A New York home inspector may not practice engineering, and the pre-inspection contract has to say so. That sentence settles most of the home inspector vs structural engineer question. The inspector reports what is visibly damaged or deteriorated in the foundation and framing. A structural engineer, licensed by the State Education Department, can investigate why it is happening, evaluate whether the structure is adequate and design the repair. This guide shows where the State draws the line, which findings usually send a buyer to an engineer, and how to check an engineer’s license.
Inspecwise is a home inspection business in South Ozone Park, Queens, licensed by New York State and certified by InterNACHI. We are home inspectors, not engineers, and nothing below describes our work as engineering.
Why the home inspector vs structural engineer question matters in older New York housing
Much of the housing near us is old. The tax-lot file records about 71% of Brooklyn’s one- to three-family lots and about 50% of Queens’ as built before 1940. The Census Bureau’s survey puts the share of all homes built before 1940 at about 19% in Nassau County, 9% in Suffolk and 28% in Westchester. An older house has had more years for water, settlement and alterations to show up. VA’s buyer’s guide says it directly: “it may be in your best interest to hire a structural engineer for your inspection, especially for an older property” (VA Buyer’s Guide).
| Borough | One- to three-family lots | Share recorded as built before 1940 |
|---|---|---|
| Brooklyn | 190,233 | 71% |
| Queens | 270,930 | 50% |
| The Bronx | 61,970 | 46% |
| Staten Island | 109,206 | 20% |
| Manhattan | 5,599 | 92% |
The table is from PLUTO, the city’s tax-lot file (version 26v2). Year built for old buildings is often a rounded estimate, so we quote the share before 1940 and never a median year. Our guide to pre-war home inspection in New York City covers what else those houses tend to have.
What the State’s Standards require a home inspector to report on structure
The Standards of Practice have one section on structure. The inspector must observe and report “any deteriorated and/or damaged structural component including the building foundation and framing,” along with the floor, wall, ceiling and roof structure (19 NYCRR 197-5.5). The general rule that sits above it limits that to “readily accessible, visually observable installed systems and components,” and requires the report to name any major component the inspector did not observe, with the reason (197-5.3).
Concealment matters a great deal for structure. The inspector is not required to observe any item that is concealed or not readily accessible, to move furniture or stored items, to lift floor coverings, or to perform any test that could damage the item (197-5.16). A finished basement with paneled walls hides the foundation behind it. A report on that house should say the wall was not observed and why. Our guide to a home foundation inspection describes what a visit can see, and basement inspection in New York covers the lower level.
What the Standards say the inspector need not decide
Section 197-5.16 lists what the inspector is not required to determine, and the list reads like a buyer’s questions. An inspection to the Standards is “not technically exhaustive,” and a technically exhaustive inspection is one that uses “measurements, instruments, testing, calculations, and other means to develop scientific or engineering findings” (197-5.1). The table sets the inspector’s duty next to the questions a buyer usually has once a defect is found.
| Question about the structure | Home inspector (NYS Standards) | Structural engineer (NYS licensed PE) |
|---|---|---|
| Is there visible damage or deterioration in the foundation or framing? | Required to observe and report it when readily accessible (197-5.5). | Can evaluate it. NYSED says a buyer might employ a PE “to evaluate the structural integrity” of a house before purchase or renovation. |
| Is the wall, beam or floor strong enough? | Not required to determine “the strength, adequacy, effectiveness or efficiency of any system or component.” | This is the evaluation a PE is licensed to make where it needs engineering principles and data. |
| Why is it happening? | Not required to determine “the causes of any condition or deficiency.” | Consultation, investigation and evaluation are part of the practice of engineering (Education Law 7201). |
| What repair, and what happens if nothing is done? | Not required to determine “the methods, materials or costs of corrections” or the future condition of a component. | Design of the repair is within the practice of engineering. Prices come from the contractors you ask. |
| Is the soil or groundwater the problem? | Not required to determine “soil conditions related to geo-technical or hydrologic specialties.” | A different specialty. Ask the engineer whether this is their field. |
| Are the plans for the work sealed for the city? | Not part of the inspection. The Code of Ethics bars the inspector from determining compliance with codes or laws (197-4.4). | DOB says a New York State Registered Design Professional, a licensed PE or registered architect, must file construction plans (DOB). |
Who is licensed as a professional engineer in New York
Engineers are licensed by the State Education Department’s Office of the Professions under Article 145 of the Education Law. Section 7201 defines the practice of engineering as “consultation, investigation, evaluation, planning, design or supervision of construction or operation in connection with any utilities, structures, buildings” where safeguarding life, health and property is concerned and the work needs engineering principles and data. Section 7202 says that only a person licensed or otherwise authorized may practice engineering or use the title “professional engineer” (Education Law Article 145).
