RBJ Exterior Solutions
Pressure washing · Dundalk, MD

Pressure Washing in Dundalk, MD That Actually Gets the Job Done

RBJ Exterior Solutions serves Dundalk and the surrounding Baltimore County communities with professional pressure washing, soft washing, roof cleaning, gutter cleaning, and mosquito control. If your siding, driveway, or roof has been collecting algae and grime through another Maryland summer, we can clear it out.

  • Licensed & insured
  • Soft wash + pressure wash
  • Free estimates
Wide view of a freshly pressure washed brick and vinyl colonial home in a Dundalk Maryland residential neighborhood with clean driveway and lush green lawn
Close view of a residential concrete driveway in Dundalk Maryland showing a sharp contrast between a dark stained half and a freshly pressure washed bright clean half
Local conditions

Why Dundalk Homes Deal with More Exterior Grime Than Most

Dundalk was developed heavily between the 1920s and 1960s, and a large share of its residential properties feature older vinyl, aluminum, and painted wood siding that oxidizes and stains faster than newer materials. The neighborhoods closest to the water, including areas around Dundalk Marine Terminal, the Back River Neck peninsula, and the shoreline communities off Grays Road, see higher ambient moisture levels that accelerate the growth of algae, mold, and mildew on every exterior surface, from shingles down to the concrete apron at the bottom of the driveway.

That moisture problem compounds with the tree canopy. Dundalk has significant mature tree cover, and shaded roofs stay damp longer after rain, which is exactly the environment where black streak algae and moss take hold on asphalt shingles. Homeowners often mistake those black streaks for simple dirt or granule loss, but they are almost always a cyanobacteria called Gloeocapsa magma, which keeps growing unless treated with the right cleaning agents.

The area also sits at the receiving end of Baltimore's humid mid-Atlantic weather patterns. Every summer brings heat, high humidity, and convective storms that leave standing water in gutters and on flat deck surfaces. Every fall dumps a fresh load of leaves from the canopy into those same gutters. By spring, most Dundalk homes have six months of biological growth and debris loading on their exterior surfaces that a garden hose will not touch.

Close angled view of a freshly pressure washed white vinyl siding panel on a Dundalk Maryland colonial home showing clean surface with water streaming down
What we clean

Exterior Cleaning Services Available in Dundalk, MD

RBJ Exterior Solutions handles every major exterior surface on a residential property. Whether you need one service or the whole house done at once, these are the options available to Dundalk homeowners.

  • Pressure Washing and Exterior Cleaning

    High-pressure water cleaning removes built-up dirt, mold, mildew, and staining from siding, foundations, retaining walls, and other hard surfaces around your Dundalk property. This is the starting point for most full-exterior jobs.

  • House Washing and Soft Washing

    Low-pressure soft washing uses professional-grade cleaning solutions to strip algae, oxidation, and biological growth from vinyl, brick, stucco, and painted surfaces without the risk of surface damage. Older Dundalk siding especially benefits from this lower-pressure approach.

  • Roof Cleaning and Soft Wash

    Biodegradable cleaning agents applied at low pressure kill and remove the black streaks, moss, and lichen that are common on shaded roofs in Dundalk neighborhoods. This method follows manufacturer guidelines and does not void shingle warranties the way high-pressure roof washing does.

  • Gutter Cleaning

    Leaves, debris, and compacted buildup are fully cleared from gutters and downspouts, preventing the overflow and fascia damage that Baltimore County's heavy fall canopy drop causes every year in Dundalk. Clogged gutters also push water against foundations, which is a particular concern for older homes in the area.

  • Driveway and Sidewalk Cleaning

    Surface cleaning equipment paired with high-pressure water pulls out oil stains, tire marks, rust, and embedded dirt from concrete driveways and walkways. Dundalk's older concrete tends to be more porous, so stains that have been sitting for years often come out better than homeowners expect.

  • Deck and Patio Cleaning

    Wood, composite, and stone deck and patio surfaces are cleaned of mildew, tannin stains, and grime that builds up through Maryland's wet seasons. If you have a rear deck on the water side of your property, the humidity load on that surface is almost always higher than the front of the house.

  • Fence Washing

    Pressure or soft washing is applied to wood, vinyl, aluminum, and chain-link fencing to remove the green algae film and weathering that dulls fence color and makes the yard look neglected. A single fence wash before listing a property can noticeably change curb appeal on a Dundalk street.

  • Window Cleaning

    Exterior glass, frames, and sills are cleaned of hard water deposits, oxidation, and environmental film that standard hosing cannot fully clear. Homes near Back River and the waterfront areas of Dundalk accumulate mineral film on glass faster than inland properties.

  • Mosquito Control and Mosquito Treatment

    Scheduled barrier spray programs applied to trees, shrubs, and ground cover significantly reduce active mosquito populations through the season. One-time event treatments are also available for outdoor gatherings. The standing water and dense vegetation common in parts of Dundalk create ideal mosquito breeding conditions from late spring through early fall.

