You have hired a home inspector. The report comes back with the usual items — some roof shingles showing wear, a GFCI outlet that needs updating, and a note that the crawl space "appeared accessible and dry." You buy the house. Eight weeks later, in October, you find mouse droppings in the kitchen and hear scratching in the walls every night. The home inspector did not lie. They just did not look at the same things a rodent inspection looks at.
What a General Home Inspection Does Not Cover
A licensed Virginia home inspector follows the Virginia Home Inspector Licensing Board's Standards of Practice. Those standards cover the major systems of the home — roof, structure, plumbing, electrical, HVAC, insulation and ventilation, windows and doors. They do not require a systematic assessment of rodent entry points, crawl space vent screen condition, pipe penetration sealant status, or the evidence of past or current rodent activity that a dedicated pest inspection looks for.
A home inspector entering the crawl space is looking at the foundation, vapor barrier, and visible structural elements. They are not running a flashlight along every vent screen, pressing on the mesh to test for corrosion, or looking at the pipe penetrations in the context of a rodent exclusion assessment. These are different tasks requiring different knowledge and a different inspection framework.
Why This Matters Especially in Henrico County
Henrico County's housing market includes a significant stock of pre-1980 construction — the Chamberlayne corridor, Lakeside, Sandston, Highland Springs, older sections of Glen Allen, and much of the East End. These homes are in the construction era where crawl space vent screens are galvanized metal that has been corroding in Virginia's humidity for 40 to 80 years. Many of them have pipe penetrations that were sealed at installation and have not been touched since. Many have HVAC systems added or updated after original construction, which creates new penetrations that were not sealed to rodent-proof standard.
A buyer purchasing one of these homes in August who does not get a rodent inspection will typically discover the problem in October — after they have moved in, after the seller has moved on, and after the real estate transaction is closed. The entry points that the fall mouse push exploits were present before closing. They just were not looked for.
What a Pre-Purchase Rodent Inspection Covers
A dedicated rodent exclusion inspection before purchase covers:
- Crawl space entry: Systematic assessment of all vent screens — condition, size, attachment integrity. Identification of any failed or partially failed screens. Assessment of pipe penetrations through the foundation wall for gaps and sealant integrity.
- Exterior foundation walkthrough: All utility entry points — gas lines, water supply, condensate drains, electrical conduit — assessed for gap size and sealant condition. Foundation crack assessment at and above grade.
- Garage and attached structure assessment: Garage door floor seal condition, wall penetrations between garage and living space, garage slab gaps at the foundation interface.
- HVAC penetrations: Line set penetrations at the exterior wall, condensate drain exit points.
- Roofline (where accessible): Gable vent screen condition, soffit gaps, roof deck interfaces.
- Activity evidence: Any current or past rodent activity evidence — droppings (fresh or old), gnaw marks, nesting material, grease marks — documented with location.
The result is a written report that tells you exactly what entry points exist, whether there is current or recent activity, and what exclusion work needs to be done. This is information you can use in the negotiation process before closing — asking the seller to credit the exclusion cost, asking them to complete it as a condition of sale, or simply knowing what you are taking on and budgeting accordingly.
How Much Does a Pre-Purchase Inspection Cost?
A residential pre-purchase rodent inspection is $75 to $150 depending on property size. This is a small fraction of what a first-year exclusion and treatment job costs if you discover the problem after move-in — which typically runs $500 to $1,000 for an older Henrico home with multiple entry points. The inspection cost is also potentially negotiable as part of the transaction if it reveals significant exclusion work needed.
When Is a Pre-Purchase Inspection Most Important?
A pre-purchase rodent inspection is most important for:
- Pre-1980 construction with crawl space foundations — particularly in Chamberlayne, Lakeside, Sandston, Highland Springs, and older sections of Glen Allen
- Homes adjacent to drainage corridors, creek banks, or commercial areas — higher outdoor rodent pressure
- Homes that were occupied as rentals at any point — rental properties in the Henrico market often have deferred maintenance in crawl space and exterior areas
- Homes with mature tree canopy overhanging the roofline — roof rat risk in western Henrico (Short Pump, Wyndham)
- Any home being purchased in July through October — you will move in during or just before the fall rodent push
Scheduling
A pre-purchase inspection can typically be scheduled within your inspection contingency period and completed before closing. Call us at (804) 606-1376 to schedule. We are available 5:00 AM to 11:00 PM ET, every day, and can often accommodate short-turnaround timelines during the inspection period.
Related Reading
- Rodent Inspection Service
- Exclusion and Entry Point Sealing
- Why Henrico Homes Are Especially Vulnerable in Fall
- Henrico County Rodent Control Coverage
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