Comprehensive Litigation Support for Default Attorneys, Law Firms, Plaintiff's, Lenders and Creditors Nationwide

For more than twenty-nine years, we have provided dependable litigation support services to attorneys, law firms, creditors, mortgage servicers, financial institutions, collection professionals, and businesses pursuing default-related legal actions throughout the United States. Our experienced investigators assist with locating difficult-to-find individuals, serving legal process, conducting comprehensive Diligent Search and Inquiry investigations, preparing court-compliant affidavits, and providing expert testimony when required. Backed by thousands of successfully completed assignments, we are committed to delivering accurate, timely, and legally compliant services that help move cases efficiently toward resolution.

Whether your matter involves a missing defendant, evasive witness, unknown heir, judgment debtor, borrower, former tenant, or another individual whose whereabouts are unknown, our investigative and litigation support professionals have the experience, resources, and nationwide network necessary to assist. Every assignment is handled with professionalism, attention to detail, and an understanding of the due process requirements expected by courts throughout the United States.

Our Primary Litigation Support Services Include

• Skip Tracing Services – Locating defendants, witnesses, heirs, debtors, borrowers, tenants, beneficiaries, and other difficult-to-find individuals through professional investigative techniques and advanced research resources.


• Nationwide Process Serving – Coordinating prompt, reliable, and legally compliant service of process through experienced, properly authorized Process Servers throughout the United States.


• Diligent Search and Inquiry Investigations – Conducting comprehensive investigations and preparing detailed, court-compliant Affidavits of Diligent Search and Inquiry when personal service has proven unsuccessful or constructive service is required.


• Background and Lifestyle Investigations – Conducting comprehensive investigations to verify an individual's identity, residential history, employment, business affiliations, assets, associates, social media activity, public and private records, and lifestyle patterns. These investigations help to evaluate credibility, locating hidden information, identifying potential sources of recovery, and developing valuable intelligence to support litigation, collections, and other legal proceedings.


• Expert Court Testimony – Providing professional testimony regarding investigative methods, diligent search efforts, skip tracing procedures, service attempts, and the factual basis supporting Affidavits of Diligent Search and Inquiry whenever required by the court.

We are a diligent default support service company. We provide nationwide litigation support services committed to assisting attorneys, law firms, lenders, creditors, servicers, and legal professionals engaged in foreclosure, eviction, debt collection, and other default related matters. Our mission is to provide reliable, efficient, and professionally managed support services that enable our clients to handle their caseloads with confidence and greater efficiency.

With an understanding of the unique demands associated with default litigation, Our comprehensive support designed to help legal professionals meet critical deadlines, maintain compliance, and move cases forward without unnecessary delays. Our services are performed with careful attention to detail, responsive communication, and an unwavering commitment to accuracy and professionalism.

We recognize that successful default litigation requires more than simply completing assignments. It requires experienced professionals who appreciate the importance of proper execution, timely updates, detailed reporting, and exceptional case management. Accordingly, every matter entrusted to Diligence Default Services receives individualized attention and is monitored from inception through completion to ensure that our clients receive the highest level of service possible.

At our office, we strive to become an extension of your office by reducing administrative burdens, improving workflow efficiency, and providing dependable support every step of the way. Our commitment to diligence, communication, and quality service allows attorneys and law firms to devote more time to their clients and legal responsibilities while we handle the important details that contribute to successful case management.

Default Services Performed by Our Process Servers and Skip Tracers

Default services consist of the specialized litigation support and field services performed on behalf of attorneys, law firms, lenders, creditors, mortgage servicers, financial institutions, property managers, and collection agencies involved in foreclosure, eviction, debt recovery, and other creditor rights matters. These services are designed to help clients efficiently manage high volume portfolios, satisfy statutory requirements, and move cases through the litigation process in a timely and cost effective manner.

Nationwide Process Servers and Skip Tracers perform a variety of important functions within the default industry. Service of process is often the foundation of these services and includes the delivery of summonses, complaints, subpoenas, notices, writs, and other court documents. In addition, Process Servers conduct property postings, occupancy verifications, document retrievals, courthouse filings, mobile notary services, and other assignments requiring prompt and accurate field execution.

Skip tracing services are equally important within the default litigation process. Experienced Skip Tracers utilize sophisticated databases, public records, proprietary resources, and investigative techniques to locate defendants, debtors, heirs, tenants, witnesses, and other individuals whose whereabouts are unknown. These efforts help facilitate successful service of process, support collection activities, and assist attorneys and law firms in complying with due process requirements.

Default services also include status reporting, affidavit preparation, address verification, diligent searches, posting notices, property inspections, and ongoing case management support. Because foreclosure, eviction, and debt collection matters are governed by strict deadlines and procedural requirements, these services are carefully coordinated to ensure that assignments are completed accurately, efficiently, and in accordance with the directives provided by the client.

By combining experienced Process Servers, skilled Skip Tracers, and responsive case management, default services provide attorneys, law firms, lenders, and creditors with a dependable extension of their office. The objective is to reduce administrative burdens, improve efficiency, enhance communication, and help clients successfully navigate the demands of default litigation while ensuring that every assignment receives the attention and professionalism it deserves.

