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208-505 Marks Ave
B+ Composite 77.75
Why this score? — see what drove the B+ grade

The composite is a weighted blend of 9 inputs, each scored 0–100. Each bar is that input's sub-score; the figure is the points it added to the 100-point composite (weight × sub-score).

  • Cash flow +30.0/30.0
  • ARV discount +14.8/15.0
  • 1% rule +10.0/10.0
  • DSCR +10.0/10.0
  • Rent growth +5.0/5.0
  • Livability +3.7/5.0
  • Condition / age +2.5/5.0
  • Schools +1.7/10.0
  • Appreciation +0.0/10.0

$99,000

208-505 Marks Ave · Darby, PA 19023
2 bd · 1.5 ba · 1,088 sqft · Townhouse public records · 92 Days on market
Built 1951 1,307 sqft lot $91/sqft · 16% below area Est $118k · 16% under

🖨 Deal sheet 📄 Offer letter ✓ Due diligence

Listing remarks MLS

This home offers comfort, efficiency, and low maintenance for years to come. Seller is motivated to sale Even better, the property includes a stable tenant in place for over four years, providing immediate and reliable rental income from day one — a major advantage for investors seeking consistent cash flow. Ideal for: • Investors looking for a turnkey, income-producing property • Buyers interested in a rent-to-own pathway • Future owner-occupants who want income now and flexibility later Start by collecting rent and build equity while the property continues to appreciate. Serious inquiries welcome.

Key facts

  • Built 1951
  • Listed 91 days

Neighborhood map

Property Rental comp Retail Transit Schools Stadiums Fortune 500 · Circle radius: 3.0 mi
Loading POIs…

What this means for you Summary

Snapshot

  • This is a 2-bed/1.5-bath townhouse listed at $99k.

Deal economics

  • At list price, monthly cash flow is $399 ($5k/yr) — positive.
  • The deal already cash-flows at list — no discount required.
  • Meets the 1% rule at list price ($2k rent vs $99k).
  • Recommended offer: $90k (9.0% below list) — sets the bar for market timing.
  • Cap rate 11.1% vs local median 6.3% in Darby — top-decile yield for the area; either an underpriced asset or a hidden risk that comps aren't pricing in. Stress-test before assuming the spread holds.

Location & tenants

  • Location reads 74/100 on livability (#485 in PA, #4,468 nationally) — a middle-class / working-renter tenant base. Strengths: commute A+, cost of living A+, housing A+; Watch: amenities D+, employment D, schools F.
  • William Penn SD (suburban): math 11% / reading 28% proficiency, ranked #491 of 539 in PA (top 91%) — low school quality limits family demand, transient renter base, plan for 1-2y turnover; 69% free/reduced lunch — lower-income household profile, screen leases tightly.
  • Market conditions: Rents rising fast (+13.1%/yr); 99 active listings in the ZIP; 40 comparable units currently listed for rent nearby; rentals at typical pace (median 22d on market — plan ~3-4 weeks tenant-placement turnaround); 299 units permitted in Delaware County in 2024 (5 in 5+ unit buildings).
  • This rent runs 40% of the median local income ($46k/yr) — at the standard rent-burdened threshold; future hikes will face affordability resistance.

Forward outlook

  • Local home prices are declining (-3.0%/yr); year-one equity from $684 of loan paydown is wiped out by about $3k of value loss. Plan a longer hold.
  • At projected returns (-3.0% appreciation + 8.0% rent growth), your $28k cash investment doubles in ~6 years — after that, you're playing with house money.

Negotiation context

  • It's been on market 92 days — a 9% lower offer ($90k) is reasonable based on typical stale-listing flexibility.
  • 3 sale attempts since 5y ago with the ask held roughly flat each time — persistent listings suggest the price (not the market) is what's stuck; bring a comps-based counter.

Risks & watch-outs

  • Watch-outs: property tax is 3.1% of price; built in 1951 — expect roof / HVAC / electrical / plumbing capex.
  • Climate carrying-cost: major wind risk, 27% chance of damaging wind over 30y; extreme-heat days projected 7→15/yr by 2055 (HVAC capex compounding) — expect insurance premiums to compound above CPI over the hold.
Recommended offer $90,090 (9.0% below list)

