What the public record shows
The Southeast Expressway runs elevated and at grade along Dorchester's east edge, beside Savin Hill and Columbia Road.
Everything below is a recorded finding from Groundtruth's data layers, sampled at 3 points along this corridor on Jul 16, 2026, each with its public source. These numbers move block by block: run your exact address for the full six-pillar report.
Road noise, modeled
48–71 dB
An estimate for spotting problems, not a measurement. Registered at 2 of 3 sampled points. 24-hour average, national noise model (BTS).
Rail noise, modeled
64–88 dB
An estimate for spotting problems, not a measurement. Registered at 3 of 3 sampled points. 24-hour average, national noise model (BTS).
Aviation noise, modeled
~45 dB
An estimate for spotting problems, not a measurement. Registered at 2 of 3 sampled points. 24-hour average, national noise model (BTS).
I 93/US 1/MA 3 (General Casimir Pulaski Skyway), a limited-access highway (4 lanes, posted 55 mph), passes 29 ft to the SE of the sampled point. Highways of this class carry steady traffic day and night.
Source: OpenStreetMap road network (© OpenStreetMap contributors, via Geofabrik) · retrieved Jul 16, 2026
The BTS transportation noise model puts 24-hr average road traffic noise at this location around 71 dB LAeq. Within ~160 ft it reaches 78 dB (75th percentile 77 dB). This is BTS's simplified national model (no terrain or building shielding) — a trend-grade modeled estimate, not a measurement.
Source: BTS National Transportation Noise Map (2022) · retrieved Jul 16, 2026
The BTS transportation noise model puts 24-hr average rail noise at this location around 88 dB LAeq. This is BTS's simplified national model (no terrain or building shielding) — a trend-grade modeled estimate, not a measurement.
Source: BTS National Transportation Noise Map (2022) · retrieved Jul 16, 2026
Red Line - Braintree Branch, a subway line (surface section), passes 6 ft to the NW at the surface.
Source: OpenStreetMap rail network (© OpenStreetMap contributors, via Geofabrik) · retrieved Jul 16, 2026
Erect at 88R Freeport ST Declared valuation $4,040,678. Status: Open. Filed 2025-04-03.
Source: City of Boston — Approved Building Permits (Analyze Boston) · retrieved Jul 16, 2026
Erect at 9 Sydney ST Declared valuation $1,646,180. Status: Closed. Filed 2024-04-17.
Source: City of Boston — Approved Building Permits (Analyze Boston) · retrieved Jul 16, 2026
Large Project that is permitted or under construction — 488 residential units, 421,021 sq ft, $200M estimated cost. On May 12th, 2016, the BPDA Board approved an approximately 388,400 gross square foot mixed-use Dot Block development project, including the construction of approximately 362 residential units, a five (5)-story above-grade parking garage, and approximately 37,000 gross square feet of retail (the "Originally Approved Project"). On January 31st, 2019, Wintergold, LLC, in collaboration with Samuels & Associates, filed a Notice of Project Change with the Boston Planning & Development Agency for the Dot Block project, which, as proposed, is planned to comprise approximately 488 residential units (approximately 7 of which are expected to be artist live/work units, and 66 of which will be affordable housing units with a range of income eligibility) in four new buildings, approximately 23,000 square feet of neighborhood-oriented retail and restaurant space, approximately 1.34 acres of open space, a below-grade parking garage, and related landscape and streetscape improvements (the "Proposed Project"). Last filed 1/31/2019.
Source: Boston Planning (BPDA) — Article 80 Development Projects · retrieved Jul 16, 2026
Large Project that is board-approved — 754 residential units, 816,000 sq ft, $450M estimated cost. Copper Mill Morrissey, LLC and POB CC 75 Morrissey LLC (collectively, the “Proponent”) seek to redevelop 75 Morrissey Boulevard as Phase 1 of the 35-75 Morrissey Boulevard Master PDA. The project proposes redeveloping the approximately 2.24-acre 75 Morrissey site with two residential buildings, a new approximately 23,900 sf community park, and new on- and off-site roadway improvements including new bicycle and pedestrian pathways. Last filed 6/23/2025.
Source: Boston Planning (BPDA) — Article 80 Development Projects · retrieved Jul 16, 2026
The EPA National Walkability Index scores this census block group 11.0 out of 20 — in the "above-average walkable" band nationally. The index combines intersection density, proximity to transit stops, and the mix of jobs, homes, and destinations.
Source: EPA National Walkability Index · retrieved Jul 16, 2026
Within a 5-minute walk: 2 grocery stores, 4 restaurants, 1 bar, 1 pharmacy, 3 parks, 1 school. Within 10 minutes: 4 grocery stores, 9 restaurants, 2 bars, 1 gym, 3 pharmacies, 11 parks, 4 schools.
Source: OpenStreetMap amenities (© OpenStreetMap contributors, via Geofabrik) · retrieved Jul 16, 2026
Savin Hill (1-min walk): Red Line (subway): 230 weekday departures (~12/hour), 5:21 AM–12:58 AM. 3 bus routes stop within the walk radius.
Source: MBTA GTFS static feed (Summer 2026, 2026-07-15T15:16:59+00:00, version D) · retrieved Jul 16, 2026
The EPA National Walkability Index scores this census block group 16.8 out of 20 — in the "most walkable" band nationally. The index combines intersection density, proximity to transit stops, and the mix of jobs, homes, and destinations.
Source: EPA National Walkability Index · retrieved Jul 16, 2026
1 bar/nightlife spot within about 500 ft: blend (454 ft). Expect foot traffic and noise around closing time on weekend nights.
Source: OpenStreetMap amenities (© OpenStreetMap contributors, via Geofabrik) · retrieved Jul 16, 2026
5 noise 311 cases were opened within 500 ft in the last 24 months — ~7.4 per sq mi per month here vs ~2.2 citywide. Most common: "Loud Parties/Music/People".
Source: Boston 311 Service Requests (Analyze Boston) · retrieved Jul 16, 2026
264 parking 311 cases were opened within 500 ft in the last 24 months — ~390 per sq mi per month here vs ~116 citywide. Most common: "Parking Enforcement", "Abandoned Vehicles", "Parking on Front/Back Yards (Illegal Parking)".
Source: Boston 311 Service Requests (Analyze Boston) · retrieved Jul 16, 2026
190 parking 311 cases were opened within 500 ft in the last 24 months — ~281 per sq mi per month here vs ~116 citywide. Most common: "Parking Enforcement", "Abandoned Vehicles".
Source: Boston 311 Service Requests (Analyze Boston) · retrieved Jul 16, 2026
Distance to the source decides most of these numbers. A Groundtruth report runs all sixteen layers against one exact address: noise, hazards, permits, transit, and neighborhood signals, scored and cited. Six scores and the top finding are free.
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