ZIP 02121 covers residential neighborhoods in Dorchester, located within Suffolk County, MA, part of the broader Boston housing market. The typical home value in ZIP 02121 in the Dorchester housing market is $659,643, with a typical rent of $3,223 per month. That puts the local home-value-to-annual-rent ratio at 17.1.
Key stats
- ZIP 02121 is around the 15th percentile of tracked local ZIPs for home value.
- ZIP 02121 is around the 70th percentile of tracked local ZIPs for buyer competition.
- The market-level home-value-to-annual-rent ratio is 17.1.
- Supply increased while buyer competition eased.
- ZIP 02121's typical home value is 19.2% below the Dorchester median of $815,935.
- Typical home value
- $659,643
- Typical rent
- $3,223
- Homes for sale
- 15
- Buyer competition
- 43
Price and rent in ZIP 02121
ZIP 02121 is around the 15th percentile of tracked local ZIPs for home value. ZIP 02121 is around the 46th percentile of tracked local ZIPs for rent.
ZIP 02121 home value & rent trend (past 12 months)
Typical home value fell 0.6% over the last 11 months, from $663,880 to $659,643. It rose in 6 of 10 monthly readings. The largest monthly gain was +0.4% in January 2026.
Typical rent rose 1.9% over the last 11 months, from $3,163 to $3,223. It rose in 6 of 10 monthly readings. The largest monthly gain was +3.0% in December 2025.
How ZIP 02121 compares to Boston
ZIP 02121's typical home value is 19.2% below the Dorchester median of $815,935. ZIP 02121's typical rent is 2.2% below the Dorchester median of $3,297.
Supply, pending activity, and competition
ZIP 02121 is around the 7th percentile of tracked local ZIPs for for-sale inventory. ZIP 02121 is around the 70th percentile of tracked local ZIPs for buyer competition. Supply increased while buyer competition eased. Over the 11 readings on record, inventory moved between 10 and 21 — a 11-point spread across 27 comparable tracked ZIPs. Inventory has moved rising in each of the latest three available monthly readings.
Nearby markets worth comparing
Relevant nearby ZIP pages include 02119, 02130, 02125, 02124.
Continue your market research
- Is the Boston Real Estate Market Cooling or Slowing Down?Read the related local market analysis.
- Is Boston a Buyer's Market?Read the related local market analysis.
- Compare 02108 vs 02121Compare this market with another tracked ZIP or peer group.
- Compare 02109 vs 02121Compare this market with another tracked ZIP or peer group.
- Compare 02110 vs 02121Compare this market with another tracked ZIP or peer group.
- ZIP 02119 housing marketReview a nearby local market with the same core measures.
- ZIP 02130 housing marketReview a nearby local market with the same core measures.
- ZIP 02125 housing marketReview a nearby local market with the same core measures.
- Boston housing market overviewReturn to the broader parent market.
Sources and method
- HomeMarketCap.com data sources: home value, rent, inventory, and market activity datasets
- HomeMarketCap.com methodology: definitions and calculation rules
Figures are updated monthly under our editorial policy. Spotted something wrong? Report a correction.