// nationwide engineering-driven cost segregation

Cost segregation reveals the tax savings hidden inside your building_

Maven's licensed professional engineers conduct detailed cost segregation studies nationwide, reclassifying building components for accelerated depreciation and delivering audit-ready reports within 30 days of the site visit.

$750M+
In Deductions
5,000+
Studies Delivered
Full Audit
Protection

100% bonus depreciation may be available for eligible qualified property acquired and placed in service after January 19, 2025.*

Get A Free Quote!

See how much you could save with cost segregation.

// why-maven
Why Maven

The engineering-first approach
to cost segregation.

Maven Blueprint Review

Every study is engineered, not estimated.

Unlike firms that use software-generated estimates, Maven deploys licensed engineers to physically inspect your property. Every component is identified, measured, and classified according to IRS guidelines.

Schedule Your Free Analysis

Founded by Sean Graham, CPA • Licensed professional engineers on every detailed study

Licensed Professional Engineers on every study
IRS Audit Technique Guide compliant reports
Average 30-40% reclassification rate
Full audit defense documentation included
Delivered within 30 days of site visit
Works with your existing CPA seamlessly
// property-types
Property Types

Cost segregation studies for
every property type.

Commercial

Commercial Real Estate

Office buildings, retail centers, warehouses, and mixed-use properties. Our engineers identify every qualifying component for maximum allowable deduction.

30-40% avg. reclassification
Residential

Residential Properties

Multi-family and investment residential properties. Accelerated depreciation for 2-100+ unit portfolios.

25-35% avg. reclassification
Specialized

Self Storage & Industrial

Specialized studies for self-storage, warehouses, cold storage, and data centers with unique component classifications.

35-45% avg. reclassification
STR Strategy

Short Term Rentals

STR-specific strategies leveraging real estate professional status and bonus depreciation for Airbnb and VRBO investors.

30-40% avg. reclassification
Hospitality

Hotels & Hospitality

Hotels, motels, and extended-stay properties with high reclassification rates. FF&E, specialty systems, and site improvements yield significant accelerated depreciation.

35-50% avg. reclassification
Retail

Retail & Restaurant

Single-tenant retail, restaurant build-outs, and daycare facilities with tenant improvement reclassification opportunities.

35-40% avg. reclassification
// our-process
Our Process

How our cost segregation studies work.

Four straightforward steps from initial consultation to tax savings on your return.

maven-process.tsready
 1  // Step 1: Free Consultation
2 function analyzePortfolio(property, basis) {
3 // Free portfolio analysis and savings estimate
4 // You'll know your projected ROI before we start
5 }

6 // Step 2: On-Site Inspection
7 function deployEngineers(site, components) {
8 // Licensed engineers visit your property
9 // Every component inspected and classified
10 }

11 // Step 3: Report Delivery
12 function generateReport(data, irsGuidelines) {
13 // Full engineering report with IRS documentation
14 // Delivered within 30 days of site visit
15 }

16 // Step 4: Tax Filing & Support
17 function integrateWithCPA(study, taxReturn) {
18 // Your CPA files the study with your return
19 // We provide full audit defense if needed
20 }

Ready to unlock your
building's hidden value?

Get a free portfolio analysis and projected ROI estimate. No commitment required.

// engineering-analysis
Deep Analysis

Engineering analysis,
component by component.

Our licensed engineers don't just review blueprints, they conduct hands-on site inspections, identifying every reclassifiable asset down to individual electrical outlets, HVAC zones, and plumbing fixtures.

15-25%
5-Year Property, Carpeting, vinyl flooring, decorative lighting, cabinetry, countertops, appliances, specialty plumbing
5-10%
7-Year Property, Desks, chairs, office furniture, signage, lockers, standard fixtures
5-15%
15-Year Property, Parking lots, driveways, sidewalks, fencing, retaining walls, landscaping, site lighting
mep_schematic.dwg
Engineering MEP schematic
// client-reviews
Google Reviews

What our clients say.

5.0on Google

"The Maven team was incredibly professional and walked us through our first cost segregation study with ease. They found the best solution for our needs and were refreshingly honest about pricing, even recommending a less expensive option that worked better for us. Great experience overall."

M
Michael Luu
Rental Portfolio Owner

"I had a great experience completing the cost segregation study with Maven. Excellent communication, pricing, and made the process incredibly easy to follow."

C
Claudia Cristian
Charlotte, NC

"I've known Sean for a while now, and when it came time to do a cost segregation study, there was no question I'd turn to him and his team at Maven. They were incredibly knowledgeable and walked me through the process step by step, helping me understand the real value of doing a cost seg."

M
Michael Castaño
Business Owner

"Sean and his team at Maven provided excellent service with my cost segregation study. Their team was professional, knowledgeable, and efficient throughout the process. They clearly explained the benefits, delivered a thorough and well-documented report, and helped maximize my tax savings."

A
Andy Kata
Detroit, MI

"It was an absolute pleasure working with this company. They provided quick, impressive results in a timely manner. Kayleigh was incredibly knowledgeable and communicative. After interacting with a number of other cost seg companies, I was very pleased to see that I was interacting with the same people at their company every step of the way."

J
James McDonald
Savannah, GA

"We had a great cost seg experience with Sean and team. They saved us honestly. We'd been under the false impression for years that a cost seg wasn't worthwhile for our STR given its high land value. Sean set us straight and was professional throughout the painless process which took only a few weeks. The bonus depreciation ended up being 6-figures."

