- The Short Answer: What a CST Actually Is
- Who Issues It and Who Runs the Exam
- What a CST Is Not
- The Six Work Elements You Are Tested On
- How the Exam Works: Format, Calculators and References
- Getting In: Eligibility, Fees and Proctor Logistics
- Scoring: The 70% Line and the Gray Zone
- Where the Credential Fits in a Survey Career
- Keeping It Active: Renewal and Continuing Education
- Sequencing Your Preparation Around the Heavy Domains
- Frequently Asked Questions
- CST here means Certified Survey Technician Level I, issued through the National Society of Professional Surveyors (NSPS).
- The exam has 200 multiple-choice questions in 4 hours, and it is open book.
- Field Equipment & Operations carries 75 questions, the largest of six work elements.
- Level I requires no experience, and NSPS membership is not required.
The Short Answer: What a CST Actually Is
Search for "CST" and you will find a crowded field of unrelated credentials that share the same three letters. On this site, the acronym means exactly one thing: Certified Survey Technician Level I. It is the entry-level rung of a technician certification program for people who work on survey crews and in survey offices, the ones setting up instruments, running field operations, reducing data, and reading and preparing plans.
A person who holds the credential is called a CST, and so the question "What is a CST?" has two honest answers. As a credential, it is a recognized, exam-based confirmation that a technician understands the core work of a survey crew. As a person, a CST is a survey technician who has passed that exam and keeps the certification current.
If you want other angles on the same terminology, our companion pages on what CST stands for and what CST certification involves cover the naming and the program from slightly different directions. This article focuses on the practical question: what is this credential, what does it test, and what does it take to earn and keep it?
Who Issues It and Who Runs the Exam
The certification is issued by the National Society of Professional Surveyors (NSPS). Day-to-day administration sits with the Certified Survey Technician Board (CSTB), and exams are delivered through approved proctors. That last detail matters more than most candidates expect, and we cover it below under proctor logistics.
The scope of the exam is the shared entry-level Certified Survey Technician Level I examination. "Level I" signals that this is the first step on a multi-level track. The application process reserves supervisor verification for Level II and above, so Level I is where a technician starts rather than where a veteran proves decades of experience.
What a CST Is Not
Because the credential carries the word "survey," candidates sometimes assume it points toward licensure. It does not. CST certification does not grant a surveying license, and it is a different thing from the NCEES Fundamentals of Surveying exam, which is part of the licensure pathway for professional surveyors. A technician can hold a CST without ever pursuing a license, and a licensure candidate does not need a CST to sit for the NCEES exam.
Think of it this way:
| Question | CST Level I | Licensure Pathway (NCEES FS) |
|---|---|---|
| Purpose | Certifies technician-level knowledge | Step toward professional licensure |
| Issuer | NSPS, administered by the CSTB | NCEES |
| Grants a license? | No | Not by itself; it is one part of a pathway |
| Experience to start Level I | None required | Governed by NCEES and state boards |
If you are weighing whether a technician certification fits your goals, see our ROI analysis of the CST certification for a frank look at what it can and cannot do for a career.
The Six Work Elements You Are Tested On
The exam is built around six official work elements, effective January 1, 2023. NSPS publishes how many questions each element receives, not percentage weights, so the question counts below are the real numbers to plan around. Together they total 200 questions.
Domain 1: Survey Types and History (15 questions)
The smallest-but-one block, covering the vocabulary and background of the profession.
- The kinds of surveys a crew may be asked to perform and how they differ in purpose
- Foundational history and terminology of surveying
- Keep the Definitions of Surveying and Associated Terms reference close; this is where it earns its place
Domain 2: Field Equipment & Operations (75 questions)
The largest element by a wide margin. Roughly three questions in eight come from here.
- Instrument setup, leveling, and day-to-day field procedures
- Measurement methods and the care and checking of equipment
- Recognizing correct and incorrect field practice in a scenario
Domain 3: Survey Control (6 questions)
The smallest element, but not one to ignore if you are within a few points of the passing line.
- The role of control points in establishing position
- How control supports every other measurement on a project
Domain 4: Survey Computations (50 questions)
The math-heavy element, and the second largest.
