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Residential roof replacement with architectural shingles on a Pasadena, MD home
Serving Pasadena, MD 21122

Most roofs installed in

Free estimate — usually within 24 hours. Call 410-508-6141.

Roofing Contractor

Roofing Contractor in Pasadena, MD

Pasadena roofs live a tougher life than inland Anne Arundel — Magothy salt air off the river, Chesapeake wind off the Bay, and a 1950s–60s waterfront cottage stock that was never spec'd for year-round weather. We spec for it. Roofing, siding, windows, gutters, and doors — installed by our own local Maryland crew. Never subcontracted. Family-owned since 2016, MHIC #05-146983. Call 410-508-6141 for a free estimate.

Serving 21122

Google reviews badge — Apper Construction rated 4.9 stars by Maryland homeownersTrustpilot verified reviews badge — Apper Construction Maryland roofing contractor4.9· 48 Google reviews· MHC #05-146983
Get Free Estimate →Call +1 4105086141

Coastal-grade specs for 21122 · most roofs done in 1–2 days · MHIC #05-146983

Serving Pasadena, MD 21122
Roofing Contractor

Roofing Contractor in Pasadena, MD

Pasadena roofs live a tougher life than inland Anne Arundel — Magothy salt air off the river, Chesapeake wind off the Bay, and a 1950s–60s waterfront cottage stock that was never spec'd for year-round weather. We spec for it. Roofing, siding, windows, gutters, and doors — installed by our own local Maryland crew. Never subcontracted. Family-owned since 2016, MHIC #05-146983. Call 410-508-6141 for a free estimate.

Serving 21122

Google reviews badge — Apper Construction rated 4.9 stars by Maryland homeownersTrustpilot verified reviews badge — Apper Construction Maryland roofing contractor4.9· 48 Google reviews· MHC #05-146983
Get Free Estimate →Call +1 4105086141

Coastal-grade specs for 21122 · most roofs done in 1–2 days · MHIC #05-146983

Residential roof replacement with architectural shingles on a Pasadena, MD home
Google reviews badge — Apper Construction rated 4.9 stars by Maryland homeownersTrustpilot verified reviews badge — Apper Construction Maryland roofing contractor

4.9· 48 Google reviews

Free estimate — usually within 24 hours. Call 410-508-6141.

MHIC Licensed Maryland Roofer

MHIC #05-146983

Free estimates

Written, line-itemed

4.9 Google rating

48 Google reviews

Coastal-grade specs

Magothy & Chesapeake exposure

FREE

Free roof inspection for Pasadena homeowners

Serving Green Haven, Lake Shore, Riviera Beach, Rock Creek, and Mountain Road and every Pasadena neighborhood.

WHAT WE DO IN PASADENA

Our Pasadena Services

Popular

Roof Replacement Pasadena MD

Full tear-off and architectural shingle install with algae-resistant granules (StainGuard) and a 25-year workmanship warranty. We replace Green Haven, Lake Shore, and Riviera Beach roofs across 21122 almost every week. Call 410-508-6141 for a free written estimate from a licensed Pasadena roofer — MHIC #05-146983.

Get a roofing estimate →

Roof Repair Pasadena MD

Roof leak repair, salt-air-corroded flashing fixes, popped nails from coastal wind loading, and Nor'easter storm damage — same-week service most of the year, and same-day inspection for active leaks. Honest scope, written line-item. Our family-owned Pasadena crew handles every repair — call 410-508-6141, same-day inspection for active leaks.

Schedule a repair →

Siding Contractor Pasadena MD

James Hardie fiber-cement and premium vinyl that holds up to Magothy salt air and Chesapeake wind. Color-matched to your street. Call 410-508-6141 for a free siding estimate.

See siding options →

Window Replacement Pasadena MD

Energy-efficient replacement windows with lifetime glass-breakage coverage. ENERGY STAR–rated — they pay you back on every BGE bill and stand up to Nor'easter wind loads. Call 410-508-6141 for a free window estimate.