C
Christina
South Carolina

"They did an excellent job on my project. The entire process was smooth from start to finish, and they delivered exactly when they promised. I especially appreciated their efficient virtual walk-through, which was convenient, thorough, and professionally handled."

D
Danielle A.
High Point, NC

"Maven Cost Segregation Advisors delivered strong results for me on three rental properties. The team moved fast, explained each step clearly, and produced detailed studies that held up under review. Communication stayed consistent, and they answered every question without delay."

K
Kristen Clark
Oregon

"Sean and his team were incredibly responsive, knowledgeable and thorough in preparing my cost segregation study. I talked to several advisors and Maven really stood out as knowing their stuff and clearly staying abreast of the current guidance. Would highly recommend."

R
Radha Subramanian
Colorado

"I connected with Sean through BiggerPockets and had an outstanding experience working with him and his team. They were professional, communicative, and made the entire process incredibly smooth. The team delivered exactly as promised, hitting our rough estimated numbers for first-year depreciation."

M
Max Bellino
Massachusetts

"Maven is a great company, they all are very easy to work with. I have a complicated tax situation and they quickly put together a plan for me. I looked at other companies and am very happy I chose Maven for my cost segregation."

N
Nick Brokenshire
Washington

"Working with Maven was easy, affordable and very high quality. Their team is top notch and I will be using them for all my self storage facilities going forward."

D
Dave DeMink
Self-Storage Investor

"Sean and his Engineering team are responsive and thorough. I truly feel as if Sean is on my team in all aspects. He was willing and able to help me understand not only cost segregation but also various real estate strategies that I had questions on. Sean is definitely someone you want on your team!"

B
Ben Polansky
Los Angeles, CA

"Sean and his team went above and beyond providing the Cost Seg services. The concept was very new to me, but Sean was able to break it down and help me understand everything. I am glad I went with Sean and his team. I highly recommend them!"

L
Lindley Cannon
Tucson, AZ

"Sean and his entire team were very professional in guiding us through our first cost seg analysis. Sean helped us find a product that was the best fit for us and ended up being a lesser expensive option and we appreciated that honesty."

J
Joshua and Breanna Hodge
Tennessee

"Maven was recommended by our CPA. We were concerned about our tax exposure for current year. Cost segregation gave us a legit way to increase our deductions when we needed it most. Sean and team did exactly what they promised and on time."

D
Dave Arone
Charlotte, NC

"Can't say enough positive things about Maven/Sean and his team. They were thorough and speedy in their cost seg study for my 2 short term rentals. They were also extremely patient guiding me through this complicated process and for that I am so thankful!"

D
Deb Garcia
Miami, FL

"These guys are very RE investor friendly since they also have their own real estate experience, understood my needs very quickly. Helped me reduce a huge tax bill for 2025, well worth it."

D
David Morgia
New York City

"Sean and his team did a great job for me and turned around the cost segregation studies for two of my buildings in a timely manner. Their communication was very good and I liked that they kept me posted on the ETA throughout the process. Definitely recommended."

V
Varun Malhotra
Multifamily Investor

"Great experience with Maven. Constant communication, they were willing to setup a call with me prior to committing to explaining everything to me. Process was fairly simple and quick once you provide the necessary info to their team."

E
Erick Viramontes
California

"Maven Cost Segregation did an amazing job with my cost seg study! I loved using their calculator to estimate my savings and Sean's team was very easy to work with. Highly recommend!"

A
Andrew Fink
Dallas, TX

"Very thorough report! It outlines the tax laws, the different categories of depreciation, etc and then breaks down every aspect of the property and assigns a value to it. Just as it should be."

E
Edmund Markey III
Snowmass, CO

"Great support and service, they made the cost segregation process a breeze. Thank you Sean, Ahmed, and the Maven team. A+++"

R
Rob Massih
Jersey City, NJ

"Sean and his team were excellent to work with from start to finish. They took the time to clearly explain the cost segregation process in detail and were always available to address any questions from me or my CPA. Their professionalism and support made the entire experience smooth and stress-free."

A
Anitha Ganesan
Georgia

"Sean and his team are great. They were very responsive and knowledgeable. I think they are the perfect partners if you want to get a cost segregation report done. I highly recommend them."

M
Mukul Shukla
Real Estate Investor
Sean Graham, CPA
// founder
Founder

Sean Graham, CPA

Sean specializes in cost segregation, tax depreciation, and real estate tax savings. As the CPA and founder of Maven Cost Segregation: Tax Advisors, he has overseen numerous cost segregation studies, helping investors maximize deductions.

With a background in public accounting and a passion for real estate investing, Sean built Maven to deliver engineering-based studies that stand up to IRS scrutiny while maximizing every dollar of accelerated depreciation for his clients.

// methodology
Our Methodology

13 Principal Elements of a
Quality Cost Segregation Study

Every Maven study is built on engineering precision. Our team of licensed professionals examines each of these critical building components to maximize your accelerated depreciation.

Electrical Systems
Plumbing Systems
HVAC Components
Fire Protection
Site Improvements
Land Improvements
Decorative Finishes
Specialty Flooring
Kitchen Equipment
Security Systems
Signage & Graphics
Telecommunications
Process Piping
// get-started
Get Started

Get your free
cost segregation estimate.

Fill out the form and our team will provide a no-obligation estimate showing how much accelerated depreciation your property qualifies for. Most estimates are delivered within 24 hours.

Call Us Directly
(616) 330-5805
Email Us
info@mavencostseg.com
Response Time
Most estimates within 24 hours

Get A Free Quote!

See how much you could save with cost segregation.