Whole-home remodeling in Northern Virginia
Cost vs. Value doesn't price a whole house, but its 2025 Washington, DC market figures for the rooms add up quickly: $79,9881 for a major midrange kitchen, $25,9361 for a midrange bath and $52,7571 for a finished basement. In Fairfax County the bigger swing comes from the house itself, since 80%2 of homes were built before 2000 and opening several rooms at once tends to pull in rewiring, ductwork or a new heating system, each with its own county permit.
Calls are recorded. One independent company that handles whole-home remodels in the Northern Virginia area answers.
Updated October 11, 2026
Pricing the rooms in the Washington market
Cost vs. Value has no whole-house project, so this table stacks three of its room jobs from the Washington, DC market, which covers Northern Virginia, against the 2025 national averages.
| Measure | Washington, DC market | U.S. average |
|---|---|---|
| Major kitchen remodel, midrange, job cost | $79,9881 | $82,7933 |
| Midrange bathroom remodel, job cost | $25,9361 | $26,1383 |
| Basement remodel, job cost | $52,7571 | $52,0123 |
Kitchen and bath run a little under the national averages here and the basement a little over. Add the rooms you plan to touch, then ask for the shared systems on their own lines of the estimate: a panel upgrade, new duct runs or a relocated water heater rarely show up in any single-room price.
Which decade your systems come from
Census year-built counts for Fairfax County are used here for all of Northern Virginia. Most houses in the county predate 2000, and the largest group went up between 1960 and 1989, when today's wiring and duct layouts were first put in.
| Measure | Fairfax County | Washington metro |
|---|---|---|
| Homes built before 2000 | 80%2 | – |
| Homes built 1960–1989 | 55%2 | 39%2 |
| Homes built before 1980 | 44%2 | 45%2 |
A boom-era Fairfax house may still have its first duct layout and a panel sized for a smaller kitchen and fewer appliances. When walls are open in three or four rooms at once, that is the time to price a service upgrade and a duct redesign, not after the drywall is back.
Pay for the trades that tie the rooms together
BLS publishes one wage series for the whole Washington metro, Northern Virginia included. These are the medians for the trades that carry wiring, pipe and air through a whole house, next to the national medians.
| Measure | Washington metro | United States |
|---|---|---|
| Heating, air conditioning and refrigeration mechanics, median hourly wage | $34.58/hr4 | $29.33/hr4 |
| Electricians, median hourly wage | $36.50/hr4 | $30.38/hr4 |
| Plumbers, median hourly wage | $34.55/hr4 | $30.67/hr4 |
| Carpenters, median hourly wage | $29.23/hr4 | $29.12/hr4 |
Heating and cooling mechanics, electricians and plumbers all earn well above the national median in this metro, while carpenters sit close to it. On a multi-room job those systems trades make up more of the labor bill than they would in one kitchen, so their hours deserve a close look in each bid.
Gas or electric heat, house by house
Census heating-fuel counts show how Fairfax County homes are heated, set against the Washington metro. A whole-house renovation is a natural point to change systems, so the starting fuel matters.
| Measure | Fairfax County | Washington metro |
|---|---|---|
| Homes heated with utility gas | 54%5 | 48%5 |
| Homes heated with electricity | 42%5 | 45%5 |
Fairfax County's permit guide lists the direct replacement of household appliances, including water heaters and HVAC equipment, among residential work that needs a permit.6 Trading a gas furnace for a heat pump, or adding a zone for a newly finished lower level, brings a mechanical permit too, so settle the heating plan before the room layouts are final.
The house the budget sits in
A multi-room renovation in Fairfax County is spread across a house that, at the Census median, is worth far more than the typical home in the wider Washington metro.
| Measure | Fairfax County | Washington metro |
|---|---|---|
| Median home value (owner-occupied) | $732,8007 | $579,9007 |
Even all three rooms from the cost table together stay well below the county median. The more useful question for a Fairfax whole-house job is how long you plan to stay, since systems work pays you back in daily use more than at sale.
Permits
Fairfax County's Land Development Services issues permits for most of Northern Virginia's suburbs, while Arlington, Loudoun, Prince William, Alexandria and Falls Church run their own offices. A whole-house job in Fairfax usually stacks permits: one building permit for the interior alterations, electrical, plumbing and mechanical permits linked to it, and a separate building permit for any addition or dormer. Plans can lean on the county's typical details where they fit, and an owner who applies without a contractor files an affidavit.
