Rent Comps by ZIP Code
Start with the ZIP, then keep only homes that match yours. Use the worksheet to drop weak comps and turn the rest into an asking rent. For an address-level set, use the free rent estimate.
Open the market snapshot for a ZIP — listing mix and trends — then come back here to score individual comps.
The short answer
- Stay in the same ZIP (or about 1 mile) and the same property type.
- Match bedrooms first, then bathrooms and square footage within 15%.
- Prefer leased rents from the last 3–6 months. Treat stale asking prices as a ceiling.
- Take the median of the strong comps, then adjust 5–15% for condition — not for your mortgage.
Comp worksheet
Enter your unit and nearby rents. We flag comps that miss on beds, baths, or size, then take the median of the strong matches.
Your property
Comparable rents
Strong comps
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Add your beds, baths, and sq ft
Median rent
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Add at least one rent
$ / sq ft → your size
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Adjusted asking
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No feature adjustments
Feature adjustments
Typical ranges, not appraisals. Toggle what is true versus your comps.
Is this a true comp?
Score one listing at a time. Three strong comps beat ten listings from a different neighborhood or property type.
0/7 — Check the boxes that apply to a listing you are considering.
What are rent comps?
Rent comps (comparables) are similar rentals you use as a benchmark. If a true match leased at $1,500, yours should land nearby after you adjust for real differences — not for what you paid or what you need to clear the loan.
ZIP-level comps are the listings and recent leases inside the same postal code. That keeps school, commute, and amenity context stable. You still have to match beds, baths, size, and condition. Pair the set with a rental market analysis so you know whether demand will support the median those comps suggest.
- Market price: what tenants are actually paying, not a formula
- Positioning: where you sit versus the units renters will open next
- A defense: objective numbers when a tenant or owner asks “why this rent?”
What makes a good rent comp
Same ZIP or within about a mile, and the same side of major barriers (highways, rivers, school lines). A nicer neighborhood a mile away is not a substitute.
Houses to houses, condos to condos, apartments to apartments. Tenants shop those markets separately even when the ZIP is the same.
Match bedrooms first. Bathrooms should be within 0.5. Square footage should stay within about 15%. The worksheet flags rows that miss those cuts.
Last 3–6 months, or a current listing. Older leases can sit above or below today’s market. Check rent by ZIP if you need neighborhood trend first.
How to find rent comps
Filter Zillow Rentals, Rent.com, Apartments.com, and local boards to your ZIP, beds, and type. Note asking rent and days on market. A unit that leased in a week was priced correctly; one sitting 40 days is probably asking too much.
Enter those asking rents in the worksheet and drop anything that fails the bed or size test.
Leased prices beat asking prices. If you have MLS access — or an agent who will pull it — use closed rents and days on market. Renstimate pulls nearby rentals and weights them by similarity and recency so you are not averaging the whole ZIP.
For-rent signs, leasing offices, and property-manager boards still catch units that never hit the big portals. Call for rent and availability — that is current inventory, not a listing that went stale last month.
Managers who run inventory in your ZIP can tell you what is leasing, what is sitting, and which amenities actually move rent. Treat it as context, then price the specific unit from comps.
How to analyze rent comps
1. Line them up
For each listing capture address, beds, baths, sq ft, type, rent (ask vs leased), $/sq ft, condition, amenities, and days on market. The worksheet covers the numbers; keep notes for condition and street.
2. Drop weak matches
Wrong bedroom count, more than 15% size gap, or a different property type should leave the set. Do not “average it in” and hope the error cancels.
3. Use the median
Median resists one luxury remodel or one desperate seller. Also compute median $/sq ft and apply it to your size as a check — useful when remaining comps are a bit larger or smaller.
4. Adjust, then pick a point in the range
Add 5–15% if you are clearly nicer; subtract if you are behind. In a tight ZIP, list toward the upper-middle of the range. If units are sitting, list closer to the low end and use the vacancy-cost check before holding out for an extra $75.
Common mistakes
One listing is an anecdote. Get to five when you can. If inventory is thin, say so and widen radius before you mix property types.
A postal-code mean mixes studios and houses. Use ZIP as the search area, then keep only units a renter would actually compare to yours.
Averaging without condition tweaks ignores real differences. Adjusting 30% because you like your kitchen means you needed a better comp, not a bigger fudge factor.
Six-month-old asks, or listings that never leased, pull the number high. Prefer recent leases and listings that moved.
Frequently asked questions
What are rent comps?+−
Rent comps are similar rentals nearby that are listed or recently leased. You use them as the market’s bid for a unit like yours. A good comp matches ZIP or neighborhood, property type, beds, baths, size, and condition — not just a similar asking price.
How do I find rent comps by ZIP code?+−
Start in the same ZIP so school, commute, and amenity context stay constant. Then filter to the same property type and bedroom count. ZIP is only the first cut — a 4-bed house and a 1-bed apartment in the same postal code are not comps.
How many rental comps do I need?+−
Aim for 5–10 true comps. Three close matches beat ten listings from a different neighborhood or property type. If you only have two strong comps, widen the radius slightly before you start mixing house and condo rents.
Should I use asking rent or leased rent?+−
Leased rent is better. Asking rent is a ceiling until a tenant signs. If a listing has sat for weeks, treat the ask as high. If it leased in a few days, the ask was at or under market.
How do I adjust comps for differences?+−
Adjust 5–15% for condition and amenities after you have a median. Parking, in-unit laundry, and updates usually add; a busier street or missing outdoor space subtracts. Large bed or size gaps are better solved by finding a closer comp than by stretching the math.
What is a good radius for rent comps?+−
Stay within about one mile, or the same ZIP, unless the area is rural or inventory is thin. Crossing a highway, school boundary, or into a different housing type often matters more than an extra half mile.
How to calculate rent
Formulas and a calculator once you have a comp range.
Rent by ZIP
Neighborhood rates and demand before you pick listings.
Market analysis
Whether local demand will support the comps you found.