--- title: "Give your AI an appraisal practice file so comp selection follows your method" description: "Record market boundaries, adjustment methods, and client report rules in a file your AI reads, so comp and report drafts follow your practice." canonical: "https://scalewithsearch.com/articles/ai-for-appraisers" date: "2026-01-28" modified: "2026-09-25" --- ## Site navigation - [Scale With Search](https://scalewithsearch.com/) - Real estate - Real estate - [Real estate](https://scalewithsearch.com/for/real-estate) - Work - Start here - [Send your brief](https://scalewithsearch.com/work#send-your-brief) - [Prepare your six-question brief](https://scalewithsearch.com/work#prepare-your-six-question-brief) - Build - [Site build, content library with SEO, signal desk](https://scalewithsearch.com/work) - For your business - Trades and home services - [Auto body and collision shops](https://scalewithsearch.com/for/auto-body-and-collision-shops) - [Foundation and home repair contractors](https://scalewithsearch.com/for/foundation-and-home-repair) - 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You carry years of market data, comparable analysis habits, client requirements, and adjustment methods. When you ask AI to help with comp selection or report language, you explain your criteria, your market, and your adjustments again. The next assignment starts from zero. The assistant does not know which market you cover or how you adjust for a finished basement. One practice file fixes most of this. The assistant reads it at the start of each session. Your market boundaries, adjustment method, client requirements, and comp notes are there before the first question. ## Why appraisal work needs a persistent record Appraisal work is comparative. Your market knowledge and adjustment method do not change with each assignment, but a chat tool treats each conversation as the first. Two failures repeat: - You ask for help with comps. The assistant suggests sales from another neighborhood because it does not know your market boundaries or how you define a comparable area. - You draft for a repeat client. A lender has a required form, an appraisal management company (AMC) has format rules, and an attorney wants a detailed land analysis. You explain each requirement again. The model is not the problem. The assistant has no record of your practice to read. For why a plain file is a durable home for that record, see [why plain text is the durable layer for AI memory](/articles/plain-text-ai-memory). ## What the practice file holds Keep one Markdown file at the root of your practice folder. Claude Code reads a file named `CLAUDE.md` when a session starts, so that name is the simplest choice. The file holds five sections. The **market area** section lists the counties, cities, and neighborhoods you cover, with a boundary definition for each. When the assistant screens comps, it stays inside those boundaries. The **adjustment method** section records how you value features: garage spaces, finished basements, lot size premiums, condition ratings. Each line names the support, such as a paired-sales set or a regression note, and the date you last checked it. The **client requirements** section lists each lender form, each AMC turnaround and format rule, and each attorney report format. The **comp notes** section links to recent sales you used, with analysis notes and adjustment rationale. It names the file in your comp database. It does not copy the whole database. The **market trends** section records neighborhood appreciation, inventory, and buyer preferences as you observed them, each with a date. Here is a short example: ```text ## Market area Area A: north of the river, east of Route 9. Exclude the lakefront subdivision. Comp search: 6 months first, then 12 months with a time adjustment note. Distance: 1 mile first; widen only with a written reason. ## Adjustment method (checked 2026.08.30) Garage bay: see adjustments/garage-2026.md (paired sales, 7 pairs) Finished basement: see adjustments/basement-2026.md Condition rating step: see adjustments/condition-2026.md ## Clients LENDER-03: required addendum, photo order, 48-hour revision window AMC-07: turnaround rule and file-name format in clients/amc-07.md ATTY-02: detailed land analysis section; site map required ``` ## A week with the file in place **Monday.** A residential assignment arrives. You export candidate sales from your data source and ask the assistant to screen them. It filters by your boundaries, applies your time and distance rules, and flags sales that match your written selection criteria. You pick the comps. **Tuesday.** A property has unusual features. You discuss the approach with the assistant. It reads your method files, points to how you treated similar properties before, and helps you document the rationale. **Wednesday.** A lender wants a rush report on its own form. The assistant drafts the narrative sections in that lender's format with its required disclosures. **Thursday.** A lakefront assignment needs a waterfront adjustment. The assistant pulls your prior waterfront analysis and the sales behind it. You test whether the range still holds. **Friday.** You review the year. The assistant summarizes activity from your assignment notes and drafts market commentary from your dated observations. In each case the assistant applies your method. The support for an adjustment still comes from your market data, not from the model. ## Set up the folder 1. Install Claude Code. It needs a paid Claude plan or an API account; the free plan does not include it ([Claude Code: Advanced setup](https://code.claude.com/docs/en/setup), checked 2026.09.25). 2. Create a practice folder. Obsidian is optional; it works offline during an inspection, and any folder of Markdown files works. 3. Write `CLAUDE.md` with the five sections above. 4. Put adjustment support, client requirements, and comp notes in linked files. 5. Start Claude Code in the folder. Ask it to state your market boundaries back to you. Plan about 30 minutes for the structure. The content grows with each assignment. After you complete an appraisal, add the notable comps. After you refine a method, update the method file and its date. After you take on a new client, record its requirements. The assistant sees each change at the next session. There is no training step. You edit text and the assistant reads it. When a method changes, record the old rule, the new rule, and the reason. The [correction log template](/articles/ai-correction-log-template) gives a format that stops an old adjustment from coming back. ## What the file replaces You stop keeping comp spreadsheets that drift out of date and client requirements buried in folders. You stop relying on memory for adjustment factors. The practice file becomes your method manual. You maintain it. The assistant reads it. You can copy sections into a report when a reviewer asks how you support an adjustment. The first question in a session changes too. It is no longer "What area do you cover?" It is the appraisal question itself. ## Six uses that pay off first | Use | What the assistant does | What you still decide | |---|---|---| | Comp screening | Screens an export against your boundaries, time limits, and property type criteria; flags sales that need a closer look | Which sales are comparable | | Adjustment consistency | Applies the same written method for basement finish, garage conversion, and lot size across similar assignments | Whether the support still holds | | Client deliverables | Builds each lender or AMC structure, disclosure set, and attachment format from the file | Final content of the report | | Market analysis | Drafts the market conditions section from your dated observations and assignment data | The market conclusion | | Complex properties | Finds past complex assignments so similar features get similar treatment | The approach for this property | | Pre-submission review | Checks the draft against the client checklist, required sections, and your written method | Release to the client | ## Test the file on one assignment Run three checks in a fresh session before you rely on the file. 1. Ask "Which sales in this export are outside my market area?" with a small export of ten sales. Pass: the assistant names the sales outside the written boundary and cites the boundary line. Fail: it accepts every sale or invents a boundary. 2. Ask "How do I adjust for a second garage bay?" Pass: it points to the adjustment file and its date. Fail: it states a dollar figure from general knowledge. 3. Ask "What does LENDER-03 require?" Pass: it lists the addendum, photo order, and revision window. Fail: it describes a generic lender. A fail on the first check usually means the boundary text is vague. Rewrite the boundary with road names and exclusions, then run the check again. ## Limits and stopping points The assistant does not develop the value opinion, sign the report, or certify anything. You remain responsible for the credibility of the assignment results under the standards that govern your license. Assignment files often hold confidential information. Claude Code sends the content it reads to the model provider over the network. [Claude Code: Data usage](https://code.claude.com/docs/en/data-usage) Keep borrower names and confidential assignment details out of the practice file. Use assignment IDs. Check your data license before you export listing data into any AI tool. The [client data guide](/articles/client-data-in-ai-agent-memory) lists what to keep out. Give the assistant one job at a time, with named sources and a clear end. 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