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210 Mercer St Duplex
B+ Composite 77.43
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 +13.5/15.0
  • DSCR +10.0/10.0
  • 1% rule +8.6/10.0
  • Rent growth +5.0/5.0
  • Schools +4.3/10.0
  • Livability +3.6/5.0
  • Condition / age +2.5/5.0
  • Appreciation +0.0/10.0

$135,000

210 Mercer St · Butler, PA 16001
3 bd · 2.0 ba · 1,949 sqft · MultiFamily public records · 171 Days on market
Built 1900 6,534 sqft lot Est $156k · 13% under

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

Multi-family units

County records classify this as Multi-Family (2-4 Unit). Listing-text estimate: 2 units. confirmed

Listing remarks MLS

210 Mercer St. is a fully occupied duplex located in Butler. The property is 100% occupied and consistently leased, generating $4,650.00 in quarterly rental income, or $18,600.00 annually. With a strong and reliable income stream, the duplex produces an approximate Net Operating Income (NOI) of $15,548.36 per year. Its central location and stable tenancy make this a solid investment opportunity with dependable cash flow.

Key facts

  • 6,534 sq ft lot
  • Built 1900
  • Listed 171 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 × 2-bed/1-bath units multifamily listed at $135k.

Deal economics

  • At list price, monthly cash flow is $508 ($6k/yr) — positive. Per door: $254/mo.
  • The deal already cash-flows at list — no discount required.
  • Meets the 1% rule at list price ($2k rent vs $135k).
  • Recommended offer: $119k (12.0% below list) — sets the bar for market timing.
  • Cap rate 10.8% vs local median 3.8% in Butler — 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 71/100 on livability (#705 in PA) — a middle-class / working-renter tenant base. Strengths: cost of living A+, health & safety A+, schools A-; Watch: crime D-, amenities F, commute F.
  • Butler Area SD (town): math 41% / reading 59% proficiency, ranked #181 of 539 in PA (top 34%) — acceptable for families but not a draw, mixed tenant base, ~2y average lease.
  • Market conditions: Rents rising fast (+20.4%/yr); 206 active listings in the ZIP; 2 comparable units currently listed for rent nearby; 987 units permitted in Butler County in 2024 (0 in 5+ unit buildings).
  • This rent runs 35% of the median local income ($64k/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 $933 of loan paydown is wiped out by about $4k of value loss. Plan a longer hold.
  • Butler County population projected to shrink 5% by 2050 — rents likely to lag national; underwrite the cash flow, not the appreciation.
  • At projected returns (-3.0% appreciation + 8.0% rent growth), your $38k cash investment doubles in ~6 years — after that, you're playing with house money.

Negotiation context

  • It's been on market 171 days — a 12% lower offer ($119k) is reasonable based on typical stale-listing flexibility.
  • 3 sale attempts since 10y ago; this cycle's ask has dropped $15k (10%) from the opening price — seller is motivated, your offer sets the floor, not the list.
  • Current owner paid $90k; list at $135k implies a 50% gain — meaningful room to come down on a strong offer.

Risks & watch-outs

  • Watch-outs: built in 1900 — expect roof / HVAC / electrical / plumbing capex.
Recommended offer $118,800 (12.0% below list)

Questions for the listing agent

  1. It's been on market 171 days. Have you received any prior offers? Is the seller open to a 12% concession, seller financing, or rate buy-down credit?
  2. Can we see the unit-by-unit rent roll, current vacancy, and any below-market leases? What's the average tenancy length?
  3. What capital expenditures (roof, boiler, parking lot, exteriors) have been made in the last 5 years, and what's planned in the next 2?
  4. Built in 1900 — when were the roof, HVAC, electrical panel, plumbing, and water heater last replaced?
  5. Why hasn't it sold? Are there any deal-killer items the seller is aware of (foundation, flood, title, zoning, code violations)?
  6. Is there a deadline driving the sale (1031 exchange, divorce, estate, relocation)? That informs how much negotiation room exists.
  7. Schools are A-rated — typically a magnet for longer-tenancy family renters. What's the average tenant stay here, and is there a school-zone premium baked into asking?
  8. Crime grade is D 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?
  9. 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.
  10. 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.
  11. How much new apartment / multifamily construction is in the pipeline within 1–3 miles? Heavy new supply (>2% of stock underway) typically softens rents 12–24 months out; light construction supports rent growth.