Questions for the listing agent

  1. It's been on market 92 days. Have you received any prior offers? Is the seller open to a 9% concession, seller financing, or rate buy-down credit?
  2. Built in 1951 — when were the roof, HVAC, electrical panel, plumbing, and water heater last replaced?
  3. Property tax is high relative to price — has the assessment been appealed recently, and will the sale trigger a re-assessment?
  4. Why hasn't it sold? Are there any deal-killer items the seller is aware of (foundation, flood, title, zoning, code violations)?
  5. Is there a deadline driving the sale (1031 exchange, divorce, estate, relocation)? That informs how much negotiation room exists.
  6. Schools are F-rated, which usually means shorter tenancies and higher turnover. Who's the typical renter profile here, and what's been the actual vacancy rate?
  7. Crime grade is F in this area — have there been break-ins, vandalism, or insurance claims at this property in the last 3 years? What carrier currently insures it and at what premium?
  8. What's the average days-on-market for RENTAL listings here right now (not sales)? A rising rental-DOM trend means longer vacancies and softer asking-rent achievability than the comps imply.
  9. What's the recent tenant-quality profile in this submarket — average credit score on applications, eviction rate, late-payment / NSF rate, and stable-employment percentage? A property-management company in the area should have these aggregated.
  10. How much new for-sale + rental construction is in the pipeline within 1–3 miles? Heavy new supply typically softens prices + rents 12–24 months out; constrained supply supports both.

Investment metrics

1% rule
1.55%
Cap rate
11.13%
Cash-on-cash
17.27%
DSCR
1.77
GRM
5.4

CMA / ARV

ARV (median comp)
$118,241
List price
$99,000
Delta
-16.27%
Verdict
UNDERPRICED
Comps
20 within 1.0 mi
Show comp detail 12 sales within ~0.75 mi
Address Dist Beds/Ba Sqft Sold Price $/sf Match
1232 Edgehill Rd 0.25mi 3/1.0 (+1) 1,120 (+3%) 1mo $214,000 $191 76
123 Spring Valley Rd 0.27mi 3/1.0 (+1) 1,120 (+3%) 1mo $180,000 $161 75
1339 Park Ln 0.36mi 3/1.0 (+1) 1,120 (+3%) 2mo $230,000 $205 70
33 Mermont Cir 0.43mi 3/1.0 (+1) 1,120 (+3%) 0mo $200,000 $179 68
217 N 7th St 0.21mi 3/2.0 (+1) 1,188 (+9%) 1mo $140,000 $118 67
902 Maple Ter 0.08mi 3/1.0 (+1) 1,234 (+13%) 0mo $114,000 $92 67
219 Laurel Rd 0.65mi 2/1.0 1,068 (-2%) 2mo $160,000 $150 64
1300 Wycombe Ave 0.30mi 3/1.0 (+1) 1,190 (+9%) 1mo $129,000 $108 62
422 Darby Ter 0.43mi 3/1.0 (+1) 1,006 (-8%) 0mo $185,000 $184 60
4 S 6th St 0.36mi 3/1.5 (+1) 1,210 (+11%) 2mo $209,000 $173 58
318 Fern St 0.44mi 2/1.0 952 (-12%) 2mo $105,000 $110 55
224 N 2nd St 0.54mi 3/1.0 (+1) 992 (-9%) 2mo $190,000 $192 52

Match score weights: distance 35% · size 25% · config 20% · recency 20%. Top-matched comps best support the ARV.

Projected returns pro-forma

-3.0% appreciation · 8.0% rent growth · sell at horizon

5-year hold
IRR
14.8%
Equity multiple
1.63×
Total profit
$17,586
Equity at exit
$14,761
10-year hold
IRR
27.4%
Equity multiple
4.08×
Total profit
$85,383
Equity at exit
$8,560

Cash invested: $27,720 (down + closing). Projections, not guarantees.

Landlord ↔ Tenant lean methodology

Overall (STATE)
62 Landlord-Friendly
State Pennsylvania
62 Landlord-Friendly · EVEN
County
— inherits STATE
City
— inherits STATE
10-day notice; Philadelphia has eviction-court diversion + some protections; otherwise moderate.

ZIP-level market 19023

Rents YoY
13.1%
Active inventory
99
Price-to-rent
5.4×

Monthly cashflow live

Estimated rent
$1,535 high interval (Pro) →
Mortgage (P&I)
$519
Tax from tax record
$253 /mo · $3,042/yr
Insurance
$41
HOA
$0
Vacancy / Maint / Mgmt
$322
Net cashflow
$399

Break-even live

Break-even rent $1,030
Max offer price $99,000
Occupancy floor 69%

UW: 25.0% down · 7.5% · 30yr · 1.5% tax · 5.0% vac · 8.0% maint · 8.0% mgmt

Financing live

Cash to close

Down payment
$24,750
Closing costs
$2,970
Reserves months
Total cash needed

Loan-product check · same deal, 3 products live

Conventional

25% down · 7.5% · 30yr

Down + closing
Monthly P&I
Monthly cashflow
DSCR
Eligible?

