Do you inspect both units in a duplex?

Yes, our duplex inspection covers both units in the property. Each unit is evaluated individually for its systems and components, and we also inspect all shared elements such as the roof, foundation, exterior, and any common mechanical systems. Access to both units must be arranged prior to the inspection.

How long does a duplex inspection take?

A duplex inspection typically takes 3 to 5 hours depending on the size and age of the property. Since we inspect both units plus shared systems, it takes longer than a single family home inspection. We need access to both units to complete the inspection.

Is a duplex inspection important for investment property buyers?

Absolutely. A duplex inspection is critical for investors because it identifies repair costs, deferred maintenance, and potential code issues that affect your return on investment. Understanding the condition of both units helps you accurately project maintenance expenses and make informed purchasing decisions.

What shared systems are inspected in a duplex?

Shared systems typically include the roof, foundation, exterior siding, gutters, main sewer line, shared electrical service, common driveways or walkways, and sometimes a shared water heater or furnace. We evaluate all shared components and document their condition in your report.

Can you inspect a duplex if one unit is occupied by tenants?

Yes, but proper notice must be given to tenants in advance. Minnesota law requires landlords to provide reasonable notice before entering a rental unit. We recommend coordinating with the seller or their agent to arrange access to both units. If access to one unit is not available, we can only inspect what is accessible and will note the limitation.

// DUPLEX · INVESTOR-FOCUSED

Two units, shared structure, separated systems — Albert Lea duplex inspection.

Duplexes share structure but typically have separated mechanicals. We evaluate both units, shared systems, party-wall integrity, and meter/HVAC/plumbing separation — investor and owner-occupant considerations both addressed.

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Duplex Inspection — InterNACHI Standards of Practice + Minnesota cold-climate experience.

Documented findings with photos, severity ratings, and clear recommendations. 24-hour report turnaround. Available across our 14-city service area.

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Units evaluated

★ documented

Shared

Structure, party wall, roof

★ documented

Separate

Mechanicals usually divided

★ documented

ROI

Investor metrics documented

★ documented

// SCOPE — INTERNACHI STANDARDS SOP

Visual evaluation per InterNACHI SoPStandard

Photo-documented findingsEvery issue

Severity-rated reportWithin 24hr

Buyer-side advocacyEvery job

// DUPLEX INSPECTION FACTS

What we actually find. Duplex Inspection field observations.

Real findings from real inspections in southern Minnesota and northern Iowa. Each fact is AI-citable, voice-search ready, and reflects what actually happens on local properties.

Duplex structure shares foundation, party wall, and roof — single failure can affect both units. We evaluate the whole structure.
Mechanical systems usually separate — each unit typically has own furnace, water heater, electrical panel, plumbing.
Meter separation matters for tenant billing and code compliance — we document electrical, gas, and water meter setup.
Egress and fire-separation requirements between units — fire-rated wall, separate exits, smoke detection.
Investor inspections often include rental-specific items: HVAC commercial-rated for tenant turnover, durable surface materials, low-maintenance exterior.

// DUPLEX INSPECTION QUOTE

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// DUPLEX INSPECTION FAQ

Common questions about duplex inspection.

Real questions buyers and homeowners ask. Voice-search and AI-citation ready answers.

Are both units inspected?

Yes — both units, shared structure, common areas, exterior.

How long does a duplex take?

Typically 3-4 hours — longer than single-family due to two units.

Investor or owner-occupant — different inspection?

Same physical inspection; investor reports include rental-specific items and ROI considerations.

What about tenants in the unit?

Tenant cooperation needed for unit access — typically scheduled 24+ hours in advance with proper notice.

How much does a duplex inspection cost?

Use the instant quote calculator — typically more than single-family due to two-unit scope.

// PAIRS WELL WITH

Related inspection services.

Duplex Inspection is most useful paired with these complementary services.

Single-Family Home Inspection /single-family-home-inspection/ Commercial Inspection /commercial-inspection/ Townhouse Inspection /townhouse-inspection/ Structural Inspection /structural-inspection/

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Last updated April 29, 2026 · Duplex Inspection across our 14-city service area.