Property due diligence · July 25, 2026 · 9 minute read
Floodplain due diligence for Michigan self-directed IRA property
Check FEMA maps, elevation records, past water damage, development limits, insurance, financing, and IRA procedures before buying Michigan property.
A flood-zone label can settle a lender's insurance question and still leave a buyer with plenty to investigate. It does not show where water entered during the last storm, whether the mechanical equipment sits below the mapped flood elevation, what a policy excludes, or whether a damaged building could be repaired as planned. Those details can change the cost and use of Michigan property long after closing.
For a self-directed IRA buyer, the review also has to fit the account. Insurance premiums, surveys, inspections, mitigation work, and later repairs need a payment path through the custodian. The useful goal is a property-specific file that connects the official map with the building, the proposed use, the insurance terms, and the account's available cash.
Start with the effective map for the exact address
Use FEMA's Flood Map Service Center, which FEMA identifies as the official public source for flood-hazard information produced for the National Flood Insurance Program. Search the address, save the effective map and date, and note the community number, panel number, flood zone, map revision information, and any base flood elevation shown. Ask the local floodplain administrator whether a preliminary map, pending revision, or local study also affects the property.
FEMA uses A and V designations for high-risk areas. Zones B, C, and X may indicate moderate or lower mapped risk, depending on the designation. Lower risk does not mean no risk. FEMA's map guidance says flood maps are used for insurance purchase requirements, building-code requirements, and floodplain management. Each of those is a separate question, so a lender's determination should not be treated as a complete property review.
- Save the effective FEMA map and the search result for the correct structure
- Check whether the parcel contains more than one flood zone
- Locate the building, driveway, parking, utilities, septic components, and proposed work on the site
- Ask about recent or pending map changes and any Letter of Map Amendment or Revision
- Confirm the current requirements with the local floodplain administrator, insurer, lender, surveyor, and attorney
Do not confuse the parcel with the building
A floodplain boundary may cross one corner of a large parcel while missing the building. The opposite problem is also possible: a map search can place a point on the wrong part of the property or fail to show a low opening, walkout level, or utility location that affects actual damage. Online maps are good screens, but they cannot replace field elevations where a few feet matter.
Michigan EGLE says floodplain maps are guides and that the most accurate way to locate the floodplain is an elevation survey by a licensed land surveyor or professional engineer. Ask whether an Elevation Certificate already exists in the local building file. EGLE notes that it generally does not maintain those certificates and that a local building department may have one for a building constructed after 2000. If the available certificate is old, incomplete, or inconsistent with later additions, grading, or mechanical changes, ask the surveyor and insurance professional what current work is needed.
Read the elevations beside the building inspection. Identify the lowest floor, basement or crawlspace, foundation openings, exterior grades, wells, electrical panels, heating equipment, water heaters, and other utilities. A map zone says little about the cost of replacing equipment installed at floor level or the route water may take through a window well, garage, drain, or below-grade entrance.
Reconstruct the property's water history
Ask for seller disclosures, prior flood and water claims that may lawfully be provided, repair invoices, permits, photographs, engineering reports, elevation records, drainage work, waterproofing records, and correspondence with insurers or public agencies. Separate river or lake flooding from groundwater, sewer backup, roof leaks, failed plumbing, and surface drainage. They may leave similar stains while raising different insurance and repair questions.
Walk the exterior after studying the records. Look for patched foundation walls, fresh finishes confined to the lower level, high-water marks, efflorescence, corroded equipment, altered window wells, blocked drainage paths, fill, retaining walls, and utilities that appear newer than the surrounding building. None of these proves a flood. They are reasons to ask the inspector, surveyor, engineer, insurer, or contractor for a more specific answer.
West Michigan review should follow the water that can reach the site. River corridors along the Grand, Kalamazoo, Muskegon, and smaller tributaries raise different questions than a Lake Michigan shoreline, an inland lake, a county drain, or a low urban lot. Verify the responsible city, village, township, county, drain office, and state or federal agency instead of assuming one office has every record.
Check what can be repaired or changed
The condition of the building today is only half of the question. A buyer also needs to know what happens after damage or when the IRA wants to alter the property. Michigan EGLE explains that construction and fill in a floodplain can be subject to state and local standards, and that floodway areas carry stricter limits. Local ordinances and current building requirements may control elevation, flood-resistant construction, additions, utility placement, and substantial improvements or repairs.
Take any planned addition, change of use, parking work, grading, shoreline work, foundation repair, or mechanical relocation to the responsible authorities before assigning it a budget. Ask what permits and engineered plans would be required, whether prior work was approved, and whether a major casualty would trigger standards that do not apply to ordinary maintenance. A contractor's willingness to price a project is not government approval of it.
