Cabin John 20818
Montgomery County, MD · 726 properties · updated 7/5/2026
Should you buy here?buyer-timing lens
43affordability /100
Buyer leverage is seller slight; weigh payment burden and the 3-lens valuation before bidding.
Payment burden
34.9%
stretched
Days on market
26
daily
Price cuts
0.0%
of active
Valuation
-53.3%
vs assessor
41
/100
mixed
stable · seller slight · prices easing year-over-year.
Verdict grades housing conditions; buyer-timing, investor cash-flow, supply-tightness and county macro scores answer different questions — each in its own section.
Buyer / sellerbuyer-timing lens
Seller's Market
Needs 14% correction for affordability
DOM: 28d (stable) · Market Dynamics rolling median · hourly
Score Components
Payment Burden (25%)50
Valuation Gap (25%)40
Supply & Demand (20%)20
Cancellation Rate (10%)0
Days on Market (5%)20
Seller-favored market in 20818. Expect to pay at or near list price. Payment burden: 34.9% of median income. Median days on market: 28.
Buyer Caution
Seller's market. Be prepared to pay near list price.
Competitive market similar to 2021-2022 — limited inventory driving prices above fundamentals.
STABLESELLER SLIGHT
Market is holding steady with balanced conditions. Sellers hold a slight edge.
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Market snapshoteach number, once
Median price
$1,273,323
▾ 0.5% YoY
Days on market
26
daily · zip_data
Median rent
$1,957
county avg
Investor score
29/100
cash-flow lens
Active listings
6
90-day
Valuation3 lenses, different anchors
vs assessor
-53.3%
Market vs assessed value — a tax-roll lag, not a deal signal.
Avg assessor$594,100
county CAMA · properties_v
vs income
—
Fair-value model not available for this market.
fair_value_scores · 10-state coverage
vs county comps
+36.8%
County-wide market — the widest, slowest signal.
Montgomery+36.8%
Lotvox comps · mv_valuation_gap
Read together: Above county comps but sustainable on local incomes.
Pricing detail
Price / sqft$442
Price-to-income5.8×
How 20818 ranks in MD
percentile vs all MD ZIPs
Comparative ranking not available for this ZIP.
Affordability, supply & momentum
68SUPPLY
Tight MarketSupply Tightness
Supply is below normal — sellers are favored but buyers still have options.
Months of Supply3.0 mo
Days on Market26d
Inv vs History+39.0%
Listing Density--
Market dynamics
Price cut %0.0%
Momentumstable
LeverageSELLER SLIGHT
Months of supply3
Sales (90d)0
Investment analysis
Median rent$1,957
Price-to-rent54.2
Est. cap rate1.1%
Buy vs rentfavors renting
Livability
Walk score—
Transit score7
Bike score—
Historical trends
Montgomery County contextmacro · jobs · debt · migration
ZIP score grades housing; county score adds macro distress (jobs, debt, poverty). They answer different questions.