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137 South St
B- Composite 67.91
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 +25.7/30.0
  • ARV discount +15.0/15.0
  • DSCR +8.6/10.0
  • 1% rule +6.7/10.0
  • Rent growth +4.1/5.0
  • Livability +4.0/5.0
  • Condition / age +2.5/5.0
  • Schools +1.2/10.0
  • Appreciation +0.0/10.0

$159,000

137 South St · Allentown, PA 18109
3 bd · 1.0 ba · 1,138 sqft · Townhouse public records · 20 Days on market
Built 1928 1,702 sqft lot Est $220k · 28% under

🖨 Deal sheet (PDF) 📄 Offer letter ✓ Due diligence

Listing remarks

Great opportunity to transform this spacious attached row home in a quiet, desirable neighborhood. Featuring 3 bedrooms, 1.5 baths, a large living and dining room, dry basement, oversized front porch, and a generously sized backyard with rear street access offering potential for a private parking pad. Ideal for a homeowner looking to build equity or an investor seeking strong upside potential. With solid bones and plenty of space, this fixer-upper is ready for your vision and renovation ideas.

Key facts

  • Rear street access
  • Private parking pad
  • Dry basement

Tags

DRY BASEMENTOVERSIZED FRONT PORCHGENEROUSLY SIZED BACKYARDREAR STREET ACCESSPRIVATE PARKING PAD

Property features AI

Exterior

  • Parking: 1-car garage; Off-street parking; Parking pad; On-street parking
  • Utilities: Public water; Public sewer
  • Home design: 2-story building
  • Construction: Brick, brick veneer, block and wood siding construction; Asphalt/fiberglass roof; Basement and slab foundations
  • Exterior features: Public water; Public sewer

Interior

  • Kitchen: Eat-in kitchen
  • Bedrooms: Primary bedroom on the second floor (13.6 x 9.6)
  • Flooring: Hardwood floors; Vinyl floors
  • Bathrooms: 1 full bathroom; 1 half bathroom
  • Heating & cooling: Baseboard heating; Wall/window air conditioning units
  • Interior features: Dining area; Eat-in kitchen; Fireplace in family room
  • Laundry & utility: Gas water heater

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 3-bed/1.0-bath townhouse listed at $159k.

Deal economics

  • At list price, monthly cash flow is $383 ($5k/yr) — positive.
  • The deal already cash-flows at list — no discount required.
  • Meets the 1% rule at list price ($2k rent vs $159k).
  • Recommended offer: $157k (1.5% below list) — sets the bar for market timing.
  • Cap rate 9.2% vs local median 5.3% in Allentown — 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 81/100 on livability (#171 in PA, #1,440 nationally) — a professional / high-income tenant draw. Strengths: commute A+, cost of living A+, housing A+; Watch: schools D+, employment D.
  • Allentown City SD (urban): math 10% / reading 20% proficiency, ranked #513 of 539 in PA (top 95%) — low school quality limits family demand, transient renter base, plan for 1-2y turnover; 73% free/reduced lunch — lower-income household profile, screen leases tightly.
  • Market conditions: Rents rising fast (+6.6%/yr); 58 active listings in the ZIP; 40 comparable units currently listed for rent nearby; rentals at typical pace (median 15d on market — plan ~3-4 weeks tenant-placement turnaround); 765 units permitted in Lehigh County in 2024 (286 in 5+ unit buildings).
  • This rent runs 38% of the median local income ($58k/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 $1k of loan paydown is wiped out by about $5k of value loss. Plan a longer hold.
  • Lehigh County population projected at +21% by 2050 — long-run rental-demand tailwind backs the buy-and-hold thesis.
  • At projected returns (-3.0% appreciation + 6.6% rent growth), your $45k cash investment doubles in ~8 years — after that, you're playing with house money.

Negotiation context

  • It's been on market 20 days — a 2% lower offer ($157k) is reasonable based on typical stale-listing flexibility.

