Boulder County property record for 1850 Tansy Pl, Boulder, CO 80304
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 2.5 ba · 2,190 sqft · built 2004 |
| Lot Size | 0.085 acres (3,695 sqft) |
| Owner | 2 Individual Names on Record |
| Last Sale | $549,859 (Jun 2005) |
| Tax Bill | $6,937 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 1463-07-0-21-028 |
| Primary APN | 1463-07-0-21-028 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 2 Stories |
| Building Area | 2,190 sqft Living Area |
| Gross Area | 3,514 sqft |
| 1st Floor Area | 973 sqft |
| Upper Floors Area | 1,217 sqft |
| Basement Area | 973 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 2004 |
|---|---|
| Effective Year Built | Effective 2004 |
| Architectural Style | A-Frame |
| Exterior Material | Wood Shingle |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 3,695 sqft (0.085 acres) |
| Garage Type | Attached |
| Garage Area | 351 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Porch |
| Porch Area | 172 sqft |
| Deck Area | 156 sqft |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0502038 |
|---|---|
| Street Address | 1850 TANSY PL |
| City | BOULDER |
| State | CO |
| Zip | 80304-0891 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 28 SANITAS TERRACE |
| Legal Range | 70 |
| Legal Township | 1N |
| Legal Section | 07 |
| Legal Subdivision | SANITAS TERRACE |
| Legal Block | 1 |
| Legal Lot Number | 28 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 1 |
| Census Block | 1003 |
| 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 | 1850 TANSY PL, BOULDER, CO 80304-0891 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Names on Deed |
|---|---|
| Last Sale | Jun 21, 2005 · Amount on Record |
| Deed Sale | Jun 21, 2005 · Amount on Record |
| Prior Sale | Sep 24, 2004 · Amount on Record |
| Deed Document Number | 20052697708 |
| Last Transfer Date | Aug 4, 2010 |
| Transfer Doc | 0003091733 |
| 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 | $79,159 (+8.8%) Land $35,272 Building $43,887 | $1,164,100 (-) Land $518,700 Building $645,400 | |
| 2025 | $6,937.00 (+2.68%) | $72,757 (-11.19%) Land $32,419 Building $40,338 | $1,164,100 (-4.8%) Land $518,700 Building $645,400 |
| 2023 | $6,756.00 (+14.74%) | $81,928 (+29.21%) Land $33,507 Building $48,421 | $1,222,800 (+34.03%) Land $500,100 Building $722,700 |
| 2022 | $5,888.00 | $63,405 Land $27,036 Building $36,369 | $912,300 Land $389,000 Building $523,300 |
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 | High above 80% of the US · above 82% of Colorado |
|---|---|
| Wildfire Likelihood | 0.7% annual chance |
| Exposure | Direct burnable vegetation |
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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