Definition
The inspection period (often called the due diligence period) is the time after a purchase agreement is signed when the buyer investigates the property and verifies underwriting assumptions. During this window, the buyer typically has defined rights to inspect, review documents, and in many contracts terminate (or request concessions) before the earnest money becomes fully non-refundable (“goes hardâ€).
What Happens During the Inspection Period
The inspection period is where a deal becomes “real.†Buyers validate the physical asset, the income stream, and the legal/operational risk profile.
1) Physical due diligence
- General property condition assessment: roofs, structure, envelope, drainage, safety items
- Systems: HVAC, plumbing, electrical, fire/life safety, elevators (if applicable)
- Unit walks: verify finishes, make-readies, deferred maintenance, renovation scope
- Environmental: Phase I (and Phase II if needed), asbestos/lead/mold (as applicable)
- ADA/code issues: potential compliance or life-safety exposure
2) Financial and operational review
- Rent roll & leases: verify rates, concessions, deposits, lease terms, delinquency
- T-12 / trailing financials: validate income/expenses and normalize anomalies
- Utility bills: confirm RUBS, master-meter costs, and reimbursement assumptions
- Service contracts: property management, landscaping, pest control, security
- Capex history: prior renovations and remaining useful life of major components
3) Legal and title diligence
- Title & survey: easements, encroachments, liens, access, legal description
- Zoning: permitted use, nonconforming status, parking requirements
- Permits and violations: open permits, code violations, outstanding orders
- Entity/closing docs: PSA compliance, estoppels, SNDAs (when applicable)
Typical Timelines
Inspection periods vary by market and asset complexity. A simple transaction might have a short inspection window, while larger commercial deals often require more time.
- Smaller assets: commonly 7–21 days
- Mid-size multifamily/commercial: commonly 21–45 days
- Large/complex deals: 45–60+ days, especially with extensive reports or tenant estoppels
Why It Matters
Your inspection period is your primary risk-control window. It determines how much time you have to uncover problems, reprice risk, and either renegotiate or walk. A short inspection period can force shallow diligence and increase the odds of expensive surprises post-close.
How Buyers Use the Inspection Period Strategically
- Confirm the story: validate that pro forma assumptions are real, not just broker narrative.
- Quantify defects: translate issues into line-item costs (capex, opex, lost revenue, timing).
- Re-trade responsibly: request credits or price reductions tied to documented findings.
- Set the post-close plan: finalize scope, bids, staffing, and first 90-day execution.
Example
A buyer signs a PSA with a 30-day inspection period and $200,000 earnest money that becomes non-refundable after day 30. During inspections, the buyer discovers:
- Roof repairs needed: $85,000
- Plumbing failures in multiple stacks: $60,000
- Actual utility costs higher than underwriting: $2,500/month
The buyer can use the findings to request a credit/price adjustment, revise the business plan, or terminate before the earnest money goes hard.
Common Pitfalls
- Starting late: waiting a week to schedule vendors can waste most of the diligence window.
- Over-relying on seller materials: rent roll and T-12 mistakes are common—verify everything.
- Incomplete unit walks: sampling too few units can miss systemic issues (plumbing, mold, wiring).
- Not coordinating lender diligence: appraisal/ESA/PCA delays can blow the closing timeline.
- Vague termination rights: unclear language can limit your ability to exit cleanly.
- Ignoring timing costs: repairs and delays can reduce revenue and extend hold/renovation schedules.