Chelsea MA
259 active listings out of 10K total properties we track across 8 Chelsea ZIPs — listings, off-market homes, rentals, and full sales/tax history. Refreshed nightly.
Download Chelsea, MA property data
3,242,462 property records for all of Massachusetts — address, beds/baths, sqft, year built, status, list and last-sale price, price and tax history. Parquet or CSV.
Files are published by ZIP, county and state; this city is inside the state file.
Monthly snapshot · 327.1 MB Parquet · CSV (539.1 MB)
Records keep changing after a snapshot is compiled.
Rebuilt every day · same columns, same file layout
While you're here, take in the bigger picture — maps below show Boston metro, not just Chelsea. Same company, same dataset, different resolution.
Inventory breakdown
Distribution of the 259 currently-active listings in Chelsea, MA. Full dataset covers 10K properties — listings, off-market homes, rentals, and full history.
ZIP codes in Chelsea
Drill into any ZIP for hex-level breakdowns.
Nearby cities
Other Massachusetts cities within driving distance.
Get Chelsea, MA data in your app
GET https://api.straply.com/v1/markets/city/chelsea-ma
Authorization: Bearer $STRAPLY_KEY{
"city": "chelsea-ma",
"total_tracked": 10015,
"active": 259,
"median_list": 549450
}Chelsea, MA real estate: market summary
As of November 2026, Straply tracks 10,015 homes in Chelsea, MA, with 259 active for sale at a median list price of $549,450 (~$404/sq ft). Notably, the market is cooling — the median sale price is down 29% year over year.
- Median list price
- $549,450
- Median $/sq ft
- $404
- Active listings
- 259
- Median sale price
- $420,000 (-29% YoY)
- Properties tracked
- 10,015
Frequently asked: Chelsea, MA real estate
What is the median home price in Chelsea?
The median list price in Chelsea, MA is $549,450 (about $404 per square foot), based on 259 active listings tracked by Straply as of November 2026.
What price range are homes in Chelsea?
Active listings in Chelsea, MA concentrate in: 40% $300k–$500k and 20% $500k–$750k.
Are home prices in Chelsea going up or down?
The median sale price is $420,000, down 29% year over year. Straply tracked 123 sales here over the past 12 months.
How many homes are for sale in Chelsea?
Straply is tracking 259 active listings in Chelsea, MA out of 10,015 properties on record as of November 2026.
How old are the homes in Chelsea?
Most homes in Chelsea, MA were built in the 1900s. About 27% were built after 1980, while 64% predate 1940. The newest tracked home dates to 2026.
What types of homes are in Chelsea?
Chelsea, MA is mostly condos (48% of listings). Also common: multi-family homes 29%, single-family homes 12%.
How many bedrooms do homes in Chelsea typically have?
The most common size in Chelsea, MA is 2 bd.
What are the most active ZIP codes in Chelsea?
The ZIP codes with the most active listings in Chelsea, MA are 02150, 02149, 02148.
What areas are near Chelsea?
Nearby markets Straply also tracks include East Boston, Revere, Charlestown, Winthrop.
Data as of November 2026. Source: Straply. For address-level history and programmatic access, use the Straply API.