- Working survey problems accurately with an approved calculator
- Unit conversions, which a fundamental surveying text with conversion charts will support
- Carrying a computation through cleanly without arithmetic slips
Domain 5: Office Operations, Plan Reading and Preparation (34 questions)
The office side of survey work.
- Reading plans and understanding what they communicate
- The preparation and organization of survey documents
- How office work connects back to what the field crew gathers
Domain 6: First Aid & Safety (20 questions)
A dedicated safety block that reflects the outdoor, often hazardous nature of fieldwork.
- First aid fundamentals relevant to crew work
- Field safety practice; a first-aid/safety manual is a recommended reference
A quick glance at the allocations tells you something important: Field Equipment & Operations and Survey Computations together account for 125 of the 200 questions. Our deeper walkthrough in the complete guide to all six CST content areas breaks down what to expect in each one.
How the Exam Works: Format, Calculators and References
The basic format
The exam is 200 multiple-choice questions in 4 hours, delivered in English only. It is open book, which sounds comforting and is easy to misread. With 200 questions in 240 minutes, you have a little over a minute per question. An open-book exam rewards organization, not browsing. A candidate who has to look up every answer will run out of time.
Delivery is online or on paper, in both cases with an approved on-site proctor.
What you may bring
Printed references and securely bound technical notes are permitted. Sharing resources is prohibited, as is access to network storage, email, or the internet during the exam. The exam also supplies a CST Flipchart, included with the fee and provided on exam day.
Useful items to organize and tab in advance include a fundamental surveying text with conversion charts, a first-aid and safety manual, and the Definitions of Surveying and Associated Terms volume that NSPS recommends.
The calculator rule
Under the dedicated calculator policy effective October 25, 2022, only these families are permitted:
- Casio fx-115 and fx-991 families
- HP 33s and 35s
- TI-30X and TI-36X families
The FAQ contains broader calculator language than the dedicated policy page. Follow the dedicated policy, and practice your computations on one of the permitted models well before exam day. A calculator you have never used under time pressure is a liability. Our one-page CST cheat sheet is a handy companion when you are building your reference set.
Key Takeaway
Open book does not mean easy. Tab your references by work element, confirm your calculator is on the permitted list, and practice at exam pace. The CST practice tests are a good way to rehearse that rhythm.
Getting In: Eligibility, Fees and Proctor Logistics
Eligibility
Level I requires no experience, and NSPS membership is not required. That makes it one of the more accessible credentials in the field. For a fuller treatment, read our guide to CST eligibility and prerequisites.
Fees
| Item | Standard Individual | Student, Active Military, or Veteran |
|---|---|---|
| Initial exam fee | USD 180 | USD 120 |
| Same-level retake within one year | USD 150 | USD 100 |
The FAQ and the July 2024 Program Book also list USD 120 for groups of at least 10 at the same site and time with the same proctor. However, the dedicated fee page directs group and MOU applicants to NSPS for pricing, so confirm any group rate directly before promising it to a team. Our complete pricing breakdown lays out the full cost picture, including renewal.
The proctor is your responsibility
This is the logistical point that surprises people most. Applicants arrange an approved proctor and site themselves. You are not simply picking a seat at a testing center; you are coordinating an appointment with a qualified proctor.
Scheduling also has a documented conflict. The fee page and the setup page restrict online availability to weekdays and the second Saturday of each month, while the February 2024 proctor packet says any date is possible. The practical conclusion: confirm the actual appointment with both NSPS and your proctor before you commit to a date. Our scheduling guide to testing windows and deadlines covers how to plan around this.
Scoring: The 70% Line and the Gray Zone
The normal passing criterion is 70%, subject to CST Board adjustment. Results fall into three bands:
- 70% and above: normal pass
- 66 to 69: pending cycle review
- 65 or below: failing
That middle band is unusual. A score of 66 to 69 is not an automatic pass or fail; it waits on review. Do not plan around landing there. Aim for a comfortable margin above 70.
If you do not pass, the FAQ requires a complete cycle before retesting. After three consecutive failures, the July 2024 Program Book requires documented education in the failed work elements before a fourth attempt. Our page on the exact CST passing score goes deeper into how results are determined.
