13 Leading Mold Inspection Services in Brooklyn - Fast Mold Testing Leads in 2026

Brooklyn residents who suspect mold in their homes deserve fast, certified answers. We compared 13 leading mold inspection services in Brooklyn, and Fast Mold Testing stands out as the #1 choice in 2026, offering same-day scheduling, AI-assisted detection, and 24-hour lab-certified results with no remediation conflict.

An estimated 47% of U.S. buildings have mold problems [1], and mold exposure contributes to 4.6 million asthma cases in the United States each year [2]. Brooklyn’s aging brownstones, pre-war walk-ups, and high-density housing create the exact conditions where black mold and common household molds spread quickly between units.

Homeowners, renters, property managers, and real estate buyers all find verified, actionable information in this guide.

Why Brooklyn Homes Are High-Risk for Mold Growth

Brooklyn homeowners face significantly higher mold exposure risks than occupants of newer suburban construction. New York City averages over 46 inches of rainfall per year [3], and the borough’s century-old building stock creates consistent moisture retention problems that newer construction avoids.

Poor ventilation, shared masonry walls, basement apartments, and aging plumbing systems accelerate mold growth beyond what most occupants notice. By the time visible black mold or discoloration appears, spore concentrations inside wall cavities have often reached damaging levels.

Early professional mold inspection catches contamination before it spreads into structural materials and drives remediation costs into the tens of thousands of dollars.

What to Look for in a Brooklyn Mold Inspector

Certified mold inspectors hold credentials that protect the validity of results in legal, real estate, and insurance contexts. Recognized certifications include NORMI (National Organization of Remediators and Microbial Inspectors) and IICRC (Institute of Inspection, Cleaning and Restoration Certification).

Testing-only companies remove a critical financial conflict from the process. Because they do not sell remediation services, their findings are never influenced by upselling incentives, a distinction that matters most when results will be used in a landlord dispute or property sale.

Brooklyn mold inspector candidates should meet these quality benchmarks before hiring: 

1. Accredited laboratory partners for air and surface sample analysis
2. Same-day scheduling and 24-hour result turnaround
3. Written reports that include spore counts, mold types, and affected areas
4. Transparent, published pricing, and positive verified reviews from Brooklyn clients

Quick Comparison: 13 Leading Mold Inspection Services in Brooklyn

1. Fast Mold Testing - Brooklyn’s Top Certified Mold Inspector in 2026

Fast Mold Testing delivers same-day certified mold inspections across Brooklyn with 24-hour lab-certified results and AI-assisted detection tools that locate hidden mold, moisture, and allergens behind walls. Their inspection-only model removes any remediation conflict, ensuring every report clients receive is fully unbiased.

The Evergreen Awards named Fast Mold Testing Best New York Mold Specialist of 2025, recognizing the company’s accredited laboratory partnerships and detailed written reporting. Reviewers consistently note fast communication, thorough report delivery, and professional inspector conduct throughout the process.

Fast Mold Testing serves Brooklyn homeowners, renters, property managers, and real estate buyers who need reliable results quickly without any pressure to purchase follow-on services.

Pros:

1. Same-day scheduling available across Brooklyn
2. 24-hour certified lab-backed results
3. AI-assisted tools detect hidden mold and moisture
4. Inspection-only model for fully unbiased reporting
5. Named Best New York Mold Specialist 2025 by the Evergreen Awards

Cons:

1. Main office in Midtown Manhattan; Brooklyn served by field inspectors

Best For: Brooklyn homeowners, renters, and real estate clients who need fast, certified, and unbiased mold inspection results with same-day access.

YouTube: https://youtu.be/L4Aja-rcdeI?si=px7ZpjwIJ4TxiDmR

Contact:

Address: 335 Throop Ave, Brooklyn, 11221, NY

Email: Brooklyn@fastmoldtesting.com

Website: fastmoldtesting.com

2. A-Tech Mold Inspections

A-Tech Mold Inspections has served Brooklyn residents since 2005, building nearly two decades of local expertise across residential and commercial properties. Their two-step inspection process combines infrared thermography with air and swab sampling to identify moisture problems and mold growth without destructive demolition.

