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523 S Preston St
D Composite 40.49
Why this score? — see what drove the D 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 +12.6/30.0
  • ARV discount +8.2/15.0
  • 1% rule +3.8/10.0
  • Livability +3.8/5.0
  • DSCR +3.7/10.0
  • Rent growth +2.5/5.0
  • Condition / age +2.5/5.0
  • Appreciation +2.2/10.0
  • Schools +1.2/10.0

$239,900

523 S Preston St · Cortland, IL 60112
2 bd · 1.5 ba · 1,282 sqft · Other public records · 88 Days on market
Built 2026 3,872 sqft lot $187/sqft · 14% below area Est $244k · at est. $42/mo HOA · 2% of rent

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

Listing remarks MLS

AMAZING, UNDER CONSTRUCTION 1/2 DUPLEX!! Another spectacular new construction project in the desirable Chestnut Grove subdivision! 2 BR, 1 BATH 1/2 duplex features a fantastic open floor plan! Ranch-style living with everything you need on one level! The kitchen features an expanded island with bar stool seating, granite countertops, white or gray cabinetry, aged bronze or nickel fixtures, and stainless steel appliances! Elementary school is located in the subdivision, so kids can walk to school! Minutes from I-88 for commuters or weekend fun! One-car garage! Pull down attic stairs for additional storage! Don't forget to check out the 3D tour of this amazing home! Home to be completed early SEPTEMBER 2026! There is still time to choose the interior finishes. Pictures are from a previous model. Lot dimensions are estimated, and the final plat of the survey will be delivered at closing.

Key facts

  • Open floor plan
  • Granite countertops
  • Expanded island

Tags

OPEN FLOOR PLANEXPANDED ISLANDGRANITE COUNTERTOPSWHITE OR GRAY CABINETRYAGED BRONZE OR NICKEL FIXTURESSTAINLESS STEEL APPLIANCES

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 other listed at $240k.

Deal economics

  • At list price, monthly cash flow is $-33 ($-393/yr) — negative.
  • To cash-flow at today's rent, offer at most $235k (2.0% below list).
  • To meet the 1% rule (rent ≥ 1% of price), the offer needs to be $211k (12.0% below list).
  • Recommended offer: $211k (12.0% below list) — sets the bar for 1% rule.
  • Cap rate 6.1% vs local median 3.6% in Cortland — 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 76/100 on livability (#184 in IL, #3,520 nationally) — a middle-class / working-renter tenant base. Strengths: crime A+, cost of living A+, housing A+; Watch: amenities F, commute F.
  • Dekalb CUSD 428 (suburban): math 11% / reading 16% proficiency, ranked #541 of 620 in IL (top 87%) — low school quality limits family demand, transient renter base, plan for 1-2y turnover.
  • Zoned schools: Cortland Elementary School (math 8% / reading 8%, grade F, #1,627 of 2,056 statewide, top 81%, 519 students, 0% FRL); Huntley Middle School (math 12% / reading 16%, grade F, #529 of 665 statewide, top 80%, 934 students, 0% FRL); Dekalb High School (math 18% / reading 28%, grade F, #312 of 693 statewide, top 46%, 2,083 students, 0% FRL) — zoned schools average 0% FRL vs 48% district-wide (48 pts lower); this property's tenant base skews higher-income than the district average.
  • Market conditions: 53 active listings in the ZIP; 2 comparable units currently listed for rent nearby; 260 units permitted in DeKalb County in 2024 (73 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 $7k of value loss. Plan a longer hold.
  • DeKalb County population projected to shrink 5% by 2050 — rents likely to lag national; underwrite the cash flow, not the appreciation.