- Fairfax County requires a permit for interior alterations and renovations, including bathroom remodels, kitchen renovations, and removing or building walls.6
- Fairfax County requires a permit for an addition to an existing home, including decks, sunrooms, screen porches, front porches and stoops, bump-outs, second-story additions, dormers and garages.6
- Fairfax County's permit guide lists the direct replacement of household appliances, including water heaters and HVAC equipment, among residential work that needs a permit.6
- In Fairfax County, electrical and plumbing permits for a residential alteration need no plans, while a mechanical permit is issued only after a Residential HVAC Certification is uploaded.8
- For a residential addition or alteration permit, Fairfax County asks for architectural or structural drawings that meet its minimum plan submission requirements, or the use of one of the county's typical details.8
- Residential alteration permits are applied for online in the county's PLUS system, and electrical and plumbing permits for the same project are issued after the building permit and linked to it.9
- If no licensed contractor is listed on a Fairfax County residential permit application, a License Exemption Affidavit is required.8
Checked October 11, 2026
Talk to a pro who handles whole-home remodels in Northern Virginia
Calls are recorded. You'll be connected to one independent company that handles whole-home remodels in your area. We never call or text you. Privacy Policy ·Do Not Sell or Share My Personal Information
Opening up a boom-era Fairfax house
A lot of whole-house projects in Fairfax County begin with one wall: the one between a closed kitchen and the family room in a colonial or split-level from the 1970s or 1980s. Whether that wall carries the floor above decides whether the job needs a beam and posts on the drawings, so ask before anyone designs around an open plan.
Unless a lead-based paint inspection shows otherwise, the EPA says to treat paint in homes built before 1978 as if it contains lead.10 With 44%2 of the county's homes built before 1980, plan on lead-safe practices in a large share of houses here, and ask how the crew will contain dust as it moves from room to room.
Fairfax County's Department of Code Compliance treats work done without the proper permits or inspections, including a finished basement or attic, as unpermitted construction; a notice of violation allows a set period to get the permits and inspections, and work permitted after the fact must pass all of them.11 If you bought a house with a finished lower level or a bump-out and can't find its permit, have the company check the county record before new work is designed around it.
23%12 of Fairfax County homes are townhouses or other attached houses, where the work shares walls with neighbors and an association may set work hours. Fairfax County treats condos and apartment buildings as commercial, so work in them needs a commercial building permit; residential permits cover detached one- and two-family homes and townhouses no more than three stories high.9
Staying in the house through the work
In a two-story Fairfax colonial, one workable order is the lower level first, then the upstairs baths, then the kitchen, so the family always has one working bathroom and somewhere to cook. A simple dust barrier, the EPA says, is 6-mil plastic sheeting taped over doors and other openings, with sheeting also taped over the room's heating, cooling or ventilation registers so dust doesn't spread or get into the ducts.10
For very dusty work such as demolition, the EPA describes isolating the work area: sealing it off with no direct access to the occupied rooms, with workers using a separate entrance until cleanup is done.10 A townhouse with a single front door rarely allows a separate crew entrance, which makes a short stay elsewhere during demolition worth pricing in.
Planning the whole house for later years
More than one in four adults 65 and older fall each year.13 A multi-room remodel is the easiest moment to add what is hard to retrofit later: a full bath on the entry level of a colonial, wider doorways while the framing is exposed, and solid blocking behind the drywall wherever grab bars might go.
NAHB's Certified Aging-in-Place Specialist (CAPS) credential trains remodelers in home modifications for aging in place.14 Virginia's Livable Home Tax Credit covers 50 percent of the cost of retrofitting an existing home for accessibility, up to $6,500, and credit beyond the year's tax bill can be carried forward for up to seven years.15 Ask the company which planned features could count before the scope is settled.
What happens when you call
Your call to the number on this page is recorded and connected to one independent company that handles whole-home remodels in the Northern Virginia area. You talk the project through with them directly: which rooms, in what order, and at what price.
