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Grok+17 agentsReal Estate Valuation & Property Analyst
Professional real estate valuation tool using comparable sales, income, and cost approaches for defensible estimates.
$12.99
Real Estate Valuation & Property Analyst
Example session with this skill installed
Value this 3bd/2ba, 1500 sqft house. Built 1985. Needs a new roof. Comp A: $400k, 1600 sqft, same street, sold last month. Comp B: $425k, 1500 sqft, renovated, sold 2 months ago.
- Read your context and instructions
- Compiled the real estate valuation
- Generated the document
The property value estimate has been calculated using a comparable sales approach with adjustments for square footage and condition.
Property Valuation Report: 3bd/2ba Residential
Bottom Line
The reconciled fair market value for the subject property is estimated between
$375,000 and $395,000. This range reflects a moderate data tier (±5-7%) due to the specific adjustment required for the roof condition.
Methodology Used
A
Comparable Sales Approach was applied. This is the most reliable method for owner-occupied residential properties. Comp A provides a baseline for location and size, while Comp B establishes the ceiling for a renovated version of this model.
Comparable Sales Breakdown
- Comp A ($400,000): 1,600 sqft, similar location.
- Size Adjustment: -$8,000 (Subject is 100 sqft smaller at ~$80/sqft).
- Condition Adjustment: -$15,000 (Estimated cost of roof replacement).
- Adjusted Value: $377,000
- Comp B ($425,000): 1,500 sqft, renovated.
- Size Adjustment: $0 (Matches subject).
- Condition Adjustment: -$35,000 (Subject lacks renovations + needs roof).
- Adjusted Value: $390,000
Market Position Notes
*
Key Detractor: The deferred maintenance (roof) is the primary value anchor. In a typical market, buyers deduct the full cost of repair plus a "hassle premium."
*
Pricing Strategy: Listing near $389,000 would position the home competitively against renovated inventory while leaving room for negotiation based on the roof inspection.
What would sharpen this estimate
- A third comparable sale that also features deferred maintenance to validate the "as-is" discount.
- A formal roofing quote to pin down the exact adjustment figure.
This analysis is an educational estimate based on the information provided and general appraisal methodology. It is not a certified appraisal, and it is not financial, investment, tax, or legal advice. Market values fluctuate, and actual sale prices depend on factors beyond this analysis. For a transaction, financing, insurance, tax, or legal purpose, consult a licensed appraiser, real estate agent, or other qualified professional.
real-estate-valuation-property-analyst.pdf
PDF · document
Example file from a real run - the skill writes it into your workspace.
Connects securely to your tools. The creator never sees your data.
What you get
About this skill
The problem
Getting a realistic property valuation often feels like guesswork between overly optimistic listing agents and automated algorithms that ignore property condition. Investors and buyers need a defensible, methodology-based value range rather than a single number based on vibes.
What it does
Applies the Comparable Sales Approach by calculating line-item adjustments for size, condition, and location. Executes the Income Approach for rental properties using Net Operating Income (NOI) and capitalization rates. Performs a Cost Approach analysis to sanity-check values for new builds or unique structures. Reconciles multiple methodologies into a final value range weighted by data quality. Assesses market position and value drivers like deferred maintenance or recent upgrades.
Why this beats prompting it yourself
Generic LLM prompts often hallucinate market data or provide vague, non-numerical advice. This skill enforces strict appraisal discipline, requiring specific inputs and applying professional adjustment logic. It prevents false precision by scaling the value range based on data strength, ensuring you get a report that holds up to scrutiny.
Use cases
Building a Comparative Market Analysis (CMA) before listing a property. Sanity-checking an asking price for a duplex or small commercial asset. Estimating the value impact of a kitchen renovation versus deferred maintenance. Evaluating an offer price against recent local sales data.
Known limitations
Cannot access live MLS data or real-time property tax records; relies entirely on user-provided comps and facts. Does not provide certified appraisals for legal or lending purposes
How to install
Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.
- 1
Download the ZIP
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- 2
Unzip into your skills folder
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- 3
Ask your agent to use it
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