The Delaware River keeps the air humid in New Castle, so mildew returns fast on river-facing walls and shaded sides of homes under mature trees. Our team at T&T Powerwash washes that growth off the brick rowhouses and townhouses in town and keeps it off. Whether you’re on Market Street, The Strand, or closer to the water, call (302) 415-3285 and we’ll get your brick looking clean again.
Most of what we clean in New Castle is homes, with a steady commercial side. The crew and standards stay the same; only the scheduling changes.
A lot of homes here are brick rowhouses and townhouses with painted wood trim, along with vinyl siding and Hardie board. We match the process to the material and work carefully where homes share walls.
Brick and masonry usually need a gentle wash each spring, while walkways and patios near the water need it more often.
We can take on properties such as the low-rise brick buildings in the older part of town. We walk the site, ask your budget so the dirtiest areas come first, and send a line-item quote.
Scheduling and access get settled at the site walk. We provide a COI and W-9 on request and accept net 30.
A few things come up in our reviews again and again.
Responsiveness and communication are the words customers use most in our Google reviews. We pick up the phone, and your quote comes by text to approve with one tap. You get a prep checklist before the visit and a heads-up when we’re on the way, and if we’re late, you hear it from us first.
We’ve earned 500+ five-star Google reviews, more than nearly any exterior cleaning company in Delaware. Every one came from a single property, one job at a time.
Two friends started us in 2021 with a hand-built pressure washer and about a hundred dollars in parts. We still own and run it ourselves, and we look after every New Castle property the way we’d look after our own backyard.
Our cleaning power comes from chemistry, a mild mix built on SH (sodium hypochlorite), not from cranking up the pressure. Your plants, siding, and softer surfaces come through without scars or scorched leaves. On roofs we bag the gutters and rinse the shingles afterward, as ARMA guidelines call for. Spraying SH on a roof is easy; protecting everything around it is the job.
We clean restaurants, drive-throughs, storefronts, and parking lots overnight, around your traffic, so you never shut your doors to get clean. Not many companies our size will.
Every estimate is free, and most can be priced from your address and a couple of photos. We’re fully licensed and insured, and our technicians arrive in uniform in a branded truck.
Here’s what a house wash looks like with us, start to finish.
Tell us what needs cleaning. Your quote arrives as a link, and once you approve it, we text you dates to pick from.
About three days out, we text you our Six Steps to Success checklist. It covers moving small items, latching windows, turning off outdoor lights, and turning on your spigots. We handle the heavy things.
Our lead tech walks the house with you, or works from your checklist if you’re away. A second tech hooks up to your spigots; a whole wash uses only about $10 of water.
We soak your plants first. Then we apply a mild SH and surfactant treatment to the siding, windows, and trim, and let it break down the algae, dirt, and mildew. Soft historic brick and lime mortar on New Castle’s older homes wear away under high pressure, so the treatment does the work instead.
We rinse the siding, windows, and trim, give your plants a second rinse, and neutralize where needed. The siding comes out clean with no marks left behind.
If you’re home, we go around the house together and handle anything you spot right then. Pay on site or through the invoice link.
Homes are priced on size, number of stories, siding type, and access. Larger and commercial jobs are priced after we walk the property.
For your home:
| Service | Pricing | What Affects the Cost |
|---|---|---|
| House Washing | Most house washes land between $350 and $600 | Stories, footprint, siding type, ladder work for dormers, and whether older vinyl has gone chalky |
| Roof Cleaning | From $750 for a small section; most full roofs run about $900 to $2,000 | Roof pitch, size, tree cover and moss, roof age, and material |
| Gutter Cleaning | $1 to $4 per linear foot | Length, height, and access |
| Driveway and Concrete Cleaning | Most two-car driveways run $250 to $450; walkways about $100 to $160; patios from a $50 add-on to $400-600 for a large one | Square footage, surface type, how heavily stained it is, and drainage; oil and rust are add-ons |
| Fence Cleaning | Typically $150 to $350 when added to a house wash (priced by linear foot) | Length, fence type (vinyl privacy costs least), and whether we clean one side or both |
| Deck Cleaning | About $100 for a small, fairly clean deck up to $800-900 for a bare-wood deck that needs the full two-step cleaning | Material, square footage, railing type, and furniture moving |
| Rust Removal | Add-on from $75; most rust removal lands between $75 and $200 | Surface, stain size and age, and where the rust comes from |
| Solar Panel Cleaning | $15 to $35 per panel | Roof pitch, panel count, and access |
| Paver Cleaning & Re Sanding | $2.50 to $5.50 per square foot for cleaning and re-sanding ($1,000 minimum); most patios run $1,000 to $3,500 | Paver condition, joint width, and any small repairs |
For your business:
| Service | Pricing | What Affects the Cost |
|---|---|---|
| Storefront Cleaning | Small storefronts around $500 to $600 in daytime; larger frontages around $1,500 to $2,000; night work costs more | Frontage size, timing, and rush scheduling |
| Drive Through Cleaning | $500 to $2,000 per visit | Lane length, surface, whether the restaurant can close, and what’s included |
| Graffiti Removal | $295 to $500 per job | Size of the area; after-hours and weekend calls cost more |
| Dumpster Pad Cleaning | $450 to $500 per visit (typical) | How much grease and trash is on the pad |
| Post Construction Clean Up | Simple jobs around $750 to $1,000; larger commercial sites around $3,000 | Site size and scope; mud-heavy lots take longer |
| Exterior Cleaning for HOAs | Neighborhood group rates run about 30% off standard individual pricing | Number of homes (10-home minimum), with a little more off for 55+ communities |
| Other Commercial Services (Building Washing, Exterior Cleaning for Apartment Complexes, Parking Lot Cleaning) | Custom quote after a site walk | Buildings: size, height, lift needs, and tenants. Apartments: number of buildings, with volume pricing. Parking lots: square footage and lot type. |
Ways to save: Booking several services in one visit always costs less than separate trips. A roof cleaning and house wash done together saves about 10%, or $150 to $200. Two or three neighbors who book the same day get a smaller group discount. Staying on a set 6- or 12-month schedule earns a discount on each visit. Every roof cleaning also comes with a free gutter inspection.
We put a promise behind the work. Here’s what each one covers.
If we clean your roof, it stays clean for two years, asphalt, cedar, tile, or metal. That’s our guarantee.
Your panels come out spot-free, guaranteed. Pure deionized water, a soft boar’s-hair brush, nothing else.
We test a spot first. If our strongest rust remover can’t make a difference, we don’t charge you for the rust removal.
We back our graffiti removal with a satisfaction guarantee. Most graffiti comes off completely on nearly every job. If an earlier crew already damaged the surface, we’ll tell you upfront.
Awnings come out clean without affecting the look or color of the fabric.
We guarantee the area will be ready for use when we’re done. Dust, dirt, mud, and debris cleared.
If something isn’t right, tell us, on the day or three days later. We’ll come back out, look at it with you, and make it right where cleaning can.
New Castle is a riverfront town of brick rowhouses, brick sidewalks, and painted shutters, and it looks its best when that brick is clean. As a hometown company, we care for old brick and painted trim the way a good neighbor would. The town’s historic landmarks and its stretch of riverfront set the look of the place:
From Delaware Street, The Strand, and Market Street to the homes facing the river near Battery Park, these are the streets we know.
Call (302) 415-3285, send us a text, or fill out the form, and your free estimate comes back fast, often the same day. Our phones are answered from 8:00 AM to 4:00 PM, Monday through Friday. If mildew is showing on your brick again, book a spring wash before the summer humidity rolls in off the river.
