Your home is likely your single largest financial asset — yet most homeowners have only a vague idea of what it’s worth today. If you’ve ever searched your address and gotten wildly different numbers from different sites, that’s not a glitch. It’s a feature of a fragmented system where every tool uses different data, different methods, and different assumptions.
Before diving into the methods, it helps to understand what actually moves the number.
The biggest drivers include location, square footage, lot size, bedroom and bathroom count, overall condition, age of the home, and recent comparable sales in your neighborhood. Beyond the physical property, broader forces matter too: local market conditions, school district quality, neighborhood trajectory, interest rates, and even the time of year all play a role.
Location — proximity to employment, schools, amenities, and transit
Size and layout — square footage, bedroom count, functional floor plan
Condition — age of systems, deferred maintenance, recent updates
Comparable sales — what similar homes nearby sold for recently
Market conditions — supply and demand, interest rates, buyer sentiment
Unique features — lot size, views, garage, pool, architectural character
Your home’s value is not static. It shifts with market conditions, seasonal demand, interest rate movements, and changes in your neighborhood. A value from six months ago may no longer be accurate today — which is why understanding how to check it regularly matters.
Section 02
Market value, appraised value, assessed value
These three terms are often used interchangeably — but they mean very different things, and confusing them leads to bad decisions.
Most important for sellers
Market Value
What a willing buyer would actually pay for your home today. This is the number that matters most if you’re planning to sell.
Used by lenders
Appraised Value
The figure a licensed appraiser determines after a professional evaluation. Lenders rely on this number when approving mortgages and refinances.
Used for taxes only
Assessed Value
What your county assigns for property tax purposes. Often lags the market significantly — sometimes higher, often lower than what you could actually sell for.
Don’t use your tax assessment to set a list price. Assessed values are calculated for tax purposes on their own schedule, and can diverge dramatically from actual market value — in either direction. Always base pricing decisions on current market data.
Section 03
7 ways to find out what your home is worth
No single method gives you a perfect answer. The best approach layers multiple methods together. Here they are, ordered from quickest and free to most thorough and precise.
1
Free Online Home Value Estimators (AVMs)
Fastest & Free
Automated Valuation Models — the technology behind Zillow’s “Zestimate,” Redfin’s estimate, and similar tools — pull publicly available data like tax records, MLS listings, and recent sale prices and run it through algorithms to estimate your home’s worth. You enter your address and get a number in seconds.
The limitation: these tools can’t see what’s inside your home. They don’t know you renovated your kitchen, that your roof is 20 years old, or that your lot backs up to a noisy highway. Median error rates range from about 2% for listed homes to 7.5% for off-market homes — on a $400,000 home, that’s a potential $30,000 swing.
💡 Best practice: Check two or three estimators and average the results. Treat the output as a ballpark, not a final answer.
2
Comparative Market Analysis (CMA) from a Real Estate Agent
Free — Best Value
A CMA is a detailed report prepared by a licensed agent that examines recent sales of comparable properties (“comps”), active listings, and expired listings to estimate your home’s value. Unlike an AVM, a CMA benefits from human judgment — an experienced local agent knows that the comp down the street sold for less because it backs up to a commercial property, or that homes on your school district boundary command a consistent premium.
CMAs are typically free. Agents offer them as a service, partly to earn your listing if you decide to sell. There’s no obligation.
💡 Best practice: Request CMAs from two or three local agents. Comparing their analyses gives you a range and helps you identify who knows your market best.
3
Cash or Direct Buyer Offer
Fast — Useful Floor
Cash buyers — including direct buyers like ARS — make offers on homes quickly, often within 24–48 hours. While the primary purpose is to give you a fast selling option, a cash offer also serves as a useful data point for understanding your home’s value in the current market.
Important caveat: a cash offer represents a floor, not market value. Cash buyers account for their own costs, risk, and margins. Think of it as the minimum you could receive right now, with speed and certainty as the trade-off for a lower price.
💡 Best practice: Use a cash offer alongside a CMA so you understand exactly what you’d gain in convenience vs. what you might leave on the table in a traditional sale.
4
DIY Comparable Sales Analysis
Free — Good Gut Check
You don’t need a license to do basic comp research. With publicly available data, you can get a reasonable sense of what homes like yours are selling for. Search for recently sold homes within 0.25–0.5 miles, filter to the past 3–6 months, and match key characteristics: similar square footage (within 10–15%), same bedroom and bathroom count, comparable lot size, and similar age and condition.
The main risk: objectivity. Most homeowners overestimate their home’s condition and the value of their upgrades. That kitchen remodel you spent $60,000 on may add only a fraction of that in market value.
💡 Best practice: Use this as a supplement to a CMA or appraisal, not a replacement. Be brutally honest about condition.
5
County Tax Assessment
Free — Limited Use
Every homeowner receives an annual property tax assessment from their county. This document lists your assessed value — the figure used to calculate your property taxes. It’s free and easy to find, but assessed value is almost never equal to market value. In most areas, assessed values lag behind the market significantly.
💡 Best practice: Useful as a reference point or for tracking changes over time. Never use it to set a list price.
6
Professional Appraisal
Most Accurate
A certified appraiser physically inspects your property — evaluating condition, measuring square footage, noting upgrades and deficiencies, and analyzing recent comparable sales. The result is a certified valuation report that carries legal and financial weight. Among all available options, a professional appraisal is generally the most reliable.
Cost: Typically $300–$600 for a standard single-family home, though this varies by location and property complexity.
💡 Best for: Refinancing, contesting a tax assessment, divorce or estate settlement, or any major financial decision based on your home’s equity.
