
Addition in Holliston, MA
New square footage that looks like it was always there
(508) 598-8704Free, no-obligation estimate on Holliston properties · Fully insured
Free Addition Estimate
Tell us about your Holliston property and we will come look at it.
Addition for Holliston Homes
A home addition in Holliston lives or dies on the connection between old and new. With established suburban parcels where large oaks and pines stand within reach of the roof, on ground that grades gently away, and local housing that is largely postwar colonial and split-level stock, interleaved with subdivision construction from the last thirty years, tying a new foundation and roof into an existing structure takes more planning here than the finished result ever shows.
An addition is the most demanding thing a residential builder does: new foundation, new framing tied into old, roof lines that have to resolve honestly, and mechanicals extended from systems sized for a smaller house. We do all of it.
What Holliston Properties Actually Need
- The housing stock here
- Older farmhouses here sit on fieldstone foundations, and sill plates bear directly on stone that wicks moisture, so rot is found at the mudsill more often than anywhere else.
- Working on the site
- The rural street pattern means long frontages with drainage swales, and a construction entrance often has to be built before delivery.
- Permits and inspections
- Wetland setbacks are enforced strictly, and rear additions frequently need Conservation Commission sign-off before design is final.
What Goes Wrong in MetroWest
Leaks where old meets new
The junction between existing and added structure is the single most common failure point, and the hardest one to fix afterward.
The bolted-on look
Mismatched rooflines, siding that doesn’t align, and window proportions that give it away instantly from the curb.
Zoning discovered too late
Setbacks, lot coverage, and septic capacity kill more additions than budget does - and usually after money has been spent on design.
Addition Services We Provide in Holliston
- Second-story additions
- Full framing, roofing, siding, and finish
- Garage and mudroom additions
- Primary suite and in-law additions
- Single-room and multi-room additions
- Foundation, excavation, and slab work
How Your Holliston Project Runs
- 01
Free Estimate
Call us and we come out to your property, walk the job with you, and put real numbers on paper - no cost, no obligation.
- 02
Scope & Timeline
We agree on the exact scope, materials, and a clear start-to-finish timeline before a single tool comes off the truck.
- 03
We Build It
Our own carpenters do the work - framing, roofing, windows, decks. One crew, one point of contact, no subcontractor roulette.
- 04
Final Walkthrough
We walk the finished job with you and don't call it done until you say it is. Site left clean.
New space in Holliston that matches the house you already have. Call (508) 598-8704 for a free, no-obligation estimate.
Questions
Addition in Holliston - FAQ
Yes - Holliston is part of our regular service area. We're based at 190 Bolton St, Unit 11, Marlborough, MA 01752, and addition is one of the 8 services we handle in-house.

- (508) 598-8704
- 190 Bolton St, Unit 11, Marlborough, MA 01752
- @ofirconstruction
- Serving all of Massachusetts
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