Home values, rents and more in ZIP code 02121 (Mattapan, Boston, MA)
September 2026 figures from Zillow and the U.S. Census Bureau · updated 2026-11-07
Open 02121 in ProMap- Under $640k
- $640k–$720k
- $720k–$880k
- $880k–$1.1M
- $1.1M+
- No data
How 02121 compares
The typical home in ZIP code 02121 (Mattapan, Boston, MA) is worth about $621,000, according to the Zillow Home Value Index for September 2026. Home values in 02121 are 14% below the typical value in the Boston metro area ($726,000) and 1.7 times the U.S. typical value ($366,000).
Over the past year, home values in 02121 fell 0.6%, compared with +2.1% in the Boston metro area and +1.2% nationally.
Typical rent is $3,228 a month (Zillow Observed Rent Index), 8% above the Boston metro area ($2,987) and 1.7 times the U.S. ($1,932). Rents rose 1.2% over the past year.
The median household income is $43,136, against $115,863 in the Boston metro area and $80,734 in the U.S. (Census Bureau, American Community Survey 2020–24).
About 29,040 people live in 02121 (American Community Survey 2020–24).
02121 has the 88th-lowest typical home value of the 272 ZIP codes in the Boston metro area and the 236th-highest of 484 in Massachusetts with Zillow figures.
Part of: Boston, MA · Suffolk County, MA · Boston metro area · Massachusetts
More for 02121 in ProMap Plus
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- 5- and 10-year price changes
- Days on market and months of supply
- Price cuts and sale-to-list ratio
- Price-to-income and monthly cost to buy
- Zillow 12-month price forecast
- Crime rates
- School test scores
- Homeowners insurance premiums
- Commute time to downtown
- Flood, wildfire and natural hazard risk
- Property-tax rate
- 2024 presidential vote
- Age, education and household make-up
- Amenities and transit nearby
Nearby ZIP codes
Sources
Home values: Zillow Home Value Index (ZHVI), all homes, middle tier, smoothed and seasonally adjusted, September 2026. Rents: Zillow Observed Rent Index (ZORI), seasonally adjusted. Population: Census population estimates (July 2025) for states, metros and counties; ACS 2020–24 for cities and ZIP codes. Income: U.S. Census Bureau, ACS 2020–24 5-year estimates. Boundaries: U.S. Census Bureau cartographic boundary files. Compiled by Home Economics.
"Typical" is Zillow's middle-tier value (homes between the 35th and 65th percentiles), not a median sale price. Changes are over the 12 months to September 2026.