Boulder County property record for 1633 18th St, Apt 3, Boulder, CO 80302
| Property Type | Condominium |
|---|---|
| Details | 1 bd · 1 ba · 483 sqft · built 1985 |
| Lot Size | 0.001 acres (25 sqft) |
| Owner | Individual Name on Record |
| Last Sale | $370,000 (Apr 2024) |
| Tax Bill | $2,204 (2025) |
| Flood Zone | Zone AE (high risk) |
| APN | 1463-30-8-69-003 |
| Primary APN | 1463-30-8-69-003 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 1 Bed |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 3 Rooms |
| Stories | 1 Story |
| Building Area | 483 sqft Living Area |
| 1st Floor Area | 483 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Condo/Apartment |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 25 sqft (0.001 acres) |
| Heating System | Hot Water |
|---|
| Account Number | R0505176 |
|---|---|
| Street Address | 1633 18TH ST, 3 |
| City | BOULDER |
| State | CO |
| Zip | 80302-6480 |
| Property Category | Residential |
| Property Type | Residential > Condominium / Townhouse > Condominium |
| Legal Description | UNIT 3 BLG A GROVE CREEK CONDOS |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 30 |
| Legal Subdivision | GROVE CREEK CONDOS |
| Legal Block | 1 |
| Legal Lot Number | 3 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1018 |
| Census Tract | 12206 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 1633 18TH ST, 3, BOULDER, CO 80302-6480 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Apr 24, 2024 · Amount on Record |
| Deed Sale | Apr 24, 2024 · Amount on Record |
| Prior Sale | Dec 14, 2015 · Amount on Record |
| Deed Document Number | 20244044667 |
| Prior Transfer Date | Apr 23, 2024 |
| Prior Transfer Doc | 0004044665 |
| 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 | $22,644 (-2.08%) Building $22,644 | $370,000 (-) Building $370,000 | |
| 2025 | $2,204.00 (+6.52%) | $23,125 (-13.64%) Building $23,125 | $370,000 (-7.42%) Building $370,000 |
| 2023 | $2,069.00 (+1.12%) | $26,776 (+26.15%) Building $26,776 | $399,642 (+30.86%) Building $399,642 |
| 2022 | $2,046.00 | $21,225 Building $21,225 | $305,400 Building $305,400 |
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 AE high risk |
|---|---|
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Varies along the reach; see FIRM |
| Flood Insurance Requirement | Required federally backed loans |
| Flood Insurance Cost | Premium on Record median of 101 individual policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 174 units insured incl. 73 condo units |
| Nearby Flood Claims | 10 (2013) |
| Most Recent Claim | Oct 2013 · rainfall accumulation |
| 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 | Low lower than 99.1% of the US · lower than 99.6% of Colorado |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond 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 432 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Ayva Networks Fixed Wireless | 2,500 / 2,500 |
| CenturyLink Fiber · DSL in parts of the area | 2,000 / 1,000 |
| Xfinity Cable | 2,000 / 250 |
| Verizon Fixed Wireless | 300 / 20 |
| LiveWireNet Fixed Wireless | 250 / 100 |
| T-Mobile Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
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