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Gutter Installation Pasadena MD

Seamless aluminum gutters sized to your roof, with copper drip-edge and downspout options for waterfront homes where salt air shortens galvanized lifespan. Call 410-508-6141 for a free gutter quote.

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Door Installation Pasadena MD

Entry, storm, and patio doors built for coastal Maryland weather. Pre-hung, properly flashed, installed in a day. As a family-owned Maryland roofer licensed under MHIC #05-146983, we handle every door installation ourselves. Call 410-508-6141 for a free estimate.

Quote doors →

WHY APPER

Why Pasadena roofs need a coastal-aware spec

Pasadena's roofs live a different life than inland Anne Arundel. Salt air off the Magothy and the Chesapeake corrodes standard flashings, drip edges, and gutters faster than spec sheets predict. Shaded, humid lots in Green Haven, Lake Shore, and Rock Creek grow algae and moss that eat through asphalt shingle granules. And a lot of Pasadena's housing stock is converted 1950s–60s waterfront cottages — beautiful homes, but with original framing, undersized rafters, and roof-to-wall transitions that aren't on any modern blueprint. We replace those roofs every week, and we spec for coastal: algae-resistant architectural shingles, stainless or hot-dipped galvanized fasteners, kynar-coated drip edges, synthetic underlayments, and ridge venting that meets current Anne Arundel County code across all of 21122. That's what makes the next roof last 30 years on a Pasadena lot — not 12.

What we see again and again on Pasadena roofs comes down to four things. First, granule loss — algae and moss thrive on the shaded, humid lots in Green Haven, Lake Shore, and along Mountain Road, eating through the protective ceramic granules that keep asphalt shingles from baking in UV. Second, flashing corrosion — standard galvanized flashings on waterfront homes near the Magothy or Stoney Creek pit and fail in eight to twelve years instead of the twenty-plus you'd get inland. Third, undersized ventilation — many of the 1950s–60s cottages here were never re-vented when attics were finished, which traps moist Chesapeake air and rots decking from the inside. Fourth, kick-out and step flashing failures at chimney and dormer transitions — the original roof-to-wall details on older Pasadena homes weren't built for today's rainfall patterns.

What changes when you call Apper for a Pasadena estimate. We're a family-owned Maryland contractor — MHIC #05-146983 — and we send our own W-2 crew, never a subcontractor, to every Pasadena job. The first visit is a real inspection: we climb the roof, check the attic, photograph penetrations and flashings, and email a written, line-itemed estimate within twenty-four hours. If the job needs an Anne Arundel County permit, we pull it in our name. If your insurer is involved, we document everything to their format. On install day we tarp landscaping, protect AC units, and clean the yard before we leave — we expect to be invited back for the next neighbor on Mountain Road. Most Pasadena roofs are finished in one to two days, with a 25-year workmanship warranty on top of GAF or CertainTeed material coverage.

25

years — typical Pasadena roof end-of-life

2

days typical install time

500

Anne Arundel County projects completed

Maryland licensed & insured

MHIC #05-146983. Fully bonded, $2M general liability.

Local crews, never subbed out

Our W-2 employees install every roof. No middlemen.

Free estimates, in writing

Detailed line-item pricing — no high-pressure sales.

Manufacturer-certified

GAF Master Elite® and CertainTeed SELECT ShingleMaster™.

FAQ

Common questions from Pasadena.

Do I need a permit for a roof replacement in Pasadena, MD?

Yes — Anne Arundel County requires a building permit for any roof replacement that involves tearing off the existing roof, structural changes, or ventilation upgrades. For a like-for-like asphalt shingle replacement on a single-family home in 21122, the permit is straightforward and typically issued within a few business days. We handle the entire permit process for our customers as part of every Pasadena estimate — we pull the permit in Apper Construction's name, schedule the required inspections, and meet the county inspector on-site. You don't have to call the county, fill out forms, or take time off work. If you're getting quotes from other contractors, ask whether the permit is included — many estimates skip it, which leaves you responsible for fines if a future inspection catches the unpermitted work.

