$599,000

beds

baths

3,350

square ft

612 Saint Lawrence Avenue

Janesville, Wisconsin 53545

New / MLS #2013611 / Single Family / Janesville

Listing information updated 12/14/2025 at 9:08pm

Rare Find! Impeccably restored Italianate home in Janesville's Courthouse Hill District. Named for one of the town's early business pioneers, the Lucius N. Williamson House was built in 1877 and is a contributing property on the National Register of Historic Places. Thanks to proud caring owners over the last 148 years, this 3,350 sf ft, 4 bed, 3 bath home has been immaculately maintained and updated. Tall ceilings and windows, decorative moldings, showpiece fireplaces, and original hardwood detail abound. Tastefully remodeled kitchen and bathrooms. Great outdoor living with large 2 tier deck recently upgraded to composite planking. Beautifully landscaped and lovingly tended grounds reminiscent of an English country garden - complete with self-contained recirculating waterfall! Wonderful h

Full Features

Architecture Style:

National Folk/Farm

Exterior Type:

Aluminum/Steel

Basement:

Full,Other foundation

Beds Above Grade:

Main Level Primary Bedroom:

Fireplace:

Yes

Pool:

Age:

148 Years

Parking Spaces:

Garage:

2 car

Square Feet:

3,350

Acreage:

0.23

Internal Features:

Wood or sim. wood floor, Walk-in closet(s), Washer, Dryer, Water softener inc, Jetted bathtub, Cable available, At Least 1 tub, Internet - Cable, Internet- Fiber available

External Features:

Deck, Sprinkler system

Room Information

Living Room:

27x17 - Main Level

Dining Room:

19x12 - Main Level

Kitchen:

17x14 - Main Level

Family Room:

17x17 - Main Level

Primary Bedroom:

19x17 - Upper Level

2nd Bedroom:

14x13 - Upper Level

3rd Bedroom:

12x11 - Upper Level

4th Bedroom:

14x9 - Upper Level

Sun Room:

20x11 - Main Level

Den/Office:

14x14 - Main Level

Foyer:

14x7 - Main Level

Taxes & Assessments

Tax Amount:

$6,173

Tax Year:

2024

Location

Zip Code:

53545

City:

Janesville

County:

Rock

Schools

Elementary School:

Call School District

Middle School:

Call School District

High School:

Craig

Architecture Style:

National Folk/Farm

Exterior Type:

Aluminum/Steel

Basement:

Full,Other foundation

Beds Above Grade:

Main Level Primary Bedroom:

Fireplace:

Yes

Pool:

Age:

148 Years

Parking Spaces:

Garage:

2 car

Square Feet:

3,350

Acreage:

0.23

Internal Features:

Wood or sim. wood floor, Walk-in closet(s), Washer, Dryer, Water softener inc, Jetted bathtub, Cable available, At Least 1 tub, Internet - Cable, Internet- Fiber available

External Features:

Deck, Sprinkler system

Living Room:

27x17 - Main Level

Dining Room:

19x12 - Main Level

Kitchen:

17x14 - Main Level

Family Room:

17x17 - Main Level

Primary Bedroom:

19x17 - Upper Level

2nd Bedroom:

14x13 - Upper Level

3rd Bedroom:

12x11 - Upper Level

4th Bedroom:

14x9 - Upper Level

Sun Room:

20x11 - Main Level

Den/Office:

14x14 - Main Level

Foyer:

14x7 - Main Level

Tax Amount:

$6,173

Tax Year:

2024

Zip Code:

53545

City:

Janesville

County:

Rock

Elementary School:

Call School District

Middle School:

Call School District

High School:

Craig

Listing Agent: Kerri Walker

Listing Office: Century 21 Affiliated

Contact Information - Off: 608-756-4196

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