Negotiation context

  • It's been on market 88 days — a 6% lower offer ($226k) is reasonable based on typical stale-listing flexibility.
Recommended offer $211,035 (12.0% below list)

Questions for the listing agent

  1. What do current leases actually rent for vs. the listed asking? Can we see a recent rent roll and the last 12 months of T-12 income?
  2. It's been on market 88 days. Have you received any prior offers? Is the seller open to a 12% concession, seller financing, or rate buy-down credit?
  3. What does the HOA fee cover, when was the last increase, and are there any pending special assessments or reserve-fund shortfalls?
  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. The area grade is low — what's the realistic commute time and amenity access for the typical tenant pool here? Any planned neighborhood developments (good or bad) we should know about?
  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
0.88%
Cap rate
6.13%
Cash-on-cash
-0.58%
DSCR
0.97
GRM
9.5

CMA / ARV

ARV (median comp)
$243,668
List price
$239,900
Delta
-1.55%
Verdict
FAIR
Comps
20 within 1.0 mi

Projected returns pro-forma

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

5-year hold
IRR
-17.2%
Equity multiple
0.39×
Total profit
$-40,900
Equity at exit
$35,770
10-year hold
IRR
-9.2%
Equity multiple
0.43×
Total profit
$-38,064
Equity at exit
$20,742

Cash invested: $67,172 (down + closing). Projections, not guarantees.

Landlord ↔ Tenant lean methodology

Overall (STATE)
43 Moderately Tenant-Leaning
State Illinois
43 Moderately Tenant-Leaning · D+7
County
— inherits STATE
City
— inherits STATE
Chicago RTLO is among the strongest tenant ordinances in the Midwest; downstate is more landlord-friendly.

ZIP-level market 60112

Home prices YoY
-2.2%
Active inventory
53
Price-to-rent
9.5×

Monthly cashflow live

Estimated rent
$2,110 medium interval (Pro) →
Mortgage (P&I)
$1,258
Tax est. 1.5%
$300 /mo · $3,598/yr
Insurance
$100
HOA
$42
Vacancy / Maint / Mgmt
$443
Net cashflow
$-33

Break-even live

Break-even rent $2,152
Max offer price $235,166
Occupancy floor 97%

Sensitivity live

Price -10% $133 -5% $50 +0% $-33 +5% $-116 +10% $-199
Rent -10% $-199 -5% $-116 +0% $-33 +5% $51 +10% $134
Rate -1.0pp $88 -0.5pp $28 base $-33 +0.5pp $-95 +1.0pp $-158

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
$59,975
Closing costs
$7,197
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
344 E Stratford Ave Unit Na Cortland, IL 2.0 1.0 1120 $2,100 $1.88 45d 1 0.17mi
104 N Spruce St Cortland, IL 3.0 1.0 1092 $2,200 $2.01 18d 1 1.42mi

HOA detail

Monthly dues
$42 · $504/yr

Listing history 16 events

  1. 2026-06-21
    days on market $239,900 Active 88 DOM
  2. 2026-06-18
    days on market $239,900 Active 85 DOM
  3. 2026-06-17
    days on market $239,900 Active 84 DOM
  4. 2026-06-16
    days on market $239,900 Active 83 DOM
  5. 2026-06-15
    days on market $239,900 Active 82 DOM
  6. 2026-06-13
    days on market $239,900 Active 80 DOM
  7. 2026-06-13
    days on market $239,900 Active 79 DOM
  8. 2026-06-09
    days on market $239,900 Active 76 DOM
  9. 2026-06-08
    days on market $239,900 Active 75 DOM
  10. 2026-06-07
    days on market $239,900 Active 74 DOM
  11. 2026-06-04
    days on market $239,900 Active 71 DOM
  12. 2026-06-03
    days on market $239,900 Active 70 DOM
  13. 2026-06-02
    days on market $239,900 Active 69 DOM
  14. 2026-06-01
    days on market $239,900 Active 68 DOM
  15. 2026-05-31
    days on market $239,900 Active 67 DOM
  16. 2026-03-25
    listed $239,900 Active 897-char remark
    Show marketing remark (897 chars)

