Live in Mattapan
Seven in ten of the houses and condominiums here are lived in by their owners, which makes Boston's flat residential exemption worth more against a Mattapan bill than against almost any other in the city.
Mattapan is 1,352 acres and 23,834 people at the 2020 census, the center of Boston's Haitian and Caribbean population, and the only neighborhood in the city whose rapid transit is a streetcar. The Mattapan High Speed Line opened in 1929 along an old railroad grade to the Neponset, and the PCC cars running it were built in 1945 and 1946; the MBTA has proposed replacing them, or the line, repeatedly since 1981 and has not yet done it. What decides the money here is neither the trolley nor the price. It is that 2,659 of the 3,801 one to three-family and condominium parcels on the fiscal 2026 assessment roll carry the owner-occupied flag, and the residential exemption takes a flat $351,108 off every one of them.
A neighborhood of owners, on a streetcar line from 1929
The southern end of the city between Dorchester and Hyde Park: Morton Street and Franklin Field to the north, the Dorchester line east of Blue Hill Avenue, the Neponset River and the Milton line to the south, and the American Legion Highway and the Boston Nature Center to the west. The BPDA publishes the polygon this guide measures from and says plainly that its neighborhood boundaries are approximations rather than the City's official lines. Postal Mattapan, which the assessment medians are drawn by, is a different shape again.
Mattapan is where Boston's residential exemption does the most work. The City publishes one residential rate, $12.40 per $1,000 for fiscal 2026, then takes $351,108 of assessed value off any parcel the owner lives in, worth $4,353.74 a year. It is a flat slab rather than a percentage, so it is worth the same against a $522,450 house here as against a $3 million one in Back Bay, and covers far more of the bill. On the fiscal 2026 roll, 2,659 of the 3,801 one to three-family and condominium parcels in postal Mattapan carry the owner-occupied flag, which is 70%. The catch is the calendar: you must have owned and occupied on 1 January and filed by 1 April, so a spring buyer pays a full year at the landlord's number. The arithmetic is on the Boston hub.
The transit here is unlike anywhere else in the city, and that is not entirely a compliment. The Mattapan High Speed Line opened in 1929 on an old railroad grade, and it is still worked by PCC streetcars built in 1945 and 1946. It is 2.6 miles long and carries over 5,000 riders a day. The MBTA proposed closing it in January 1981, has proposed replacing the cars with buses and with newer trolleys since, and has now committed $127 million to a program that would rebuild the stations and hand the line Type 9 vehicles from the Green Line. Design was targeted at 15 to 30 percent completion during 2026. The trolley is a charming machine and a fragile one, and it does not run in heavy snow.
The commuter rail is the part most people underrate. Two Fairmount Line platforms sit inside Mattapan, Morton Street and Blue Hill Avenue, the latter opened on 25 February 2019 a quarter of a mile from Mattapan Square. Both are fare Zone 1A, so South Station costs the same $2.40 as the subway and takes about twenty minutes, which beats the trolley and the Red Line together. Blue Hill Avenue itself carries the highest bus ridership in the MBTA system, nearly 37,000 boardings and alightings each weekday, which is why the City has spent years designing center-running bus lanes for the three miles from Mattapan Square to Grove Hall. That project has no completion year.
Two things here are not settled. The BPDA publishes the 1,352-acre polygon this guide measures from and states in the dataset that its neighborhood lines are approximations rather than official City boundaries, while the medians above are drawn by postal Mattapan, a different shape again. And Mattapan is the center of Boston's Haitian and Caribbean communities, which the City says on its own neighborhood page, but no ancestry count is published at neighborhood level, so this guide gives you the claim and its source rather than a percentage it cannot stand behind.
What that history cost is documented, and it belongs in a buyer's guide. In 1968 the Boston Banks Urban Renewal Group drew a lending line around Roxbury, north Dorchester and Mattapan and, until 1972, confined Black buyers with federally insured mortgages inside it. Blockbusting followed and the neighborhood turned over almost completely in a few years. The stock is still standing: 1925 at the median, wood frame, small lots, 2,303 houses on hot water or steam and 3,008 with no cooling recorded at all. Carney Hospital closed on 31 August 2024, so the nearest emergency department is Boston Medical Center in the South End.
- Ask whether the seller took the exemption: their tax figure is not the one you pay until you file
- Set the closing against the 1 January ownership test and the 1 April filing deadline
- On a two or three-family you occupy, the exemption comes off the whole parcel including the rented units
- Measure the walk to Blue Hill Avenue or Morton Street rather than to the trolley: those platforms are Zone 1A
- In a 1925 wood frame, price the heating and the insulation separately
- There is no emergency department in Mattapan or Dorchester since Carney closed in August 2024
How Mattapan got here
- 1870Mattapan comes into Boston as part of Dorchester when the annexation takes effect on 3 January. It has never been annexed in its own right, and the City did not begin publishing it as a separate neighborhood until long afterward.
