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509 B Glenn St
C+ Composite 61.56
Why this score? — see what drove the C+ 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 +24.1/30.0
  • DSCR +7.8/10.0
  • ARV discount +7.5/15.0
  • Appreciation +6.3/10.0
  • 1% rule +5.9/10.0
  • Livability +3.1/5.0
  • Rent growth +2.5/5.0
  • Condition / age +2.5/5.0
  • Schools +1.8/10.0

$110,000

509 B Glenn St · Zapata, TX 78076
3 bd · 1.0 ba · 1,500 sqft · SingleFamily public records · 152 Days on market
Built 1970 4,900 sqft lot $73/sqft · 52% below area

🖨 Deal sheet 📄 Offer letter ✓ Due diligence

Listing remarks MLS

If you’re looking to renovate, repurpose, or invest, this 3BR fixer-upper sits in a prime area ready to be transformed. This property located across from the courthouse, offers a fully fenced yard with mature shade trees. Great location close to amenities and all support facilities. This property offers strong upside and exceptional visibility in a highly desirable location. An additional property located next door is available, providing the option to acquire both half-lot listings and complete a full lot.

Key facts

  • Outdoor space
  • Mature shade trees
  • Excellent location

Tags

FULLY FENCED YARDMATURE SHADE TREESOUTDOOR SPACEEXCELLENT LOCATION

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 single-family listed at $110k.

Deal economics

  • At list price, monthly cash flow is $218 ($3k/yr) — positive.
  • The deal already cash-flows at list — no discount required.
  • Meets the 1% rule at list price ($1k rent vs $110k).
  • Recommended offer: $97k (12.0% below list) — sets the bar for market timing.

Location & tenants

  • Location reads 62/100 on livability (#903 in TX) — a middle-class / working-renter tenant base. Strengths: cost of living A+, housing A+; Watch: crime D, schools F, amenities F.
  • Zapata County ISD (town): math 21% / reading 24% proficiency, ranked #767 of 826 in TX (top 93%) — low school quality limits family demand, transient renter base, plan for 1-2y turnover; 70% free/reduced lunch — lower-income household profile, screen leases tightly.
  • Market conditions: 92 active listings in the ZIP.

Forward outlook

  • In year one you build about $4k of equity ($761 loan paydown + $3k appreciation (2.6% local appreciation)).
  • Zapata County population projected to shrink 3% by 2050 — rents likely to lag national; underwrite the cash flow, not the appreciation.
  • At projected returns (2.6% appreciation + 3.0% rent growth), your $31k cash investment doubles in ~5 years — after that, you're playing with house money.
  • By year 9, paydown + projected appreciation supports a ~$31k cash-out refi (75% LTV) — recoverable capital for the next deal without selling this one.

Negotiation context

  • It's been on market 152 days — a 12% lower offer ($97k) is reasonable based on typical stale-listing flexibility.

Risks & watch-outs

  • Climate carrying-cost: major wind risk, 55% chance of damaging wind over 30y; severe wildfire risk; extreme-heat days projected 6→18/yr by 2055 (HVAC capex compounding) — expect insurance premiums to compound above CPI over the hold.
Recommended offer $96,800 (12.0% below list)

Questions for the listing agent

  1. It's been on market 152 days. Have you received any prior offers? Is the seller open to a 12% concession, seller financing, or rate buy-down credit?
  2. Built in 1970 — when were the roof, HVAC, electrical panel, plumbing, and water heater last replaced?
  3. Why hasn't it sold? Are there any deal-killer items the seller is aware of (foundation, flood, title, zoning, code violations)?
  4. Is there a deadline driving the sale (1031 exchange, divorce, estate, relocation)? That informs how much negotiation room exists.
  5. 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?
  6. 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?
  7. 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.
  8. 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.
  9. 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
1.09%
Cap rate
8.67%
Cash-on-cash
8.51%
DSCR
1.38
GRM
7.6

CMA / ARV

ARV (median comp)
$228,893
List price
$110,000
Delta
-51.94%
Verdict
UNDERPRICED
Comps
2 within 1.0 mi
Show comp detail 1 sale within ~0.75 mi
Address Dist Beds/Ba Sqft Sold Price $/sf Match
105 Other Ln 0.42mi 3/2.0 1,566 (+4%) 9mo $279,500 $178 62

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

Projected returns pro-forma

2.61% appreciation · 3.0% rent growth · sell at horizon

5-year hold
IRR
14.5%
Equity multiple
1.81×
Total profit
$24,892
Equity at exit
$47,053
10-year hold
IRR
16.5%
Equity multiple
3.34×
Total profit
$72,002
Equity at exit
$70,696

Cash invested: $30,800 (down + closing). Projections, not guarantees.

