Mold Assessment

Suffolk County | Hamptons | North Fork 

Clarity on Moisture, Mold Conditions, and Indoor Environmental Concerns

We provide NY-licensed mold assessments and mold testing across Suffolk County, Long Island — including the East End (Hamptons + North Fork) and expanding into central and western Suffolk (South Shore + North Shore). A mold assessment is a documentation-driven process that combines building history, occupant interview, and an on-site inspection to form an initial hypothesis about the origin, location, and extent of suspected microbial amplification. When appropriate, a sampling plan is developed and samples may be collected and submitted to a qualified laboratory for analysis.

See Suffolk County full coverage

See East End (Hamptons + North Fork) full coverage


When to Request a Mold Assessment

A mold assessment makes sense when you’re noticing any of the following:

  • Musty / moldy / mildewy odors

  • Visible suspect growth or staining

  • A recent leak, flooding, or water intrusion (or a history of it)

  • High indoor humidity or recurring condensation

  • Basement or crawlspace dampness

  • “We fixed it, but it came back” situations


Why mold shows up so often across Suffolk County

A lot of Suffolk County homes deal with the same moisture patterns:

  • Seasonal use and long periods with reduced ventilation

  • Coastal humidity (especially on the South Shore and East End)

  • Damp basements and crawlspaces

  • Wind-driven rain finds weak points around windows, flashing, roofs, and siding

  • HVAC condensation/ductwork issues, especially in attics and mechanical spaces

  • “We fixed it, but it came back” situations caused by an unresolved moisture driver

Mold is usually a moisture problem first. The goal is to document the conditions and find the driver — not just chase numbers.


Our Approach

This is the process we follow (simple, documented, and practical):

1) Building history + quick interview

We start with what’s been happening: leaks, repairs, humidity patterns, ventilation, timing of odors, and where you’ve seen staining. That tells us where to focus first.

2) On-site inspection + moisture investigation

We inspect visible and accessible areas and use direct-read tools to check moisture conditions in materials and the indoor environment.

3) Thermal imaging (when it helps)

Thermal imaging can help identify temperature patterns that may point to hidden moisture. It’s a tool we use to guide investigation—then we verify what we’re seeing.

4) Sampling strategy (when appropriate)

Sampling isn’t automatic. If sampling will answer a real question, we build a simple plan and document it (including chain-of-custody).


Mold air sampling pump with spore trap cassette used during a mold assessment

Sampling Methods

Air Sampling (Spore Trap)

Used to compare an area of concern to an appropriate baseline/control and to evaluate whether airborne fungal indicators are elevated.

Surface Sampling (Swab / Tape Lift)

Surface swab sample being collected from a suspect area during mold inspection

Used when visible suspect growth is present to help identify what’s on a surface and guide next steps.

Bulk Sampling (Material Sample)

Bulk material sample sealed in a bag for laboratory mold analysis

Used when a small piece of affected material is needed for lab identification (for example: drywall, insulation, carpet backing). Bulk sampling is typically reserved for specific scenarios where it helps answer a defined question.

Lab work: testing is performed by qualified third-party laboratories.


How Lab Results Are Interpreted

There is no government-established permissible exposure limit (PEL) for mold, so results aren’t labeled “safe” or “unsafe.” We interpret findings by comparing to an appropriate baseline/control and matching the data to what we observed onsite.

We use the IICRC S520 framework to describe conditions in plain terms:

  • Condition 1: normal background fungal ecology

  • Condition 2: settled spores / moderate contamination (often spread from a source area)

  • Condition 3: actual growth or substantial contamination (visible or hidden)


Deliverables

You’ll receive clear documentation that typically includes:

  • A straight, executive-style summary

  • On-site observations and moisture-related findings

  • Sampling results (if collected) and a plain-English summary

  • Practical recommendations (and remediation guidance when applicable)


Post-Remediation / Post-Repair Verification

After remediation or repairs, we can perform a follow-up evaluation to document current conditions and confirm the work aligns with the plan. Where appropriate, verification can include air monitoring to see whether conditions have returned toward normal background levels (Condition 1).


