individual NFIP policies nearby |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 34 in force |
| Nearby Flood Claims | 29 (1983–2025) |
| Claims Outside the SFHA | 10 of 29 |
| Most Recent Claim | Apr 2025, other causes |
| Claims By Storm |
|
| Wildfire Risk | Very High above 92% of the US · above 96% of Colorado |
|---|---|
| Wildfire Likelihood | About 1 in 92 per year |
| Exposure | Direct burnable vegetation at the parcel |
Insurers in high-risk areas may require mitigation or decline coverage; check availability before making an offer.
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 80 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 | 1,200 / 35 |
| Live Wire Networks | Fixed Wireless (licensed-by-rule) | 250 / 100 |
May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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