Boulder County property record for 4631 18th St, #B2, Boulder, CO 80304
| Property Type | Condominium |
|---|---|
| Details | 2 bd · 2 ba · 1,002 sqft · built 1999 |
| Lot Size | 0.001 acres (25 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $139,244 (Nov 2002) |
| Tax Bill | $918 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-07-0-12-002 |
| Primary APN | 1463-07-0-12-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 2 Beds |
|---|---|
| Full Baths | 2 Baths |
| Total Rooms | 5 Rooms |
| Building Area | 1,002 sqft Living Area |
| 1st Floor Area | 628 sqft |
| Upper Floors Area | 374 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1999 |
|---|---|
| Effective Year Built | Effective 1999 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Lot Area | 25 sqft (0.001 acres) |
| Porch | Porch |
| Porch Area | 66 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0143152 |
|---|---|
| Street Address | 4631 18TH ST, B2 |
| City | BOULDER |
| State | CO |
| Zip | 80304-4356 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | IMPS ONLY UNIT B2 BUENA VISTA CONDOS 2ND PHASE & UND 2.88% INT IN GCE SEE ID 143163 FOR LAND |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 07 |
| Legal Subdivision | BUENA VISTA CONDOS 2ND PHASE - BO |
| Legal Block | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1014 |
| Census Tract | 12105 |
Source: Boulder County records, as of June 15, 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 | 4631 18TH ST, B2, BOULDER, CO 80304-4356 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Vesting | Joint Tenants |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Nov 20, 2002 · Amount on Record |
| Deed Sale | Nov 20, 2002 · Amount on Record |
| Prior Sale | Nov 23, 1999 · Amount on Record |
| Deed Document Number | 20022359829 |
| Last Transfer Date | Aug 24, 2011 |
| Transfer Doc | 0003167949 |
| Record Updated | Sep 20, 2026 |
Source: Boulder County assessment roll, as of June 15, 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 | $10,485 (+8.8%) Building $10,485 | $154,197 (-) Building $154,197 | |
| 2025 | $918.00 (+55.07%) | $9,637 (-8.59%) Building $9,637 | $154,197 (-2.01%) Building $154,197 |
| 2023 | $592.00 (-37.62%) | $10,543 (+3.14%) Building $10,543 | $157,359 (+6.99%) Building $157,359 |
| 2022 | $949.00 | $10,222 Building $10,222 | $147,084 Building $147,084 |
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 minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 1 (1982) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Jul 1982 · tidal / storm surge |
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 61% of the US · above 49% of Colorado |
|---|---|
| Wildfire Likelihood | 0.2% 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 748 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 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| CenturyLink DSL · Fiber in parts of the area | 140 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
May also be available: T-Mobile.
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