Personal DTI + credit; lowest rate.

DSCR

20% down · 8.5% · 30yr

Down + closing
Monthly P&I
Monthly cashflow
DSCR
Eligible?

No personal income docs; deal must DSCR.

Hard money

10% down · 12.0% · 12mo

Down + closing
Monthly P&I
Monthly cashflow
DSCR
Eligible?

Short-term bridge; refi at stabilization.

Rent comps 40 comps

AddressBedsBaths SqftRent$/sqft DOM Units Dist
935 Maple Ter Darby, PA 3.0 1.0 1266 $1,585 $1.25 10d 1 0.05mi
935 Maple Ter Darby, PA 3.0 1.0 1266 $1,585 $1.25 5d 1 0.05mi
924 Maple Ter Darby, PA 3.0 1.5 1190 $2,000 $1.68 5d 1 0.06mi
106 N 6th St Darby, PA 2.0 1.0 1200 $1,550 $1.29 43d 1 0.27mi
1607 Patricia Dr Lansdowne, PA 1.0 1.0 757 $925 $1.22 43d 1 0.31mi
69 S 7th St Darby, PA 3.0 2.0 1446 $1,700 $1.18 43d 1 0.34mi
909 Springfield Rd Unit B Darby, PA 1.0 1.0 700 $1,000 $1.43 43d 1 0.35mi
1300 Main St Unit Basement Darby, PA 2.0 1.0 800 $1,450 $1.81 10d 1 0.39mi
1300 Main St Unit Basement Darby, PA 2.0 1.0 1000 $1,450 $1.45 24d 1 0.39mi
37 Concord Rd Darby, PA 3.0 1.0 1120 $1,795 $1.60 43d 1 0.50mi
2 Winthrop Rd Darby, PA 3.0 1.5 1224 $1,900 $1.55 21d 1 0.58mi
700 Pine St Unit 2F Darby, PA 2.0 1.0 1100 $1,250 $1.14 18d 1 0.58mi
300 N Front St Darby, PA 2.0 1.0 850 $1,395 $1.64 43d 1 0.59mi
109 Main St Unit B Darby, PA 1.0 1.0 800 $1,100 $1.38 18d 1 0.63mi
109 Main St Unit A Darby, PA 1.0 3.0 800 $1,100 $1.38 20d 1 0.63mi
109 Main St Unit A Darby, PA 1.0 3.0 800 $1,100 $1.38 18d 1 0.63mi
109 Main St Unit A Darby, PA 1.0 3.0 1480 $1,100 $0.74 18d 1 0.63mi
109 Main St Unit B Darby, PA 1.0 1.0 1480 $1,100 $0.74 15d 1 0.63mi
109 Main St Unit B Darby, PA 1.0 1.0 800 $1,100 $1.38 20d 1 0.63mi
810 Rundale Ave Lansdowne, PA 2.0 1.0 868 $1,500 $1.73 24d 1 0.76mi
412 S 2nd St Darby, PA 3.0 1.0 1190 $1,100 $0.92 5d 1 0.79mi
504 S Lansdowne Ave Lansdowne, PA 2.0 1.0 815 $1,555 $1.91 1d 4 0.82mi
417 S 2nd St Darby, PA 3.0 1.0 1190 $1,020 $0.86 5d 1 0.82mi
601 Poplar St Sharon Hill, PA 1.0–2.0 1.0 787 $1,599 $2.03 15d 5 0.85mi
772 E Providence Rd Aldan, PA 1.0 1.0 725 $1,497 $2.06 43d 1 0.85mi
826 Guenther Ave Lansdowne, PA 2.0 1.0–2.0 800 $1,699 $2.12 24d 1 0.96mi
619 Baily Rd Lansdowne, PA 3.0 1.0 1288 $1,850 $1.44 18d 1 0.97mi
608 Yeadon Ave Unit 1st Floor Yeadon, PA 2.0 1.0 1000 $1,400 $1.40 18d 1 0.97mi
608 Yeadon Ave Unit 2nd Floor Yeadon, PA 2.0 1.0 1000 $1,400 $1.40 12d 1 0.97mi
118 Felton Ave Darby, PA 3.0 1.0 1152 $1,750 $1.52 21d 1 1.06mi
112 Juliana Ter Darby, PA 3.0 1.0 1020 $2,350 $2.30 44d 1 1.10mi
112 Juliana Ter Darby, PA 3.0 1.0 1020 $2,450 $2.40 24d 1 1.10mi
416 E Providence Rd Unit B, 2ND FLOOR Aldan, PA 1.0 1.0 710 $1,300 $1.83 24d 1 1.18mi
412 E Providence Rd Unit B, 2ND FLOOR Aldan, PA 1.0 1.0 700 $1,300 $1.86 24d 1 1.18mi
55 Sayers Ave Unit A LEASE Lansdowne, PA 1.0 1.0 800 $1,200 $1.50 18d 1 1.19mi
35 Elberon Ave Unit 2 Lansdowne, PA 2.0 1.0 900 $1,695 $1.88 24d 1 1.21mi
101 W Baltimore Ave Unit H4 Lansdowne, PA 2.0 1.0 925 $1,449 $1.57 21d 1 1.44mi
101 W Baltimore Ave Unit B04 Lansdowne, PA 2.0 1.0 925 $1,469 $1.59 24d 1 1.44mi
58 N Lansdowne Ave Unit W101 Lansdowne, PA 1.0 1.0 750 $1,189 $1.59 24d 1 1.48mi
58 N Lansdowne Ave Unit N205 Lansdowne, PA 1.0 1.0 750 $1,189 $1.59 43d 1 1.48mi

