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511 -517 Main St S St S Fourplex
B+ Composite 77.88
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 +15.0/15.0
  • DSCR +10.0/10.0
  • 1% rule +8.8/10.0
  • Schools +5.2/10.0
  • Livability +3.6/5.0
  • Condition / age +2.8/5.0
  • Rent growth +2.5/5.0
  • Appreciation +0.0/10.0

$325,000

511 -517 Main St S St S · Lennox, SD 57039
8 bd · 4.8 ba · 4,372 sqft · MultiFamily · 10 Days on market
Built 1969 Average condition 7,100 sqft lot Est $455k · 29% under

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

Multi-family units

County records classify this as Multi-Family (5+ Unit). Listing-text estimate: 4 units. estimate disagrees with records

5+ unit building — per-unit beds/baths from public records are typically unavailable; the breakdown below (if shown) is an estimate from the listing text.

Key facts

  • 5 plex opportunity
  • Newer boiler
  • 4 stall garage

Tags

5 PLEX OPPORTUNITYCOIN OPERATED LAUNDRY4 STALL GARAGESEPARATE ELECTRICALNEWER BOILER

Property features AI

Finance

  • Other: Bedroom counts vary by unit
  • Financial info: Five rental units total; Rents: four 2-bed units at $625 each; one 1-bed unit at $750; Owner pays gas, water, trash collection, grounds care, snow removal, and sewer

Exterior

  • Parking: Detached parking (garage condition could change)
  • Utilities: Public water; Public sewer; Natural gas
  • Home design: Two-story multifamily building; HardiPlank-type siding
  • Construction: Block foundation; Composition roof
  • Exterior features: Private entry; Lot approximately 142 x 50

Interior

  • Kitchen: Refrigerator; Range
  • Bedrooms: Four units with 2 bedrooms each; one unit with 1 bedroom
  • Flooring: Carpet; Laminate
  • Bathrooms: Each unit has 1 bathroom
  • Heating & cooling: Baseboard and radiant heating; Natural gas heating; Window air conditioning units
  • Interior features: Full basement; Carpet and laminate flooring
  • Laundry & utility: Owner pays gas, water, and sewer

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 4 × 2-bed/1.2-bath units multifamily listed at $325k. Condition is rated average.

Deal economics

  • At list price, monthly cash flow is $1k ($16k/yr) — positive. Per door: $327/mo.
  • The deal already cash-flows at list — no discount required.
  • Meets the 1% rule at list price ($4k rent vs $325k).
  • Cap rate 11.1% vs local median 1.8% in Lennox — 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 (#50 in SD) — a middle-class / working-renter tenant base. Strengths: crime A+, cost of living A+, housing A+; Watch: amenities F, commute F, health & safety D-.
  • Lennox School District 41-4 (rural): math 56% / reading 64% proficiency, ranked #5 of 59 in SD (top 8%) — acceptable for families but not a draw, mixed tenant base, ~2y average lease; only 12% free/reduced lunch — higher-income household profile.
  • Zoned schools: Lennox Elementary - 02 (math 72% / reading 67%, grade A-, #19 of 253 statewide, top 12%, 369 students, 16% FRL); Lennox Jr. High - 08 (math 57% / reading 67%, grade B+, #13 of 143 statewide, top 11%, 189 students, 15% FRL); Lennox High School - 01 (math 32% / reading 77%, grade C-, #53 of 151 statewide, top 41%, 359 students, 14% FRL) — zoned schools at 15% FRL track the district average.
  • Market conditions: 56 active listings in the ZIP; 232 units permitted in Lincoln County in 2024 (14 in 5+ unit buildings).

Forward outlook

  • Local home prices are declining (-3.0%/yr); year-one equity from $2k of loan paydown is wiped out by about $10k of value loss. Plan a longer hold.
  • Lincoln County population projected at +66% by 2050 — long-run rental-demand tailwind backs the buy-and-hold thesis.
  • At projected returns (-3.0% appreciation + 3.0% rent growth), your $91k cash investment doubles in ~7 years — after that, you're playing with house money.

Negotiation context

  • Only 10 days on market — expect competitive offers; lowballing is unlikely to land.
Recommended offer $325,000

Questions for the listing agent

  1. Can we see the unit-by-unit rent roll, current vacancy, and any below-market leases? What's the average tenancy length?
  2. What capital expenditures (roof, boiler, parking lot, exteriors) have been made in the last 5 years, and what's planned in the next 2?
  3. Built in 1969 — when were the roof, HVAC, electrical panel, plumbing, and water heater last replaced?
  4. Is there a deadline driving the sale (1031 exchange, divorce, estate, relocation)? That informs how much negotiation room exists.
  5. Schools are B-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?
  6. 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.
  7. 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.
  8. 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
1.38%
Cap rate
11.13%
Cash-on-cash
17.26%
DSCR
1.77
GRM
6.0

CMA / ARV

ARV (on-the-fly)
$454,688
Comps found
1
Show comp detail 1 sale within ~0.75 mi
Address Dist Beds/Ba Sqft Sold Price $/sf Match
413 N Main St 0.64mi 8/4.0 4,000 (-8%) 23mo $415,000 $104 33

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 · 3.0% rent growth · sell at horizon

5-year hold
IRR
8.6%
Equity multiple
1.34×
Total profit
$30,775
Equity at exit
$48,459
10-year hold
IRR
17.8%
Equity multiple
2.48×
Total profit
$134,427
Equity at exit
$28,100

Cash invested: $91,000 (down + closing). Projections, not guarantees.

Landlord ↔ Tenant lean methodology

Overall (STATE)
83 Strongly Landlord-Friendly
State South Dakota
83 Strongly Landlord-Friendly · R+16
County
— inherits STATE
City
— inherits STATE
3-day notice; mostly landlord-friendly.

