Boulder County property record for 890 18th St, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 2.5 ba · 2,416 sqft · built 1985 |
| Lot Size | 0.079 acres (3,432 sqft) |
| Owner | Individual Name on Record |
| Tax Bill | $7,913 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-31-4-20-001 |
| Primary APN | 1463-31-4-20-001 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 8 Rooms |
| Stories | 2 Stories |
| Building Area | 2,416 sqft Living Area |
| 1st Floor Area | 888 sqft |
| Upper Floors Area | 1,528 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1985 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 3,432 sqft (0.079 acres) |
| Porch | Porch |
| Porch Area | 72 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0103777 |
|---|---|
| Street Address | 890 18TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-7608 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 1 GTS SUB |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 31 |
| Legal Subdivision | GTS SUB - BO |
| Legal Block | 2 |
| Legal Lot Number | 1 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 2 |
| Census Block | 2011 |
| Census Tract | 12401 |
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 | Individual Name on Record |
|---|---|
| Mailing Address | 1310 COLLEGE AVE, 310, BOULDER, CO 80302-7324 |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Dec 19, 1985 |
| Deed Sale | Dec 19, 1985 |
| Deed Document Number | 1985732503 |
| 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 | $89,380 (+8.8%) Land $44,418 Building $44,962 | $1,314,400 (-) Land $653,200 Building $661,200 | |
| 2025 | $7,913.00 (+14.73%) | $82,150 (-0.65%) Land $40,825 Building $41,325 | $1,314,400 (+6.5%) Land $653,200 Building $661,200 |
| 2023 | $6,897.00 (+5.09%) | $82,691 (+18.34%) Land $41,600 Building $41,091 | $1,234,200 (+22.76%) Land $620,900 Building $613,300 |
| 2022 | $6,563.00 | $69,876 Land $34,083 Building $35,793 | $1,005,400 Land $490,400 Building $515,000 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
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 |
| Nearby Flood Claims | 1 (2013) |
| Claims Outside the SFHA | 1 of 1 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
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 80% of the US · lower than 91% of Colorado |
|---|---|
| Wildfire Likelihood | 0.02% 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 481 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 |
May also be available: Magnolia Road Internet Cooperative.
Search by:
By searching, you agree to: Terms • Privacy • Disclosures