That company pays us for the call. You pay us nothing, and we never call or text you. How we make money
After you're connected
Before you sign, look the company up in Virginia's records. Virginia's Board for Contractors licenses contracting businesses as Class A, B or C; the class sets the dollar value of jobs a firm may take on, and its classification or specialty sets the type of work it may do.16 A whole-house contract can run past what the smaller classes allow, so check the class as well as the status. Virginia's Department of Professional and Occupational Regulation advises hiring only licensed contractors, and its License Lookup shows a license's status and any past disciplinary actions.17 Check a Virginia license
Put in writing who will pull each permit. Owners may get Fairfax County permits in their own name, but the county strongly recommends that a properly licensed contractor pull them as the responsible party.9
Questions people ask
How much does a whole-house remodel cost in Northern Virginia?
No public report prices a whole house as a single job. For the Washington, DC market, Cost vs. Value 2025 listed $79,9881 for a major midrange kitchen, $25,9361 for a midrange bathroom and $52,7571 for a basement remodel; a whole-home quote adds up each room you touch plus the wiring, piping and ductwork that connect them.
How many permits does a whole-house job need in Fairfax County?
Usually several. Fairfax County requires a permit for interior alterations and renovations, including bathroom remodels, kitchen renovations, and removing or building walls.6 Residential alteration permits are applied for online in the county's PLUS system, and electrical and plumbing permits for the same project are issued after the building permit and linked to it.9 An addition, deck or dormer is its own building permit on top of that.
Can the furnace or water heater be swapped without a permit?
Not in Fairfax County. Fairfax County's permit guide lists the direct replacement of household appliances, including water heaters and HVAC equipment, among residential work that needs a permit.6 In Fairfax County, electrical and plumbing permits for a residential alteration need no plans, while a mechanical permit is issued only after a Residential HVAC Certification is uploaded.8
Sources
Page updated October 11, 2026. How we source our numbers
- Zonda / Journal of Light Construction, Cost vs. Value 2025, Washington, DC. Released 2025. Washington, DC. Industry source.
- U.S. Census Bureau, American Community Survey 2020–2024 5-year, table B25034. Released January 29, 2026. Fairfax County, VA, Washington-Arlington-Alexandria metro.
- Zonda / Journal of Light Construction, Cost vs. Value 2025, national. Released 2025. United States. Industry source.
- U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics, May 2025. Released May 15, 2026. Heating, Washington-Arlington-Alexandria metro, Heating, United States, Electricians, Washington-Arlington-Alexandria metro, Electricians, United States, Plumbers, Washington-Arlington-Alexandria metro, Plumbers, United States, Carpenters, Washington-Arlington-Alexandria metro, Carpenters, United States.
- U.S. Census Bureau, American Community Survey 2020-2024 5-year, Table B25040 (House Heating Fuel). Released January 29, 2026. Fairfax County, VA.
- Fairfax County Land Development Services, Does My Project Require a Permit?. No publication date. View source.
- U.S. Census Bureau, American Community Survey 2020–2024 5-year, table B25077. Released January 29, 2026. Fairfax County, VA, Washington-Arlington-Alexandria metro.
- Fairfax County Land Development Services, Permit Library: Residential Addition/Alteration. Released October 5, 2026. View source.
- Fairfax County Land Development Services, Permit Library: Addition/Alteration (ALTR), Residential. No publication date. View source.
- U.S. Environmental Protection Agency, Best Practices for Indoor Air Quality when Remodeling Your Home. Released June 23, 2026. View source.
- Fairfax County Department of Code Compliance, Code Compliance in Unpermitted Construction. Released September 3, 2024. View source.
- U.S. Census Bureau, American Community Survey 2020–2024 5-year, table B25024. Released January 29, 2026. Fairfax County, VA.
- Centers for Disease Control and Prevention, Facts About Older Adult Falls. Released September 4, 2026. View source.
- National Association of Home Builders, Certified Aging-in-Place Specialist (CAPS). No publication date. View source. Industry source.
- Virginia Department of Housing and Community Development, Livable Home Tax Credit Program Guidelines and Application (tax year 2026). Released 2026. View source.
- Virginia Department of Professional and Occupational Regulation, Board for Contractors. No publication date. View source.
- Virginia Department of Professional and Occupational Regulation, DPOR Consumer Guide: Hiring a Contractor. No publication date. View source.