Montgomery County · MD

Basement Finishing in Silver Spring

This is the cheapest square footage you can add — if it is finished legally. We are a licensed contractor in Maryland (MHIC #111971) — we pull the permits through the Montgomery County Department of Permitting Services, coordinate the licensed trades, and hand you a written line-item scope before demolition starts.

★★★★★ 139 Reviews · A+ BBB · MHIC #111971 · VA Class A #2705183185 · Licensed & Bonded in MD & VA

Start your Silver Spring basement finishing with a written scope

Tell us the two things we need to call you back — a project manager rings you to book the free walkthrough. We work Wheaton, Takoma Park, Kensington and every Silver Spring ZIP: 20901, 20902, 20903, 20904, 20905, 20906, 20910.

  • A written, line-item scope for your Silver Spring project before anyone swings a hammer
  • Permits pulled through the Montgomery County Department of Permitting Services under MHIC #111971
  • One project manager from demolition to final walkthrough
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Permits & inspections in Montgomery County

The paperwork is the part most contractors gloss over.

A finished basement needs a building permit and, in almost every case, electrical, plumbing and mechanical permits alongside it. Two code requirements decide whether the space is legal: any room used for sleeping needs proper emergency egress, and habitable space needs a minimum finished ceiling height. The framing and rough-in inspection has to pass before insulation and drywall — get that wrong and the drywall comes back off.

Your Silver Spring permit goes through the Montgomery County Department of Permitting Services. We pull it under our license and we hold the inspection schedule — you do not chase inspectors and you do not sign the application.

Local to Silver Spring

Silver Spring is unincorporated Montgomery County — despite how it is talked about, there is no city government issuing permits. Everything goes through Montgomery County Department of Permitting Services, including the separate electrical permit the county requires for any circuit work. The one local wrinkle worth knowing: the neighbouring towns of Takoma Park and Kensington DO run their own review, so if your address straddles that line the answer to “who permits this” changes with the street.

What we find in Silver Spring homes

The house decides half the scope.

Silver Spring is one of the older housing stocks in the county — large numbers of 1920s–1950s bungalows, capes and brick colonials, plus mid-century ramblers further out. Knob-and-tube remnants and 60–100 amp panels are common in the pre-war houses, which is why a basement finish here so often starts with a panel upgrade. Many basements are also below the water table with no perimeter drainage, so waterproofing has to be settled before framing, not after.

What's included
  • Permitted as habitable space, so it counts and it appraises
  • Egress addressed before framing if a bedroom is in the plan
  • Smoke and CO alarms tied into the house system
  • Framing and rough-in inspection passed before insulation and drywall
Planning range — Montgomery County
$32k – $100k

A planning range, not a quote. Your written line-item price comes after a free on-site walkthrough. HVAC, electrical and plumbing are performed by licensed trade partners.

Financing is available — most homeowners spread a project this size over monthly payments rather than paying cash up front.

20901209022090320904209052090620910WheatonTakoma ParkKensingtonColesville

Free Silver Spring walkthrough

A written, line-item scope for your basement finishing project. No design fee, no obligation.

By submitting you agree United Developers may call or text you about your request, including by autodialed/automated means and AI voice, at the number provided. Consent is not a condition of purchase. Msg/data rates may apply. Reply STOP to opt out.

★★★★★
United Developers replaced the roof on our home in Clarksburg due to hail — in one day. Shaw walked me through the whole insurance claim process. A smooth and efficient experience.
Silvia Reyes · verified Google review

139 reviews at 4.9 stars across Google, and most of them are for our roofing and exterior work — that is the business we started in. The crew, the licences and the paperwork are the same ones now carrying basement finishing projects. Read all our reviews →

Also in Silver Spring

One contractor for the rest of the house

Our Silver Spring crews cover Wheaton, Takoma Park, Kensington, Colesville and every ZIP in the area — 20901, 20902, 20903, 20904, 20905, 20906, 20910.

Silver Spring basement finishing questions

Straight answers

Do you handle basement finishing in Silver Spring, MD?

Yes. United Developers is a licensed contractor in Maryland (MHIC #111971) and works throughout Silver Spring and Montgomery County, including 20901, 20902, 20903, 20904 and nearby Wheaton, Takoma Park, Kensington.

Who pulls the permit for a Silver Spring basement finishing project?

We do, under our license, through the Montgomery County Department of Permitting Services. A finished basement needs a building permit and, in almost every case, electrical, plumbing and mechanical permits alongside it. Two code requirements decide whether the space is legal: any room used for sleeping needs proper emergency egress, and habitable space needs a minimum finished ceiling height. The framing and rough-in inspection has to pass before insulation and drywall — get that wrong and the drywall comes back off.

What should I expect in a Silver Spring home?

Silver Spring is one of the older housing stocks in the county — large numbers of 1920s–1950s bungalows, capes and brick colonials, plus mid-century ramblers further out. Knob-and-tube remnants and 60–100 amp panels are common in the pre-war houses, which is why a basement finish here so often starts with a panel upgrade. Many basements are also below the water table with no perimeter drainage, so waterproofing has to be settled before framing, not after.

What does basement finishing cost in Silver Spring?

Most Silver Spring projects land in the $32k – $100k range. That is a planning range for Montgomery County, not a quote — your written price comes after a free on-site walkthrough.

Is the Silver Spring walkthrough and estimate free?

Yes. The walkthrough and the written scope are free and yours to keep whether or not you hire us. There is no design fee and no consultation invoice.

Can I put a bedroom in my finished basement?

Only with proper emergency egress — that means a code-compliant egress window and window well, or a walkout. It is the single most common reason a basement bedroom fails inspection or gets flagged at resale. We settle it during design, before framing, because retrofitting egress into finished walls is expensive.

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