420 E Prospect Ave, Ottawa, IL 61350 Property Records

LaSalle County property record for 420 E Prospect Ave, Ottawa, IL 61350

Property Summary

Property TypeSingle Family Home
Details2.5 ba · 3,304 sqft · built 1889
Lot Size2.05 acres (89,298 sqft)
Owner2 Individual Names on Record
Tax Bill$27,460 (2025)
Flood ZoneZone X (minimal risk)
APN22-12-334-010

Property Details

APN / Parcel Number

Primary APN22-12-334-010
Alternative APN
  • 18-12-351-008

Interior

Full Baths2.5 Baths
Half Baths1 Half Bath
Plumbing Fixtures5 Plumbing Fixtures
Stories2 Stories
Building Area3,304 sqft Total Area
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1889
Effective Year BuiltEffective 1889
Lot Area89,298 sqft (2.05 acres)

Location & Zoning

Street Address420 E PROSPECT AVE
CityOTTAWA
StateIL
Zip61350-3638
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionRESUB OF BLK 2 IN HIGHLAND ADD, LTS 1 RIVER AVE & PT OL C LT 2 BLK 2 SEC 12-33-3
Legal Range03
Legal Township33
Legal Section12
Legal SubdivisionRESUB OF BLK 2 IN HIGHLAND ADD
Legal Block2
Legal Lot Number1-2
JurisdictionLASALLE IL
Township / Civil DivisionSOUTH OTTAWA
Census Block Group1
Census Block1000
Census Tract963600

Owner

Source: LaSalle County records, as of October 20, 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record2 Individual Names on Record
Mailing Address420 E PROSPECT AVE, OTTAWA, IL 61350-3638
OccupancyOwner Occupied
Owner TypeIndividual
VestingBorrower in Default

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last Transfer DateFeb 27, 2014
Transfer Doc201404048
Record UpdatedOct 29, 2026

Tax Assessment & Valuation

Source: LaSalle County assessment roll, as of June 29, 2026

Property Jurisdictions

TypeName
StateIllinois
CountyLaSalle County
County SubdivisionSouth Ottawa Township
MunicipalityOttawa City
Elementary School DistrictOttawa Elementary School District 141 (PK - 08)
Secondary School DistrictOttawa Township High School District 140 (09 - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$27,460.00 (+5.9%)$278,671 (+8.5%) Land $89,133 Building $189,538$836,013 (+8.5%) Land $267,399 Building $568,614
2024$25,929.00$256,839 (+8.74%) Land $82,150 Building $174,689$770,517 (+8.74%) Land $246,450 Building $524,067
2023$236,195 (+9.53%) Land $75,547 Building $160,648$708,585 (+9.53%) Land $226,641 Building $481,944
2022$215,644 Land $68,974 Building $146,670$646,932 Land $206,922 Building $440,010

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

Source: FEMA National Flood Hazard Layer, effective March 29, 2024 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood ZoneZone X
minimal risk
Nearest Special Flood Hazard AreaZone AE, within 500 ft
Flood Insurance RequirementNot required
lenders may require it
Community Rating SystemClass 2 (40% premium discount)
Nearby Flood Policies1 in force
Nearby Flood Claims4 (1996–1997)
Most Recent ClaimFeb 1997 · river or lake flooding
Claims by Event
  • Severe Storms And Flooding, Jul 1996 · 2 claims

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

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire RiskLow
lower than 96% of the US · lower than 74% of Illinois
Wildfire LikelihoodUnder 0.01% annual chance
ExposureDirect
burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water SystemOTTAWA
serves 18,097 people · EPA ID IL0990800
Water SourceGroundwater
Last State InspectionJul 2025
LeadUnder 1 ppb (2026–2028)
action level 15 ppb

Violations Reported to EPA

Water QualityRadium
resolved · Jul 2023
Treatment and ProcedureNone
last 10 years
Monitoring and Reporting5
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. The service area is an EPA estimate; the actual supplier may differ.

Internet Providers

Source: FCC Broadband Data Collection, based on 325 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Surf Internet
Fiber
1,000 / 1,000
Mediacom Xtream
Cable · Fixed Wireless · Fiber in parts of the area
1,000 / 50
Verizon
Fixed Wireless
300 / 20

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