Listing history 23 events

  1. 2026-06-18
    days on market $99,000 Active 92 DOM
  2. 2026-06-17
    days on market $99,000 Active 91 DOM
  3. 2026-06-16
    days on market $99,000 Active 90 DOM
  4. 2026-06-15
    days on market $99,000 Active 89 DOM
  5. 2026-06-13
    days on market $99,000 Active 87 DOM
  6. 2026-06-13
    days on market $99,000 Active 86 DOM
  7. 2026-06-09
    days on market $99,000 Active 83 DOM
  8. 2026-06-08
    days on market $99,000 Active 82 DOM
  9. 2026-06-07
    days on market $99,000 Active 81 DOM
  10. 2026-06-04
    days on market $99,000 Active 78 DOM
  11. 2026-06-03
    days on market $99,000 Active 77 DOM
  12. 2026-06-02
    days on market $99,000 Active 76 DOM
  13. 2026-06-01
    days on market $99,000 Active 75 DOM
  14. 2026-05-31
    days on market $99,000 Active 74 DOM
  15. 2026-05-04
    historical Active Under Contract 628-char remark
    Show marketing remark (628 chars)

    This home offers comfort, efficiency, and low maintenance for years to come. Seller is motivated to sale Even better, the property includes a stable tenant in place for over four years, providing immediate and reliable rental income from day one — a major advantage for investors seeking consistent cash flow. Ideal for: • Investors looking for a turnkey, income-producing property • Buyers interested in a rent-to-own pathway • Future owner-occupants who want income now and flexibility later Start by collecting rent and build equity while the property continues to appreciate. Serious inquiries welcome.

  16. 2026-05-04
    status Pending 628-char remark
    Show marketing remark (628 chars)

    This home offers comfort, efficiency, and low maintenance for years to come. Seller is motivated to sale Even better, the property includes a stable tenant in place for over four years, providing immediate and reliable rental income from day one — a major advantage for investors seeking consistent cash flow. Ideal for: • Investors looking for a turnkey, income-producing property • Buyers interested in a rent-to-own pathway • Future owner-occupants who want income now and flexibility later Start by collecting rent and build equity while the property continues to appreciate. Serious inquiries welcome.

  17. 2026-02-28
    listed $99,000 Active 628-char remark
    Show marketing remark (628 chars)

    This home offers comfort, efficiency, and low maintenance for years to come. Seller is motivated to sale Even better, the property includes a stable tenant in place for over four years, providing immediate and reliable rental income from day one — a major advantage for investors seeking consistent cash flow. Ideal for: • Investors looking for a turnkey, income-producing property • Buyers interested in a rent-to-own pathway • Future owner-occupants who want income now and flexibility later Start by collecting rent and build equity while the property continues to appreciate. Serious inquiries welcome.

  18. 2022-04-07
    historical
  19. 2022-02-02
    listed $110,000 Active
  20. 2021-11-26
    soldstatus $95,000 Closed
  21. 2021-11-02
    historical Active Under Contract
  22. 2021-09-30
    listed $95,000 Active
  23. 1988-11-02
    soldstatus $42,000

ⓘ Source: listings_history table (triggers on properties + properties_extension) + one-shot backfill from property_details.listing_events for pre-trigger history.

Tax reassessment forecast PA · Partial reset (capped growth)

Current annual tax
$3,042 · $253/mo
Projected year-2 tax
$3,042 · $253/mo
Expected delta
$0/yr ($0/mo · 0.0%)

ⓘ Screening estimate from a state-policy table — verify with the county assessor before closing.

