420 Cornwall Ave, Waterloo, IA 50702 Property Records

Black Hawk County property record for 420 Cornwall Ave, Waterloo, IA 50702

Property Summary

Property Type	Single Family Home
Details	3 bd · 1 ba · 1,555 sqft · built 1940
Lot Size	0.193 acres (8,400 sqft)
Owner	Company Name on Record
Last Sale	$125,500 (Oct 2025)
Tax Bill	$3,666 (2025)
Deeds & Mortgages	Oct 2025 Sale & Line of Credit Jul 2018 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`8913-35-328-004`

Property Details

APN / Parcel Number

Primary APN	`8913-35-328-004`

Interior

Bedrooms	3 Beds
Full Baths	1 Bath
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,555 sqft Living Area
1st Floor Area	896 sqft
Basement Area	928 sqft
Flooring	Carpet
Interior Walls	Plaster

Exterior

Year Built	Built 1940
Effective Year Built	Effective 1940
Exterior Material	Aluminum Siding
Construction Type	Frame
Roof Type	Gable
Roof Material	Asphalt
Lot Area	8,400 sqft (0.193 acres)
Lot Dimensions	140 ft deep x 60 ft wide
Garage Type	Detached
Garage Area	240 sqft
Parking Spaces	1 Parking Space

Exterior Amenities

Porch	Enclosed Porch
Porch Area	120 sqft
Deck Area	386 sqft
Patio Area	386 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	HVAC

Location & Zoning

Street Address	420 CORNWALL AVE
City	WATERLOO
State	IA
Zip	50702-3818
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	M E GEORGE ADDITION LOT 5
Legal Range	13W
Legal Township	89N
Legal Section	35
Legal Subdivision	M E GEORGE ADDITION
Legal Lot Number	5
Jurisdiction	BLACK HAWK IA
Township / Civil Division	WATERLOO
Census Block Group	1
Census Block	1010
Census Tract	1200

Owner

Source: Black Hawk County records, as of May 27, 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 Record
Mailing Address	PO BOX 231, DIKE, IA 50624-0231
Owner Type	Company
Vesting	Limited Liability Partnership

Deeds, Mortgages & Sale History

Date	Document
Oct 6, 2025	Warranty Deed, Transfer · Line of Credit CEDAR FALLS COMMUNITY CU
Jul 27, 2018	Warranty Deed, Transfer VERIDIAN CREDIT UNION

Assessor's Deed Record

Deed Names	Name on Deed
Last Sale	Oct 6, 2025 · Amount on Record
Deed Sale	Oct 6, 2025 · Amount on Record
Prior Sale	Jul 27, 2018 · Amount on Record
Deed Document Number	202514671
Record Updated	Sep 20, 2026

October 2025: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BLACK HAWK IA
Recording Date	Oct 6, 2025
Property Address	420 CORNWALL AVE, WATERLOO, IA 50702-3818
Document Number	0202514671
Instrument Date	Oct 2, 2025
Instrument	2025-14671
Transaction Type	Transfer
Record Updated	Nov 7, 2025

Transaction

Amount	Amount Recorded
Loan-to-Value (LTV)	LTV on Record
Tax	$200.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	PO BOX 231, DIKE, IA 50624-0231

Mortgage

Document Number	0202515306
Date	Oct 6, 2025
Instrument	2025-15306

Lender

Name	CEDAR FALLS COMMUNITY CU
Type	Credit Union

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	301 Months
Due	Nov 10, 2050

Interest

Change Frequency	Monthly

July 2018: Warranty Deed, Transfer

Document Type	Warranty Deed
Jurisdiction	BLACK HAWK IA
Recording Date	Jul 27, 2018
Property Address	420 CORNWALL AVE, WATERLOO, IA 50702-3818
Document Number	201900001527
Instrument Date	Jul 21, 2018
Instrument	201900001527
Transaction Type	Transfer
Record Updated	Oct 20, 2025

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on Record
Loan-to-Value (LTV)	LTV on Record
Tax	$0.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	420 CORNWALL AVE, WATERLOO, IA 50702-3818

Mortgage

Document Number	201900001528
Date	Jul 27, 2018
Instrument	201900001528

Lender

Name	VERIDIAN CREDIT UNION
Type	Credit Union

Agreement

Amount	Amount Recorded
Term	354 Months
Due	Jan 1, 2048

Tax Assessment & Valuation

Source: Black Hawk County assessment roll, as of October 17, 2025

Property Jurisdictions

Type	Name
State	Iowa
County	Black Hawk County
Municipality	Waterloo City
Unified School District	Waterloo Community School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025	$3,666.00	$166,950 (-1.22%) Land $21,000 Building $145,950	$166,950 (-1.22%) Land $21,000 Building $145,950
2024	$3,666.00 (+32.92%)
2023		$169,020 (+34.6%) Land $21,000 Building $148,020	$169,020 (+34.6%) Land $21,000 Building $148,020
2022	$2,758.00	$125,570 Land $21,000 Building $104,570
2021			$125,570 Land $21,000 Building $104,570

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 September 27, 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
Nearby Flood Policies	1 in force
Nearby Flood Claims	14 (1979–2018)
Claims Outside the SFHA	3 of 14
Most Recent Claim	Oct 2018 · rainfall accumulation

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 Risk	Low lower than 99.1% of the US · lower than 91% of Iowa
Wildfire Likelihood	Under 0.01% annual chance
Exposure	None beyond ember reach

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 System	WATERLOO WATER WORKS serves 69,504 people · EPA ID IA0790074
Water Source	Groundwater
Last State Inspection	Nov 2023
Lead	2 ppb (2025) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None 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 399 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Waterloo Fiber Fiber	10,000 / 10,000
Metronet Fiber	5,120 / 5,120
Mediacom Xtream Cable · Fiber in parts of the area	1,000 / 50
GigFire Fixed Wireless	150 / 130

May also be available: AT&T, Nextlink, Verizon.

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