Sunderland 20689

Name: 20689 Sunderland, MD housing market record
Creator: Lotvox
License: https://lotvox.com/terms

Calvert County, MD · 770 properties with county records

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Sunderland 20689 is in Calvert, MD, part of the Washington DC Metro. The typical home value in Sunderland 20689 is $584,171 (Zillow Home Value Index, August 2026), up 0.7% from a year earlier. Homes that sold went under contract in a median 26 days, and 0% of listings took a price cut (Redfin Data Center, period ending Aug 31, 2026). On Lotvox's market-leverage reading of that data, with 3 months of supply, neither buyers nor sellers hold a clear edge. The Lotvox Turnover Index is not published for 20689 yet: it appears only where a held-out test on the county's recorded sales beats chance. Across Calvert's 12 ZIPs with a Zillow value, the middle one is $485,606, so 20689 sits 20% above the county middle. Lotvox holds county assessor records for 770 properties in 20689.

Headline value data through August 2026. Each source below carries its own date.

Is 20689 a buyer's or seller's market?

By Lotvox's leverage reading of Redfin data through Aug 31, 2026, 20689 is a balanced market. Homes went under contract in a median 26 days with 3 months of supply.

What do homes in 20689 sell for?

The typical home value in 20689 is $584,171 (Zillow Home Value Index, August 2026), up 0.7% in a year. County records put the median at about $207 per square foot (computed Apr 21, 2026).

Who is likely to sell in 20689?

Lotvox only publishes its Turnover Index where a held-out test on recorded sales beats chance, and 20689 has not passed that test yet. When it does, the score appears here.

How does 20689 compare to Calvert?

20689's typical value of $584,171 compares with a middle value of $485,606 across Calvert's 12 ZIPs. Both are Zillow Home Value Index figures for August 2026.

Where does this 20689 data come from?

Values and rents come from Zillow's research data, sales pace from the Redfin Data Center, and property counts and turnover from county assessor and deed records. Each number on this page carries its own date, and the method is published at lotvox.com/methodology.

Sources: Zillow Home Value Index (ZHVI) (as of Aug 31, 2026) · Redfin Data Center (as of Aug 31, 2026) · county assessor records (counted Oct 15, 2026) · How Lotvox works

Cite as: Lotvox ZIP market record, 20689 Sunderland, MD, data through August 2026, https://lotvox.com/washington-dc/zip/20689

Listings Flow Ladder — Listings flow could not be loaded (429).

Should you buy here?

buyer-timing lens

66affordability /100

Buyer leverage is balanced; weigh payment burden and the 3-lens valuation before bidding.

Payment burden

22.2%

affordable

Days on market

daily

Price cuts

0.0%

of active

Valuation

-74.5%

vs assessor

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Rent vs own

Not available for this ZIP — no rent or ownership-cost estimate published here.

Rent to price

Not available for this ZIP — no price-to-rent ratio published here.

/100

stable

warming · balanced · prices rising 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 / seller

buyer-timing lens

Balanced Market

Score Components

Payment Burden (25%)0

Valuation Gap (25%)80

Supply & Demand (20%)100

Days on Market (5%)40

Balanced market in 20689. List price is roughly fair — focus on condition and value. Payment burden: 20.6% of median income. Median days on market: 36. Market appears 19% overpriced vs. assessed values.

Balanced market conditions. Prices roughly aligned with fundamentals — similar to stable periods in 2014-2015.

WARMINGBALANCED

Market is warming with rising prices. Conditions are balanced between buyers and sellers.

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<p style="font:12px system-ui;margin:4px 0 0"><a href="https://lotvox.com/washington-dc/zip/20689?utm_source=embed&utm_medium=backlink">Sunderland 20689 housing market data</a> by <a href="https://lotvox.com/">Lotvox</a></p>

Market snapshot

each number, once

Median price

$584,171

▴ 0.7% YoY

Days on market

daily · zip_data

Median rent

$1,759

county avg

Investor score

33/100

cash-flow lens

Active listings

90-day

Valuation

3 lenses, different anchors

vs assessor

-74.5%

Market vs assessed value — a tax-roll lag, not a deal signal.