Standards & Guidance Referenced

Our language and framework align with commonly referenced guidance, including:

  • NYS Labor Law Article 32 (licensing and work standards)

  • IICRC S520

  • US EPA mold guidance

  • NYC DOH guidance

  • AIHA / ACGIH guidance


Important Notes

  • Observations relate to visible and accessible conditions at the time of the visit.

  • Results are time-specific.

  • We do not provide medical advice.

  • We are independent diagnostics—we do not perform remediation.


Schedule a Mold Assessment

Text/call 631-655-9855 or email bayrona@casablancaebd.com. Include 3 quick details and we’ll recommend the right scope:

  1. What you noticed (odor / staining / leak)

  2. Where it is (basement, crawlspace, bedroom, attic, etc.)

  3. When it started (and if there was a known water event)

Contact us.

Bayrona@casablancaEBD.com
(631)655-9855

5 Raynor Rd
Southampton, NY 11968

 

FAQ

Do you offer “mold testing,” or a mold assessment?

We provide mold assessments across Suffolk County, Long Island. Testing (air and/or surface sampling) may be included when it answers a specific question. The goal is to document conditions — especially moisture — so the problem gets solved correctly, not just labeled.


What’s the difference between a mold assessment and mold remediation?

A mold assessment is the inspection, documentation, and (when appropriate) sampling used to understand conditions and likely moisture contributors. Mold remediation is the physical containment, removal, and cleaning work performed by a remediation contractor.
In New York, the same licensee is prohibited from performing both mold assessment and mold remediation on the same property — the separation is designed to prevent conflicts of interest.


What’s the difference between a mold assessment and mold remediation?

There’s no single government “safe/unsafe” cutoff for mold results, and we don’t provide medical advice. What we can do is determine whether conditions appear typical (background) or abnormal (elevated / consistent with a source) based on what we observe onsite, building history (leaks, humidity, ventilation), and—when sampling is performed—comparison to an appropriate baseline/control.

authoritative pages:

  • EPA: no federal standards for airborne mold US EPA

  • CDC/NIOSH: no health-based standards for mold in indoor air CDC

  • OSHA: no federal standards; consult a health professional OSHA


Do you use thermal imaging during a mold assessment?

Sometimes. Thermal imaging can help point to patterns that may suggest hidden moisture or building envelope issues. But infrared alone doesn’t prove a leak or mold. If we see a pattern, we interpret it in context and verify where it makes sense.


How long does a mold assessment take?

It depends on the home size and the scope (one area of concern vs. wider review). After a quick intake (what you noticed, where, when it started), we’ll recommend the right scope and give you a realistic time expectation before scheduling.


What should I do before the appointment?

If you can, share any background: known leaks, recent storms, past repairs/remediation, where odors show up, and where staining is visible. Try not to do heavy cleaning of suspect areas right before the visit—documentation is easier when conditions are undisturbed.


Do you perform post-remediation verification?

Yes. After remediation or repairs, we can perform post-remediation / post-repair verification to document current conditions and confirm the work matches the intended plan. When appropriate, that can include follow-up measurements or air monitoring.


What areas do you serve in Suffolk County?

We serve Suffolk County, Long Island — including the Hamptons and North Fork, plus central and western Suffolk on both the South Shore and North Shore. For a full town list, see: /service-areas-suffolk-county-long-island


Should I get a mold assessment if I only smell a musty odor?

Yes, especially in seasonal homes. A musty odor often points to moisture conditions in basements, crawlspaces, wall cavities, or HVAC areas. The goal is to identify the moisture driver and document where conditions are strongest so you’re not guessing.


Can you help during a real estate transaction?

Yes. We work with buyers, sellers, and agents across the East End. If you have a closing date, share the deadline and we’ll recommend the fastest scope that still gives you useful documentation.

 

Casablanca Environmental & Building Diagnostics provides mold assessments and mold testing across Suffolk County, Long Island — including the Hamptons and North Fork, plus central and western Suffolk on both the South Shore and North Shore.

Service Areas

East End Long Island

South Shore + Central Suffolk

North Shore

  • Port Jefferson

  • Stony Brook

  • Setauket

  • Smithtown

  • Mount Sinai