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Home Value Estimator

Estimate a home's value from square footage, bedrooms, bathrooms and lot size using a local price-per-square-foot comp and per-room adjustments. See the full breakdown and export the estimate.

Property
Comps & Adjustments
Live Estimate
$0
Estimated value
Square footage0
$ / sq ft used$0
Size value$0
Bedrooms (0)$0
Bathrooms (0)$0
Lot (0 ac)$0
Export & Share

About Home Value Estimator

Wondering what a home is roughly worth based on recent nearby sales? This Home Value Estimator applies a simple, transparent comps calculation: square footage times a local price-per-square-foot figure you supply, plus adjustments for bedrooms, bathrooms and lot size. No account, no data upload — everything runs in your browser.

It is not an automated valuation model and it does not pull real sales data; it is a calculator that turns the comp numbers you already have (or can look up) into a clear, itemized estimate you can export and share.

Features

  • Comps-based formula: Square footage × price per sq ft, plus bedroom, bathroom and lot adjustments.
  • Live recalculation: Results update instantly as you type.
  • Full breakdown: See exactly how much each factor — size, bedrooms, bathrooms, lot — contributes.
  • Export ready: Copy or download the estimate as text, CSV or JSON.
  • Fully private: No sign-up, no upload, works entirely offline.

How to Use

  1. Enter the square footage, bedrooms, bathrooms and lot size for the property.
  2. Enter your local median price per square foot from recent comparable sales.
  3. Set the bedroom, bathroom and lot-per-acre premiums — reasonable defaults are provided.
  4. Read the estimated value and breakdown — they update live as you adjust any figure.

Examples

Example 1 — Typical suburban home. 1,800 sq ft, 3 bed, 2 bath, 0.25 acre lot, at $220/sq ft with standard premiums estimates around the high $400ks.

Example 2 — Small starter home. 950 sq ft, 2 bed, 1 bath at $180/sq ft comes in well under $200k, showing how strongly square footage drives the estimate.

Example 3 — Large lot. Keeping the house the same but increasing the lot from 0.25 to 1 acre at a meaningful per-acre price noticeably raises the total, illustrating how much lot size can matter outside dense urban areas.

Benefits

  • Transparent math: Every dollar in the estimate is traceable to a specific input, unlike black-box valuation tools.
  • Fast comparisons: Test how changing bed count, bath count or lot size shifts the estimate.
  • Useful starting point: A reasonable first number before pulling full comps or ordering an appraisal.
  • Private: Nothing you enter leaves your browser.

Frequently Asked Questions

How does this estimator work?
It multiplies your home's square footage by a local median price per square foot (a "comp" figure you supply from recent nearby sales), then adds a per-bedroom premium, a per-bathroom premium, and a per-acre lot value. The result is a straightforward comps-based estimate, not a licensed appraisal.
Where do I get the median price per square foot?
Check recent closed sales for similar homes within about a mile, or ask a local agent for comparable sales. Real estate listing sites publish neighborhood median $/sq ft figures that work well here.
Why do bedrooms and bathrooms have separate price adjustments?
Price per square foot alone under- or over-values homes with an unusual bed/bath count for their size. Adding a flat premium per bedroom and bathroom lets the estimate reflect that an extra bathroom, for example, adds value beyond the square footage it occupies.
Is this the same as a Zestimate or other automated valuation?
No. Automated valuation models pull from proprietary sales databases and tax records. This tool runs entirely in your browser using numbers you provide — it's a transparent comps calculation, not a data-driven algorithm, so its accuracy depends entirely on the comp figures you enter.
What counts as a good comp?
A home of similar size, age, condition and location that sold recently (ideally within 3–6 months) and within about a half to one mile. The more comps you average for your price-per-square-foot figure, the more reliable the estimate.
Should I use gross living area or total square footage?
Use finished, above-grade living area — the figure typically shown on a listing. Unfinished basements, garages and unheated porches usually shouldn't be counted at the same rate, if at all.
Can I use this for a lot with no house yet?
Not directly — set square footage, bedrooms and bathrooms to 0 and enter only the lot size and price per acre to get a raw land estimate, though land values usually don't scale linearly with lot size the way this tool assumes.
Does anything get uploaded or saved?
No. Every calculation happens locally in your browser. Nothing you enter is sent anywhere or stored.

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