Guides
Remodeling & ADU Guides for the DC Metro
Cost guides, planning tips, and local rules for kitchen remodels, home additions, and ADUs across Washington DC, Maryland, and Northern Virginia.
How Much Does an ADU Cost in Northern Virginia? A Realistic 2026 Breakdown
Detached, attached, garage, and basement ADUs in Northern Virginia typically run $60K to $250K. A real 2026 cost breakdown, the hidden costs most quotes miss, and the rental ROI.
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Fairfax County ADU Permit Process: A Step-by-Step Guide for Homeowners (2026)
Zoning, the PLUS portal, plan review, environmental and health checks, inspections, and the certificate of occupancy. Every step of the Fairfax County ADU permit process, plus a realistic timeline.
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Can You Build an ADU in Fairfax County? The 2026 Zoning Rules Explained
Size limits, setbacks, lot coverage, parking, owner-occupancy, and the full permit process for an ADU in Fairfax County in 2026, plus how Arlington and Alexandria differ.
Read the guide →ADU Rental Income in Northern Virginia: What Homeowners Are Actually Earning in 2026
Real 2026 rental rates across NoVA, which ADU types earn the most, a realistic net-income framework, the instant equity bump, and a break-even timeline for an ADU investment.
Read the guide →Detached vs Attached ADU: Which Is Right for Your Northern Virginia Property?
Cost, privacy and rent premium, construction complexity, and resale value compared, plus a clear framework for choosing a detached or attached ADU on your Northern Virginia lot.
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How Much Does a Kitchen Remodel Cost in the DC Metro? (Washington DC, Maryland & Northern Virginia) 2026 Guide
What a kitchen remodel really costs across Washington DC, Maryland, and Northern Virginia in 2026: scope-by-scope ranges, why the DC metro runs above average, and a DC vs Maryland vs Northern Virginia breakdown.
Read the guide →Can You Build an ADU in DC, Maryland, or Virginia? 2026 Rules by Jurisdiction
Can you build an ADU in DC, Montgomery County, or Fairfax County in 2026? A jurisdiction-by-jurisdiction comparison of size limits, owner-occupancy, and permits, plus Maryland's new statewide ADU law.
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How Much Does a Home Addition Cost in the DC Metro? (Washington DC, Maryland & Northern Virginia) 2026
What a home addition really costs across Washington DC, Maryland, and Northern Virginia in 2026: per-square-foot ranges by type, building out vs building up, what drives the number, and permits.
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What Determines the Cost of a Bathroom Remodel in Montgomery County, Maryland?
Typical DMV bathroom remodel ranges by bathroom type, reviewed by Excell, and the four things that actually drive your number: which bathroom, whether the plumbing moves, refresh vs gut, and finish level.
Read the guide →ADU Builder in Washington, DC: Rules, Costs & Process (2026)
Can you build an ADU in Washington, DC? What the 2016 zoning allows, how DOB permitting and historic review work, the real cost drivers, and the full process, from a builder working across the DC metro.
Read the guide →Montgomery County ADU Rules & Costs (2026 Update): Bethesda, Rockville & Gaithersburg
Can you build an ADU in Montgomery County? The rules after the October 2026 zoning update: the new size cap, the Class 3 DHCA license and DPS permits, owner-occupancy and parking, how Rockville and Gaithersburg differ, and cost drivers, from a Gaithersburg-based builder.
Read the guide →Turnkey ADU: What's Included, and What Isn't (2026)
“Turnkey” gets used loosely. Here's exactly what a turnkey ADU includes, from design and permits to utilities and finishes, and the handful of costs that typically fall outside the contract.
Read the guide →How to Compare ADU Builder Bids in Fairfax County (2026)
A low ADU bid is usually an incomplete one. How to compare Fairfax County ADU proposals apples-to-apples, the red flags that signal change orders later, and the local questions to ask first.
Read the guide →Kitchen Remodeling in Montgomery County, MD: A Local Guide (2026)
What's different about remodeling a kitchen in Montgomery County: county vs city permitting, the MHIC license rule, WSSC plumbing, older housing-stock surprises, and realistic timelines.
Read the guide →ADU Construction in Lorton, Springfield & South Fairfax County (2026)
Lorton, Springfield, and South Fairfax have larger lots and more septic than inner NoVA, which changes what's possible for an ADU. How Fairfax's ALU rules play out in this submarket.
Read the guide →Garage & Basement ADU Conversion Cost in Northern Virginia (2026)
Converting a garage or basement is the lowest-cost way into an ADU in Northern Virginia, typically $60,000 to $150,000. Costs by conversion type, the Fairfax interior ALU rule that makes it the straightforward path, and the four things that break a conversion budget.
Read the guide →How to Finance an ADU: HELOC, Refinance & Construction Loans
Most ADUs are financed against the equity you already have, or against what the property will be worth once the unit is built. How HELOCs, home equity loans, cash-out refinances, construction loans, and renovation loans actually differ, and what each one is good at.
Read the guide →How Long Does It Take to Build an ADU in Northern Virginia?
A Northern Virginia ADU realistically takes 5–8 months from design start to move-in. The timeline phase by phase, how long Fairfax's ALU review actually takes, and why permit corrections are the single biggest source of delay.
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Do You Need a Permit to Remodel a Kitchen or Bathroom? (DC, MD & VA, 2026)
Usually not, unless you move plumbing or electrical — but the exceptions are the whole story. What each jurisdiction exempts, what triggers a permit, and who is allowed to pull it.
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