Photo: IvoShandor · CC BY-SA 3.028 homes sold in Seneca in the last year, at a typical $253K
Almost every sale is a house. Below: what each kind of home sells for, what your budget buys, the best months to buy, how hard you’ll have to bid, and a shortcut to every site where Seneca homes are listed.
Every place Seneca homes are listed, in one stop
We don’t copy listings: the agents’ sites have the photos and the latest price changes. Set what you want once and we open each site already filtered to Seneca.
For sale
Rent
New, land & open houses
Links open the listing sites; TownRatings isn’t paid for them and doesn’t rank one above another. Rentals and government-owned homes come from sources outside the MLS.
Houses are 100% of Seneca’s sales, at a typical $253K
28 homes sold in the year to May 2026.
typical sale · 28 sold in 12 months
- Per square foot
- $136IL $180
- Days to sell
- 79
- Sold over asking
- 46%
- Listings with a price cut
- 32%
About as many homes sell as usual, at 1.7 times the 2016 price
28 sales in the last year, against 30 in 2013 and a low of 23 in 2014. The typical sale went from $152K in 2016 to $253K.
Source: Redfin Data Center, MLS sales. Typical price and $/sq ft are the monthly medians, weighted by sales.
What $250K buys in Seneca
Check a listing against what Seneca homes sold for
Against the town’s median price per square foot over the last 12 months. A rough check: condition, lot and location within town move a price more than this can see.
Bidding wars in Seneca are more common than before the pandemic, but 38% fewer homes come up for sale
We read every month of Seneca’s home sales since 2013 so you don’t have to. Each figure covers 12 months, because a single month in a town is too few sales to mean much. Latest: the year to May 2026, 28 sales.
If you’re buying in Seneca
- Shop in July. It brings about 5 new listings a month, close to the busiest month, with fewer bidding wars (18% over asking).
- You can negotiate. 32% of listings have cut their price, against 25% before the pandemic.
- Bid near asking. Buyers paid 99.6% of the list price on average; 46% paid over.
- You’ll usually have time. Only 39% of homes go under contract within two weeks; the typical one takes 79 days.
Summer brings both the most homes and the most bidding wars
July has the most new listings (about 5 a month), but June is the most competitive: 30% of June sales close over asking. February has the least competition (0%) but only about 1 new listings.
Averages for each calendar month, 2015 on.
Hotter than in 2021, and hotter than Illinois
| Seneca now | 2017–19 | 2021 peak | IL now | |
|---|---|---|---|---|
| Sold over askingShare of sales that closed above the list price | 46% | 7% | 20% | 37% |
| Gone within two weeksShare of homes under contract within 14 days | 39% | 24% | 52% | 46% |
| Listings with a price cutShare of homes for sale that cut their price | 32% | 25% | 44% | 19% |
| Price paid vs. askingAverage sale price ÷ list price | 99.6% | 93.9% | 96% | 99.2% |
| Days to sellMedian days from listing to contract | 79 | 93 | 41 | 49 |
7 homes for sale on a typical day
That’s 2.6 times the 2021 low (3), 38% fewer than in 2017–19 and well under 2013’s 16.
1 in 3 listings has cut its price
32% in the last year, against 25% in 2017–19 and 19% across Illinois. More sellers are pricing high and coming down.
Source: Redfin Data Center, city market tracker, January 2013 to May 2026 (MLS sales, not seasonally adjusted). Ratios are weighted by homes sold; price cuts by homes for sale.
Owning the typical Seneca home costs about $1,656 a month
Price: Seneca’s typical sale, last 12 months. Property tax at Seneca’s 1.6% (median bill ÷ median value, Census ACS); insurance at 0.35% of price a year. Before PMI, HOA dues, upkeep and the tax deduction. Whether Seneca is affordable on local pay is on Cost of living.
Six things worth knowing
New listings in July
The month with the most choice. December has the fewest, about 1.
Best time to buyProperty tax, a year
Of a home’s value: the median bill over the median home value. On a $253K home, about $4,030 a year.
Taxes vs. neighborsSchools
The schools grade for Seneca, from test results, graduation and how much students grow.
Schools in SenecaCheck the flood map
Flood insurance isn’t in a standard policy, and lenders require it in FEMA flood zones. Check the address before you make an offer.
Natural hazardsLook up any property
Assessed value, lot size and every past sale of a home you’re eyeing are public, at the town or county assessor and the registry of deeds.
Marseilles, Streator and Dwight sell for less a square foot; Morris and Coal City for far more
The busier markets within 25 miles of Seneca, by what sold. Prices, taxes and how far a paycheck goes next door are on Cost of living.
| Sold | Typical sale | $/sq ft | Over asking | Days to sell | |
|---|---|---|---|---|---|
| Ottawa | 249 | $212K | $145 | 31% | 55 |
| Morris | 179 | $293K | $177 | 40% | 45 |
| Streator | 170 | $131K | $97 | 24% | 83 |
| Coal City | 70 | $284K | $184 | 46% | 50 |
| Marseilles | 60 | $154K | $113 | 33% | 59 |
| Dwight | 52 | $172K | $117 | 33% | 55 |
| Seneca | 28 | $253K | $136 | 46% | 79 |
Redfin Data Center, June 2025 to May 2026. Towns with fewer than 20 sales are left out, and Redfin doesn’t report every town separately.
Post your home to Seneca, free
Selling it yourself, renting out an apartment or looking for a roommate? Post it to Seneca. People who follow the town see it, and so do people comparing Seneca with their own town. No commission, no listing fee.
Questions about buying a home in Seneca
What do homes sell for in Seneca, IL?
28 homes sold in the year to May 2026 at a typical $253K, $136 a square foot.
Is Seneca a buyer’s or seller’s market?
A seller’s market: 4 homes were for sale in May 2026 and 3 sold, about 1.3 months of supply. Buyers paid 99.6% of asking on average, and 32% of listings cut their price.
When is the best time to buy in Seneca?
July brings the most new listings. The sales history shows which months have fewer bidding wars.
How much are property taxes in Seneca?
About 1.6% of a home’s value a year. On a $253K home that’s near $4,030.
Where can I see homes for sale in Seneca?
Zillow, Redfin, Realtor.com and Homes.com all carry Seneca’s MLS listings; the search links above open each one filtered to Seneca.
Sales, prices, days on market and listings: Redfin Data Center (MLS, monthly, not seasonally adjusted). Property tax rate: Census American Community Survey. Two-bedroom rent: HUD Fair Market Rent. Typical home value: Zillow Home Value Index. Schools grade: TownRatings (how grades work).