On the ground

Neighborhoods and ZIP Codes We Serve in and Around Dundalk

RBJ Exterior Solutions works throughout the Dundalk, MD area, covering the communities and neighborhoods that make up this part of eastern Baltimore County. If your address falls in the 21222 ZIP code, which covers the core of Dundalk, or in the 21224 corridor that runs toward the city line, we serve those areas regularly.

Within and adjacent to Dundalk, we cover neighborhoods including Eastfield, Charlesmont, Inverness, Merritt Park, Gray Haven, Holabird, Trappe, and the communities along the Back River Neck peninsula. We also extend east into Essex and Middle River, and west toward the Highlandtown and Greektown edges of the city.

For residents further into Baltimore County, RBJ Exterior Solutions also serves Towson, Parkville, Rosedale, Nottingham, and White Marsh to the north and northeast, and Catonsville and Woodlawn to the west. Dundalk homeowners who have family or investment properties in other parts of the county can coordinate service for multiple addresses through the same call.

View all 20 service areas
What to expect

What to Expect When You Book a Pressure Washing Job in Dundalk

  1. 1

    Free Estimate

    Call or email to describe your property and what you need cleaned. RBJ Exterior Solutions provides a straightforward estimate based on your square footage, surface types, and service scope. No obligation and no ambiguous pricing.

  2. 2

    Scheduling

    Once you confirm the estimate, you pick a date that works. Jobs in the Dundalk area are scheduled Monday through Saturday. The team gives you a service window so you know when to expect them, not a broad waiting window that eats your whole day.

  3. 3

    Surface Preparation

    When the crew arrives, they assess each surface, confirm the approach (pressure vs. soft wash), and move any furniture or objects that need to be cleared from the work area. Landscaping near treated surfaces is protected before any cleaning agents are applied.

  4. 4

    Cleaning

    Each surface is cleaned using the correct method and pressure for that material. Roofs and older siding get soft wash treatment. Concrete driveways and walkways get surface cleaning equipment. Gutters are cleared by hand and flushed. Windows are finished by hand to remove streaks and hard water film.

  5. 5

    Walkthrough and Follow-Up

    Before the crew leaves, you have the chance to walk the property and confirm everything looks right. If something needs a second pass, it gets one. RBJ Exterior Solutions wants the result to be obvious when you look at your house from the street.

Scroll the steps sideways to follow the full process.

Good to know

Frequently Asked Questions About Pressure Washing in Dundalk, MD

How much does pressure washing cost in Dundalk, MD?
Pricing depends on the size of your property and which surfaces you need cleaned. A single-surface job like a driveway or a section of fence will run differently than a full-exterior package that includes house washing, gutters, windows, and roof cleaning. Contact RBJ Exterior Solutions directly for a specific estimate on your Dundalk address, since flat-rate pricing published online rarely reflects the actual scope of the job at your property.
Is RBJ Exterior Solutions insured for work in Dundalk?
Yes, RBJ Exterior Solutions is licensed and insured. Any time a crew is working on your roof, running pressurized equipment across your driveway, or applying cleaning agents near your landscaping, you want that coverage in place. Ask for confirmation at the time of your estimate if you need it in writing.
How quickly can I get scheduled for pressure washing in Dundalk?
Scheduling availability depends on the time of year. Spring is the busiest season for exterior cleaning in Baltimore County, so booking earlier gets you a better date. For non-urgent jobs, most Dundalk customers can get on the schedule within a reasonable window by calling 203-751-0574. If you have a deadline, like a listing date or an event, mention that when you call so the team can prioritize accordingly.
Will pressure washing damage my older Dundalk siding or roof?
High-pressure washing applied to older vinyl, painted wood, or asphalt shingles can cause real damage, which is why RBJ Exterior Solutions uses soft washing on those surfaces instead. Soft washing uses low pressure and professional cleaning solutions to remove biological growth without cracking, lifting, or etching the surface. Your roof soft wash also follows the method that shingle manufacturers recommend, so it does not create a warranty issue.
Do you offer mosquito control in Dundalk, or just exterior cleaning?
Both. RBJ Exterior Solutions offers scheduled mosquito barrier spray programs through the season, as well as one-time treatments before outdoor events. Given the amount of standing water and dense vegetation in lower-lying parts of Dundalk, mosquito pressure through the summer months can be significant. The barrier program is applied to trees, shrubs, and ground cover and reduces active populations for the duration of the treatment schedule.
How often should a Dundalk homeowner schedule exterior cleaning?
For most Baltimore County properties, once a year is the minimum for house washing and gutter cleaning, and twice a year is reasonable if you have heavy tree cover or a waterfront-adjacent address. Roof soft washing is typically needed every two to three years depending on how much shade your roof receives. If you can see visible black streaks or green growth from the street, that surface is already overdue.
Can I find pressure washing near me in Dundalk without a long wait?
RBJ Exterior Solutions is based in the Baltimore County area and runs a tight service footprint, which generally means shorter scheduling waits compared to companies pulling crews from across the region. If you are searching for pressure washing near me in the Dundalk area, call 203-751-0574 or email info@rbjexteriorsolutions.com to check current availability.