Waterloo, IL Homes for Sale under $100,000

Looking for a building site for your new home? This building site consists of 1.377 acres in New Design Plaza, a country subdivision with easy access to State Route and located within minutes of Waterloo. Your plans-your builder. Plans to be approved by seller. Minimum sq. ft. 1400. Association fee is $45.00 a month covering pumping of individual sewer system & maintenance of community mound

Tina LaChance Strano & Associates

Price listed is Starting Bid Only. Bidding starts closing 2/11/2026 @ 6 p.m. This exceptional 4.0± acre tract of prime tillable land is ideally located just off Martini Road, between Millstadt and Waterloo in Monroe County. The property presents picturesque building sites perfect for a dream home or hobby farm. Zoned A-2 for agricultural use, the property falls under Monroe County zoning

Adam Jokisch Adams Auction & Real Estate Services Inc.

Looking for a building site for your new home? This building site consists of 1.377 acres in New Design Plaza, a country subdivision with easy access to State Route 3 and located within minutes of Waterloo. Your plans-your builder. Plans to be approved by seller. Minimum 1400 sq. ft. Association fee is $45.00 a month covering pumping of individual sewer system & maintenance of community mound

Tina LaChance Strano & Associates

Build Your Dream Home in a Peaceful Country Setting!Welcome to 5914 Willow Oak Lane — a beautiful corner lot surrounded by scenic countryside views. This spacious homesite offers the perfect setting for your custom build, with potential for a daylight basement. Enjoy the tranquility of country living while remaining just minutes from town conveniences, shopping, and schools. Don’t miss this

Steven Bennett RE/MAX Signature Properties

Here's your opportunity to make the home of your dreams come true! Offering a 3/4 acre level, buildable lot ready for your new home! Situated in the second phase of Country Club Hills Subdivision with great access to nearby Route 3, shopping, conveniences, schools and employment opportunities. Since it is located at the northern area of Waterloo, it provides an easy commute to St. Louis,

Kim Ruhl RE/MAX Results Realty

Discover the charm of Waterloo’s newest residential development—Legacy Subdivision. Perfectly positioned for those seeking both convenience and tranquility, this thoughtfully planned neighborhood is ideal for your custom-built dream home.Located just minutes from the heart of Waterloo, Legacy Subdivision combines accessibility with peaceful living. Enjoy being only 5 minutes from Waterloo's

Sarah Jenkins Keller Williams Pinnacle

Looking for a building site for your new home? This building site consists of 1.85 acres in New Design Plaza, a country subdivision with easy access to State Route and located within minutes of Waterloo. Your plans-your builder. Plans to be approved by developer/seller. Minimum sq. ft. 1400. Association fee is $45.00 a month covering pumping of individual sewer system & maintenance of community

Rebecca DeMond RE/MAX Preferred

Discover the perfect lot for your dream home in the Legacy neighborhood of Waterloo! Nestled in a new development, this spacious 0.51-acre lot offers an exceptional opportunity to build your ideal single-family home. With a backdrop of mature trees, this property provides both privacy and natural beauty. Located across the street from Mystic Oak Golf Course, you'll enjoy the luxury of being close

Monica Schmidt eXp Realty

Price listed is Starting Bid Only. Bidding starts closing 2/10/2026 @ 6 p.m. This exceptional 20± acre tract of prime tillable and recreational land is ideally located just off Buss Road, in Waterloo, IL! The property consists of two parcels selling as one with a 14.89+/- acre lot of 9± acres tillable ground which falls under the St. Clar zoning jurisdiction, and a second 5.0+/- acre

Adam Jokisch Adams Auction & Real Estate Services Inc.

Price listed is Starting Bid Only. Bidding starts closing 2/11/2026 @ 6 p.m. This exceptional 13.77±; acre tract of prime tillable land is ideally located just off Martini Road, between Millstadt and Waterloo in Monroe County. The property presents picturesque building sites perfect for a dream home or hobby farm. Zoned A-2 for agricultural use, the property falls under Monroe County zoning

Adam Jokisch Adams Auction & Real Estate Services Inc.

Build your dream home on this .79-acre corner lot in the prestigious Remlok luxury community! Bring your own builder and design a custom retreat in a prime location. Enjoy close access to parks, schools, walking/biking trails, golf courses, Rt 3, and downtown Waterloo's charming shops and dining. Don't miss this rare opportunity! *The builder must be approved by the developer.

Rebecca DeMond RE/MAX Preferred

COME BUILD YOUR DREAM HOME IN THIS CHARMING COMMUNITY OF OAK VALLEY ESTATES! This scenic neighborhood offers affordable country living at its best. This .40 acre lot provides ample space for most floorplans. Bring your own plans and your own builder! The property has city water available, a collective sewage system and is electric and propane ready.

Janell Schmittling Homes By Janell