Photo: formulanone from Huntsville, United States · CC BY-SA 2.0122 homes sold in South River in the last year, at a typical $512K
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 South River homes are listed.
Every place South River 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 South River.
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 94% of South River’s sales, at a typical $503K (year to May 2026)
122 homes sold in the year to September 2026.
typical sale · 103 sold in the year to May 2026
- Per square foot
- $348NJ $331
- Days to sell
- 73
- Sold over asking
- 63%
- Listings with a price cut
- 13%
Multi-family (2–4 units): 7 sold, typical $628K
Too few sales in 12 months for reliable figures.
About as many homes sell as usual, at twice the 2016 price
122 sales in the last year, against 222 in 2021 and a low of 89 in 2012. The typical sale went from $248K in 2016 to $512K.
Source: Redfin Data Center, MLS sales; from June 2026 each month is a 3-month rolling window, its counts divided by 3. Typical price and $/sq ft are the monthly medians, weighted by sales. Redfin stopped publishing towns’ figures by property type after May 2026, so houses and condos are shown for the year to then.
What $500K buys in South River
Check a listing against what South River 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 South River are more common than before the pandemic, but 39% fewer homes come up for sale
We read every month of South River’s home sales since 2012 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 September 2026, 122 sales.
If you’re buying in South River
- Shop in April. It brings about 18 new listings a month, close to the busiest month, with fewer bidding wars (38% over asking).
- Bid near asking. Buyers paid 101.9% of the list price on average; 58% paid over.
- You’ll usually have time. Only 29% of homes go under contract within two weeks; the typical one takes 78 days.
Spring brings the homes; summer brings the bidding wars
May has the most new listings (about 19 a month), but June is the most competitive: 52% of June sales close over asking. March and April offer nearly as much choice with fewer homes bid up (39%). February has the least competition (31%) but only about 11 new listings.
Averages for each calendar month, 2015 on.
Nearly as heated as 2021, and hotter than New Jersey
| South River now | 2017–19 | 2021 peak | NJ now | |
|---|---|---|---|---|
| Sold over askingShare of sales that closed above the list price | 58% | 26% | 59% | 44% |
| Gone within two weeksShare of homes under contract within 14 days | 29% | 13% | 5% | 30% |
| Price paid vs. askingAverage sale price ÷ list price | 101.9% | 97.6% | 102.1% | 100.9% |
| Days to sellMedian days from listing to contract | 78 | 99 | 79 | 46 |
42 homes for sale on a typical day
That’s 1.6 times the 2023 low (27), 39% fewer than in 2017–19 and well under 2015’s 102.
South River ranks 96th of 300 busy New Jersey markets for bidding wars
Share of sales over asking in the last year, among towns with 60 or more sales. South River is in the middle of the pack.
Source: Redfin Data Center, city figures, January 2012 to September 2026 (MLS sales, not seasonally adjusted; from June 2026 each month is a 3-month rolling window, its counts divided by 3). Ratios are weighted by homes sold; price cuts by homes for sale.
Owning the typical South River home costs about $3,501 a month
Price: South River’s typical sale, last 12 months. Property tax at South River’s 2% (median bill ÷ median value, Census ACS); insurance at 0.35% of price a year. Before PMI, HOA dues, upkeep and the tax deduction. Whether South River is affordable on local pay is on Cost of living.
Six things worth knowing
New listings in May
The month with the most choice. December has the fewest, about 9.
Best time to buyProperty tax, a year
Of a home’s value: the median bill over the median home value. On a $512K home, about $9,960 a year.
Taxes vs. neighborsSchools
The schools grade for South River, from test results, graduation and how much students grow.
Schools in South RiverTypical commute
The average one-way trip to work for people who live in South River.
Work & commuteCheck 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.
New Brunswick sells for less a square foot; Madison Park for far more
The busier markets within 25 miles of South River, 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 | |
|---|---|---|---|---|---|
| Edison Township | 670 | $588K | $391 | 50% | 74 |
| Sayreville | 377 | $526K | $356 | 55% | 63 |
| New Brunswick | 191 | $457K | $328 | 44% | 86 |
| South River | 122 | $512K | $342 | 58% | 78 |
| Spotswood | 86 | $492K | $372 | 45% | 68 |
| Milltown | 60 | $566K | $388 | 68% | 66 |
| Madison Park | 22 | $529K | $435 | 69% | 50 |
Redfin Data Center, October 2025 to September 2026. Towns with fewer than 20 sales are left out, and Redfin doesn’t report every town separately.
Post your home to South River, free
Selling it yourself, renting out an apartment or looking for a roommate? Post it to South River. People who follow the town see it, and so do people comparing South River with their own town. No commission, no listing fee.
Questions about buying a home in South River
What do homes sell for in South River, NJ?
122 homes sold in the year to September 2026 at a typical $512K, $342 a square foot.
Is South River a buyer’s or seller’s market?
A balanced market: 50 homes were for sale in September 2026 and 12 sold, about 4.1 months of supply. Buyers paid 101.9% of asking on average.
When is the best time to buy in South River?
May brings the most new listings. The sales history shows which months have fewer bidding wars.
How much are property taxes in South River?
About 2% of a home’s value a year. On a $512K home that’s near $9,960.
Where can I see homes for sale in South River?
Zillow, Redfin, Realtor.com and Homes.com all carry South River’s MLS listings; the search links above open each one filtered to South River.
Sales, prices, days on market and listings: Redfin Data Center (MLS, monthly, not seasonally adjusted; from June 2026 each month is a 3-month rolling window, its counts divided by 3). 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).