Kendall County property record for 343 Boulder Hill Pass, Oswego, IL 60543
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1.5 ba · 1,520 sqft · built 1977 |
| Lot Size | 0.209 acres (9,081 sqft) |
| Owner | Company Name on File |
| Last Sale | $255,000 (May 2022) |
| Tax Bill | $5,788 (2024) |
| Deeds & Mortgages | May 2022 Sale & Mortgage Jan 2017 Sale & Mortgage |
| Flood Zone | Zone X (minimal risk) |
| APN | 03-09-303-012 |
| Primary APN | 03-09-303-012 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1.5 Baths |
| Half Baths | 1 Half Bath |
| Total Rooms | 6 Rooms |
| Stories | 1 Story |
| Building Area | 1,520 sqft Living Area |
| Gross Area | 1,920 sqft |
| 1st Floor Area | 1,520 sqft |
| Year Built | Built 1977 |
|---|---|
| Effective Year Built | Effective 1977 |
| Architectural Style | Ranch |
| Exterior Material | Aluminum/Vinyl |
| Construction Type | Frame |
| Roof Material | Asphalt |
| Lot Area | 9,081 sqft (0.209 acres) |
| Garage Type | Attached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Cooling System | Central |
|---|---|
| Water Source | Commercial |
| Street Address | 343 BOULDER HILL PASS |
|---|---|
| City | OSWEGO |
| State | IL |
| Zip | 60543-9409 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | LT 92 BOULDER HILL UNIT 28 VILLAGE OF OSWEGO |
| Legal Subdivision | BOULDER HILL |
| Legal Lot Number | 92 |
| Jurisdiction | KENDALL IL |
| Township / Civil Division | OSWEGO |
| Census Block Group | 1 |
| Census Block | 1008 |
| Census Tract | 890302 |
Source: Kendall County records · APN 03-09-303-012
Assessment roll updated May 27, 2026 · Last verified June 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 | 343 BOULDER HILL PASS, OSWEGO, IL 60543-9409 |
| Owner Type | Company |
| Vesting | Borrower in Default |
| Date | Document |
|---|---|
| May 13, 2022 | Warranty Deed, Transfer · Conventional Mortgage OLD SECOND NATIONAL BANK |
| Jan 10, 2017 | Warranty Deed, Transfer · VA Mortgage KEY MORTGAGE SERVICES INC |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 13, 2022 · Amount on Record |
| Deed Sale | May 13, 2022 · Amount on Record |
| Prior Sale | Jan 10, 2017 · Amount on Record |
| Deed Document Number | 20228492 |
| Record Updated | Sep 20, 2026 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | KENDALL IL |
| Recording Date | May 13, 2022 |
| Property Address | 343 BOULDER HILL PASS, OSWEGO, IL 60543-9409 |
| Document Number | 0000008492 |
| Instrument Date | Apr 08, 2022 |
| Instrument | 202200008492 |
| Transaction Type | Transfer |
| Record Updated | Jun 07, 2023 |
| Title Company | BAIRD & WARNER TTL SVCS INC |
| Amount | Amount Recorded |
|---|---|
| Downpayment | Downpayment on File |
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $255.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 7440 W 57TH PL, SUMMIT, IL 60501-1313 |
| Document Number | 0000008493 |
|---|---|
| Date | May 13, 2022 |
| Instrument | 202200008493 |
| Name | OLD SECOND NATIONAL BANK |
|---|---|
| Type | Bank |
| Type | Conventional Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 360 Months |
| Due | May 01, 2052 |
| Document Type | Warranty Deed |
|---|---|
| Jurisdiction | KENDALL IL |
| Recording Date | Jan 10, 2017 |
| Property Address | 343 BOULDER HILL PASS, OSWEGO, IL 60543-9409 |
| Document Number | 0000000628 |
| Instrument Date | Dec 22, 2016 |
| Instrument | 201700000628 |
| Transaction Type | Transfer |
| Record Updated | May 11, 2021 |
| Title Company | FIRST AMERICAN TITLE |
| Amount | Amount Recorded |
|---|---|
| Loan-to-Value (LTV) | LTV on Record |
| Tax | $170.00 |
| Amount Accuracy | Rounded by County |
| Additional |
|
| Name | Verified Name |
|---|
| Name | Verified Name |
|---|---|
| Address | 343 BOULDER HILL PASS, OSWEGO, IL 60543-9409 |
| Document Number | 0000000629 |
|---|---|
| Date | Jan 10, 2017 |
| Instrument | 201700000629 |
| Name | KEY MORTGAGE SERVICES INC |
|---|---|
| Type | Mortgage Company |
| Type | VA Mortgage |
|---|---|
| Amount | Amount Recorded |
| Term | 180 Months |
| Due | Jan 01, 2032 |
| Rate Type | Fixed Rate |
|---|---|
| Rate | 3.37% |
Source: Kendall County records · Assessment roll updated May 27, 2026 · Last verified June 2026
| Type | Name |
|---|---|
| State | Illinois |
| County | Kendall County |
| County Subdivision | Oswego Township |
| Municipality | Oswego Village |
| Unified School District | Oswego Community Unit School District 308 (PK - 12) |
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.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $93,966 (+21.23%) Land $23,662 Building $70,304 | $281,898 (+21.23%) Land $70,986 Building $210,912 | |
| 2024 | $5,788.00 | ||
| 2022 | $77,510 Land $19,518 Building $57,992 | $232,530 Land $58,554 Building $173,976 |
Source: FEMA National Flood Hazard Layer, Kendall County (17093C), as of September 18, 2025 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 170938903021, as of September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition, as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 in force |
| Nearby Flood Claims | 3 (1996–2013) |
| Claims Outside the SFHA | 1 of 3 |
| Most Recent Claim | Apr 2013 · Severe Storms, Straight-line Winds, And Flooding |
| Claims by Event |
|
| Wildfire Risk | Low lower than 98% of the US · lower than 86% of Illinois |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | None beyond ember reach |
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 as of December 31, 2025 · Last verified October 2026
| Provider | Max Down / Up (Mbps) |
|---|---|
| Metronet Holdings Fiber | 5,120 / 5,120 |
| Xfinity Cable | 2,000 / 250 |
| Benton Ridge Telephone Company Fixed Wireless | 400 / 40 |
| Verizon Fixed Wireless | 300 / 20 |
| T-Mobile USA Fixed Wireless | 100 / 20 |
| AT&T Fixed Wireless | 100 / 20 |
Based on FCC filings for 405 locations within half a mile of this property.
Source: EPA Safe Drinking Water Information System, water system IL0930150, as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026
| Water System | OSWEGO serves 38,169 people |
|---|---|
| Water Source | Groundwater |
| Last State Inspection | Oct 2025 |
| Lead | Under 1 ppb (2025) action level 15 ppb |
| Water Quality | Radium resolved · Jan 2017 |
|---|---|
| Treatment and Procedure | None last 10 years |
| Monitoring and Reporting | 1 last 3 years |
Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The service area is an EPA estimate; the actual supplier may differ. The full violation and enforcement history is in the system's EPA record.
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