Lease Review Analyzer
When reviewing any commercial lease, whether for a new deal or renewal negotiation.
Commercial leases are where the real money hides in the fine print. The headline rent is rarely the full story, operating-expense pass-throughs, uncapped CAM charges, restoration obligations, and renewal mechanics can swing the true cost of occupancy dramatically over a multi-year term. A structured lease review forces every one of these provisions into the open so your client signs with eyes wide open.
Claude is well suited to this kind of methodical, provision-by-provision work. Give it the property type, lease structure, term, and rent, and tell it whose side you are on, and it walks each clause, CAM, maintenance splits, assignment rights, default and cure, renewal options, flagging what is market standard versus aggressive, rating risk, and proposing markup language. For a busy real estate practitioner, it is a fast, cost-effective way to build the backbone of a redline.
The analysis is a drafting aid, not the final word. Local market norms, jurisdiction-specific landlord-tenant rules, and the specific economics of your deal all require your judgment, and you must verify each finding against the actual lease text. Use the output to organize and accelerate your review, but the redline you deliver, and the advice behind it, remain yours. This is not legal advice.
The Prompt
Review the following lease from the [TENANT/LANDLORD] perspective: Property type: [e.g., office, retail, industrial, multifamily] Lease type: [e.g., NNN, modified gross, full service] Term: [DURATION] Annual rent: [AMOUNT] Analyze each provision and identify: 1. Base rent, escalations, and total cost of occupancy 2. CAM charges — how calculated, capped, auditable? 3. Maintenance split — who handles structural, HVAC, plumbing, cosmetic? 4. Assignment and subletting — consent standard, recapture rights, profit sharing 5. Default provisions — notice periods, cure rights, cross-default 6. Renewal options — terms, notice deadlines, rent reset mechanism 7. Early termination — rights, penalties, conditions 8. Insurance requirements — types, limits, additional insured 9. Exclusive use and co-tenancy (retail) 10. Restoration and surrender obligations For each provision, note: - Whether it's market standard or non-standard - Risk level for my client (HIGH/MEDIUM/LOW) - Recommended revision language Lease: [PASTE LEASE TEXT]
Example Output
A section-by-section analysis with market comparison, risk ratings, and specific markup suggestions.
Illustrative example — names, figures, and facts are fictional.
LEASE REVIEW — TENANT PERSPECTIVE Property: 12,000 SF retail, Building C, Lakeside Commons Lease type: NNN | Term: 7 years | Base rent: $28.00/SF PROVISION-BY-PROVISION FINDINGS Base Rent & Escalations — MARKET / LOW RISK Fixed 3% annual bumps. In line with market for this submarket. CAM / Operating Expenses — NON-STANDARD / HIGH RISK CAM is uncapped and includes "capital improvements" and landlord's administrative fee of 15%. Recommend: Cap controllable CAM at 4%/yr; exclude capital expenditures and roof/structure; reduce admin fee to 5%; add annual audit right. Maintenance Split — NON-STANDARD / HIGH RISK Tenant responsible for HVAC replacement and structural repairs. Recommend: Landlord retains roof, foundation, and structure; cap Tenant HVAC repair obligation, replacement at Landlord's cost. Assignment & Subletting — NON-STANDARD / MEDIUM RISK Landlord consent "in its sole discretion" plus 100% profit recapture. Recommend: "Not to be unreasonably withheld"; permitted transfers to affiliates without consent; 50/50 profit split. Renewal Option — MEDIUM RISK One 5-year option at "then-prevailing market rate"; notice 12 months prior. Recommend: Add rate collar (e.g., not less than/more than X%); shorten notice to 9 months. Default / Cure — MEDIUM RISK 3-day monetary cure; no notice required after second default. Recommend: 5 business days with written notice each time. Exclusive Use — MISSING No exclusive or co-tenancy protection. Recommend adding a use exclusive and a co-tenancy remedy. Top priorities: CAM cap and maintenance split drive the largest dollar exposure. Note: All terms and figures are illustrative. Confirm against the actual lease and local market before negotiating.
Tips
- •Specify the property type — retail leases have different market terms than office leases.
- •Ask about local market norms if you're unfamiliar with the jurisdiction.
- •Pay extra attention to the operating expense and CAM provisions — that's where hidden costs live.
Frequently Asked Questions
When in a deal should I use the lease review analyzer?
Use it on any commercial lease, whether a new deal or a renewal, before you begin marking up the document. It is most valuable early, when you are building your redline strategy and need a quick map of which provisions are market standard and which need negotiation. It works for office, retail, industrial, and multifamily leases alike.
Does this replace a lawyer's lease review?
No. The analyzer is a first-pass aid that organizes the lease and flags likely issues; the responsibility for the review stays with you. Local market norms, jurisdiction-specific landlord-tenant law, and your client's particular business needs all require attorney judgment. Verify every flagged provision against the actual lease text before relying on it.
How do I get the most useful analysis?
Specify the property type, lease structure (NNN, modified gross, full service), term, rent, and crucially whether you represent the tenant or landlord, since risk flips by side. Retail and office leases carry different market terms, so naming the asset type sharpens the comparison. Paste the full lease, including exhibits, work letters, and any rider, so nothing buried is missed.
Is it safe to upload my client's lease to an AI tool?
Be deliberate about confidentiality. Model Rule 1.6 and ABA Formal Opinion 512 require you to safeguard client information and understand how a tool stores and uses inputs. Avoid pasting sensitive deal terms or client identifiers into consumer AI lacking adequate data protections; prefer an enterprise or no-retention setting, and obtain client consent where appropriate.
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