Risks & watch-outs

  • Watch-outs: built in 1928 — expect roof / HVAC / electrical / plumbing capex.
  • Climate carrying-cost: moderate flood risk; extreme-heat days projected 7→15/yr by 2055 (HVAC capex compounding) — expect insurance premiums to compound above CPI over the hold.
Recommended offer $156,615 (1.5% below list)

Questions for the listing agent

  1. Built in 1928 — when were the roof, HVAC, electrical panel, plumbing, and water heater last replaced?
  2. Is there a deadline driving the sale (1031 exchange, divorce, estate, relocation)? That informs how much negotiation room exists.
  3. Schools are D-rated, which usually means shorter tenancies and higher turnover. Who's the typical renter profile here, and what's been the actual vacancy rate?
  4. 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.
  5. 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.
  6. 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
1.17%
Cap rate
9.18%
Cash-on-cash
10.31%
DSCR
1.46
GRM
7.2

CMA / ARV

ARV (on-the-fly)
$219,634
Comps found
12
Show comp detail 12 sales within ~0.75 mi
Address Dist Beds/Ba Sqft Sold Price $/sf Match
203 E Union St 0.21mi 3/1.0 1,120 (-2%) 3mo $165,000 $147 85
268 E Mosser St 0.23mi 3/1.5 1,138 (0%) 9mo $240,000 $211 80
243 E Elm 0.17mi 2/1.0 (-1) 1,056 (-7%) 7mo $189,900 $180 69
339 E Howe 0.50mi 3/1.0 1,140 (+0%) 9mo $167,000 $146 69
334 E Mosser St 0.34mi 3/1.5 1,080 (-5%) 7mo $255,900 $237 68
132 W Chew St 0.75mi 3/1.0 1,160 (+2%) 1mo $192,000 $166 62
38 Pittston St 0.57mi 3/1.5 1,208 (+6%) 6mo $245,000 $203 56
172 Chestnut St 0.69mi 3/1.0 1,064 (-6%) 3mo $197,000 $185 55
804 S Armour St 0.54mi 3/1.5 1,008 (-11%) 4mo $245,000 $243 50
127 Bryan St 0.74mi 3/1.0 1,036 (-9%) 3mo $150,000 $145 48
708 S Armour St 0.52mi 3/2.5 1,008 (-11%) 6mo $275,000 $273 45
701 S Front St 0.52mi 2/1.5 (-1) 1,272 (+12%) 6mo $245,000 $193 44

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 · 6.57% rent growth · sell at horizon

5-year hold
IRR
3.1%
Equity multiple
1.12×
Total profit
$5,507
Equity at exit
$23,707
10-year hold
IRR
15.8%
Equity multiple
2.50×
Total profit
$66,676
Equity at exit
$13,747

Cash invested: $44,520 (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 18109

Home prices YoY
-21.9%
Rents YoY
6.6%
Active inventory
58
Price-to-rent
7.2×

Monthly cashflow live

Estimated rent
$1,852 high interval (Pro) →
Mortgage (P&I)
$834
Tax from tax record
$181 /mo · $2,170/yr
Insurance
$66
HOA
$0
Vacancy / Maint / Mgmt
$389
Net cashflow
$383

Break-even live

Break-even rent $1,368
Max offer price $159,000
Occupancy floor 74%

Sensitivity live

Price -10% $473 -5% $428 +0% $383 +5% $338 +10% $293
Rent -10% $236 -5% $309 +0% $383 +5% $456 +10% $529
Rate -1.0pp $463 -0.5pp $423 base $383 +0.5pp $341 +1.0pp $299