NYSED’s consumer information says what to expect. A client should receive a description of the engineer’s qualifications, a clear and complete description of the work and deliverables, a schedule, and “final plans, specifications and reports that contain the signature and seal of the professional engineer.” Engineers must retain the records of work they sealed for at least six years (NYSED consumer FAQ).
What a home inspector is not
A home inspector is not an engineer, and State rules address it three times. Real Property Law 444-g states that nothing in Article 12-B “authorizes a home inspector to practice engineering or architecture” (Department of State compilation). Every pre-inspection agreement must carry the clause “Home inspectors are not permitted to provide engineering or architectural services” (197-4.2). And the Code of Ethics bars an inspector from advertising under the heading of engineers or engineering (197-4.9). The license does not authorize engineering opinions. If you want a statement about adequacy, ask an engineer for it.
When a report says “consult a structural engineer”: common triggers in New York housing
The Standards tell the inspector to report visible damage. They do not say which professional follows. Lenders have drawn that line for appraisers, and their lists are a useful guide. HUD’s handbook says a qualified individual’s inspection may be required when an appraiser sees standing water against the foundation, a damp basement, a leaking or worn-out roof, or possible structural failure, which it illustrates with settlement or a bulging foundation wall, unsupported floor joists and cracked masonry walls or foundation (HUD Handbook 4000.1). Fannie Mae’s Selling Guide conditions the appraisal on a qualified professional’s inspection when the appraiser is not able to judge the repair of a safety, soundness or structural deficiency (Selling Guide B4-1.3-06). The HUD handbook PDF is dated 2019, so confirm the current text with a lender.
The table turns those lists into five findings that can raise the home inspector vs structural engineer question in older New York houses. The middle column is what an inspector can report. The right column is what an engineer would be asked.
| What is visible | What the inspector can report | What an engineer would be asked |
|---|---|---|
| A cracked, bulging or leaning foundation or basement wall | Where the crack runs, whether the wall bulges or leans, signs of past patching and water staining nearby. Concealed sections are listed as not observed. | Is the wall moving, why, and is a repair needed? The report cannot say. |
| A sagging floor, a notched or cut joist, added posts or jacks | The visible condition of the floor structure and any visible supports (197-5.5). Not whether the posts are adequate. | Is the framing adequate for the load, and what support is needed? |
| A wall removed in a renovation, a new beam or post where a wall used to be | That an opening, beam or post is present and its visible condition. Permits and code compliance are outside the inspection. | Was the opening sized and supported properly? The seller’s attorney can ask for the permit records. |
| A shared wall in an attached house, with cracks or movement at the party wall | Conditions visible on your side of the wall. The neighbor’s side is not part of your inspection. | Is the movement structural, and what is its cause? Any dispute with a neighbor goes to an attorney. |
| Water at the foundation or a persistently damp basement | Visible staining and dampness, and the grade and drainage next to the foundation (197-5.4). | Is groundwater or soil load acting on the wall? See basement water after heavy rain. |
Two of those rows are worth a note. On renovations, DOB says the majority of construction needs a Department of Buildings permit, and that a registered design professional files the plans (DOB, Obtaining a Permit). We found no DOB page stating how that applies to a particular alteration in a one- to three-family house, so do not assume a missing permit or a present one. Ask the seller’s attorney for the records, and read how to check the certificate of occupancy and permits. On attached houses, the Census counts about 9% of Queens homes and 8% of Brooklyn homes as one-unit attached houses; two- to four-family houses are counted in other categories.
