Basic
$3,835 – $10,226 each
Cast-iron oil hot-water boiler around 86% AFUE, flue reconnected to the existing chimney, piping reconnected, burner started and tested
Replace an existing oil-fired hot-water boiler with a new standard-to-high-efficiency oil boiler, including removal, piping/venting reconnection and startup.
Install Oil Boiler in Baltimore, Maryland typically costs $4,511 to $12,030 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Baltimore are in line with the national average for install oil boiler.
National average: $4,500 – $12,000 each
$3,835 – $10,226 each
Cast-iron oil hot-water boiler around 86% AFUE, flue reconnected to the existing chimney, piping reconnected, burner started and tested
$4,511 – $12,030 each
Three-pass cast-iron oil boiler around 87% AFUE with efficient circulator, flue and piping reconnected, combustion tested
$5,639 – $15,038 each
High-efficiency three-pass oil boiler around 88-90% AFUE with outdoor reset control and ECM circulator, combustion tuned
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $2,066 – $5,508 | each |
| Labor | labor | $1,528 – $4,074 | each |
| Supplies & Other | supplies | $551 – $1,469 | each |
| Equipment & Disposal | equipment | $367 – $979 | each |
Material costs in Baltimore run proportionally higher than labor, which may favor labor-intensive approaches.
Connect with local install oil boiler contractors in Baltimore for personalized quotes based on your specific project.