Boulder County property record for 2346 18th St, Boulder, CO 80304 · Last verified June 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2 ba · 2,139 sqft · built 1925 |
| Lot Size | 0.155 acres (6,728 sqft) |
| Owner | 2 Individual Names on File |
| Last Sale | $740,000 (Oct 2005) |
| Tax Bill | $10,802 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-30-2-28-001 |
| Primary APN | 1463-30-2-28-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,139 sqft Living Area |
| Gross Area | 2,483 sqft |
| 1st Floor Area | 1,270 sqft |
| Upper Floors Area | 869 sqft |
| Basement Area | 288 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1925 |
|---|---|
| Effective Year Built | Effective 1989 |
| Exterior Material | Combination |
| Construction Type | Masonry / Concrete Block |
| Roof Material | Asphalt |
| Lot Area | 6,728 sqft (0.155 acres) |
| Garage Area | 792 sqft |
| Porch | Enclosed Porch |
| Porch Area | 173 sqft |
| Heating System | Hot Water |
|---|
| Account Number | R0003092 |
|---|---|
| Street Address | 2346 18TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80304-4261 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | N 1/3 LOTS 1 2 & 3 LESS E 7 FT LOT 3 BLK 23 BOULDER NORTH |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | BOULDER O T EAST & WEST & NORTH - BO |
| Legal Block | 23 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1013 |
| Census Tract | 12106 |
Source: Boulder County records · APN 1463-30-2-28-001
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 | 2346 18TH ST, BOULDER, CO 80304-4261 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Last Sale | Oct 31, 2005 · Amount on Record |
| Deed Sale | Oct 31, 2005 · Amount on Record |
| Prior Sale | Oct 01, 2001 · Amount on Record |
| Deed Document Number | 20052733674 |
| Prior Transfer Date | Feb 13, 2001 |
| Prior Transfer Doc | 0002125890 |
| 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 | $130,064 (+8.8%) Land $71,577 Building $58,487 | $1,912,700 (-) Land $1,052,600 Building $860,100 | |
| 2025 | $10,802.00 (+2.78%) | $119,544 (-9.5%) Land $65,788 Building $53,756 | $1,912,700 (-2.98%) Land $1,052,600 Building $860,100 |
| 2023 | $10,510.00 (+18.88%) | $132,091 (+29.3%) Land $69,285 Building $62,806 | $1,971,500 (+34.12%) Land $1,034,100 Building $937,400 |
| 2022 | $8,841.00 | $102,158 Land $54,071 Building $48,087 | $1,469,900 Land $778,000 Building $691,900 |
Source: FEMA National Flood Hazard Layer, Boulder County (08013C), updated October 14, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 080130121061, 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 |
| Flood Insurance Cost | Premium on Record median of 27 individual NFIP policies nearby |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 102 units insured 75 under condo master policies |
| Nearby Flood Claims | 4 (2013–2023) |
| Most Recent Claim | Mar 2023, other causes |
| Claims By Storm |
|
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
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 544 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 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: AT&T. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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