Essex County · Licensed · Insured · Family-Owned
Masonry Waterproofing & Sealing in Old Center, North Andover, MA
Looking for masonry waterproofing & sealing in Old Center in North Andover, MA? Ultimate Boston Masonry is a licensed, insured, family-owned masonry contractor serving North Andover and the rest of Essex County from our Boston base. North Andover projects frequently combine patio, fire pit, and wall work into one outdoor living build.
Housing in Old Center in North Andover includes a mix of Victorian, colonial, and mid-century homes, and New England's 60–100 freeze-thaw cycles a winter is what wears this masonry down. That is why our masonry waterproofing & sealing work starts with understanding what your building is made of — brick type, stone, mortar hardness, and drainage — before we price anything. Most masonry leaks are a joint, flashing, or crown problem first. We find and fix the entry point, then apply breathable silane/siloxane repellents that shed wind-driven rain without trapping moisture inside the wall.
Response time in North Andover: Estimates within 72 hours · Typical range $500 – $4,000

Free masonry waterproofing & sealing quote in North Andover
Tell us about the project and we'll come out to price it — no charge, no pressure.
Scope
What our masonry waterproofing & sealing in North Andover includes
- Leak investigation with moisture meter readings
- Joint, crack, and flashing repairs at the source
- Breathable silane/siloxane water repellent
- Chimney crown sealing
- Efflorescence cleaning
- Written maintenance schedule
Process
How masonry waterproofing & sealing works in Old Center, North Andover
1. Free on-site assessment
We trace the leak path from inside and out, including gutters and flashing.
2. Written fixed-price scope
You receive a fix-first plan so you are not paying to seal a broken wall.
3. Skilled masonry work
Repairs are completed, then a repellent is applied on a dry, cured surface.
4. Cleanup and final walkthrough
We water-test where practical and leave you a re-application schedule.
Local FAQ
Masonry Waterproofing & Sealing in Old Center, North Andover: questions answered
How much does masonry waterproofing & sealing cost in Old Center, North Andover, MA?
Most masonry waterproofing & sealing projects in North Andover fall between $500 – $4,000. Chimney sealing and small wall areas are at the low end; full-elevation repair plus sealing is higher. We give a free written, fixed-price estimate after an on-site look.
How quickly can you start masonry waterproofing & sealing in Old Center, North Andover?
Estimates within 72 hours in North Andover. Most projects are scheduled within one to three weeks, and safety hazards are prioritized.
Do I need a permit for masonry waterproofing & sealing in North Andover?
Minor repairs usually don't need a permit, but rebuilds, new structures, and tall retaining walls often do under the Massachusetts building code. We check with the North Andover building department and pull permits when required.
Which areas near Old Center, North Andover do you also serve?
Besides Old Center, Machine Shop Village, Great Pond, we regularly work in nearby Lowell, Lawrence, Haverhill, and every community within 45 miles of Boston.
Are you licensed and insured to work in North Andover?
Yes. Ultimate Boston Masonry is licensed, fully insured, and family-owned with 5 years of experience on Greater Boston brick and stone.
Should I waterproof my brick house?
Only after repairs. A breathable repellent helps exposed walls and chimneys shed rain, but it will not fix cracked joints or bad flashing.
What is the white powder on my brick?
That is efflorescence — salts carried out by moving water. It means water is getting into the wall and should be traced to its source.
Masonry Waterproofing & Sealing near Old Center, North Andover
Also available in these North Andover neighborhoods and nearby towns.
- Masonry Waterproofing & Sealing in Machine Shop Village
- Masonry Waterproofing & Sealing in Great Pond
- Masonry Waterproofing & Sealing in Lowell
- Masonry Waterproofing & Sealing in Lawrence
- Masonry Waterproofing & Sealing in Haverhill
- Masonry Waterproofing & Sealing in Andover
- Masonry Waterproofing & Sealing in Methuen
- Masonry Waterproofing & Sealing in Billerica
- Masonry Waterproofing & Sealing in Chelmsford
- Masonry Waterproofing & Sealing in Tewksbury
Other masonry services in Old Center, North Andover
- Chimney Repair & Rebuilds in Old Center
- Brick & Stone Repointing in Old Center
- Retaining Walls in Old Center
- Patios & Walkways in Old Center
- Stone Steps & Stoops in Old Center
- Foundation & Basement Masonry in Old Center
- Stone Veneer & Facades in Old Center
- Outdoor Fireplaces & Fire Pits in Old Center
- Brick Repair & Replacement in Old Center
- Historic Masonry Restoration in Old Center
- Stucco & Foundation Parging in Old Center
- Brick Walls, Pillars & Columns in Old Center
- Indoor Fireplace & Firebox Repair in Old Center
- Paver & Cobblestone Driveways in Old Center
- Emergency Masonry Repair in Old Center
Learn more about our masonry waterproofing & sealing service or see all masonry services in North Andover.
Homeowner guides
Read before booking masonry waterproofing & sealing
8 min read
How Much Does Chimney Repair Cost in Massachusetts?
Typical Massachusetts prices for chimney crowns, flashing, repointing and rebuilds, plus what makes a Boston chimney quote go up or down.
Read the guide →7 min read
Why Is My Chimney Leaking When It Rains?
The five most common causes of chimney leaks in New England homes, how to tell which one you have, and how each is fixed.
Read the guide →7 min read
Is Efflorescence on Brick a Problem? What Causes White Stains
What causes white powdery efflorescence on brick, chimneys and basement walls, when it signals water problems, and how to remove it safely.
Read the guide →