What makes Pasadena coastal roofing different from inland Maryland?

Three things: salt air, humidity, and wind. Salt air drifting in off the Magothy River and the Chesapeake Bay attacks standard galvanized fasteners, drip edges, and step flashing — pitting them and breaking the corrosion barrier years before the shingles themselves wear out. We spec stainless or hot-dipped galvanized hardware on every Pasadena coastal job, and kynar-coated drip edges that hold up to salt exposure. Humidity from the waterways and shaded tree canopy feeds algae and moss on north-facing roof slopes, especially in Green Haven and Lake Shore — we install algae-resistant shingles like GAF Timberline HDZ with StainGuard Plus or CertainTeed Landmark with StreakFighter as the default. Wind comes from two directions — summer Nor'easters and winter Bay storms — so we use six-nail patterns and ice-and-water shield at eaves, valleys, and around every penetration.

How long does a roof replacement take in Pasadena?

Most Pasadena roof replacements take one to two days from tear-off to final cleanup. A standard single-family home in 21122 with architectural shingles, a single roof level, and average pitch is usually a one-day job — our crew arrives between 7:00 and 7:30 AM, tarps your landscaping, removes the old roof to the deck, replaces any rotten plywood, installs ice-and-water shield, underlayment, and the new shingles, and is gone with the dumpster by late afternoon. Two-day jobs are typically larger Mountain Road colonials, multi-pitch roofs with several dormers, or homes that need full plywood replacement. We don't leave materials, tools, or trash on your lawn overnight — Pasadena neighbors notice that kind of thing, and we want to be invited back for the next house on the street.

How much does a roof replacement cost in Pasadena, MD (ZIP 21122)?

Most Pasadena roof replacements run between $9,000 and $24,000. The exact number depends on five things: square footage, pitch, decking condition, material grade, and proximity to the water. A typical 1950s–60s single-story Pasadena cottage with standard pitch and intact decking lands in the $9,000–$14,000 range with architectural shingles. Larger Mountain Road colonials, multi-level homes, or waterfront homes that need coastal-grade flashings and impact-rated shingles run $16,000–$24,000. We provide free, written, line-item estimates — no high-pressure phone sales, no 'limited-time discounts' you'll never see again. The number we give you is the number you pay, unless we open the roof and find structural decking damage that wasn't visible from the attic, in which case we show you the rotten boards before any extra work.

Do you install impact-rated or algae-resistant shingles in Pasadena?

Yes — and on most Pasadena roofs, we recommend both. As GAF Master Elite® and CertainTeed SELECT ShingleMaster™ certified installers, we have access to the full premium shingle lineup. For algae resistance, the default on Pasadena lots is GAF Timberline HDZ with StainGuard Plus (10-year algae warranty) or CertainTeed Landmark with StreakFighter — both use copper granules to inhibit algae growth on humid, shaded slopes common in Green Haven and Lake Shore. For impact resistance, we install GAF Timberline AS II (Class 4 impact-rated) on homes where homeowners want the insurance-premium discount that many Maryland carriers offer for Class 4 roofs. Both options carry the same 25-year workmanship and material warranty when we install them, transferable if you sell the home.

What warranty do you offer on Pasadena roofs?

Every Pasadena roof we install carries two warranties. First, our own 25-year workmanship warranty — separate from the manufacturer's, fully written, transferable to the next homeowner if you sell, and we honor it for the full term. Second, the manufacturer's material warranty. For GAF installs, that's typically the Golden Pledge® warranty: 25 years on materials and labor, or the lifetime warranty depending on the shingle line. For CertainTeed installs, that's SELECT ShingleMaster™ coverage. We register the warranty with the manufacturer at install — most contractors don't bother, which voids the homeowner's coverage. On the rare leak or wind claim, we're the first point of contact, document the issue with the manufacturer if needed, and handle the repair. That's the difference between a paper warranty and one that's actually used when something goes wrong.

Pasadena roof feeling the salt air? Call 410-508-6141.