State-by-State Laws Governing Constructive Service, Alternate Service, and Service by Publication

Every state provides a legal mechanism for serving a defendant or other necessary party when traditional personal service has been unsuccessful despite diligent efforts. Depending upon the jurisdiction, these procedures may be referred to as Constructive Service, Alternate Service, Substituted Service, Court-Ordered Service, or Service by Publication. The governing authority is typically found within the state's Rules of Civil Procedure, statutory law, or a combination of both. Before authorizing constructive or alternate service, most courts require a showing that the plaintiff has exercised due diligence in attempting to locate and personally serve the individual. The following reference identifies the primary rule, statute, or law governing these procedures in each state.

Primary Rules, Statutes, and Laws Authorizing Constructive or Alternate Service in Each State

The following list identifies the principal legal authority used by courts throughout the United States when personal service cannot be completed. Although many states have additional statutes governing specialized proceedings such as probate, family law, quiet title actions, or unknown heirs, the authorities listed below represent the primary provisions most commonly relied upon for alternate or constructive service of process.

State-by-State Reference Guide

Alabama — Alabama Rules of Civil Procedure Rule 4.3 (Service by Publication)

Alaska — Alaska Rules of Civil Procedure Rule 4(e)

Arizona — Arizona Rules of Civil Procedure Rules 4.1(l), 4.2(f), and 4.2(g)

Arkansas — Arkansas Rules of Civil Procedure Rule 4(g)

California — California Code of Civil Procedure §§ 415.20, 415.30, and 415.50

Colorado — Colorado Rules of Civil Procedure Rule 4(g)

Connecticut — Connecticut General Statutes §52-68 and Connecticut Practice Book

Delaware — Delaware Superior Court Civil Rule 4(f) and 10 Del. C. §§3104 and 3112

Florida — Florida Statutes Chapter 49 (Constructive Service) and Florida Rule of Civil Procedure 1.070

Georgia — O.C.G.A. §9-11-4

Hawaii — Hawaii Rules of Civil Procedure Rule 4(e)

Idaho — Idaho Rules of Civil Procedure Rule 4(e)

Illinois — 735 ILCS 5/2-203.1 and 2-206

Indiana — Indiana Trial Rules 4.13 and 4.14

Iowa — Iowa Rules of Civil Procedure Rules 1.310 and 1.313

Kansas — Kansas Statutes §§60-303 and 60-307

Kentucky — Kentucky Rules of Civil Procedure Rules 4.05 and 4.06

Louisiana — Louisiana Code of Civil Procedure Articles 5091–5098

Maine — Maine Rules of Civil Procedure Rule 4(g)

Maryland — Maryland Rules 2-121 and 2-122

Massachusetts — Massachusetts Rules of Civil Procedure Rules 4(d) and 4(e)

Michigan — Michigan Court Rule 2.105(I)

Minnesota — Minnesota Rules of Civil Procedure Rule 4.04

Mississippi — Mississippi Rules of Civil Procedure Rule 4(c)

Missouri — Missouri Supreme Court Rule 54.12

Montana — Montana Rules of Civil Procedure Rule 4(e)

Nebraska — Nebraska Revised Statutes §§25-517.02 and 25-520.01

Nevada — Nevada Rules of Civil Procedure Rule 4.4

New Hampshire — New Hampshire Superior Court Rule 4 and RSA 510:4

New Jersey — New Jersey Court Rule 4:4-4

New Mexico — Rule 1-004 NMRA

New York — CPLR §§308, 315, and 316

North Carolina — North Carolina Rules of Civil Procedure Rule 4

North Dakota — North Dakota Rules of Civil Procedure Rule 4(e)

Ohio — Ohio Rules of Civil Procedure Rule 4.4

Oklahoma — Oklahoma Statutes Title 12, §2004

Oregon — Oregon Rules of Civil Procedure Rule 7(D)(6)

Pennsylvania — Pennsylvania Rule of Civil Procedure 430

Rhode Island — Rhode Island Rules of Civil Procedure Rule 4(e)

South Carolina — South Carolina Rules of Civil Procedure Rule 4(d)(5)

South Dakota — South Dakota Codified Laws §15-6-4(g)

Tennessee — Tennessee Rules of Civil Procedure Rule 4.08 and Tennessee Code Annotated §§21-1-203 et seq.

Texas — Texas Rules of Civil Procedure Rules 106, 109, and 109a

Utah — Utah Rules of Civil Procedure Rule 4(d)(5)

Vermont — Vermont Rules of Civil Procedure Rules 4(d)(1) and 4(g)

Virginia — Virginia Code §§8.01-316 through 8.01-321

Washington — RCW 4.28.100 and Washington Civil Rule 4

West Virginia — West Virginia Rules of Civil Procedure Rule 4(e)

Wisconsin — Wisconsin Statute §801.11

Wyoming — Wyoming Rules of Civil Procedure Rule 4(f)

Common Forms of Constructive and Alternate Service

Although terminology varies among jurisdictions, most states authorize one or more alternatives when a defendant cannot be located or personally served after diligent efforts. These methods typically include service by publication, court-ordered alternate service, substituted service upon another responsible adult, posting at a residence or business, certified or first-class mail, electronic service, or other methods specifically approved by the court based upon the facts presented.

Why Understanding Each State's Requirements Is Important

No two states apply identical standards before permitting constructive or alternate service. Some jurisdictions require extensive investigative efforts and a detailed Affidavit of Diligent Search and Inquiry, while others focus primarily on documented attempts at personal service. Courts frequently examine the diligence exercised before authorizing service by publication or other substitute methods. Attorneys, Process Servers, Licensed Private Investigators, law firms, and self-represented litigants should carefully review the applicable rules and statutes governing their jurisdiction to ensure compliance with due process requirements and avoid unnecessary delays or challenges to the validity of service.