Potomac, MD
Home Additions in Potomac, MD
Additions that seamlessly extend your existing home — engineered to last, matched to your existing architecture, project-managed end-to-end.
Home Additions · Potomac
Why Potomac homeowners hire us.
Home additions in Potomac, MD start on the wooded lots along River Road and Falls Road, where a wing has room beside the existing house.
When the parcel is in Montgomery County, call MC 311 (240-777-0311) or visit the Montgomery County Department of Permitting Services (DPS) customer service lobby at 2425 Reedie Drive, 7th Floor, in Wheaton. Office hours are 7:30 a.m.- 4 p.m. Monday-Friday, and no appointment is necessary. A permit is required if you extend the area, height or overall footprint of an existing one- or two-family dwelling or their existing accessory structures. Properties with an individual well and septic system will have additional requirements. Real Elite does not take electrical work. We confirm the steps for this house before work starts.
The price for a Potomac addition on a wooded lot along River Road or Falls Road is a free written estimate after a site walk.
For this area, see Permits in Montgomery County: what to expect.
Typical Investment
Starting at $60,000
Free, written, line-itemed estimate
- Bump-out$60k – $120kSmall footprint expansion (under 200 sq ft)
- Single Room$120k – $250kFull-room addition with finishes
- Second Story$250k – $500k+Full second story or major multi-room addition
Why Potomac homeowners choose Real Elite
- ·Family-run remodeling and exterior contracting.
- ·Discuss the scope of your Potomac home additions project at the estimate.
- ·Serving Potomac and Frederick County, Maryland.
Questions about home additions in Potomac
Who permits a home addition in Potomac?+
When the parcel is in Montgomery County, call MC 311 (240-777-0311) or visit the Montgomery County Department of Permitting Services (DPS) customer service lobby at 2425 Reedie Drive, 7th Floor, in Wheaton. A permit is required if you extend the area, height or overall footprint of an existing one- or two-family dwelling or their existing accessory structures.
Do Potomac covenants replace the county permit?+
The County does not enforce covenants and deed restrictions. You may also need a permit or other permission if you live in a Montgomery County municipality that requires it.
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Reviews
Published reviews.
“Super fast & easy to schedule with. Thank you :)”
Thumbtack customer
January 14, 2026
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