Home additions in Bethesda run $180,000 to $450,000 or more in 2026, with architectural matching mattering as much as square footage on a $1.4 million-plus property. Here’s what Bethesda homeowners need to know about real costs, permitting, and contractor selection.
Basement remodels in Arlington run $55,000 to $300,000 or more in 2026, and Arlington County requires up to five separate permits for a typical finish. Here’s what Arlington homeowners need to know about real costs, inspections, and what adds the most value.
Basement remodels in Rockville run $30,000 to $140,000 or more in 2026, and one detail catches homeowners off guard: Rockville runs its own independent permitting office, separate from Montgomery County DPS. Here’s what Rockville homeowners need to know about jurisdiction, real costs, and egress requirements.
Home additions in Potomac run $150,000 to $400,000 or more in 2026, with one step most homeowners overlook: HOA architectural approval in communities like Avenel and River Falls has to happen before the county even sees the plans. Here’s what Potomac homeowners need to know.
Bathroom remodels in Fairfax run $6,000 to $115,000 or more in 2026, and one detail catches most homeowners off guard: the City of Fairfax and Fairfax County run entirely separate permit offices. Here’s what Fairfax homeowners need to know about jurisdiction, real costs, and contractor selection.
Full home remodels in Arlington run $150,000 to $850,000 or more in 2026, with pop-top second-story additions leading demand in Ashton Heights, Bluemont, and Arlington Forest. Here’s what Arlington homeowners need to know about real costs, permitting, and contractor selection.
Local service areas
Browse H&C Construction city hub pages across Montgomery County — local guides with permits, neighborhoods, FAQs, and project photos.