Investment metrics

1% rule
1.36%
Cap rate
10.81%
Cash-on-cash
16.14%
DSCR
1.72
GRM
6.1

CMA / ARV

ARV (median comp)
$155,844
List price
$135,000
Delta
-13.37%
Verdict
UNDERPRICED
Comps
1 within 2.0 mi

Projected returns pro-forma

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

5-year hold
IRR
12.7%
Equity multiple
1.54×
Total profit
$20,232
Equity at exit
$20,129
10-year hold
IRR
25.2%
Equity multiple
3.74×
Total profit
$103,580
Equity at exit
$11,672

Cash invested: $37,800 (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 16001

Home prices YoY
-31.7%
Rents YoY
20.4%
Active inventory
206
Price-to-rent
12.3×

Monthly cashflow live

Estimated rent
$1,835 high interval (Pro) →
Mortgage (P&I)
$708
Tax from tax record
$177 /mo · $2,125/yr
Insurance
$56
HOA
$0
Vacancy / Maint / Mgmt
$385
Net cashflow
$508

Break-even live

Break-even rent $1,192
Max offer price $135,000
Occupancy floor 67%

Sensitivity live

Price -10% $585 -5% $547 +0% $508 +5% $470 +10% $432
Rent -10% $363 -5% $436 +0% $508 +5% $581 +10% $653
Rate -1.0pp $576 -0.5pp $543 base $508 +0.5pp $473 +1.0pp $438

2-unit breakdown (identical units grouped — click to expand)

UnitsBedsBathsEst. rent
Total (2 units) $1,835

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
$33,750
Closing costs
$4,050
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 2 comps

AddressBedsBaths SqftRent$/sqft DOM Units Dist
208 E Walnut St Butler, PA 3.0 1.5 1297 $1,050 $0.81 24d 1 0.73mi
415 Brown Ave Butler, PA 3.0 2.5 1640 $1,500 $0.91 13d 1 1.30mi

Listing history 23 events

  1. 2026-06-18
    days on market $135,000 Active 171 DOM
  2. 2026-06-17
    days on market $135,000 Active 170 DOM
  3. 2026-06-16
    days on market $135,000 Active 169 DOM
  4. 2026-06-15
    days on market $135,000 Active 168 DOM
  5. 2026-06-13
    days on market $135,000 Active 166 DOM
  6. 2026-06-13
    days on market $135,000 Active 165 DOM
  7. 2026-06-09
    days on market $135,000 Active 162 DOM
  8. 2026-06-08
    days on market $135,000 Active 161 DOM
  9. 2026-06-07
    days on market $135,000 Active 160 DOM
  10. 2026-06-03
    days on market $135,000 Active 156 DOM
  11. 2026-06-02
    days on market $135,000 Active 155 DOM
  12. 2026-06-01
    days on market $135,000 Active 154 DOM
  13. 2026-05-31
    days on market $135,000 Active 153 DOM
  14. 2026-03-18
    price $135,000 424-char remark
    Show marketing remark (424 chars)

    210 Mercer St. is a fully occupied duplex located in Butler. The property is 100% occupied and consistently leased, generating $4,650.00 in quarterly rental income, or $18,600.00 annually. With a strong and reliable income stream, the duplex produces an approximate Net Operating Income (NOI) of $15,548.36 per year. Its central location and stable tenancy make this a solid investment opportunity with dependable cash flow.

  15. 2025-12-28
    listed $150,000 Active 424-char remark
    Show marketing remark (424 chars)

    210 Mercer St. is a fully occupied duplex located in Butler. The property is 100% occupied and consistently leased, generating $4,650.00 in quarterly rental income, or $18,600.00 annually. With a strong and reliable income stream, the duplex produces an approximate Net Operating Income (NOI) of $15,548.36 per year. Its central location and stable tenancy make this a solid investment opportunity with dependable cash flow.

  16. 2019-03-29
    soldstatus $90,000
  17. 2018-01-02
    historical Expired 97-char remark
    Show marketing remark (97 chars)

    4 detached garages provide rent also. Separate utilities. Newer roof and windows. Nice large lot.

  18. 2017-12-05
    price $59,405 97-char remark
    Show marketing remark (97 chars)

    4 detached garages provide rent also. Separate utilities. Newer roof and windows. Nice large lot.