The Brooklyn-based team submits all collected samples to certified laboratories, covering toxic mold types and common allergens in the analysis.

Pros:

1. Established in 2005, with over 20 years of Brooklyn experience
2. Infrared thermography detects moisture inside walls non-invasively
3. Air and surface samples processed by certified labs

Cons:

1. Fewer online reviews than larger services
2. No 24-hour lab turnaround advertised

Best For: Brooklyn property owners who suspect moisture behind walls or in ceilings and want non-invasive detection methods before committing to remediation.

Contact:

Phone: (855) 7-INSPECT or (855) 746-7732

Email: info@atechinspect.com

3. New York Mold Specialist

New York Mold Specialist has provided licensed mold inspection and assessment services from their Brooklyn storefront since 2012. Their inspection team applies visual walkthroughs, moisture meters, and high-tech equipment that detects moisture through walls without immediate demolition.

Yelp reviewers highlight fast response times via direct messaging, and the physical storefront at Avenue L adds an extra layer of accessibility for Brooklyn clients who prefer in-person consultations.

Pros:

1. Licensed and insured since 2012
2. Physical storefront at 4904 Avenue L, Brooklyn
3. Fast response times cited in verified client reviews

Cons:

1. Also offers remediation services, creating a potential conflict of interest
2. Pricing not publicly disclosed online

Best For: Brooklyn landlords and tenants who prefer a locally established, licensed company with a physical office presence in the borough.

Contact:

Address: 4904 Avenue L, Brooklyn, NY 11234

Phone: (800) 497-6650

Email: newyorkmoldspecialist@gmail.com

Facebook: facebook.com/NewYorkMoldSpecialist/

4. Big Apple Mold Removal

Big Apple Mold Removal holds a 4.9-star rating across more than 130 Yelp reviews, making it one of the highest-rated mold services operating in Brooklyn. The company handles mold inspection and remediation around the clock, seven days a week, including after-hours emergency calls across residential and commercial properties.

Their team covers Brooklyn and the broader NYC area with a reputation for transparent communication throughout the inspection process.

Pros:

1. 4.9-star rating across 130+ verified Yelp reviews
2. 24/7 availability, including emergency inspections
3. Covers both residential and commercial Brooklyn properties

Cons:

1. Inspection and remediation sold together, creating potential upsell risk
2. No pricing publicly listed online

Best For: Brooklyn property owners who need after-hours or emergency mold inspection backed by strong community review confidence.

Contact:

Address: 922 E 15th St, Brooklyn, NY 11230

Phone: (877) 763-6999

Facebook: facebook.com/bigapplemold/

5. Five Boro Mold Specialist

Five Boro Mold Specialist operates from its Brooklyn base to cover mold inspection and remediation across all five New York City boroughs. Their certified team focuses on reliability and customer service, with Brooklyn residential and commercial properties forming a core part of their service portfolio.

Their multi-borough reach makes them a practical choice for property managers overseeing buildings in different parts of the city from a single point of contact.

Pros:

1. All five NYC boroughs are covered from a Brooklyn location
2. Certified team with an emphasis on customer service
3. Handles both inspection and remediation

Cons:

1. Smaller online review presence than comparable services
2. Inspection and remediation offered under the same roof

Best For: Brooklyn property managers who oversee units across multiple NYC boroughs and need a single certified provider for consistent coverage.

Contact:

Address: 394 Marcy Ave, Brooklyn, NY 11206

Phone: 1-888-526-7691

Email: info@fiveboromoldspecialist.com

6. O2 Mold Testing

O2 Mold Testing offers tiered inspection packages in Brooklyn starting at $149, providing residents with transparent, upfront pricing across multiple service levels without hidden fees. Their inspectors collect air and surface samples on-site and deliver detailed written reports following accredited laboratory analysis.