If your shingles are losing granules from algae, your flashings are corroding from Magothy salt, or your gutters are giving up under a Nor'easter — give us a call. We'll come out, climb on the roof, and give you a real, written number. Coastal-grade spec, family-owned, Maryland-licensed. MHIC #05-146983.

Get My Free Pasadena EstimateCall (410) 508-6141

Most Pasadena roof replacements run $9K–$24K — 1950s–60s cottages and ranches sit at the lower end, larger Mountain Road colonials and waterfront homes toward the top. You get a written, line-itemed number before anything is scheduled. Call 410-508-6141 for a free written estimate.

Service Area

Serving Pasadena & nearby.

Severna ParkGlen BurnieSevernMillersvilleArnold

How it works

Three steps. No surprises. Call 410-508-6141.

Step 01

Free inspection

We come to your home, get on the roof, and email a written estimate within 24 hours. For waterfront homes we also flag salt-air corrosion and algae issues. Call 410-508-6141 or book online.

Step 02

Pick your materials

See real shingle, siding, and coastal-flashing samples on-site. Financing available — 0% APR for 18 months for most homeowners. As a family-owned Maryland roofer, there's no third-party sales floor pressure.

Step 03

Installed in a day

Most Pasadena roofs are done in 1–2 days. Yard left cleaner than we found it — guaranteed. Our family-owned crew — call 410-508-6141. We pull the Anne Arundel County permit when the job calls for it.

WHAT PASADENA NEIGHBORS SAY

4.9★ across 48 Google reviews from Maryland homeowners.

C

Clarke Callinan

Clarke Callinan

“The Adder Construction Team implemented a creative, cost conscious repair concept to address the result of our recent chimney removal. The team was professional and efficient. They completed the job in one day and we couldn't be happier with the results.”

D

Danay Rodriguez

Danay Rodriguez

“I cannot say enough good things about Apper Construction ! From start to finish, the experience was absolutely top-notch. The team was professional, courteous, and extremely knowledgeable, walking me through every step of the process and answering all my questions with patience and clarity. The quality of their work is outstanding. They replaced my roof in just one day, and the results are stunning! Their attention to detail was evident throughout—everything from the precise installation to the thorough cleanup afterward. It’s as if they were never here, except now I have a beautiful, durable roof that I know will last for years to come. What really stood out was their honesty and transparency. They provided a fair, detailed estimate with no hidden fees, and the work was completed on time and on budget. It’s refreshing to work with a company that truly cares about its customers and takes pride in doing exceptional work. If you’re looking for reliable, high-quality roofing services, look no further than Apper Construction . I will recommend them to everyone I know!" ”

D

Danny Bonilla

Danny Bonilla

“They do a great job They do a great job, definitely recommended”

RECENT WORK

Pasadena projects, built to last.

Second-Floor Dormer Construction with Maintenance-Free Exterior
Roofing

Second-Floor Dormer Construction with Maintenance-Free Exterior

Second-Floor Dormer Construction with Maintenance-Free Exterior

A complete second-floor dormer — framing, roofing, siding, and a new window — built for a Maryland home and engineered to be maintenance-free for decades.

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Emergency Roof Leak Repair After a Bad Diagnosis
Roofing

Emergency Roof Leak Repair After a Bad Diagnosis

Emergency Roof Leak Repair After a Bad Diagnosis

A Maryland homeowner had been quoted thousands in unnecessary work. We inspected, diagnosed honestly, and fixed the real problem — a single failed flashing detail — at a fair price.

View project →
Wind-Damage Siding Replacement Within Insurance Estimate
Siding

Wind-Damage Siding Replacement Within Insurance Estimate

Wind-Damage Siding Replacement Within Insurance Estimate

Storm-damaged siding replaced cleanly, on schedule, and exactly within the homeowner's insurance estimate — no upsell, no surprises. Maryland.

View project →
Apper Construction LLC logo

Family-owned Maryland contractor since 2016 — roofing, siding, windows, gutters, and doors across Anne Arundel & Howard County. MHIC #05-146983 · 4.9★ · 48 Google reviews.

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