    AMAZING, UNDER CONSTRUCTION 1/2 DUPLEX!! Another spectacular new construction project in the desirable Chestnut Grove subdivision! 2 BR, 1 BATH 1/2 duplex features a fantastic open floor plan! Ranch-style living with everything you need on one level! The kitchen features an expanded island with bar stool seating, granite countertops, white or gray cabinetry, aged bronze or nickel fixtures, and stainless steel appliances! Elementary school is located in the subdivision, so kids can walk to school! Minutes from I-88 for commuters or weekend fun! One-car garage! Pull down attic stairs for additional storage! Don't forget to check out the 3D tour of this amazing home! Home to be completed early SEPTEMBER 2026! There is still time to choose the interior finishes. Pictures are from a previous model. Lot dimensions are estimated, and the final plat of the survey will be delivered at closing.

ⓘ 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

  • 🌊 Flood 1/10 Low FEMA zone X (unshaded) · 0% chance over 30 yrs
  • 🔥 Wildfire 1/10 Low
  • 🌡 Heat 2/10 Low 7 d/yr ≥100°F today · 15 d/yr by 30 yrs out
  • 💨 Wind 2/10 Low 100% chance of damaging wind over 30 yrs
  • 🫁 Air quality 3/10 Moderate 1 unhealthy d/yr today · 3 by 30 yrs out

Nearby sold comps map

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Walkable amenities ~0.75 mi

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Taxation est. · year 1

Rental income
$25,324
− Mortgage interest
−$13,438
− Property taxes
−$3,598
− Insurance
−$1,200
− Repairs & maintenance
−$2,026
− Management
−$2,026
− HOA
−$504
− Depreciation
−$6,979
Taxable loss
−$4,447
combined federal + state — saved on this device
Est. tax savings @ 24.0%
+$1,067
After-tax cash flow
$675/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
Dekalb CUSD 428
NCES district ID
1712000
Math proficiency
11% ▼ -9.00%
Reading proficiency
16% ▼ -6.00%
Median HH income
$42,007
Composite
11.74/100
National rank
#9685
State rank
#541 of 620 in IL

Livability — Cortland

Score
76/100
State rank
#184
US rank
#3520

Category grades

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

Schools grade is shown separately in the Schools card above.

Census & demographics

Census place
Cortland, IL
City population
4,611
Population (ZIP)
4,611

Population outlook (DeKalb County) Hauer SSP2

Today (2025)
104,983 people
By 2030
104,428 · -0.5%
By 2040
102,199 · -2.7%
By 2050
99,303 · -5.4%
By 2075
93,978 · -10.5%
By 2100
88,527 · -15.7%

Race, ethnicity, and origin ACS 2023

Neighborhood character
Predominantly White (72%)
Race & ethnicity
White 72% Hispanic / Latino 17% Two or more races 10% Black 9%
Hispanic origin (detail)
Mexican 12% Puerto Rican 2%
Common ancestry
Romanian 10% Iranian 4% Portuguese 3%
Foreign-born
2% · Canada, Jamaica
Languages at home
92% English-only · Spanish 8%

Political lean MEDSL · DeKalb

2024 margin
Toss-up / Even · D 50.1% · R 48.1% · Other 1.7%
2008→2024 swing
-14.8pp toward R · 2008: 16.8pp · 2024: 2.0pp
All cycles
2024: D+2.0 2020: D+5.7 2016: D+3.0 2012: D+5.5 2008: D+16.8

Not yet ingested

Civics

Market trends

HPI YoY
▼ -5.55%
Current HPI
250.0297
Rent YoY
Metro
State GDP YoY
▲ 1.59%
F500 in state
60

Industry mix (Fortune 500 HQ in IL)

Industry F500 HQs Revenue

Price history

1 event — show timeline
  • 2026-03-25 Listed $239,900 MRED as Distributed by MLS Grid

Property tax history

-8.0%/yr

Latest (2025): $362 · +4.6% YoY. Source: county tax records.

Cash-flow waterfall

monthly

Sold comps — $/sqft

last 12 mo · ≤1 mi

Loading sold comps…