ZIP-level market 57039

Active inventory
56
Price-to-rent
24.1×

Monthly cashflow live

Estimated rent
$4,500 medium interval (Pro) →
Mortgage (P&I)
$1,704
Tax est. 1.5%
$406 /mo · $4,875/yr
Insurance
$135
HOA
$0
Vacancy / Maint / Mgmt
$945
Net cashflow
$1,309

Break-even live

Break-even rent $2,843
Max offer price $325,000
Occupancy floor 66%

Sensitivity live

Price -10% $1,534 -5% $1,421 +0% $1,309 +5% $1,197 +10% $1,084
Rent -10% $953 -5% $1,131 +0% $1,309 +5% $1,487 +10% $1,664
Rate -1.0pp $1,473 -0.5pp $1,392 base $1,309 +0.5pp $1,225 +1.0pp $1,139

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

UnitsBedsBathsEst. rent
Total (4 units) $4,500

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
$81,250
Closing costs
$9,750
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.

Listing history 7 events

  1. 2026-06-21
    days on market $325,000 Active 10 DOM
  2. 2026-06-18
    days on market $325,000 Active 7 DOM
  3. 2026-06-17
    days on market $325,000 Active 6 DOM
  4. 2026-06-16
    days on market $325,000 Active 5 DOM
  5. 2026-06-15
    days on market $325,000 Active 4 DOM
  6. 2026-06-14
    days on market $325,000 Active 2 DOM
  7. 2026-06-13
    listed $325,000 Active 1 DOM

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

Climate risk First Street

  • 🌡 Heat 3/10 Moderate
  • 🫁 Air quality 2/10 Low 1 unhealthy d/yr today · 1 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
$54,000
− Mortgage interest
−$18,205
− Property taxes
−$4,875
− Insurance
−$1,625
− Repairs & maintenance
−$4,320
− Management
−$4,320
− Depreciation
−$9,455
Taxable income
$11,200
combined federal + state — saved on this device
Est. tax owed @ 24.0%
−$2,688
After-tax cash flow
$13,020/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.

Condition & rehab AI · 12 photos

Average 55/100 Moderate rehab

The property is in average condition with moderate repairs needed in the kitchen and bathrooms. Upgrading these areas would significantly increase its resale and rental value.

Repairs flagged

  • Moderate kitchen cabinets — dated and in need of replacement
  • Moderate bathroom fixtures — dated and in need of replacement
  • Minor HVAC system — may need cleaning or minor repairs

Value-add opportunities

  • Both update kitchen cabinets and appliances — modernizing the kitchen would appeal to buyers and renters
  • Both replace bathroom fixtures and cabinets — modernizing the bathrooms would appeal to buyers and renters
  • Both paint exterior — painting the exterior would improve curb appeal and increase property value

Renovation cost estimate screening

Repair itemSeverityEst. cost
kitchen cabinets · dated and in need of replacement Moderate $3,000–15,000
bathroom fixtures · dated and in need of replacement Moderate $3,000–15,000
HVAC system · may need cleaning or minor repairs Minor $500–3,000
Total estimated repair cost · 3 items $6,500–33,000

Value-add ROI direction

  • Both update kitchen cabinets and appliances — modernizing the kitchen would appeal to buyers and renters
  • Both replace bathroom fixtures and cabinets — modernizing the bathrooms would appeal to buyers and renters
  • Both paint exterior — painting the exterior would improve curb appeal and increase property value

ⓘ Cost ranges are severity-bucket heuristics (US national rule-of-thumb). Get contractor quotes + a written scope before underwriting a rehab budget.

Schools (NCES district)

District
Lennox School District 41-4
NCES district ID
4641550
Math proficiency
56% ▲ 3.00%
Reading proficiency
64% ▲ 2.00%
Median HH income
$63,780
Composite
52.37/100
National rank
#1584
State rank
#5 of 59 in SD

Livability — Lennox

Score
71/100
State rank
#50
US rank
#6618

Category grades

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

Schools grade is shown separately in the Schools card above.

Census & demographics

Census place
Lennox, SD
Population (ZIP)
3,875

Population outlook (Lincoln County) Hauer SSP2

Today (2025)
70,138 people
By 2030
78,929 · +12.5%
By 2040
97,132 · +38.5%
By 2050
116,136 · +65.6%
By 2075
166,314 · +137.1%
By 2100
219,430 · +212.9%

Race, ethnicity, and origin ACS 2023

Neighborhood character
Predominantly White (90%)
Race & ethnicity
White 90% Two or more races 5% Hispanic / Latino 3% Black 1%
Common ancestry
Portuguese 21% Iranian 9% Romanian 3%
Foreign-born
0% · Canada
Languages at home
99% English-only · Spanish 1%

Political lean MEDSL · Lincoln

2024 margin
Strong R (+26.5) · D 35.7% · R 62.2% · Other 2.2%
2008→2024 swing
-11.3pp toward R · 2008: -15.2pp · 2024: -26.5pp
All cycles
2024: R+26.5 2020: R+23.6 2016: R+29.4 2012: R+25.6 2008: R+15.2

Not yet ingested

Civics

Market trends

HPI YoY
▼ -88.67%
Current HPI
149.1732
Rent YoY
Metro
State GDP YoY
▲ 0.70%
F500 in state
2

Industry mix (Fortune 500 HQ in SD)

Industry F500 HQs Revenue

Price history

1 event — show timeline
  • 2026-06-01 Listed $325,000 REALTOR® Association of the Sioux Empire

Cash-flow waterfall

monthly

Sold comps — $/sqft

last 12 mo · ≤1 mi

Loading sold comps…