LaSalle County · Illinois

Homes for sale in Seneca.

There are 82 homes for sale in Seneca right now, with a median list price of $39,900. Every active listing below updates live from the MLS.

homes for sale

$40K

median list price

$181

median price / sq ft

122 days

avg. days on market

How the Seneca market is moving.

Closed MLS sales — last 12 months.

94 homes closed in Seneca over the last 12 months. Updated continuously from the MLS.

Active listings in Seneca.

See all 82 homes →

3 days on dwello

$225,000Active

3 bd · 1 ba · 1,297 sqft

144 W Lincoln Street

Seneca, IL

7 days on dwello

$105,000Active

1 bd · 1 ba

2795 E 28th Lot 1087 Road

Seneca, IL

7 days on dwello

$38,000Active

— bd · — ba

2795 E 28th Lot 546 Road

Seneca, IL

7 days on dwello

$55,000Active

1 bd · 1 ba

2795 E 28th Lot 396 Road

Seneca, IL

7 days on dwello

$41,500Active

1 bd · 1 ba

2795 E 28th Lot 450 Road

Seneca, IL

$49,900Active

2 bd · 1 ba

2795 E 28th Lot 442 Road

Seneca, IL

$22,000Active

— bd · — ba

2795 E 28th Lot 366 Road

Seneca, IL

$42,900Active

2 bd · 1 ba

2795 E 28th Lot 908 Road

Seneca, IL

$69,000Active

1 bd · 1 ba

2795 E 28th Lot 464 Road

Seneca, IL

About the Seneca market.

Seneca is one of the communities dwello Home Group covers across LaSalle County and the broader Chicago and Northwest Indiana market. The listings on this page are pulled live from the MLS and refreshed continuously, so what you see is what's genuinely available right now.

Whether you're buying your first home, moving up, or selling, a local dwello agent can give you a real read on Seneca — pricing, neighborhoods, schools, and how fast homes are actually moving. Reach out any time; there's no pressure and no obligation.

Browse Seneca by property type.

Houses

Single-family homes

Townhomes & Condos

Attached + low-maintenance

Nearby areas.

Ottawa 184 Streator 87 Lasalle 66 Peru 64 Marseilles 63 Sheridan 31 Mendota 27 Earlville 26

Seneca real estate questions.

How many homes are for sale in Seneca, IL?

As of August 2026, there are 82 active listings in Seneca, Illinois, plus 7 more under contract. The listings on this page update straight from the MLS, so they reflect current inventory.

What is the median home price in Seneca?

The median list price of active homes in Seneca is currently $39,900, or roughly $181 per square foot. Prices vary widely by neighborhood, size, and condition — browse the active listings above for live pricing.

Does dwello Home Group serve Seneca?

Yes. dwello Home Group is based in Chicago's south suburbs and Northwest Indiana and works with buyers and sellers across the wider region, including Seneca. Get in touch and we'll connect you with the right agent.

How fast do homes sell in Seneca?

Active listings in Seneca have been on the market an average of 122 days. 34 homes have closed there in the last 90 days. Well-priced homes in good condition tend to move noticeably faster than average.

How do I schedule a showing in Seneca?

Open any listing on this page and use the "Schedule a showing" button, or contact dwello Home Group directly. A local agent will set up the tour and walk you through every step — financing, offers, inspections, and closing.

Thinking about Seneca?

Tour a home, get a straight answer on pricing, or just ask a question. A local dwello agent is ready when you are.

Browse Seneca homes Talk to an agent