Commercial Roofing in Reston, VA

Reston Roof works on low-slope and flat roofs, condo and townhouse association roofs, and some small commercial buildings, though most of our Reston work is residential. If you own, manage or sit on the board of a building like that, this page is a decision guide: who has the authority to order the work, which County rules apply, what upkeep a flat roof needs, and what to ask any roofer. To find out whether your building suits what we do, call (571) 453-6515 for the free 15-minute phone consultation.

Who Decides and Who Pays: Owner, Board or Manager

Before anyone climbs a ladder, settle who owns the decision. In Reston that question comes up more often than in most places, because about 47 percent of the community's housing units sit in buildings with five or more units (American Community Survey, 2024 five-year estimates), and another 30 percent are townhouses.

For a condominium, the Virginia Condominium Act (section 55.1-1955) puts maintenance, repair and replacement of common elements, and the cost responsibility that goes with it, on the unit owners' association, subject to what the condominium instruments provide. The statute does not name roofs. Whether your roof is a common element is a question for your declaration, so read it before you call anyone.

A short checklist for a board or manager:

• Read the declaration and bylaws to confirm whether the roof is a common element and who may sign a contract.
• Check reserves and approval thresholds. Many associations need a board vote, and sometimes an owner vote, above a set amount.
• Separate repair from replacement. A repair may sit in the operating budget while a replacement is a reserve item.
• Line up Reston Association paperwork early if the property is governed by it. A cluster or condominium board officer signs the application for those properties.

Townhouse clusters work differently: owners often hold their own roofs while the cluster standards decide how uniform they must look. Our Reston hub page covers the row-by-row questions.

Which County Permit List Applies

Reston is an unincorporated part of Fairfax County, so permits come from Fairfax County Land Development Services (LDS), not from Reston Association. The County's "when a permit is required" list has a residential column and a commercial column, and they are not the same.

| Question | What the County list shows | What to do | |---|---|---| | Small commercial replacement | Replacing less than 100 square feet of roof covering needs no permit in the commercial column | Do not treat 100 square feet as a promise about your job | | Commercial roof repair | Listed under commercial miscellaneous work, which is permit work | Ask LDS where a patch ends and a repair begins | | Single-family or townhouse roof | Residential column applies | See roof replacement in Reston | | Condo or apartment building | Classification is a building-official decision | Ask LDS at 703-222-0801 before work |

The state building code also exempts unlimited roof covering replacement for Groups R-3, R-4 and R-5 only. How a condo or apartment building is classified is for the building official, which is why we suggest a call to LDS rather than a guess.

A flat or low-slope section on a house or townhouse is a residential roof with a low-slope system, not a commercial roof. If that is your situation, start with our flat roof page.

Older Buildings, Asbestos and Energy Code

Two triggers catch owners by surprise.

Asbestos. The state code requires an asbestos inspection before renovation or demolition of buildings built before 1985, except single-family dwellings and residential buildings with four or fewer units. Reston's median housing unit was built in 1984, so older condo, apartment and commercial buildings are a live concern. Whether LDS asks for it on a roof-only permit is something to confirm. Our TPO roofing page answers the common questions about older buildings.

Energy code. Fairfax County enforces the 2021 Virginia Uniform Statewide Building Code and the 2021 Virginia Energy Conservation Code. The model energy code treats a replacement that removes insulation sitting entirely above the deck differently from a recover, and allows relief where parapets, curbs or thresholds make added thickness impractical. Virginia's adopted wording is what governs, so ask LDS what applies to your tear-off before the scope is fixed. We are not quoting any insulation value here for that reason.

Reston Town Center and Lake Anne

Two Reston districts have their own layer of review. Reston Town Center has its own association and design review board, which reviews new construction and exterior modifications such as lighting, signage, facades, trim, doors and windows. Its published list does not name roofs, so if your project changes anything visible from the street, ask the board (drb@restontc.org, 703-435-6600) before you commit.

Lake Anne Village Center is the only County historic overlay in Reston, and that status can affect exterior changes. Elsewhere, properties governed by Reston Association need an application at one of five review levels, with at least three neighbors notified. Ask your covenants advisor (cov@reston.org) which level applies to your roof.

Assess First, Then Choose a System

Owners often start by asking which membrane to buy. That is the second question. The first is what is wrong with the roof and why.

An assessment before anything is specified should look at:

• Drainage and ponding. Where does water leave the roof, and where does it stay? NRCA guidance says inadequate drainage must be corrected, not covered.
• Penetrations and curbs. Rooftop equipment, vent pipes and skylights are common leak points, especially after service visits.
• Seams, flashing and edges. Perimeter details fail before the field of the roof does.
• Moisture in the insulation. NRCA guidance says surveys can suggest where wet insulation is, but test cuts should confirm it, and it does not recommend re-covering over wet insulation.
• The deck, where it can be seen from below. Rust or stains on the underside tell you something the top surface cannot.

The results sort the job into three outcomes: a repair of a localized failure, a larger restoration of one section, or a replacement when problems are widespread or repeated. Material choice comes after that sorting. When you reach it, the TPO, EPDM, PVC and metal pages each cover one system, and the materials overview shows how they fit together. We do not rank them here because the right answer depends on your roof.

For the inspection topic itself, including what a roof inspection covers for houses and townhouses, see roof inspection in Reston.

A Twice-Yearly Maintenance Visit

NRCA recommends that roof systems be inspected and repaired twice a year and after severe weather. A routine visit is mostly housekeeping that keeps small problems small:

• Clear drains, scuppers and gutters of leaves and debris.
• Look at standing water and note whether it clears.
• Check seams, flashing and sealed penetrations.
• Make small repairs while they are still small.
• Record what was found and what was done.

The record matters as much as the visit. A property manager's roof file should hold dated photos, locations marked on a roof plan, leak history, repairs made, permits and any manufacturer paperwork. When a roof changes hands between managers or boards, that file is the difference between a known roof and a guess.

NRCA publishes checklists for recording findings consistently. Our commercial roof maintenance checklist and flat roof maintenance guide cover the routine in more detail, and silicone roof coating is one option some owners look at for extending a sound roof.

Working on an Occupied Building

A technically sound roof job can still be a poor experience if nobody planned around the people inside. Agree these before work starts:

• Access and staging: where materials are loaded, where debris goes, and which entrances stay clear.
• Notice: how tenants, residents and neighbors are told, and by whom.
• Rooftop equipment: who shuts down or protects HVAC units and when.
• Noise and odors: which hours are acceptable, and what happens near air intakes.
• Phasing: whether the roof is done in sections so part of the building stays protected.

For an association, add the board's communication plan and any Reston Association steps to that list. We would rather work these out on the phone than assume them.

Active Leaks and Storm Damage

If water is entering an occupied building, keep people away from wet ceilings and electrical fixtures, move contents if you can, and take photos for your records. Then call. Our storm damage roofing page explains emergency tarping and documentation, and the roofing insurance page explains how roof damage documentation fits into a claim. Coverage decisions stay between the policyholder and the carrier.

Talk It Through Before You Commit

If you are weighing a repair, a replacement or a maintenance routine for a condo, multifamily or small commercial roof, the free 15-minute phone consultation is the place to start. It is the only free service we offer, and it tells you whether your building suits what we do. Have the address, building type, roof type and approximate age if you know them, where it leaks, how the roof is reached, and who owns or manages the property.

Book the free 15-minute phone consultation or call (571) 453-6515. If you are still comparing options, our guide to choosing a flat roofing company lists questions worth asking anyone, including us, and repair and replacement pages cover the residential side.