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⭐ 4.9 · 48 reviews · Serving Severn, Gambrills, Millersville, Odenton +13 areasLoading…
LICENSED ROOFING · SIDING · WINDOWS · GUTTERS · DOORS
Family-owned Maryland contractor since 2016. We handle roofing, roof repair, siding, windows, gutters, and doors across five Maryland counties — with our own licensed crews, honest written estimates, and a 25-year workmanship warranty. MHIC #05-146983 · 4.9★ · 48 Google reviews · 410-508-6141.
Apper Construction LLC is a family-owned roofing and exterior contractor based in Severn, Maryland, founded in 2016 by Leandro "Leo" Teletor. What started as a small Hispanic family crew has grown into a trusted local team holding MHIC license #05-146983 and serving Anne Arundel, Baltimore, Howard, Montgomery, and Prince George's Counties.
After years of working hand-in-hand on roofs, siding, gutters, windows, and dormers across Maryland, Leo and his crew built Apper Construction on three promises: show up on time, do the job right the first time, and treat every home like it was our own. That's how you get 4.9 stars across 48 verified Google reviews.
We're not a sales office with a call center — we're the same crew that climbs the ladder, runs the estimate, and cleans up the yard before we leave. Call 410-508-6141 or use the form for your free, written estimate.
What We Stand For
Every roof, soffit, and gutter line is installed with manufacturer-spec techniques and premium GAF, CertainTeed, and James Hardie materials — so your home stays watertight for decades, not seasons. MHIC #05-146983.
We honor our schedule. From the first estimate to the final cleanup, you'll know what's happening, when, and what it costs — no surprises. Our 4.9★ rating across 48 Google reviews reflects that consistency.
We listen before we quote. Leo personally walks every property, explains the real condition of your roof, and recommends only what your home actually needs — never upsells. Free, written estimate at 410-508-6141.
We live and work in the same Maryland neighborhoods we serve — Severn, Odenton, Gambrills, Columbia, Ellicott City, and across Anne Arundel County. Our reputation is built one referral at a time, and we protect it on every job.
500
Satisfied Maryland Homeowners
600
Roofing & Exterior Projects Completed
10
Experienced Crew Members
9
Years Serving Maryland Families
MHIC #05-146983 · GAF MASTER ELITE® · CERTAINTEED SHINGLEMASTER™
Solutions engineered for Mid-Atlantic weather: heavy spring rain, ice dams, wind-driven storms, and humid summers — all challenges we solve on Anne Arundel and Howard County roofs every week.
Honest, line-itemed estimates. No upsells, no vague "starting at" numbers, no surprise change orders. You know exactly what you're paying before we start — and our price doesn't change after the contract is signed.
Leo is on-site or one phone call away on every project — not a subcontractor you've never met. Call 410-508-6141 and you'll reach the person who knows your project.
Free estimates — no pressure, no surprises. Maryland's trusted exterior contractor.