Boulder County property record for 444 18th St, Boulder, CO 80302
| Property Type | Single Family Home |
|---|---|
| Details | 6 bd · 4.5 ba · 4,653 sqft · built 2005 |
| Lot Size | 0.228 acres (9,912 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $3,494,600 (May 2022) |
| Tax Bill | $19,966 (2025) |
| Deeds & Mortgages | May 2022 Sale |
| Flood Zone | Zone X (moderate risk) |
| APN | 1577-06-2-09-002 |
| Primary APN | 1577-06-2-09-002 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 6 Beds |
|---|---|
| Full Baths | 4.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 12 Rooms |
| Stories | 2 Stories |
| Building Area | 4,653 sqft Living Area |
| Gross Area | 5,344 sqft |
| 1st Floor Area | 1,956 sqft |
| Upper Floors Area | 1,382 sqft |
| Basement Area | 1,396 sqft |
| Finished Basement | 1,315 sqft |
| Unfinished Basement | 81 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2005 |
|---|---|
| Effective Year Built | Effective 2005 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 9,912 sqft (0.228 acres) |
| Garage Type | Attached |
| Garage Area | 610 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Porch |
| Porch Area | 165 sqft |
| Cooling System | Central |
|---|---|
| Heating System | Forced Air with A/C |
| Account Number | R0008525 |
|---|---|
| Street Address | 444 18TH ST |
| City | BOULDER |
| State | CO |
| Zip | 80302-7946 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | W1/2 LOT 5 & ALL LOT 6 BLK 14 FLORAL PARK |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 06 |
| Legal Subdivision | FLORAL PARK & WEIHOFEN RESUB - BO |
| Legal Block | 14 |
| Legal Lot Number | 5 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1018 |
| Census Tract | 12505 |
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 | 444 18TH ST, BOULDER, CO 80302-7946 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | May 2, 2022 · Amount on Record |
| Deed Sale | May 2, 2022 · Amount on Record |
| Prior Sale | Jul 20, 2006 · Amount on Record |
| Deed Document Number | 20223959626 |
| Prior Transfer Date | Oct 15, 2004 |
| Prior Transfer Doc | 0002758224 |
| Record Updated | Sep 20, 2026 |
| Document Type | Special Warranty Deed |
|---|---|
| Jurisdiction | BOULDER CO |
| Recording Date | May 2, 2022 |
| Property Address | 444 18TH ST, BOULDER, CO 80302-7946 |
| Document Number | 0003959626 |
| Instrument Date | Apr 27, 2022 |
| Instrument | 3959626 |
| Transaction Type | Transfer |
| Record Updated | May 16, 2022 |
| Title Company | FIRST AMERICAN |
| Amount | Amount Recorded |
|---|---|
| Tax | $349.46 |
| Amount Accuracy | Full Amount Stated |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 54 RIVERSIDE DR # 38, 38, NEW YORK, NY 10024-6509 |
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 | $227,828 (+8.8%) Land $75,494 Building $152,334 | $3,350,400 (-) Land $1,110,200 Building $2,240,200 | |
| 2025 | $19,966.00 (+11.37%) | $209,401 (-0.89%) Land $69,388 Building $140,013 | $3,350,400 (+6.25%) Land $1,110,200 Building $2,240,200 |
| 2023 | $17,927.00 (-0.37%) | $211,277 (+9.04%) Land $70,698 Building $140,579 | $3,153,400 (+13.11%) Land $1,055,200 Building $2,098,200 |
| 2022 | $17,993.00 | $193,759 Land $57,921 Building $135,838 | $2,787,900 Land $833,400 Building $1,954,500 |
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 moderate risk |
|---|---|
| 500-Year Floodplain | Yes 0.2% annual chance |
| Nearest Special Flood Hazard Area | Zone AE, within 100 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Flood Insurance Cost | Premium on Record median of 15 policies |
| Community Rating System | Class 5 (25% premium discount) |
| Nearby Flood Policies | 15 in force |
| Nearby Flood Claims | 12 (1994–2013) |
| Claims Outside the SFHA | 4 of 12 |
| Most Recent Claim | Sep 2013 · Severe Storms, Flooding, Landslides, And Mudslides |
| 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 | Moderate above 67% of the US · above 59% 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 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.
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