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VerifiedLawFirms editorial: Focus and practice areas — Construction work sits at the center of what Deneweth, Vittiglio & Sassak, P.C. does.

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Address Automatically Confirmed 2026-07-28
Phone number Automatically Confirmed 2026-07-28

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About Deneweth, Vittiglio & Sassak

Deneweth, Vittiglio & Sassak, P.C. is a Troy, Michigan law firm founded in 1979.

It represents individuals and companies in business, construction, manufacturing and real estate transactions and disputes throughout Michigan.

Its construction practice serves private and public entities, including developers, project owners, architects, engineers, general contractors, subcontractors, material suppliers, sureties, insurers and bond providers. The firm handles construction and surety law, commercial litigation, real estate transactions, employment law and business counseling.

Its listed construction work includes mediation and arbitration, concealed site conditions, claim preparation, construction liens, defective plans and specifications, delay claims, public projects, insurance coverage disputes, labor issues and payment matters. It also advises small and mid-sized businesses on formation, organization and daily operations, and works on contract preparation and negotiation.

Editor's Review

VerifiedLawFirms editorial

Focus and practice areas

Construction work sits at the center of what Deneweth, Vittiglio & Sassak, P.C. does. The Troy, Michigan firm handles construction and surety law, commercial litigation, real estate transactions, employment law and business counseling. It has been in operation since 1979.

The construction list the firm publishes is unusually specific. It covers construction liens, delay claims, concealed site conditions, defective plans and specifications, claim preparation, payment matters, labor issues and insurance coverage disputes. Mediation and arbitration appear alongside them.

That specificity matters to anyone comparing options. In my opinion, a firm that names concealed site conditions and defective specifications separately has met both problems often enough to treat them as distinct kinds of work.

Who the firm represents

The client list on the construction side runs down both sides of a project. The firm represents developers, project owners, architects, engineers, general contractors, subcontractors and material suppliers. It also acts for sureties, insurers and bond providers.

Public and private entities both appear. Public projects get their own line in the firm's construction listings, which is a meaningful distinction: public work in Michigan carries bond requirements and claim procedures that private jobs do not.

Business and real estate clients

Away from construction sites, the firm advises small and mid-sized businesses on formation, organization and daily operations. Contract preparation and negotiation is part of that. Real estate transactions and disputes round out the civil side, and the firm covers manufacturing clients as well.

How the team is built

Eleven attorneys are named on the firm's site. Seven carry partner titles: Ronald A. Deneweth, Chris Parfitt, Mark D. Sassak, Anthony Vittiglio II, Matthew C. Herstein, Jacob A. Kahn and Scott D. Stoner. Three associates are listed: Mary A. Allor, Adel N. Nucho and Guido Costantino. Edward A. Ryder is of counsel.

Three of the surnames in the firm's name belong to attorneys currently listed as partners. Deneweth, Vittiglio and Sassak all appear on the attorneys page.

The partner-heavy ratio is worth noticing. Seven partners to three associates suggests a structure where senior lawyers carry files directly. The firm does not publish individual attorney biographies, law schools or admission years, so a prospective client will want to ask about a particular lawyer's background during a first conversation.

Geographic reach

The firm works throughout Michigan from its Troy office. Troy sits in Oakland County, north of Detroit, in a corridor thick with commercial development and manufacturing.

Statewide construction practice has a practical logic behind it. Contractors and suppliers rarely stay in one county. A subcontractor based in metro Detroit may be chasing payment on a job in Grand Rapids or Traverse City, and lien deadlines run the same way in every Michigan county.

What construction disputes usually involve

Some general context helps explain the categories the firm names. None of what follows describes this firm's specific outcomes; it describes how these matters typically move.

Liens and payment

Michigan construction lien claims run on strict statutory deadlines. A claimant generally files a notice of furnishing, then records a claim of lien within a fixed window after last furnishing labor or materials, then files suit within another window. Miss one and the lien right can lapse. This is why lien work tends to arrive at a law office on short notice.

Delay and site conditions

Delay claims turn on schedules and documentation. Parties argue over which delays were excusable, which were compensable, and who absorbed the cost. Concealed site conditions claims ask a related question: what did the soil, the structure or the existing utilities turn out to be, and who bore that risk under the contract.

Both categories depend on paper. Daily reports, change order logs, RFIs, schedule updates and correspondence carry the argument. A firm that lists claim preparation as its own service is signalling that it works on that record before a dispute hardens.