Climate risk First Street

  • 🌊 Flood 1/10 Low FEMA zone X (unshaded) · 0% chance over 30 yrs
  • 🔥 Wildfire 1/10 Low
  • 🌡 Heat 7/10 Severe 7 d/yr ≥103°F today · 15 d/yr by 30 yrs out
  • 💨 Wind 6/10 Major 27% chance of damaging wind over 30 yrs
  • 🫁 Air quality 4/10 Moderate 3 unhealthy d/yr today · 6 by 30 yrs out

Nearby sold comps map

Loading sold comps map…

Walkable amenities ~0.75 mi

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Taxation est. · year 1

Rental income
$18,424
− Mortgage interest
−$5,546
− Property taxes
−$3,042
− Insurance
−$495
− Repairs & maintenance
−$1,474
− Management
−$1,474
− Depreciation
−$2,880
Taxable income
$3,514
combined federal + state — saved on this device
Est. tax owed @ 24.0%
−$843
After-tax cash flow
$3,945/yr

For passive investors: Depreciation is non-cash, so a rental often shows a tax loss while cash-flowing — sheltering income. Rental losses are passive: they offset passive income freely, and up to $25,000/yr can offset ordinary (W-2) income if you actively participate and your MAGI is under $100k (phasing out to $0 by $150k); unused losses carry forward. On sale, claimed depreciation is recaptured at up to 25%, and gains may owe capital-gains tax (a 1031 exchange can defer both). Figures are a year-1 estimate at your 24.0% rate — not tax advice; consult a CPA.

Schools (NCES district)

District
William Penn SD
NCES district ID
4226390
Math proficiency
11% ▼ -3.00%
Reading proficiency
28% ▼ -7.00%
Median HH income
$48,543
Composite
17.29/100
National rank
#9086
State rank
#491 of 539 in PA

Livability — Darby

Score
74/100
State rank
#485
US rank
#4468

Category grades

Amenities D+ Commute A+ Cost of living A+ Crime F Employment D Housing A+ Health & safety A User ratings B

Schools grade is shown separately in the Schools card above.

Census & demographics

Census place
Darby, PA
County
Delaware County · 399,863 people
Metro
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
Population (ZIP)
22,247
Household income
$46,463
Rent vs Own
47.4% rent · 52.6% own
Severe rent burden
1468.0

Population outlook (Delaware County) Hauer SSP2

Today (2025)
577,490 people
By 2030
581,243 · +0.6%
By 2040
584,700 · +1.2%
By 2050
586,581 · +1.6%
By 2075
598,706 · +3.7%
By 2100
590,823 · +2.3%

Race, ethnicity, and origin ACS 2023

Neighborhood character
Predominantly Black (76%)
Race & ethnicity
Black 76% White 15% Two or more races 5% Hispanic / Latino 3% Asian 2%
Common ancestry
Swiss 5% Hispanic 1% Romanian 1%
Foreign-born
18% · Canada
Languages at home
84% English-only · French/Haitian/Cajun 4% Spanish 3% Other Asian/Pacific 1%

Political lean MEDSL · Delaware

2024 margin
Strong D (+23.7) · D 61.4% · R 37.6% · Other 1.0%
2008→2024 swing
+2.3pp toward D · 2008: 21.4pp · 2024: 23.7pp
All cycles
2024: D+23.7 2020: D+26.7 2016: D+22.0 2012: D+21.8 2008: D+21.4

Not yet ingested

Civics

Market trends

HPI YoY
▼ -190.50%
Current HPI
277.7034
Rent YoY
▲ 13.10%
Metro
Philadelphia-Camden-Wilmington, PA-NJ-DE-MD
State GDP YoY
▲ 1.68%
F500 in state
34

Industry mix (Fortune 500 HQ in PA)

Industry F500 HQs Revenue

Price history

+135.7% since first listed
9 events — show timeline
  • 2026-05-04 Contingent BRIGHT MLS
  • 2026-05-04 Pending BRIGHT MLS
  • 2026-02-28 Listed $99,000 BRIGHT MLS
  • 2022-04-07 Listing Removed BRIGHT MLS
  • 2022-02-02 Listed $110,000 BRIGHT MLS
  • 2021-11-26 Sold (MLS) $95,000 BRIGHT MLS
  • 2021-11-02 Contingent BRIGHT MLS
  • 2021-09-30 Listed $95,000 BRIGHT MLS
  • 1988-11-02 Sold (Public Records) $42,000 Public Records

Property tax history

+0.5%/yr

Latest (2026): $3,042 · -0.5% YoY. Source: county tax records.

Cash-flow waterfall

monthly

Sold comps — $/sqft

last 12 mo · ≤1 mi

Loading sold comps…