Service areaDorchester, Boston, MA 02124
Auto repair for Dorchester, Boston
Petty Auto Repair is in Dorchester, Boston, MA 02124 (the post office also calls it Dorchester Center). We work on cars for the people who live and drive here. Diagnostics, engine repair, brakes and batteries, in English and Spanish.
Hours Mon–Fri 8:30 AM–6:30 PMSat 8:30 AM–5:10 PMSun closed

Where we are
646-648 Washington St, Dorchester.
Dorchester, MA 02124 Dorchester Center · Boston
On Washington Street in Dorchester, 02124. Tap Directions for the route from wherever you are.
| Monday to Friday | 8:30 AM – 6:30 PM |
|---|---|
| Saturday | 8:30 AM – 5:10 PM |
| Sunday | Closed |
The neighborhood
If you are anywhere in Dorchester, you are close.
Dorchester is Boston's biggest neighborhood, and 02124 runs through Codman Square, Ashmont, Four Corners, Lower Mills and the streets around them. Fields Corner, Savin Hill and Uphams Corner are minutes away.
This is where the shop is, not a list of places we claim to serve. If you can get the car here, we can look at it.
- 01Codman Square
- 02Ashmont
- 03Four Corners
- 04Lower Mills
- 05Fields Corner
- 06Savin Hill
- 07Uphams Corner
What we do here
Four services, one shop.
- 01Full vehicle diagnosticsEngine codes to electrical faults, so you know exactly what your car needs.
- 02Engine repair and overhaulLeaks, misfires and power loss, from a minor repair to a full rebuild.
- 03Brake servicesPad replacement, rotor resurfacing and full inspections.
- 04Battery servicesBattery checks and replacements, so the car powers on every time.
In the neighborhood?
Call (857) 756-0675 or request a quote. We answer in English or Spanish.