- 1925The streetcar suburb fills in with one, two and three-family houses on small lots. 1925 is still the median year built of the 3,414 one to three-family houses on the fiscal 2026 assessment roll.
- 1929The Mattapan High Speed Line opens on the old railroad grade, Ashmont to Milton on 26 August and Milton to Mattapan on 21 December. It is 2.6 miles long and it is still worked by streetcars.
- 1968The Boston Banks Urban Renewal Group draws a lending line around Roxbury, north Dorchester and Mattapan. Between 1968 and 1972 it confined Black buyers with federally insured mortgages to that line, blockbusting followed, and the neighborhood turned over almost completely within a few years.
- 1981In January the MBTA proposes closing the Mattapan Line outright. The proposal is withdrawn, and it is the first of a long series: replacing the PCC cars with buses, with newer trolleys, and most recently with Green Line vehicles.
- 2002Mass Audubon opens the Boston Nature Center on 67 acres of the former Boston State Hospital grounds, with the George Robert White Environmental Conservation Center on it.
- 2019Blue Hill Avenue station opens on the Fairmount Line on 25 February, an infill station about a quarter of a mile from Mattapan Square, in fare Zone 1A. It cost $16.9 million and took two years to build.
- 2026The Blue Hill Avenue redesign, with center-running bus lanes from Mattapan Square to Grove Hall, is still in design. The City brought a revised plan back to the neighborhood in September, and no completion year has been set.
The Neponset, the Boston Nature Center and the Blue Hills
The Neponset River Reservation runs along the Milton line, and the Neponset Greenway reached Mattapan Square in 2017, connecting the square to Dorchester Bay. Mass Audubon's Boston Nature Center holds 67 acres of meadow and wetland on the former Boston State Hospital grounds, free to walk. Franklin Park, the City's largest at 527 acres, is up Blue Hill Avenue, and the Blue Hills Reservation starts over the Milton line.
What the map does not show: the open space here is real and all of it is at the edges. The river is at the bottom, the sanctuary on the western side and Franklin Park at the top, so which one is yours is decided by the street you buy on.
Elsewhere in Boston, not Mattapan
21 places, with real drive times
Road-adjusted distance and drive time from the centre of the community to each destination, nearest first. Filter by category.
Showing 1–12 of 21 places, nearest first.
Method: distances and drive times are computed from one representative point between Mattapan Square and Morton Street, using straight-line distance multiplied by a road factor and a tiered speed model: honest ranges, not routed times. The drive column badly understates the Fairmount Line, which reaches South Station in about twenty minutes for a subway fare.
Every gym within reach
Provision here is municipal, and unusually good for it. The City runs three community centers inside Mattapan: Mildred Avenue, which has a pool and shares its building with the K-8 school, Gallivan off Cummins Highway, and Mattahunt. Beyond those, the nearest full membership facility is the Dorchester YMCA.
- Mildred Avenue has the pool, and it is the cheapest lane swim within a walk of most of Mattapan
- Gallivan carries the teen programming, which matters more than the equipment
- In a two or three-family there is no building gym and no association funding one
| Facility | What it is | Drive |
|---|---|---|
| BCYF Mildred Avenue Community Center open | The City's center on Mildred Avenue, shared with the K-8 school, with a gymnasium and a pool at municipal prices. | 3–5 min |
| BCYF Gallivan Community Center open | The City's center on Woodruff Way off Cummins Highway, with a gymnasium and the neighborhood's teen programming. | 3–6 min |
| BCYF Mattahunt Community Center open | The third City center here, in the Mattahunt school building on Alabama Street. | 4–7 min |
| Dorchester YMCA open | The nearest full membership facility with a pool, on Washington Street in Codman Square. | 5–8 min |
The free option is the Neponset Greenway and the trails at the Boston Nature Center, both flat and both free.
