Deck Building & Repair in Andover, MA

Senco Home Services builds and repairs decks for homeowners across Andover, MA and the surrounding towns — from a brand-new deck built from the footings up, to replacing decking that's had it, to fixing rotted boards and loose railings before they turn into a safety problem. Andover's housing stock runs the gamut from centuries-old antique homes to a planned 1920s mill village, and a deck project on one looks different from a deck project on the other. As a licensed deck builder in Andover, MA, we bring the same waterproofing and flashing discipline we use on every roof to the one part of a deck most contractors get wrong: where it meets the house. For the full rundown of our deck materials and process, see our main decks services page.

New Deck Construction for Andover's Antique Homes & Historic Villages

Andover carries a genuinely wide range of home ages — a documented cluster of pre-1800 homes with confirmed construction windows from the 1670s through the 1770s, alongside the planned early-1920s community of Shawsheen Village and the 19th-century mill-worker housing of Ballardvale. None of that is a reason to avoid a modern deck, but it does change how we approach the design: a deck off an antique colonial or a Shawsheen Village home reads best when it's detailed to sit quietly against the house rather than looking bolted on, and on some Andover properties there's a local approval step to check before we ever cut lumber (more on that below). We build to Massachusetts code from the footings up on every Andover deck — correct post spacing, joist sizing, and guardrail height — whatever era the house behind it. Get a free deck estimate and we'll walk the property with you before we price anything.

Composite & Pressure-Treated Decking for Andover Homes

We build with both pressure-treated lumber and low-maintenance composite decking, and we'll walk you through the real trade-offs. Pressure-treated costs less up front but needs periodic staining and sealing to hold up over the years. Composite costs more but skips most of that yearly maintenance and resists rot, fading, and splintering. Andover's homes run meaningfully higher in value than the rest of our service area — a median home value around $855,600 — and on a lot of Andover projects that shows up as a preference for composite and other premium material choices over builder-grade pressure-treated, though either is a sound structure when we build it.

Deck Repair — Boards, Railings & Rot

Not every deck problem needs a full rebuild. Cracked or split boards, a wobbly railing, soft spots near the stairs, or rot where a post meets the ground can usually be repaired directly. We check the framing underneath any damaged decking on an Andover deck, since surface rot is often the first visible sign of a slower leak below.

Permits & the Ballardvale Historic District

Massachusetts building code requires a permit and inspections for new deck construction — footing depth, ledger attachment, and guardrail height all have to meet code. Andover's Building Division (36 Bartlet Street, 978-623-8620) handles that permit; Andover does waive a permit for in-kind roofing replacement, but that exemption doesn't extend to a new deck, since it's new construction rather than a like-for-like swap. If your home sits inside the Ballardvale Historic District, there's an extra step: any exterior work visible from the street — and the district's own rules name construction and additions specifically — needs a Certificate of Appropriateness from the Ballardvale Historic District Commission before work starts, and that can include a visible deck. We check whether an address falls inside the district as part of every Andover deck estimate and build that approval time into the schedule up front.

Ledger & Flashing — Where Most Decks Actually Fail

The single most common point of failure on a deck isn't the decking boards — it's the ledger board where the deck attaches to your house. Flash it wrong and water gets behind the siding and into the wall framing, sometimes for years before anyone notices. Senco is a roofing and waterproofing company first, so we flash an Andover deck ledger the same way we flash a roof valley or chimney: properly lapped, sealed, and built to keep water moving away from the house, not into it — a detail that matters even more on the centuries-old framing behind some of Andover's antique homes.

Free Deck Estimates in Andover, MA

Before we quote a deck project in Andover, we walk the property and look at what's actually there — the condition of any existing structure, the grade, and whether the address falls inside the Ballardvale Historic District. That estimate is free and comes with no obligation, whether you need brand-new construction, a full replacement, or a smaller repair. Get a free deck estimate and we'll tell you the truth.

Local Deck Building, Not a Call Center

Andover's Deck Builder, With Real Historic-District Know-How

We're not a national franchise dispatching a crew from an hour away — Senco is based at 1150 Main St in Tewksbury, about 6 miles and a 14-minute drive from Andover, and we build and repair decks on homes across the town, from antique colonials near the old village center to the planned neighborhoods of Shawsheen Village and Ballardvale.

Andover was settled in 1642 and incorporated in 1646, and its housing stock shows it: the town has a documented cluster of surviving 17th- and 18th-century homes, with the oldest, the Chandler-Bigsby-Abbot House, dated to 1673, and several others with confirmed construction windows from the 1690s through the 1770s. A deck on a home that old isn't a period feature — it's a modern addition — so we detail it to sit quietly against the house rather than fighting the architecture: proportions, railing style, and stair placement that read as considered, not bolted on.

Two of Andover's neighborhoods carry their own distinct, dateable housing cohorts. Shawsheen Village was a fully planned corporate community built by the American Woolen Company between 1919 and 1924 — more than 200 purpose-built houses laid out before the mills closed in 1953 and the homes passed into private hands. Ballardvale, a few miles away along the Shawsheen River, grew up as 19th-century mill-worker housing and has its own commuter rail stop. Both give Andover a genuinely different housing story than Tewksbury or Billerica's largely 20th-century suburban stock — and a deck project on either one gets the same careful, era-appropriate approach.

If your home sits inside the Ballardvale Historic District, there's a step most deck contractors won't think to mention: any exterior work visible from the street — the district's own rules name construction and additions specifically — needs a Certificate of Appropriateness from the Ballardvale Historic District Commission before work starts, and a deck visible from the street can fall under that. Applications go through the town's online portal, and the Commission meets the first Wednesday of each month. We factor that timeline into a Ballardvale deck quote up front instead of surprising you with it mid-project. Outside the historic district, a deck still needs a standard building permit and inspections through Andover's Building Division (36 Bartlet Street, 978-623-8620) — Andover's in-kind roofing exemption doesn't apply here, since a deck is new construction, not a swap.

Andover's homes also run meaningfully higher in value than the rest of our service area — a median home value around $855,600, well above Tewksbury's or Billerica's — and we quote Andover decks accordingly, leaning into composite and other premium material choices rather than builder-grade pressure-treated. On the structural side, Andover's building code table lists a 50 psf ground snow load and a 117 mph ultimate design wind speed — the higher wind figure is a real input on railings, guardrails, and anything like a pergola or roof structure attached to a deck, not just a number on a chart.

Tewksbury is home base, but we're regularly on Andover decks too — and we cover the towns around both:

• Tewksbury — HQ
• Billerica
• Wilmington
• Andover
• North Andover
• Chelmsford
• Lowell
• Dracut
• Reading
• North Reading
• Burlington
• Methuen