Arco Homes

Arco Homes operates as Arco LLC out of Newton, built around a single idea: the same team designs the house and then builds it, with no separate architect-to-contractor handoff. The company says on its own site that it's been at this for almost two decades, co-founded by Luis DiazGranados, an architect by training, and Carolina Trujillo de DiazGranados, who runs development and client relationships. Its stated service area stretches from Cambridge and Watertown out to Wellesley, Concord, and even Nantucket, and the work itself runs toward ground-up custom homes and renovations substantial enough to include historic preservation. On Google, it holds a 4.9 out of 5 across 45 ratings. Its reviews are spread across five different platforms, mostly dated 2022 and 2023, and the overall tone runs strongly positive — though not a clean sweep; the composite lean lands short of a perfect score, which usually means at least one account breaks from the pattern. There's nothing publicly dated more recent than 2023, so anyone checking today is working from a two-to-three-year-old snapshot rather than a live read on its current jobs. A couple of things are worth a direct question before booking. Its Houzz profile, registered under co-founder Carolina Trujillo, carries a Houzz Badge but has zero posted reviews, so that credential doesn't yet have any customer account behind it. And Procore's directory lists Arco as an 'Owner Real Estate Developer' focused on architectural design and engineering — a different framing than the design-build contractor description on its own site, most likely just inconsistent categorization across directories, but worth clarifying. This reads like the right call for a ground-up build or a large, architect-involved renovation rather than a small repair job — it isn't set up as a same-day-call outfit. Given how dated the visible review history is, ask for references from recently completed projects before signing anything.