fannie mae appraisal flagged basement wall moisture in atlanta ga - $25k valuation cut, how to challenge with prv report?

Question

our home sale in atlanta (buckhead) just got derailed by the lender's appraiser. the fannie mae appraiser noted 'elevated moisture readings and active microbial growth along the daylight basement foundation wall' and slashed our appraised value by $25,000 as a subject-to repair condition.

the buyer still wants the house, but their loan amount is short by $25k.

can we challenge this appraisal through a formal Reconsideration of Value (ROV) by doing certified moisture sealing and PRV testing? what does the appraiser need to see to remove the $25k deduction?

Antonio · Accepted Answer

Direct Answer:  You can successfully challenge and reverse a $25,000 appraisal reduction by submitting a formal Reconsideration of Value (ROV) package containing: (1) an IICRC S520 remediation completion invoice, (2) an independent PRV laboratory spore clearance report, and (3) a warranty certification for crystalline foundation waterproofing. 
 Under Fannie Mae Selling Guide Section B4-1.3-06, appraisers must condition repairs on 'Subject to Completion' whenever property conditions compromise structural soundness or livability. In Atlanta's red clay soils, hydrostatic groundwater pressure drives moisture through subterranean block walls, driving concrete relative humidity above 85%. 
 Here is the 3-step appraisal reversal protocol: 
 
    Targeted Remediation:  Strip bottom 24 inches of affected drywall, scrub framing, and HEPA vacuum. 
    Crystalline Deep Foundation Sealing:  Apply hydrophilic crystalline moisture barrier to block hydrostatic pressure. 
    Third-Party PRV Air Testing:  Collect spore trap air cassettes confirming normal interior fungal ecology. 
 
 Call our Atlanta emergency unit at  (855) 215-6261  for immediate on-site response.

danielle_w_appraiser · Answer

As a Certified Appraiser: When we do a 'Subject to Repair' appraisal, we cannot remove the condition until the lender provides a Form 1004D Certificate of Completion with photos and the certified remediation clearance letter.

Follow Antonio's protocol and your lender will order the 1004D reinspection.

david_r_inspector · Answer

Buckhead red clay is notorious for hydrostatic push. Make sure the contractor extends downspouts at least 6 feet away from the foundation outside as well.

brian_t_gc · Answer

Crystalline sealants work wonders on block. They penetrate deep into concrete pores and crystallize when contacting water, permanently blocking the capillary pressure.

carlos_m_fl · Answer

OP Update:  Remediated in 36 hours, PRV lab report was spotless. Appraiser came back for the 1004D reinspection yesterday and restored the full $25,000 value!

danielle_w_appraiser · Answer

Outstanding! That is textbook execution for an appraisal condition cure.

Antonio · Answer

Congratulations Carlos! Having the PRV lab documentation in hand is what makes appraisers 100% comfortable removing value conditions.

fannie mae appraisal flagged basement wall moisture in atlanta ga - $25k valuation cut, how to challenge with prv report?

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