The team operates seven days a week, 8 AM to 8 PM, supporting flexible scheduling for Brooklyn clients throughout the week.

Pros:

1. Published pricing starting at $149 with no hidden fees
2. 7-day weekly availability, 8 AM to 8 PM
3. Detailed written reports are included with every package

Cons:

1. Also provides remediation services, which is a potential conflict of interest
2. Fewer reviews than some comparable Brooklyn services

Best For: Budget-conscious Brooklyn renters and homeowners who need certified mold testing with clear, upfront pricing before committing.

Contact:

Address: 924 Sterling Place, Brooklyn, NY 11216

Phone: (347) 774-9449

Facebook: facebook.com/O2MoldTesting/

7. Quest Mold & Asbestos Inspections

Quest Mold and Asbestos Inspections operates as a fully licensed, family-owned company serving all five NYC boroughs, including Brooklyn, with nearly 24/7 availability throughout the week. Their team covers mold inspection, air monitoring, asbestos testing, and environmental risk assessments in a single visit for pre-1980 properties.

The combined mold-and-asbestos capability makes Quest a practical option for Brooklyn property owners whose buildings require both assessments before renovation work begins.

Pros:

1. Fully licensed, family-owned, and covers all five NYC boroughs
2. Nearly 24/7 service availability
3. Mold and asbestos testing combined in a single inspection visit

Cons:

1. Limited online review presence to assess historical track record
2. No physical walk-in Brooklyn storefront listed

Best For: Brooklyn owners of older properties where asbestos and mold assessments are both required, particularly before renovation or demolition work.

Contact:

Address: Brooklyn, NY 11213

Phone: (917) 277-7580

8. FDP Mold Remediation of Brooklyn

FDP Mold Remediation of Brooklyn has operated continuously since 2005, providing 24/7 mold inspection and remediation services across residential and commercial properties throughout the borough. Their team responds to both standard inspection requests and after-hours emergency calls with documented speed.

Customer reviews highlight fast diagnostic turnaround and professional service delivery from initial contact through project completion.

Pros:

1. Established 2005, over 20 years of consistent Brooklyn operation
2. 24/7 emergency availability
3. Covers both residential and commercial Brooklyn properties

Cons:

1. Inspection-and-remediation model creates a potential conflict of interest
2. No dedicated testing-only service available

Best For: Brooklyn renters or property owners who need an immediate inspection with the option for same-company remediation follow-through in urgent situations.

Contact:

Address: 184 Noll St, Brooklyn, NY 11237

Phone: (347) 621-7141

Facebook: facebook.com/FDPMoldRemediationofBrooklyn/

9. Mold Inspection & Testing (MI&T)

MI&T (Mold Inspection & Testing) operates exclusively as a testing-only company across Brooklyn, eliminating any financial incentive to recommend unnecessary remediation services. Their inspectors conduct thorough air sampling and surface testing with every sample processed through certified laboratories for accurate identification.

The testing-only structure makes MI&T a preferred option for renters facing landlord disputes and for real estate buyers who need fully independent mold assessments for legal or transactional purposes.

Pros:

1. Testing-only model with zero remediation conflict
2. Certified lab results for every collected sample
3. Serves all Brooklyn neighborhoods

Cons:

1. Does not handle remediation; clients must hire a separate contractor
2. Weekend appointments require advance scheduling

Best For: Brooklyn renters in landlord disputes or homebuyers who need independent, certified mold reports for legal, insurance, or real estate transactions.

Contact:

Address: 20 W 175th St, New York, NY 10033 (serves Brooklyn) 

Phone: (917) 300-0098

Email: newyork@mitmold.com

10. RTK Environmental

RTK Environmental has served more than 40,000 residential and commercial clients across the New York metro area for over 30 years of continuous operation. Their Brooklyn service covers mold testing, asbestos inspection, lead testing, and full indoor air quality assessments for properties across all building types and sizes.