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
$39,750
Closing costs
$4,770
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
503 S Austin St Unit 524 Allentown, PA 2.0 1.0 1000 $1,750 $1.75 24d 1 0.07mi
503 S Austin St Unit 520 Allentown, PA 2.0 1.0 1000 $1,650 $1.65 15d 1 0.07mi
503 S Austin St Unit A Allentown, PA 2.0 1.0 1000 $1,650 $1.65 3d 1 0.07mi
503 S Austin St Unit 514 Allentown, PA 2.0 1.0 1000 $1,550 $1.55 15d 1 0.07mi
503 S Austin St Unit 503 A Allentown, PA 2.0 1.0 1000 $1,900 $1.90 15d 1 0.09mi
503 S Austin St Unit 517 A Allentown, PA 2.0 1.0 1000 $1,900 $1.90 15d 1 0.09mi
230 E Fairview St Allentown, PA 3.0 2.0 1414 $2,300 $1.63 24d 1 0.18mi
303 E Union St Unit 1st Allentown, PA 2.0 1.0 977 $1,550 $1.59 44d 1 0.33mi
333 River Dr Allentown, PA 1.0–2.0 1.0–2.0 869 $2,025 $2.33 3d 13 0.45mi
501 E Walnut St Allentown, PA 2.0 2.0 850 $1,795 $2.11 3d 1 0.50mi
717 S Filmore St Allentown, PA 2.0 1.0 950 $1,745 $1.84 3d 1 0.68mi
236 N Front St Allentown, PA 3.0 1.0 1020 $1,800 $1.76 3d 1 0.69mi
208 Ridge Ave Allentown, PA 4.0 1.0 1396 $1,700 $1.22 24d 1 0.69mi
208 Ridge Ave Allentown, PA 4.0 1.0 1396 $1,600 $1.15 3d 1 0.69mi
1012 Constitution Dr Allentown, PA 2.0 1.0 1400 $1,495 $1.07 24d 1 0.73mi
132 Chew St Allentown, PA 3.0 1.0 1160 $1,995 $1.72 15d 1 0.74mi
201 N 3rd St Allentown, PA 2.0 2.0 1145 $2,128 $1.86 3d 4 0.81mi
305 N 2nd St #1 Allentown, PA 2.0 1.0 757 $1,500 $1.98 24d 1 0.82mi
817 E Turner St Allentown, PA 2.0 1.0 850 $1,795 $2.11 3d 1 0.86mi
605 E Susquehanna St Allentown, PA 3.0 1.0 1092 $2,500 $2.29 15d 1 0.90mi
146 W Susquehanna St Allentown, PA 2.0 1.5 1200 $1,995 $1.66 15d 1 0.93mi
949 E Linden St Allentown, PA 2.0 2.0 880 $1,795 $2.04 15d 1 0.94mi
120 N 4th St Unit 2 Allentown, PA 2.0 1.0 780 $1,475 $1.89 44d 1 0.95mi
1509 S Albert St Allentown, PA 3.0 1.0 920 $1,750 $1.90 22d 1 1.07mi
407 N 4th St Allentown, PA 3.0 1.5 1321 $1,550 $1.17 24d 1 1.11mi
45 N 6th St Allentown, PA 2.0 1.0–2.0 1002 $3,616 $3.61 3d 13 1.11mi
26 N 6th St Allentown, PA 1.0–2.0 1.0–2.0 953 $2,224 $2.33 3d 9 1.14mi
520 W Cumberland St Allentown, PA 1.0–2.0 1.0–2.0 929 $2,293 $2.47 3d 13 1.16mi
517 Elliger St Allentown, PA 3.0 1.5 1235 $1,700 $1.38 24d 1 1.17mi
702 Saint John St Apt 3 Allentown, PA 2.0 1.0 896 $1,400 $1.56 3d 1 1.20mi
218 N 6th St Apt 3 Allentown, PA 3.0 1.0 750 $1,600 $2.13 24d 1 1.20mi
27 N 7th St Allentown, PA 2.0 1.0–2.0 840 $2,222 $2.64 3d 11 1.22mi
621 W Turner St Apt 14 Allentown, PA 3.0 1.0 800 $1,395 $1.74 24d 1 1.22mi
107 N 7th St Allentown, PA 2.0 1.0–2.0 855 $2,972 $3.47 3d 23 1.23mi
427 N 5th St Unit 2 Allentown, PA 2.0 1.0 800 $1,400 $1.75 15d 1 1.23mi
743 N Halstead St Allentown, PA 3.0 1.0 1356 $1,800 $1.33 3d 1 1.24mi
748 S Hall St Unit 1 Allentown, PA 3.0 1.5 1183 $2,000 $1.69 24d 1 1.24mi
626 Oak St Allentown, PA 3.0 1.0 1396 $1,900 $1.36 44d 1 1.24mi
395 W Allen St Allentown, PA 3.0 1.0 1344 $1,800 $1.34 24d 1 1.25mi
451 W Liberty St Allentown, PA 2.0 1.0 1126 $1,395 $1.24 44d 1 1.25mi