Get insurance terms for the actual ownership and use
FEMA's National Flood Insurance Program states that most homeowners, renters, and business policies do not cover flood damage. That makes the ordinary property policy and flood coverage separate parts of the review. Give the insurance professional the proposed IRA ownership language, building type, rental or commercial use, occupancy, construction details, elevation information, lender requirements, and property-management arrangement. A quote based on owner occupancy is not a reliable quote for an IRA-owned rental.
Read the coverage rather than carrying only the premium into the budget. Under the NFIP, building and contents coverage are generally purchased separately and have separate deductibles. FEMA also lists limits and exclusions involving basements, property outside the insured building, septic systems, temporary housing, and business interruption. Private flood policies may use different terms. Ask the insurance professional to compare the actual forms, limits, deductibles, waiting periods, exclusions, claim valuation, and renewal conditions that would apply to this property.
If financing is involved, obtain the lender's written flood determination and insurance requirements. FEMA says flood insurance is mandatory for federally backed mortgages on property in participating communities when the building is in a high-risk A or V zone. A non-recourse lender may impose its own requirements regardless of that federal rule. The lender, custodian, attorney, and insurance professional should resolve the required insured name, mortgagee language, coverage amount, premium payment, and closing evidence before the financing contingency expires.
Price the weak points, not an average repair
Turn the survey, inspection, map, and insurance review into property-specific numbers. A useful scope may include elevating utilities, correcting drainage, adding approved flood openings, repairing a foundation, replacing lower-level finishes with suitable materials, relocating storage, or protecting access. The appropriate work depends on the building and current rules. Have qualified professionals design it and obtain written estimates that include permits, engineering, access, demolition, disposal, and restoration.
Keep uncovered costs visible. A flood policy may not pay for every damaged item, code upgrade, lost rent, site feature, or temporary arrangement. Deductibles may apply separately, and insurance availability or price can change. Do not offset a known exposure with assumed rent, full occupancy, appreciation, insurance proceeds, or a future refinance. None of those outcomes is guaranteed.
Keep tenants and the IRA in the operating plan
For rental property, decide who receives weather alerts, checks the building, communicates with tenants, documents damage, contacts the insurer, arranges lawful entry, and coordinates repairs. Emergency planning, notices, temporary arrangements, repairs, accommodations, and leasing decisions must comply with the Fair Housing Act and applicable Michigan and local protections. Apply safety procedures consistently and have Michigan counsel review tenant obligations for the specific property.
Ask the self-directed IRA custodian how survey fees, insurance premiums, inspections, engineering, permits, emergency work, deductibles, and repairs must be authorized and paid. Confirm where claim checks, refunds, rent-loss payments if covered, and other property proceeds must go. The IRS identifies improper use of IRA assets and furnishing goods or services between a plan and a disqualified person as prohibited-transaction concerns. Do not assume the owner can personally buy materials, perform mitigation work, advance an insurance premium, or pay an emergency contractor and settle up later.
This article is educational, not legal, tax, financial, insurance, engineering, floodplain, fair-housing, retirement-plan, or investment advice. No property, map designation, policy, ownership structure, or strategy is approved or endorsed by the IRS. Have your own self-directed IRA custodian, CPA, Michigan attorney, surveyor, engineer, inspector, insurance professional, lender, property manager, local floodplain administrator, EGLE, and other qualified advisors review the account, property, records, coverage, and proposed work before taking action.
Leave the decision in one flood-risk file
Keep the effective FEMA map, local floodplain correspondence, Elevation Certificate or survey, permits, seller disclosures, claim and repair records available to the buyer, inspection findings, photographs, insurance quotes and forms, lender requirements, mitigation estimates, custodian instructions, and closing documents together. Add the expiration date for each quote and a short list of unanswered questions. A map screenshot without the building records is not a finished review.
Primary sources for this review include FEMA's Flood Map Service Center and National Flood Insurance Program guidance on flood zones, coverage, and policy purchase; Michigan EGLE's Floodplain Management pages and FAQs; HUD's Fair Housing Act overview; and the IRS prohibited-transaction guidance. They provide the general framework. The answer for one property comes from current maps, field measurements, policy forms, public authorities, and the buyer's own qualified professionals.
Rennie can help identify Michigan property and coordinate the real estate records, site access, insurance questions, and offer deadlines. Floodplain determinations, engineering, insurance coverage, legal conclusions, and retirement-account decisions stay with the buyer's own professionals and public authorities.
Educational information only, not legal, tax, or investment advice. Self-directed IRA transactions must be reviewed with your own custodian, CPA, and attorney. Not all retirement funds are eligible to move, and not all properties or strategies fit IRA rules.

Rennie Barton
Realtor®, Broker/Owner, City2Shore Arete Collection. Rennie helps West Michigan buyers locate and evaluate real estate. His clients make retirement-account decisions with their own custodian, CPA, and attorney.