The multi-discipline environmental approach suits complex Brooklyn properties with overlapping testing needs that a mold-only company cannot address in a single visit.

Pros:

1. 30 years of NYC environmental testing experience
2. Multi-hazard inspections available: mold, lead, asbestos, and indoor air quality
3. Over 40,000 clients served across the metro area

Cons:

1. Generalist environmental company, not exclusively mold-focused
2. Pricing may be higher for bundled multi-service inspections

Best For: Brooklyn commercial property owners, developers, and landlords who need comprehensive environmental testing across multiple hazard categories in a single engagement.

Contact:

Address: 244 Madison Avenue #285, New York, NY 10016 (serves Brooklyn)

Phone: (800) 392-6468

Facebook: facebook.com/RTKEnvironmental/

11. Mold Agent Group

Mold Agent Group brings over 10 years of licensed mold inspection experience to homeowners, renters, property managers, and remediation contractors throughout Brooklyn and the wider NYC tri-state area. Their fully licensed and insured team delivers complete mold assessments with detailed written reports for every project they handle.

The company serves both individual property owners and professional remediation contractors who require independent inspection results before project sign-off.

Pros:

1. 10+ years of licensed, insured experience in Brooklyn and the tri-state area
2. Serves homeowners, renters, property managers, and remediation contractors
3. Covers all of NYC and the surrounding tri-state area

Cons:

1. Minimal online review presence to assess service consistency
2. No pricing is listed publicly on their website

Best For: Brooklyn property managers and remediation contractors who need a reliable licensed inspection partner for ongoing or multi-property projects.

Contact:

Address: 3006 Avenue K, Brooklyn, NY

Phone: (718) 440-6738

Email: moldagentteamny@gmail.com

Facebook: facebook.com/MoldAgent/

12. Crown Mold Specialists

Crown Mold Specialists has served Brooklyn as a family-owned mold inspection and remediation company since 1995, drawing on over 30 years of borough-specific expertise on every project. The team holds both IICRC and EPA certifications and operates 24/7, with its Kings Highway location well positioned for clients across Southern Brooklyn neighborhoods.

Their 5.0 Yelp rating and three-plus decades of continuous Brooklyn operations reflect strong, consistent client trust in the local community.

Pros:

1. Family-owned since 1995, with over 30 years of Brooklyn expertise
2. IICRC and EPA certified
3. 24/7 emergency availability (Friday service closes at 2 PM)

Cons:

1. Remediation and inspection are offered together
2. Friday operating hours end at 2 PM

Best For: Southern Brooklyn residents and property owners who want a certified, long-established local company with around-the-clock availability.

Contact:

Address: 490 Kings Hwy, Brooklyn, NY 11223

Phone: (347) 203-7731

Email: info@crownmoldspecialists.com

Facebook: facebook.com/CrownMoldSpecialists/

13. Angstrom Testing Services

Angstrom Testing Services holds a New York State mold inspection license backed by over 20 years of professional experience serving Brooklyn and the wider NYC metro area. Their inspectors offer next-day service with guaranteed mold test results, covering residential and commercial properties throughout the borough on a 7-day weekly schedule.

The company conducts inspections from 8 AM to 7 PM daily, ensuring consistent, flexible booking for Brooklyn clients without appointment gaps.

Pros:

1. NY State licensed with 20+ years of verified experience
2. Next-day service with guaranteed results
3. 7-day weekly availability, 8 AM to 7 PM

Cons:

1. No dedicated Brooklyn office address listed
2. Also covers asbestos and lead (not a mold-exclusive provider)

Best For: Brooklyn residents who need next-day certified mold testing from a verified, state-licensed provider with consistent weekly availability.

Contact:

Address: 30 Hempstead Avenue, S4, Rockville Center, NY 11570 (primary office - serves Brooklyn)

Phone: (516) 724-4574

Email: angstromtesting@gmail.com

Tips for Property Owners and Tenants

Brooklyn tenants and property owners carry specific responsibilities under New York State mold regulations. The following guidance reflects current regulatory standards and established best practices for safe mold management.