We write down what we see and where. We do not tell a buyer a wall is sound or a beam is adequate, because the Standards do not require it and the inspection contract says we may not provide engineering services. If you cannot tell from the report whether a finding calls for an engineer, ask the inspector to explain it in plain words, and ask your attorney how much time the contract gives you.
What to ask a structural engineer, and what you should get back
- Are you a professional engineer licensed in New York, and what is your license number? (Then check it, below.)
- Have you evaluated houses of this type before, and can you give names of former clients as references? NYSED lists both among the things a client should expect.
- What exactly will you do on site, what will the written deliverable be, and will it carry your signature and seal?
- Can you visit before the inspection deadline in my contract? Ask your attorney first what the deadline allows.
- May I give you the home inspection report? The report is confidential to the client under Real Property Law 444-g, so it is your decision to share it.
How to check an engineer’s license
Engineers and home inspectors are licensed by different agencies, so you check them in different places.
| Home inspector | Professional engineer | |
|---|---|---|
| Licensed by | NYS Department of State, under Article 12-B of the Real Property Law | NYS Education Department, Office of the Professions, under Article 145 of the Education Law |
| Where to check | The Department of State licensee search. Here is how to use it. | The NYSED verification search. NYSED says “You may verify an individual’s license and registration on this site.” |
| Renewal | Licenses run two years (Real Property Law 444-f). | NYSED says professional engineers must reregister every three years to practice in New York. |
Take the full name and license number from the engineer’s proposal, search for them, and confirm the registration is current. A name that does not come up is a reason to ask questions, not an answer.
What lenders and the Attorney General say about engineers
The lender programs we read do not ask for an engineer in an ordinary purchase. They refer to a qualified professional when an appraisal calls for one. See whether a mortgage requires a home inspection and home inspection vs appraisal for how an appraisal condition reaches the lender’s desk. In a co-op or condominium the structure is shared. The Attorney General’s guide calls the physical analysis of such a purchase difficult and technical and mentions an engineer and an attorney as help (Attorney General). Our guide to a co-op inspection in Queens and Brooklyn covers that case.
Short answers to common questions
Does a home inspection include a structural evaluation?
No, not an engineering one. The Standards require the inspector to observe and report visible damage or deterioration in the foundation, framing and floor, wall, ceiling and roof structure. They do not require him to determine strength, adequacy or causes.
Can a home inspector tell me whether a cracked foundation wall is serious?
He can tell you what he sees: where the crack is, whether the wall bulges, and any staining. Whether it is serious depends on strength, cause and movement, which the Standards do not require him to determine. That is the engineer’s question.
Do I need both a home inspector and a structural engineer?
Not always. The inspection report is how you learn whether a structural question exists. VA’s guide suggests an engineer for an older property, and lenders send structural findings to a qualified professional. Decide after you read the report, and mind the contract’s deadline.
How do I check that a structural engineer is licensed in New York?
Search the engineer’s name or license number on the State Education Department’s verification page, and confirm the registration is current. NYSED says engineers must reregister every three years.
What does a structural engineer deliver?
NYSED says a client should expect a clear description of the work and “final plans, specifications and reports that contain the signature and seal of the professional engineer.” Ask for the scope in writing before the visit.
Is a home inspector allowed to say a wall is structurally sound?
The Standards do not require it, and every inspection contract must say that home inspectors are not permitted to provide engineering services. A statement about adequacy is what you ask an engineer for.
About the figures
Borough shares are from NYC Department of City Planning PLUTO 26v2, one- to three-family lots only (PLUTO dataset). County shares are Census Bureau survey estimates for 2020 to 2024 (American Community Survey), rounded because they carry margins of error.
If your report raises a structural question
Tell us the address and the date your contract’s inspection window closes. We report what we see and say what we could not see. We work in English, Urdu, Punjabi and Hindi, and we inspect in all five boroughs, Nassau, Suffolk and Westchester, and elsewhere on request.
Prefer to talk first? Call 718-925-7071.