7
FHFA House Price Index Calculator
Free — Long-Term View
The Federal Housing Finance Agency (FHFA) maintains a House Price Index Calculator that estimates how your home’s value has changed since you purchased it, based on regional price trends. Enter your purchase price, purchase date, state, and metro area. The calculator applies average regional appreciation rates to estimate your current value.
It won’t account for your specific condition or improvements, but if you’ve owned your home for many years and want a quick sense of equity built through appreciation alone, this is a solid starting point.
💡 Best practice: Pair with an AVM or CMA for a complete picture. Useful for long-term equity tracking.
Section 04
How accurate are online estimates?
Since most homeowners start with online estimators, it’s worth understanding how reliable they actually are. The accuracy data tells a clear story.
Estimator
On-Market Error
Off-Market Error
Redfin
~2.1%
~6.5%
Zillow (Zestimate)
~2.4%
~7.5%
Realtor.com
Not disclosed
Not disclosed
These percentages sound small but add up quickly. On a $400,000 home, a 7.5% error means the estimate could be off by $30,000 or more in either direction. On a $600,000 home, you’re looking at a $45,000 potential swing.
AVMs perform worse for rural properties with few comparable sales, unique or custom homes, recently renovated properties not yet in public records, and rapidly shifting markets where conditions change faster than data updates.
Online estimates are a starting point, not a final answer. They’re excellent for a quick, free ballpark. They’re not reliable enough to set a list price, negotiate a sale, or make major financial decisions based on your equity.
Section 05
Do renovations increase home value?
It depends on the project. Renovations can increase your home’s value, but the return on investment varies dramatically. The critical question isn’t “will this add value?” — it’s “will it add more value than it costs?”
Projects that tend to deliver strong returns
Fresh neutral paint — highest ROI of any interior project, costs $1–3 per square foot
Minor kitchen refresh — new hardware, paint, and lighting vs. a full gut renovation
Curb appeal upgrades — landscaping maintenance, new front door, exterior paint
Bathroom updates — fixture replacement, re-grouting, new vanity (not a full remodel)
Lighting upgrades — modern fixtures and LED bulbs make spaces feel larger and newer
Projects that rarely recover their full cost
Full kitchen gut renovation — cap at roughly 10% of your home’s value to protect ROI
Luxury additions — home theaters, wine cellars, pools in climates where they’re uncommon
Highly personalized finishes — what you love may not align with what buyers will pay for
Over-improving for the neighborhood — a $100,000 renovation in a $200,000 neighborhood won’t recover
Renovating right before selling is rarely worth it. Focus instead on repairs that eliminate deal-breakers and cosmetic updates that help buyers visualize themselves in the space. Major renovations before a sale almost never recoup their full cost.
Section 06
The best approach: layer multiple methods
No single method is perfect. Each has blind spots. The smart move is to combine approaches so you can triangulate on a reliable range.
Start with two or three free online estimates to establish a broad range quickly
Request a CMA from a local agent to refine that range with professional, hyperlocal insight
Run your own comp analysis as a gut-check on the numbers
If the stakes are high — a sale, refinance, divorce, estate settlement — hire an appraiser for a certified valuation
This layered approach gives you both the convenience of quick estimates and the accuracy of expert analysis. It protects you from the most common mistake homeowners make: relying on a single number from a single source and treating it as gospel.
Ready to know your exact number from ARS? Submit your address and we’ll give you a no-obligation cash offer — a concrete, real-money figure based on the actual current market, not an algorithm. Get your offer →
Section 07
Frequently asked questions
What is the most accurate way to find out my home’s value?
A professional appraisal is the most accurate and defensible method, combining physical inspection with comparable sales analysis and certified professional judgment. For most sellers, a CMA from an experienced local agent is a strong free alternative that’s more accurate than an online estimate alone.
How accurate are Zillow and Redfin estimates?
Reasonable starting points, but not definitive. Median error rates run about 2–2.5% for listed homes and 6.5–7.5% for off-market homes — which can mean $20,000–$45,000 on a typical property. Use them as a ballpark, not a pricing decision.
What’s the difference between market value, appraised value, and assessed value?
Market value is what a buyer would pay today. Appraised value is a licensed professional’s certified opinion, used by lenders. Assessed value is your county’s figure for tax purposes — it often lags the actual market significantly in either direction. For selling, market value is what matters most.
How do I get a free home valuation?
Three good free options: use online estimators (Zillow, Redfin, Realtor.com), request a free CMA from a local real estate agent, or use the FHFA House Price Index Calculator for a long-term appreciation estimate. For the most useful free valuation, a CMA from an experienced local agent is the best of these options.
How often should I check my home’s value?
If you’re not planning to sell or refinance, an annual check is sufficient to stay informed about your equity position. If you’re actively considering a sale, check monthly in the lead-up and get a formal CMA or appraisal before listing.
Will renovating before I sell increase my home’s value?
Sometimes. Strategic, cost-effective updates — fresh paint, updated fixtures, light kitchen and bath refreshes — can help your home show better and attract stronger offers. Major renovations rarely make financial sense pre-sale because you’re unlikely to recoup the full cost. Focus on eliminating deal-breakers, not overhauling the kitchen.
Is a cash offer a good indicator of what my home is worth?
It’s a useful data point representing a floor — not market value. Cash buyers factor in their own costs, risk, and margins. Think of it as the minimum you could receive right now, with speed and certainty as the trade-off. Compare it against a CMA or appraisal to understand the full picture before deciding.
Get a real number
Find out what ARS will pay for your home today.
No algorithms. No estimates. A real cash offer based on the actual current market — with no obligation to accept.