Sack Rosendin Inc.
Oakland, CA Courts in California
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| What we verified | How we verified | Status | Last checked |
|---|---|---|---|
| Address | Automatically | Confirmed | 2026-07-28 |
| Phone number | Automatically | Confirmed | 2026-07-28 |
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About Sack Rosendin Inc.
Sack Rosendin Inc. is a law firm based in Oakland, California, serving businesses and individuals across the state from the San Francisco Bay Area.
The firm describes itself as a boutique practice and handles civil litigation and business transaction work. Its main practice areas include business and commercial litigation, business formation, financing and transactions, commercial and residential real estate, construction and contractor matters, and personal injury defense.
The firm also handles insurance defense work. The firm's attorneys have tried cases in state and federal courts and have handled commercial disputes and corporate transactions.
Dana Sack, a partner, focuses on transactional and real estate work and has managed and supervised litigation. Christopher J. Dyas serves as a senior trial attorney.
The firm states it has provided legal counsel since 1997. Its office is at 1437 Leimert Boulevard, Suite B, in Oakland, and it can be reached at 510-270-5559 for a consultation.
Editor's Review
VerifiedLawFirms editorialFocus and practice areas
Sack Rosendin Inc. runs from Oakland and takes on work for businesses and individuals throughout California, with the San Francisco Bay Area as its base. The firm calls itself a boutique practice. In plain terms that points to a small roster covering a defined set of matters. The work falls into two halves: civil litigation and business transactions.
On the transactional side the firm handles business formation, financing and general business dealings, along with commercial and residential real estate. On the litigation side it takes commercial and business disputes, contractor and developer cases, construction defect claims, and personal injury defense. The about page also lists insurance defense, land use and zoning, 1031 property exchanges, and buy and sell agreements. That range keeps the firm close to two themes: money moving between businesses, and property changing hands or changing use.
In my opinion the mix reads as a property and business shop first, with a courtroom arm attached. The same lawyers who paper a real estate deal can litigate one when it sours. For a client, that continuity has practical value, since the person who wrote the contract already knows what it was meant to do.
How the team is built
The site names two working attorneys and keeps the memory of a third. Dana Sack is a partner. Christopher J. Dyas is a senior trial attorney. Joanne Rosendin, whose name the firm still carries, appears on the home page as its late managing partner.
Dana Sack's record on the site is the fullest. He holds a J.D. from the University of California College of the Law, San Francisco, earned in 1980 when the school was still called UC Hastings. Before that he took an A.B. from Harvard College in 1976. California admitted him to the bar in 1980, so his time in practice runs more than four decades. The firm counts roughly thirty-four of those years in transactional work, together with supervising and managing litigation.
Christopher J. Dyas is presented as the trial hand. The firm credits him with over 40 years of courtroom experience and cases tried in both state and federal courts. His law school and admission year are absent from the site, so a reader learns his function and his track in the courtroom. As a reviewer I read the pairing as deliberate: one lawyer who builds the deal, one who argues it when the deal reaches a judge.
Transactional and real estate work
Dana Sack's described work gives the transactional side its shape. He structures, negotiates and drafts contracts. Real estate acquisitions and leasing fall to him as well. His work also covers construction and construction financing, and the setup of new businesses. These are the steps a company takes when it forms, funds a project, or buys and rents property, and each step turns on the wording of an agreement.
Two of the firm's listed services are drafting matters of this kind. A 1031 exchange lets an owner sell an investment property and defer capital gains tax by rolling the proceeds into a like-kind replacement, within strict federal deadlines. The rules turn on timing and documents, so the lawyer's job is to keep the clock and the paperwork in order. A buy and sell agreement sets out how the owners of a business can transfer their stakes, often triggered by an owner's death, exit or dispute. Small wording choices in either one carry real weight years later.
Commercial and residential real estate covers the deals underneath. Acquisitions, leases and financing each generate their own contracts and their own points of friction. Having the drafting and any later dispute under one roof is arguably the clearest benefit the firm's structure offers a property owner or developer.
Litigation, construction and land use
The litigation side covers both private disputes and matters that touch public bodies. Dana Sack's litigation experience includes jury trials and arbitrations, and Christopher Dyas brings the state and federal trial work. Between them the firm can take a case to a jury or through a private arbitration, which resolves a dispute before a chosen arbitrator instead of open court and often stays confidential.
Construction defect claims are a stated area. These cases usually involve owners, builders, subcontractors and insurers arguing over who is responsible for a fault in a building, and they tend to run through expert inspection and phased settlement talks before any trial. Contractor and developer litigation covers the disputes that surface when a project stalls, overruns, or misses its contract terms. Both sit close to the firm's construction financing work, so the same knowledge of how a project is funded applies when it goes wrong.
Land use and zoning work points in the other direction, toward planning commissions and local government. Approvals, variances and permits go before public boards, and the process runs on hearings and written records more than courtroom argument. Insurance defense, another listed area, puts the firm on the defending side of a claim, usually retained by an insurer to represent its policyholder.
What the record shows
The firm states that it has provided legal counsel since 1997. That gives it a run of nearly three decades under the current name. The site keeps the story of those years brief, so the founding date is the main historical marker a reader can hold onto.
The retained Rosendin name carries its own small history. The home page marks Joanne Rosendin as the late managing partner, which keeps a founding figure on the masthead after her death. Firms often hold a name forward this way to preserve continuity for clients and referral sources who knew the practice under it.
What a prospective client can verify from the site is modest and consistent. Two experienced attorneys, a clear split between deal work and disputes, and a property and business focus grounded in the Bay Area. The firm publishes real credentials for its partner and a courtroom record for its trial attorney. In my opinion that is a fair and checkable picture for anyone weighing a business or real estate matter in Northern California, even with case outcomes and client names kept off the page.
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Christopher J. Dyas Senior Trial Attorney
Christopher J. Dyas is a senior trial attorney with the firm. He has over 40 years of courtroom experience and has tried cases in state and federal courts.
Dana Sack Partner
Dana Sack is a partner with the firm with thirty-four years of experience as a transactional attorney, together with supervising and managing litigation. His transactional work covers structuring, negotiating and drafting contracts, real estate acquisitions and leasing, construction and construction financing, and business formation. His litigation experience includes jury trials, arbitrations and mediations in commercial, construction defect and real property matters. He earned a J.D. from the University of California College of the Law, San Francisco (formerly UC Hastings) in 1980 and an A.B. from Harvard College in 1976.
Contact Sack Rosendin Inc.
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Map of 1437 Leimert Boulevard, Oakland, CA (see the address above for a text alternative).