Boulder County property record for 448 S Lashley Ln, Boulder, CO 80305
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,026 sqft · built 1956 |
| Lot Size | 0.159 acres (6,940 sqft) |
| Owner | Individual Name on File |
| Last Sale | $78,000 (Oct 1989) |
| Tax Bill | $3,133 (2025) |
| Flood Zone | Zone X (moderate risk) |
| APN | 1577-05-3-35-007 |
| Primary APN | 1577-05-3-35-007 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Total Rooms | 5 Rooms |
| Stories | 1 Story |
| Building Area | 1,026 sqft Living Area |
| Gross Area | 2,322 sqft |
| 1st Floor Area | 1,026 sqft |
| Basement Area | 1,026 sqft |
| Interior Walls | Wallboard/Drywall |
| Year Built | Built 1956 |
|---|---|
| Effective Year Built | Effective 1956 |
| Architectural Style | Ranch |
| Exterior Material | Brick Veneer |
| Construction Type | Masonry / Concrete Block |
| Lot Area | 6,940 sqft (0.159 acres) |
| Garage Type | Attached |
| Garage Area | 270 sqft |
| Parking Spaces | 1 Parking Space |
| Heating System | Forced Air with A/C |
|---|
| Account Number | R0012330 |
|---|---|
| Street Address | 448 S LASHLEY LN |
| City | BOULDER |
| State | CO |
| Zip | 80305-5446 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LOT 7 BLK 19 HIGHLAND PARK 4 |
| Legal Range | 70 |
| Legal Township | 1S |
| Legal Section | 05 |
| Legal Subdivision | HIGHLAND PARK 4 - BO |
| Legal Block | 19 |
| Legal Lot Number | 7 |
| Jurisdiction | BOULDER CO |
| Township / Civil Division | BOULDER |
| Census Block Group | 3 |
| Census Block | 3003 |
| Census Tract | 12507 |
448 S Lashley Ln is owned and occupied by an individual who bought it in October 1989.
Source: Boulder County records, as of September 18, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 448 S LASHLEY LN, BOULDER, CO 80305-5446 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Oct 18, 1989 · Amount on File |
| Deed Sale | Oct 18, 1989 · Amount on File |
| Prior Sale | Mar 23, 1974 · Amount on File |
| Deed Document Number | 19891009056 |
| Record Updated | Oct 29, 2026 |
The 2025 property tax bill for 448 S Lashley Ln was $3,133.
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 | $38,299 (-2.08%) Land $28,609 Building $9,690 | $625,800 (-) Land $483,300 Building $142,500 | |
| 2025 | $3,133.00 | $39,112 Land $30,206 Building $8,906 | $625,800 Land $483,300 Building $142,500 |
| 2023 | $3,024.00 (+13.64%) | $45,406 (+27.5%) Land $35,865 Building $9,541 | $677,700 (+32.26%) Land $535,300 Building $142,400 |
| 2022 | $2,661.00 | $35,612 Land $26,702 Building $8,910 | $512,400 Land $384,200 Building $128,200 |
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.
FEMA maps place 448 S Lashley Ln in Zone X, an area of moderate flood risk, though there have been 7 flood claims nearby since 1979.
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 |
| 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 | 7 (1979–2022) |
| Claims Outside the SFHA | 5 of 7 |
| Most Recent Claim | Jul 2022 · 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.
Wildfire risk around 448 S Lashley Ln is moderate, ranking above 53% of the US, with a 0.1% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Moderate above 53% of the US · lower than 63% of Colorado |
|---|---|
| Wildfire Likelihood | 0.1% 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 515 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: AT&T.
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