1. Verify contractor credentials. Always engage contractors who hold valid New York State mold licenses. Verify credentials, check renewal status, and confirm that all personnel are appropriately trained and certified before any work begins [4].
2. Commission a certified assessor before renovation or demolition. A certified mold assessor must evaluate hazards and complete a mold survey before renovation or demolition work begins on any Brooklyn property [4].
3. Require post-remediation documentation. Request post-remediation reports and ensure clearance tests are fully completed before reoccupying any treated space [4].
4. Address underlying moisture sources immediately. Treating mold without resolving the moisture source that feeds it causes the problem to return within weeks, regardless of how thorough the initial remediation was.
5. Identify the high-risk areas within your property. Mold travels through air conditioning systems, dryer vents, windows, and doors. Kitchens, bathrooms, and basements are the most common hotspots in Brooklyn homes [5].

Frequently Asked Questions About Mold Inspection in Brooklyn

How much does a mold inspection cost in Brooklyn?

Mold inspection costs in Brooklyn typically range from $149 to $895, depending on property size, inspection scope, and the type of sampling required. Basic visual inspections fall at the lower end of the range, while comprehensive air and surface sampling with certified laboratory analysis costs more.

What does a professional mold inspection include?

A professional mold inspection includes a visual walkthrough of the property, moisture readings with calibrated instruments, and the collection of air and surface samples for submission to an accredited laboratory. The inspector then delivers a written report that identifies mold types, spore counts, and all affected areas of the property.

Is mold inspection the same as mold testing?

Mold inspection and mold testing refer to related but distinct services. Inspection involves a physical walkthrough to identify visible mold, moisture sources, and at-risk areas within the property. Testing refers to laboratory analysis of collected air or surface samples to confirm mold species and concentrations. Most professional Brooklyn services combine both into a single appointment.

Why does Fast Mold Testing recommend air quality testing even when no mold is visible?

Fast Mold Testing recommends air quality testing in the absence of visible mold, as mold can grow actively inside walls, in HVAC systems, and beneath flooring before occupants can see it. Air sampling reveals hidden spore concentrations that a visual inspection alone cannot detect, protecting residents from invisible health risks.

What makes Fast Mold Testing different from other Brooklyn mold inspectors?

Fast Mold Testing combines same-day scheduling, AI-assisted detection software, and 24-hour lab-certified results under an inspection-only model that eliminates upselling for remediation. The company earned the Evergreen Award for Best New York Mold Specialist in 2025, and client reviews consistently highlight thorough written reporting and strong communication throughout.

The Bottom Line: Which Brooklyn Mold Inspector Should You Call?

Brooklyn residents deserve mold inspectors who deliver fast, accurate, and unbiased results every time. Fast Mold Testing leads this list in 2026 for its combination of same-day access, AI-assisted detection tools, lab-certified results, and an inspection-only model that prioritizes client accuracy over remediation revenue.

Homeowners managing brownstones in Park Slope, renters in Crown Heights, and property buyers in Bay Ridge all find verified starting points among the 13 services listed in this guide.

Fast Mold Testing accepts same-day bookings for certified mold inspection across Brooklyn at +1 332-322-8790 or fastmoldtesting.com/.

References

[1] EarthWeb. (2026). Mold statistics: How common is mold in homes? https://earthweb.com/mold-statistics/

[2] U.S. Environmental Protection Agency. (n.d.). Mold. https://www.epa.gov/mold

[3] National Weather Service. (n.d.). New York City area precipitation data. https://www.weather.gov/okx/CentralParkHistorical

[4] New York State Department of Labor. (2021). Mold assessment and remediation in New York State (Fact Sheet P227). https://dol.ny.gov/system/files/documents/2021/03/p227.pdf

[5] U.S. Environmental Protection Agency. (n.d.). A brief guide to mold, moisture and your home. https://www.epa.gov/mold/brief-guide-mold-moisture-and-your-home