Great Falls, VA
Home Additions in Great Falls, VA
Additions that seamlessly extend your existing home — engineered to last, matched to your existing architecture, project-managed end-to-end.
Home Additions · Great Falls
Why Great Falls homeowners hire us.
Home additions in Great Falls, VA start on the large lots along Georgetown Pike, Riverbend Road, and Seneca Road.
When the parcel is in Fairfax County, questions go to Land Development Services, 12055 Government Center Pkwy, Suite 324, Fairfax, VA 22035, phone 703-222-0801. Monday through Thursday from 8 a.m. to 4 p.m. and Friday from 9:15 a.m. to 4 p.m. Staff from the Permit Application Center, Health Department (if on well or septic), Building Plan Review, Site Technician Review team, Fire Marshal’s Office, Wastewater and Zoning may review your package for completeness and compliance with the building code and county ordinances. If your project includes electrical, plumbing or mechanical (often referred to as "trades") work, separate trades permits may be required. Real Elite does not take electrical work. We confirm the steps for this house before work starts.
The price for a Great Falls addition on a large lot along Georgetown Pike, Riverbend Road, or Seneca Road is a free written estimate after a site walk.
For this area, see Permits in Fairfax 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 Great Falls homeowners choose Real Elite
- ·Family-run remodeling and exterior contracting.
- ·Discuss the scope of your Great Falls home additions project at the estimate.
- ·Virginia Class A Contractor 2705198604 (HIC) — residential home improvement.
Questions about home additions in Great Falls
Who permits a home addition in Great Falls?+
When the parcel is in Fairfax County, questions go to Land Development Services, 12055 Government Center Pkwy, Suite 324, Fairfax, VA 22035, phone 703-222-0801. Staff from the Permit Application Center, Health Department (if on well or septic), Building Plan Review, Site Technician Review team, Fire Marshal’s Office, Wastewater and Zoning may review your package for completeness and compliance with the building code and county ordinances.
Does a Great Falls second story need a permit?+
Includes decks, sunrooms, screen porches, front porch/stoops, bump outs, second story additions, dormers, garages, carports, etc. Apply for your residential addition/alteration building record online in PLUS under the Building tab.
When can a Great Falls addition be occupied?+
When occupancy approval applies to a Great Falls addition, Fairfax County calls that document a Residential Use Permit. It is issued for a residential unit after all permits have final inspections and the conditions are met. Fairfax County does not say every addition receives one. That step is scheduled with the inspector by email to LDSBuildingInspections@fairfaxcounty.gov (counter number ends in 0801).
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Reviews
Published reviews.
“Super fast & easy to schedule with. Thank you :)”
Thumbtack customer
January 14, 2026
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