No assigned school, a list, a lottery, and no high school here
Mattapan addresses fall under Boston Public Schools, which for kindergarten through grade eight assigns no neighborhood school. It builds a list from your address, starting with every school within a mile and adding option and citywide schools until it holds roughly 10 to 14, then runs an algorithm close to a lottery over the choices you rank. Most Mattapan lists start with the Mattahunt and the Chittick, with Young Achievers and Mildred Avenue as K-8 options.
| School | Board | Note |
|---|---|---|
| Mattahunt Elementary School | Boston Public Schools | A prekindergarten to grade six elementary on Alabama Street. Boston assigns no neighborhood school for these grades: it builds a list from your address, starting with the schools within a mile, and an algorithm close to a lottery makes the assignment from the choices you rank. |
| Chittick Elementary School | Boston Public Schools | A prekindergarten to grade six elementary on Ruskindale Road. It will appear on the home-based list for most Mattapan addresses, which is not the same thing as a place being held for you. |
| Young Achievers Science and Mathematics Pilot K-8 School | Boston Public Schools | A kindergarten to grade eight pilot school on Outlook Road. Pilot schools set their own curriculum and calendar inside the district, and this one is reached through the same home-based process. |
| Mildred Avenue K-8 School | Boston Public Schools | A kindergarten to grade eight sharing its building with the community center, which is why the pool and the gymnasium are open to the neighborhood outside school hours. |
| High school, from a Mattapan address | Boston Public Schools | No district high school sits inside Mattapan. Every Boston high school is a citywide option rather than an address assignment, so no Mattapan address entitles a family to a place at one, and for the three exam schools it is your census tract rather than your neighborhood that the admissions tiers read. |
No district high school sits inside Mattapan, and it would not change the arithmetic if one did: every Boston high school is a citywide option rather than an address assignment, and for the three exam schools it is your census tract that the admissions tiers read. Run your exact address through the district's own tool rather than trusting a catchment map, and check that any school named on a listing is still open, because the district has been consolidating since 2025.
Month by month, what living here looks like
Not a highlights reel: the actual annual rhythm, including the dates residents have to remember.
- Highs near 3 °C and lows around -5 °C at Logan, with 36 cm of snow in an average January
- The PCC cars do not run in heavy snow and the MBTA substitutes buses, which is the practical difference between this line and the Red Line
- A declared snow emergency clears one side of most streets, and a resident permit does not exempt you
- Marginally the snowiest month, at 37 cm on the 1991 to 2020 normal
- Restoring the trolley's ability to run through a storm is written into the MBTA's own program for the line
- The quietest month for viewings, and the easiest time to see a house without competition
- Highs near 8 °C, with 23 cm of snow still normal for the month
- The spring market starts listing, and a closing after 1 January means the residential exemption waits a full year
- Freeze and thaw is hard on wooden porches, and a 1925 three-decker has three of them stacked up
- Highs near 14 °C and only trace snow
- 1 April is the filing deadline for the residential exemption, and missing it costs the whole year
- On a two or three-family you occupy, the exemption comes off the whole parcel, including the units you rent out
- Highs near 19 °C, and the Neponset Greenway and the Nature Center come back into use
- The busiest listing month, and the month with the most competition on an offer
- Haitian Flag Day on 18 May is the largest street event in the neighborhood's calendar
- Highs near 25 °C, and the meadows at the Nature Center are at their best
- Longer evenings make the walk from Mattapan Square worth retesting, because it is a different walk in December
- Ride the trolley end to end once before you buy. It takes about eight minutes and it explains the neighborhood
- Highs near 28 °C and lows near 19 °C, the warmest normals of the year
- The fiscal year turns on 1 July, and the first bill of the new assessment cycle follows
- Only 376 of the 3,414 one to three-family houses here record central air, so most of this stock cools with windows
- Leases turn over on 1 September, and the last week of August is the worst traffic of the year
- Tropical systems reach New England in August and September, usually as heavy rain rather than wind
- The best month to test a house for heat, since 3,008 of these houses record no cooling at all
- Highs near 23 °C, low humidity, and the clearest stretch of the year
- Peak of the Atlantic hurricane season, which here means the Neponset rather than the coast
- Schools restart, and the buses on Blue Hill Avenue go back to carrying the highest ridership in the MBTA system
- Highs near 17 °C, and the wettest month on the normals at 102 mm
- Heating gets its first real test, and 2,303 of the houses here run on hot water or steam
- In a three-family, ask whether the heat is one system or three, because it changes the bills entirely
- Highs near 11 °C, with the first snow normal of the season at under 2 cm
- Coastal storms push the Neponset up rather than flooding the streets on the higher ground
- The market goes quiet, which is the argument for buying now rather than in May
- Highs near 6 °C and 23 cm of snow on the normal
- You must own and occupy on 1 January to qualify for the next year's residential exemption, so a December closing beats a February one by a full year
- Short days, and the walk from the trolley or the Fairmount platform matters more than it did in June
18 more photographs of Boston and the region
Drawn from the site's shared, freely licensed Boston photo library, not photographs of Mattapan itself. Filter by category.
Showing 1–12 of 18 photographs.
About these photographs. Openly licensed images from the site's shared Boston library, found on Wikimedia Commons and served from there with full attribution. None of them is presented as a photograph of Mattapan.