About the pass-rate number you may see
The only published outcome data we can point to is historical: the Fall 2023 CST Board minutes (November 2-3, 2023) record 61 Level I passes and 35 failures in quarter-grading results. That is a historical cohort, not a current annual figure and not a first-time pass rate. Treat it as context, not a prediction. For a careful reading of what the data does and does not show, see what the CST pass rate data shows, and for the human side of the question, how hard the exam really is.
Where the Credential Fits in a Survey Career
Survey technicians work for land surveying firms, engineering and construction companies, and public agencies, the kinds of employers whose crews and offices handle field measurement, computation, and plan preparation. A CST gives those employers a standardized signal that a technician has been examined against the same six work elements, regardless of which firm trained them.
On pay, be careful with claims. The Bureau of Labor Statistics reports a May 2025 median annual wage of USD 54,240 for surveying and mapping technicians across the occupation. That figure describes the occupation as a whole. It does not measure what CST holders earn, and it does not establish a certification premium. Anyone who tells you a specific CST raise without a source is guessing. For a balanced discussion, see our earnings analysis, and to explore the kinds of roles where the credential shows up, browse CST jobs.
Because Level I demands no experience, it also serves as a way for newcomers, including students and those leaving the military, to document baseline competence before they have a long work history to point to. The reduced fees for students, active military, and veterans reflect that audience.
Keeping It Active: Renewal and Continuing Education
The credential is not a one-time event. Annual renewal is USD 40. If a year is missed, the FAQ lists a USD 50 reinstatement charge per missed year for up to three years, after which retesting is required.
Continuing education became mandatory with the July 2026 renewal. The renewal notice specifies Level I at "2 CEUs annually," yet it also describes the amounts as hours, and the 2023 Board minutes use two hours. The terminology is inconsistent across NSPS materials, so read your renewal notice closely and ask NSPS if the unit matters for your situation. NSPS publishes a list of acceptable survey-related education and examples of attendance documentation on its important-links page, so keep records of anything you complete.
Sequencing Your Preparation Around the Heavy Domains
Because NSPS publishes question counts, you can allocate effort rationally. This is the one place where a plan is worth spelling out, and it ties directly to the work elements above. For a fuller method, see our CST study guide and the options in CST training.
Field Equipment & Operations
- Biggest block at 75 questions, so start here and revisit often
- Tab your references as you learn where procedures live
Survey Computations
- Work problems on a permitted calculator only
- Build a conversion-chart habit before drilling speed
Office Operations and Plan Reading, plus First Aid & Safety
- 34 and 20 questions respectively; steady points for well-read candidates
History, Control, and full-length practice
- Cover Survey Types and History and Survey Control quickly
- Take a timed run on the CST practice test platform to rehearse the 4-hour pace
Use the official NSPS sample examination to see the style of question, but do not make it your only resource. NSPS describes its samples as illustrative. Observed preparation resources include NSPS itself, LearnCST, a Texas A&M University-Corpus Christi Level 1 exam prep preview, OpenExamPrep, and webinar listings such as a MALSCE Level 1 problem-solving session. These are resources we have observed, not rankings, and none carries an issuer endorsement. Paid course contents were not reviewed, so evaluate any paid option on its own terms.
Frequently Asked Questions
It stands for Certified Survey Technician Level I, the entry-level NSPS certification administered by the Certified Survey Technician Board. It is unrelated to other credentials that share the acronym.
No. Level I requires no experience, and NSPS membership is not required. Supervisor verification on the application is reserved for Level II and above.
No. CST certification does not grant a surveying license. Licensure runs through a separate pathway that includes the NCEES Fundamentals of Surveying exam.
There are 200 multiple-choice questions in 4 hours. Field Equipment & Operations is largest with 75 questions, followed by Survey Computations with 50 and Office Operations, Plan Reading and Preparation with 34.
The initial fee is USD 180, or USD 120 for students, active military and veterans. Annual renewal is USD 40, and continuing education became mandatory with the July 2026 renewal. Verify any reinstatement amount with NSPS, since its sources conflict.