Avg assessor$149,100

county CAMA · properties_v

vs income

—

Fair-value model not available for this market.

fair_value_scores · 10-state coverage

vs county comps

+41.7%

County-wide market — the widest, slowest signal.

Calvert+41.7%

Lotvox comps · mv_valuation_gap

Read together: Above county comps but sustainable on local incomes.

Pricing detail

Price / sqft$207

Price-to-income3.4×

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How 20689 ranks in MD

percentile vs all MD ZIPs

Comparative ranking not available for this ZIP.

Affordability, supply & momentum

34SUPPLY

BalancedSupply Tightness

Supply and demand are roughly even — standard negotiation dynamics.

Months of Supply24.0 mo

Days on Market26d

Inv vs History+8.1%

Listing Density--

Market dynamics

Price cut %0.0%

Momentumwarming

LeverageBALANCED

Months of supply3

Sales (90d)4

Investment analysis

Median rent$1,759

Price-to-rent27.7

Est. cap rate2.2%

Buy vs rentfavors renting

Livability

Walk score—

Transit score1

Bike score—

Historical trends

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Housing pulse

4 charts, one facade

Housing pulse — Housing pulse could not be loaded (429).

Price bands

mix-shift

Price Bands — the median behind the median

A single median rises whenever expensive homes become a bigger share of what sells, even if no tier got more expensive. These are the tiers underneath it, computed from recorded arms-length deed transactions in Calvert.

Current tiers · 12 months to Invalid Datefloor 10 sales/tier

7 tiers had too few sales at every level and are left blank rather than estimated.

Tier	Median	$/sqft	Sales	Share	Source
Under $250k	—	—	—	—	fewer than 10 sales at zip, county and metro level
$250k–$500k	—	—	—	—	fewer than 10 sales at zip, county and metro level
$500k–$750k	—	—	—	—	fewer than 10 sales at zip, county and metro level
$750k–$1M	—	—	—	—	fewer than 10 sales at zip, county and metro level
$1M–$1.5M	—	—	—	—	fewer than 10 sales at zip, county and metro level
$1.5M–$2M	—	—	—	—	fewer than 10 sales at zip, county and metro level
$2M+	—	—	—	—	fewer than 10 sales at zip, county and metro level

No mix-shift history for this area. no geography from this ZIP up to metro has 8+ quarters of 10+ recorded arms-length sales across at least 4 price tiers. Trends are drawn only from recorded transactions; the last-sale snapshot above cannot carry a time series, because a property that sold twice keeps only its latest sale — which drags the history upward through the tiers and would invent the very mix shift this section exists to test for.

National context — not local

NAR's aggregate existing-home median for the United States and the South census region. This is the figure the tiers above are a check on. It is national/regional and says nothing about 20689.

United States
South

Copyright, National Association of Realtors. Reprinted with permission. Retrieved from FRED, Federal Reserve Bank of St. Louis. FRED publishes a rolling 13-month window for these series.

Tiers computed from Lotvox parcel and deed substrate through Aug 25 (10 later months withheld as partially loaded). Sample floor 10 sales per tier; below it a figure is drawn from the county or metro and labelled, or left blank. Multi-parcel bulk deeds and duplicate records are excluded.

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Calvert County context

macro · jobs · debt · migration

ZIP score grades housing; county score adds macro distress (jobs, debt, poverty). They answer different questions.

ZIP 20689→Calvert County, MD

12-Month Direction

+3Stable

Confidence

100%

DeterioratingStableImproving

BuildersLens Market Intelligence

Market Score

49· Weak

Market Score grades housing-market conditions (affordability, valuation, supply). The county Healthy/Moderate/Distressed badge measures economic distress (jobs, debt, poverty) — the two can read differently.

Payment Burden

22.2%

affordable

Source: Freddie Mac PMMS (FRED MORTGAGE30US) 7.4% · Zillow ZHVI · Census income · Updated 2026-10-08

Price-to-rent

27.7x

favors renting

Source: Zillow ZHVI ÷ (Zillow ZORI × 12)

Valuation31

+41.7%

stretched

Source: Lotvox comps · Updated 2026-05-15