La Crosse County property record for 510 E Larkspur Ln, Onalaska, WI 54650 · Last verified February 2026
| Property Type | Single Family Home |
|---|---|
| Lot Size | 0.989 acres (43,124 sqft) |
| Owner | Company Name on File |
| Last Sale | $775,000 (Aug 2023) |
| Tax Bill | $10,862 (2025) |
| Deeds & Mortgages | Mar 2020 Mortgage Aug 2023 Sale + 2 more |
| Flood Zone | Zone X (minimal risk) |
| APN | 018-004609-000 |
| Primary APN | 018-004609-000 |
|---|---|
| Alternative APNs |
|
| Lot Area | 43,124 sqft (0.989 acres) |
|---|
| Account Number | 44759 |
|---|---|
| Old Parcel Number | 18 4609 0 |
| Street Address | 510 E LARKSPUR LN |
| City | ONALASKA |
| State | WI |
| Zip | 54650-8304 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | ELMWOOD HILLS ADDITION LOT 10 |
| Legal Range | 07 |
| Legal Township | 16 |
| Legal Section | 02 |
| Legal Quarter | NW |
| Quarter-Quarter Section | SW |
| Legal Subdivision | ELMWOOD HILLS ADDITION |
| Legal Lot Number | 10 |
| Jurisdiction | LA CROSSE WI |
| Township / Civil Division | ONALASKA |
| Census Block Group | 4 |
| Census Block | 4011 |
| Census Tract | 10401 |
Source: La Crosse County records · APN 018-004609-000
Assessment roll updated January 1, 2025 · Last verified February 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 510 E LARKSPUR LN, ONALASKA, WI 54650-8304 |
| Occupancy | Owner Occupied |
| Owner Type | Company |
| Date | Document |
|---|---|
| Mar 11, 2020 | Deed of Trust, Mortgage · Conventional Mortgage ALTRA FCU |
| Aug 25, 2023 | Warranty Deed, Transfer |
| Jun 22, 2020 | Warranty Deed, Transfer · Conventional Mortgage ALTRA FCU |
| Jun 22, 2020 | Warranty Deed, Transfer · Conventional Mortgage ALTRA FCU |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Aug 25, 2023 · Amount on Record |
| Deed Sale | Aug 25, 2023 · Amount on Record |
| Prior Sale | Jun 22, 2020 · Amount on Record |
| Deed Document Number | 1811453 |
| Record Updated | Jun 08, 2026 |
| Document Type | Deed of Trust |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Property Address | 510 E LARKSPUR LN, ONALASKA, WI 54650-8304 |
| Transaction Type | Mortgage |
| Record Updated | Sep 20, 2023 |
| Name | Verified Name |
|---|
| Document Number | 0001742144 |
|---|---|
| Date | Mar 11, 2020 |
| Instrument | 1742144 |
| Name | ALTRA FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Mar 01, 2035 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Recording Date | Aug 25, 2023 |
| Property Address | 510 E LARKSPUR LN, ONALASKA, WI 54650-8304 |
| Document Number | 0001811453 |
| Instrument Date | Aug 23, 2023 |
| Instrument | 1811453 |
| Transaction Type | Transfer |
| Record Updated | Sep 20, 2023 |
| Amount | Amount Recorded |
|---|---|
| Tax | $2,325.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Recording Date | Jun 22, 2020 |
| Property Address | 510 E LARKSPUR LN, ONALASKA, WI 54650-8304 |
| Document Number | 1748612 |
| Instrument Date | Jun 10, 2020 |
| Instrument | 1748612 |
| Transaction Type | Transfer |
| Record Updated | Feb 06, 2021 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,545.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 510 E LARKSPUR LN, ONALASKA, WI 54650-8304 |
| Document Number | 1748613 |
|---|---|
| Date | Jun 22, 2020 |
| Instrument | 1748613 |
| Name | ALTRA FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Jul 01, 2035 |
| Rate Type | Fixed Rate |
|---|
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | LA CROSSE WI |
| Recording Date | Jun 22, 2020 |
| Property Address | 510 E LARKSPUR LN, ONALASKA, WI 54650-8304 |
| Document Number | 0001748612 |
| Instrument Date | Jun 10, 2020 |
| Instrument | 1748612 |
| Transaction Type | Transfer |
| Record Updated | Sep 20, 2023 |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $1,545.00 |
| Amount Accuracy | Calculated from Transfer Tax |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 510 E LARKSPUR LN, ONALASKA, WI 54650-8304 |
| Document Number | 0001748613 |
|---|---|
| Date | Jun 22, 2020 |
| Instrument | 1748613 |
| Name | ALTRA FCU |
|---|---|
| Type | Credit Union |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Jul 01, 2035 |
| Rate Type | Fixed Rate |
|---|
Source: La Crosse County records · Assessment roll updated January 1, 2025 · Last verified February 2026
| Type | Name |
|---|---|
| State | Wisconsin |
| County | La Crosse County |
| Municipality | Onalaska City |
| Unified School District | Onalaska School District (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $10,862.00 (+20.69%) Homeowner's exemption | $804,100 (+50.86%) Land $110,100 Building $694,000 | $813,400 (+52.61%) |
| 2023 | $9,000.00 (+4.24%) Homeowner's exemption | $533,000 (-) Land $87,700 Building $445,300 | $533,000 (-) Land $87,700 Building $445,300 |
| 2022 | $8,634.00 Homeowner's exemption | $533,000 Land $87,700 Building $445,300 | $533,000 Land $87,700 Building $445,300 |
Source: FEMA National Flood Hazard Layer, La Crosse County (55063C), updated February 3, 2023 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 550630104014, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Nearby Flood Policies | 1 in force |
| Wildfire Risk | Low above 20% of the US · above 57% of Wisconsin |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
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: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 145 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| TDS Telecom | Fiber | 8,000 / 8,000 |
| Spectrum | Cable | 1,000 / 1,000 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Verizon, Lemonweir Valley Telephone Company. Availability varies by address; speeds are provider-advertised maximums, not measured.
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