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Build On Your Lot Guides: Costs, Permits, Timelines & Builders

Guides to building a custom home on your own lot in Northern Virginia and Montgomery County, MD: costs, knockdown-rebuild permits, timelines, contracts and choosing a builder.

What does it cost to build a custom home in Northern Virginia?What it costs to build a custom home in Northern Virginia, from the prices local builders publish: $250 to $800+ per sq ft, plus demolition…Build on your lot in Northern VirginiaHow building on your own lot works in Northern Virginia: the steps, costs, permits and 19 local builders that say they build on lots client…Knockdown rebuild in Northern VirginiaHow to tear down a house and build a new one in Fairfax County, Arlington, Vienna and Alexandria: demolition permits, grading plans, costs …How long does it take to build a custom home?How long it takes to build a custom home: Census data shows 43% of homes built on the owner’s land take 10+ months, plus time for design an…How much does it cost to demolish a house?House demolition costs $6,000-$25,000 for most jobs ($15,800 average). What adds to the price and what Fairfax County requires before a tea…Questions to ask a custom home builder before you signThe questions to ask a custom home builder before you sign, how to check a Virginia contractor license, and how to compare builders fairly.Fixed price vs cost-plusFixed price, cost-plus or guaranteed maximum: how custom home builder contracts work, the trade-offs, and which Northern Virginia builders …Buying a lot or teardown to build onWhat to check before you buy a lot or teardown to build on in Northern Virginia: zoning, grading, utilities, trees, floodplain and who issu…Build on your lot in Montgomery County, MarylandBuilding a custom home on your lot in Bethesda, Potomac or Chevy Chase: Montgomery County demolition rules, builder licensing and 18 builde…Closing on a lot and a construction loanWhat happens at closing when you buy a lot or teardown and take out a construction loan in Northern Virginia or Montgomery County: title se…Fairfax County infill lot grading plansBuilding a new house or knockdown rebuild in Fairfax County? When you need an infill lot grading plan, what goes on it, who draws it, and h…How big a house can you build in Arlington? Lot coverage and footprint rules explainedArlington County limits lot coverage and the main house footprint in R-5 to R-20. The 2026 numbers, worked examples, porch and garage bonus…Trees and a new house in Montgomery CountyBuilding a new house or knockdown rebuild in Bethesda, Potomac or Chevy Chase? How the sediment control permit triggers the Tree Canopy Law…Adding a backyard apartment or in-law suite to a new custom homeCan you build an accessory dwelling unit with your new house in Arlington, Fairfax County or Montgomery County? The 2026 rules for basement…Building an all-electric custom homeMontgomery County requires most new construction to be all-electric from the end of 2026. What that means for heat, hot water, cooking and …Hire an architect first, or a design-build firm? How to choose for a custom homeThe two main ways to design and build a custom home in Northern Virginia and Montgomery County, what each costs you in time, money and cont…What usually goes wrong when you build a custom home, and how to protect yourselfAllowances that are too low, change orders, schedule slips, unpaid subcontractors and site surprises. The common problems on custom home bu…