Sarnia ON
249 active listings out of 1.7K total properties we track across 827 Sarnia ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
While you're here, take in the bigger picture — maps below show ON (statewide), not just Sarnia. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 249 currently-active listings in Sarnia, ON. Full dataset covers 1.7K properties — listings, off-market homes, rentals, and full history.
ZIP codes in Sarnia
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other ON cities within driving distance.
Get Sarnia, ON data in your app
GET https://api.straply.com/v1/markets/city/sarnia-on
Authorization: Bearer $STRAPLY_KEY{
"city": "sarnia-on",
"total_tracked": 1698,
"active": 249,
"median_list": 429900
}Sarnia, ON real estate: market summary
As of April 2026, Straply tracks 1,698 homes in Sarnia, ON, with 249 active for sale at a median list price of CA$429,900 (~CA$431/sq ft). Notably, it has notably historic housing — 23% of homes predate 1940.
- Median list price
- CA$429,900
- Median $/sq ft
- CA$431
- Active listings
- 249
- Properties tracked
- 1,698
Frequently asked: Sarnia, ON real estate
What is the median home price in Sarnia?
The median list price in Sarnia, ON is CA$429,900 (about CA$431 per square foot), based on 249 active listings tracked by Straply as of April 2026.
What price range are homes in Sarnia?
Active listings in Sarnia, ON concentrate in: 51% $300k–$500k and 23% $500k–$750k.
How many homes are for sale in Sarnia?
Straply is tracking 249 active listings in Sarnia, ON out of 1,698 properties on record as of April 2026.
How old are the homes in Sarnia?
Most homes in Sarnia, ON were built in the 1970s. About 24% were built after 1980, while 23% predate 1940. The newest tracked home dates to 2025.
What types of homes are in Sarnia?
Sarnia, ON is mostly single-family homes (83% of listings). Also common: multi-family homes 7%, townhouses 6%.
How many bedrooms do homes in Sarnia typically have?
The most common size in Sarnia, ON is 3 bd.
What are the most active ZIP codes in Sarnia?
The ZIP codes with the most active listings in Sarnia, ON are N0N1C0, N7W1B7, N7T7V5, N7T5N6, N7T7H4.
What areas are near Sarnia?
Nearby markets Straply also tracks include Lambton Shores, Strathroy Caradoc, Chatham Kent, South Huron.
Data as of April 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.