Listing history 15 events

  1. 2026-06-18
    days on market $159,000 Active 20 DOM
  2. 2026-06-17
    days on market $159,000 Active 19 DOM
  3. 2026-06-16
    days on market $159,000 Active 18 DOM
  4. 2026-06-15
    days on market $159,000 Active 17 DOM
  5. 2026-06-14
    days on market $159,000 Active 15 DOM
  6. 2026-06-10
    days on market $159,000 Active 12 DOM
  7. 2026-06-09
    days on market $159,000 Active 11 DOM
  8. 2026-06-08
    days on market $159,000 Active 10 DOM
  9. 2026-06-07
    days on market $159,000 Active 9 DOM
  10. 2026-06-03
    days on market $159,000 Active 5 DOM
  11. 2026-06-02
    days on market $159,000 Active 4 DOM
  12. 2026-06-01
    days on market $159,000 Active 3 DOM
  13. 2026-05-31
    days on market $159,000 Active 2 DOM
  14. 2026-05-31
    remarks 498-char remark
  15. 2026-05-31
    listed $159,000 Active 1 DOM

ⓘ 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
$2,170 · $181/mo
Projected year-2 tax
$2,341 · $195/mo
Expected delta
+$171/yr (+$14/mo · 7.9%)

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

Climate risk First Street

  • 🌊 Flood 5/10 Major FEMA zone X (unshaded) · 24% chance over 30 yrs
  • 🔥 Wildfire 3/10 Moderate
  • 🌡 Heat 5/10 Major 7 d/yr ≥99°F today · 15 d/yr by 30 yrs out
  • 💨 Wind 4/10 Moderate 16% 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

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Walkable amenities ~0.75 mi

Loading nearby amenities…

Taxation est. · year 1

Rental income
$22,229
− Mortgage interest
−$8,906
− Property taxes
−$2,170
− Insurance
−$795
− Repairs & maintenance
−$1,778
− Management
−$1,778
− Depreciation
−$4,625
Taxable income
$2,176
combined federal + state — saved on this device
Est. tax owed @ 24.0%
−$522
After-tax cash flow
$4,068/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
Allentown City SD
NCES district ID
4202280
Math proficiency
10% ▼ -10.00%
Reading proficiency
20% ▼ -15.00%
Median HH income
$36,337
Composite
12.43/100
National rank
#9630
State rank
#513 of 539 in PA

Livability — Allentown

Score
81/100
State rank
#171
US rank
#1440

Category grades

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

Schools grade is shown separately in the Schools card above.

Census & demographics

Census place
Allentown, PA
County
Lehigh County · 333,019 people
City population
172,996
Metro
Allentown-Bethlehem-Easton, PA-NJ
Population (ZIP)
18,446
Household income
$58,031
Rent vs Own
47.9% rent · 52.1% own
Severe rent burden
898.0

Population outlook (Lehigh County) Hauer SSP2

Today (2025)
392,957 people
By 2030
408,319 · +3.9%
By 2040
440,007 · +12.0%
By 2050
475,940 · +21.1%
By 2075
590,448 · +50.3%
By 2100
690,314 · +75.7%

Race, ethnicity, and origin ACS 2023

Neighborhood character
Diverse neighborhood (Simpson 0.59)
Race & ethnicity
Hispanic / Latino 55% White 33% Two or more races 15% Black 8% Asian 2%
Hispanic origin (detail)
Mexican 1% Puerto Rican 27% Cuban 1% Dominican 18%
Common ancestry
Hispanic 2% Romanian 1% Polish 1%
Foreign-born
22% · Canada, Jamaica
Languages at home
53% English-only · Spanish 37% Arabic 6% French/Haitian/Cajun 2%

Political lean MEDSL · Lehigh

2024 margin
Toss-up / Even · D 50.7% · R 48.0% · Other 1.2%
2008→2024 swing
-12.9pp toward R · 2008: 15.6pp · 2024: 2.7pp
All cycles
2024: D+2.7 2020: D+7.6 2016: D+4.4 2012: D+7.5 2008: D+15.6

Not yet ingested

Civics

Market trends

HPI YoY
▼ -96.00%
Current HPI
342.9027
Rent YoY
▲ 6.57%
Metro
Allentown-Bethlehem-Easton, PA-NJ
State GDP YoY
▲ 1.68%
F500 in state
34

Industry mix (Fortune 500 HQ in PA)

Industry F500 HQs Revenue

Price history

1 event — show timeline
  • 2026-05-28 Listed $159,000 GLVRMLS

Property tax history

-1.9%/yr

Latest (2026): $2,170 · +0.8% YoY. Source: county tax records.

Cash-flow waterfall

monthly

Sold comps — $/sqft

last 12 mo · ≤1 mi

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