  19. 2017-01-04
    listed $56,905 Active 97-char remark
    Show marketing remark (97 chars)

    4 detached garages provide rent also. Separate utilities. Newer roof and windows. Nice large lot.

  20. 2017-01-04
    historical Expired
    Show marketing remark (97 chars)

    4 detached garages provide rent also. Separate utilities. Newer roof and windows. Nice large lot.

  21. 2016-06-30
    price $56,905
  22. 2016-06-14
    price $59,900
  23. 2016-01-05
    listed $64,000 Active

ⓘ 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
$2,125 · $177/mo
Projected year-2 tax
$2,129 · $177/mo
Expected delta
+$4/yr ($0/mo · 0.2%)

ⓘ 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 3/10 Moderate 7 d/yr ≥95°F today · 17 d/yr by 30 yrs out
  • 💨 Wind 1/10 Low 0% chance of damaging wind over 30 yrs
  • 🫁 Air quality 3/10 Moderate 2 unhealthy d/yr today · 4 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
$22,020
− Mortgage interest
−$7,562
− Property taxes
−$2,125
− Insurance
−$675
− Repairs & maintenance
−$1,762
− Management
−$1,762
− Depreciation
−$3,927
Taxable income
$4,207
combined federal + state — saved on this device
Est. tax owed @ 24.0%
−$1,010
After-tax cash flow
$5,091/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
Butler Area SD
NCES district ID
4204590
Math proficiency
41% ▼ -11.00%
Reading proficiency
59% ▼ -10.00%
Median HH income
$49,348
Composite
42.65/100
National rank
#3180
State rank
#181 of 539 in PA

Livability — Butler

Score
71/100
State rank
#705
US rank
#6951

Category grades

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

Schools grade is shown separately in the Schools card above.

Census & demographics

Census place
Butler, PA
County
Butler County · 73,107 people
City population
39,234
Metro
Pittsburgh, PA
Population (ZIP)
39,234
Household income
$63,635
Rent vs Own
31.6% rent · 68.4% own
Severe rent burden
1441.0

Population outlook (Butler County) Hauer SSP2

Today (2025)
190,777 people
By 2030
191,476 · +0.4%
By 2040
189,474 · -0.7%
By 2050
182,050 · -4.6%
By 2075
159,526 · -16.4%
By 2100
129,028 · -32.4%

Race, ethnicity, and origin ACS 2023

Neighborhood character
Predominantly White (92%)
Race & ethnicity
White 92% Two or more races 4% Hispanic / Latino 2% Black 1%
Common ancestry
Romanian 8% Serbian 4% Slovak 2%
Foreign-born
1% · Canada
Languages at home
98% English-only · Spanish 1%

Political lean MEDSL · Butler

2024 margin
Solid R (+32.2) · D 33.5% · R 65.7%
2008→2024 swing
-4.8pp toward R · 2008: -27.4pp · 2024: -32.2pp
All cycles
2024: R+32.2 2020: R+32.5 2016: R+37.5 2012: R+34.9 2008: R+27.4

Not yet ingested

Civics

Market trends

HPI YoY
▼ -103.40%
Current HPI
222.4445
Rent YoY
▲ 20.36%
Metro
Pittsburgh, PA
State GDP YoY
▲ 1.68%
F500 in state
34

Industry mix (Fortune 500 HQ in PA)

Industry F500 HQs Revenue

Price history

+110.9% since first listed
10 events — show timeline
  • 2026-03-18 Price Changed $135,000 West Penn MLS
  • 2025-12-28 Listed $150,000 West Penn MLS
  • 2019-03-29 Sold (Public Records) $90,000 Public Records
  • 2018-01-02 Delisted West Penn MLS
  • 2017-12-05 Price Changed $59,405 West Penn MLS
  • 2017-01-04 Listed $56,905 West Penn MLS
  • 2017-01-04 Delisted West Penn MLS
  • 2016-06-30 Price Changed $56,905 West Penn MLS
  • 2016-06-14 Price Changed $59,900 West Penn MLS
  • 2016-01-05 Listed $64,000 West Penn MLS

Property tax history

+0.1%/yr

Latest (2026): $2,125 · -6.3% YoY. Source: county tax records.

Cash-flow waterfall

monthly

Sold comps — $/sqft

last 12 mo · ≤1 mi

Loading sold comps…