Surety and bond matters

Payment and performance bonds add a third party to the fight. A surety that pays a claim may pursue the principal for indemnity, and bond claims on public projects follow their own notice rules. Insurers enter through coverage questions: whether faulty workmanship counts as an occurrence, what the policy excludes, who owes a defense.

What the site record shows

The firm's public material is descriptive and dry. It lists services, names attorneys and states its founding year and location. It does not publish case results, client testimonials or ranking claims, which means a reader is evaluating the firm on the shape of its practice and the size of its bench.

As a reviewer, I read the absence of promotional material as consistent with a business-side practice. Firms whose clients are contractors, developers, sureties and manufacturers tend to get work through repeat relationships and referrals from other professionals in the construction chain.

The firm publishes no social media profiles and no attorney email addresses. Contact runs through the office directly.

Who this listing will suit

A general contractor facing a payment dispute, a project owner dealing with defective specifications, or a supplier whose lien deadline is approaching will find the relevant categories named on this firm's practice pages. So will a business owner setting up a new entity or negotiating a supply contract.

The employment law offering pairs sensibly with the rest. Construction and manufacturing employers deal with wage questions, classification issues and workforce disputes, and a firm already handling their contracts and projects has context on the operation.

Deneweth, Vittiglio & Sassak has been practising in Troy since 1979 and lists eleven attorneys across partner, associate and of counsel roles.

Office details and contact route

The directory gives a precise office address at 1175 W. Long Lake Road in Troy. That street-level detail provides a fixed destination for correspondence or an in-person appointment. The published telephone number is 248-290-0400, giving prospective clients a direct office contact rather than an individual attorney line.

The firm's website is michiganconstructionlaw.net. The domain uses the practice description rather than the firm's legal name, so readers moving between the directory and the website should expect the Deneweth, Vittiglio & Sassak name to appear behind a construction-law web address. The formal entity name includes "P.C.," while the shorter firm name may appear without that corporate designation.

Those identifiers are useful when a company is checking engagement papers, correspondence or billing records. The legal name, street address and central telephone number provide a consistent set of details for confirming that documents relate to the same Troy office.

How the directory classifies the practice

The directory record places the firm in real estate, business law, contracts, business formation and business litigation. This classification treats business law as the broad category while giving formation, contract work and litigation their own searchable entries. Real estate has a separate placement rather than appearing only within the general business label.

The directory categories and the website domain organize the practice from different angles. The directory metadata emphasizes the business and property services that someone may search for by legal need. The domain identifies the firm through construction law. Read together, they show why the listing can appear in searches that begin with a company dispute or entity question even when the firm's web identity points first to construction matters.

That distinction is practical for referral research. A business owner may encounter the firm through a contracts or formation category, while a project participant may recognize it through the website address. Both routes lead to Deneweth, Vittiglio & Sassak, P.C. at the same published office and telephone number.

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Adel N. Nucho Associate

Adel N. Nucho is an attorney with Deneweth, Vittiglio & Sassak, PC in Troy, Michigan. Their practice includes civil litigation, construction litigation, alternative dispute resolution, appellate matters, and business litigation.

Anthony Vittiglio II Partner
Chris Parfitt Partner
Edward A. Ryder Of Counsel
Guido Costantino Associate
Jacob A. Kahn Partner
Mark D. Sassak Partner

Mark Sassak is an attorney with Deneweth, Vittiglio & Sassak, PC in Troy, Michigan. His practice focuses on construction litigation, surety, and business litigation.

Mary A. Allor Associate
Matthew C. Herstein Partner

Matthew C. Herstein is an attorney at Deneweth, Vittiglio & Sassak, PC in Troy, Michigan. His practice focuses on construction litigation, surety, and business and corporate matters.

Ronald A. Deneweth Partner

Ronald A. Deneweth is a lawyer based in Troy, Michigan, and practices at Deneweth, Vittiglio & Sassak PC. He earned his J.D. from Michigan State University College of Law in 1977 and graduated from John Carroll University in 1974. His practice focuses on construction law and construction litigation.

Scott D. Stoner Partner

Scott D. Stoner is an attorney at Deneweth, Vittiglio & Sassak, PC in Troy, Michigan. His practice focuses on construction litigation, business litigation, and professional liability.

Contact Deneweth, Vittiglio & Sassak

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Phone

Address

1175 W. Long Lake Road
Troy, MI 48098

Map of 1175 W. Long Lake Road, Troy, MI (see the address above for a text alternative).