Landlord ↔ Tenant lean methodology

Overall (STATE)
87 Strongly Landlord-Friendly
State Texas
87 Strongly Landlord-Friendly · R+5
County
— inherits STATE
City
— inherits STATE
3-day notice; statewide preemption; one of the fastest eviction climates; Travis County (Austin) slightly slower.

ZIP-level market 78076

Home prices YoY
2.3%
Active inventory
92
Price-to-rent
7.6×

Monthly cashflow live

Estimated rent
$1,201 medium interval (Pro) →
Mortgage (P&I)
$577
Tax from tax record
$107 /mo · $1,289/yr
Insurance
$46
HOA
$0
Vacancy / Maint / Mgmt
$252
Net cashflow
$218

Break-even live

Break-even rent $924
Max offer price $110,000
Occupancy floor 77%

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
$27,500
Closing costs
$3,300
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 13 events

  1. 2026-06-15
    days on market $110,000 Active 152 DOM
  2. 2026-06-15
    days on market $110,000 Active 151 DOM
  3. 2026-06-13
    days on market $110,000 Active 150 DOM
  4. 2026-06-12
    days on market $110,000 Active 149 DOM
  5. 2026-06-09
    days on market $110,000 Active 146 DOM
  6. 2026-06-08
    days on market $110,000 Active 145 DOM
  7. 2026-06-08
    days on market $110,000 Active 144 DOM
  8. 2026-06-07
    days on market $110,000 Active 143 DOM
  9. 2026-06-03
    days on market $110,000 Active 140 DOM
  10. 2026-06-02
    days on market $110,000 Active 139 DOM
  11. 2026-06-01
    days on market $110,000 Active 138 DOM
  12. 2026-05-31
    days on market $110,000 Active 137 DOM
  13. 2026-01-12
    listed $110,000 Active 518-char remark
    Show marketing remark (518 chars)

    If you’re looking to renovate, repurpose, or invest, this 3BR fixer-upper sits in a prime area ready to be transformed. This property located across from the courthouse, offers a fully fenced yard with mature shade trees. Great location close to amenities and all support facilities. This property offers strong upside and exceptional visibility in a highly desirable location. An additional property located next door is available, providing the option to acquire both half-lot listings and complete a full lot.

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

Tax reassessment forecast TX · Resets to sale price

Current annual tax
$1,289 · $107/mo
Projected year-2 tax
$2,013 · $168/mo
Expected delta
+$724/yr (+$60/mo · 56.1%)

ⓘ 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 8/10 Severe
  • 🌡 Heat 9/10 Extreme 6 d/yr ≥112°F today · 18 d/yr by 30 yrs out
  • 💨 Wind 6/10 Major 55% chance of damaging wind over 30 yrs
  • 🫁 Air quality 1/10 Low 0 unhealthy d/yr today · 0 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
$14,407
− Mortgage interest
−$6,162
− Property taxes
−$1,289
− Insurance
−$550
− Repairs & maintenance
−$1,153
− Management
−$1,153
− Depreciation
−$3,200
Taxable income
$901
combined federal + state — saved on this device
Est. tax owed @ 24.0%
−$216
After-tax cash flow
$2,404/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
Zapata County ISD
NCES district ID
4846710
Math proficiency
21% ▼ -23.00%
Reading proficiency
24% ▼ -11.00%
Median HH income
$30,189
Composite
18.09/100
National rank
#8974
State rank
#767 of 826 in TX

Livability — Zapata

Score
62/100
State rank
#903
US rank
#16191

Category grades

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

Schools grade is shown separately in the Schools card above.

Census & demographics

Census place
Zapata, TX
Population (ZIP)
13,085

Population outlook (Zapata County) Hauer SSP2

Today (2025)
14,795 people
By 2030
14,837 · +0.3%
By 2040
14,759 · -0.2%
By 2050
14,316 · -3.2%
By 2075
11,647 · -21.3%
By 2100
7,265 · -50.9%

Race, ethnicity, and origin ACS 2023

Neighborhood character
Predominantly Hispanic (94%)
Race & ethnicity
Hispanic / Latino 94% Two or more races 52% White 5%
Hispanic origin (detail)
Mexican 89%
Foreign-born
23% · Canada, Vietnam
Languages at home
16% English-only · Spanish 84% Vietnamese 1%

Political lean MEDSL · Zapata

2024 margin
Strong R (+22.4) · D 38.5% · R 61.0%
2008→2024 swing
-58.0pp toward R · 2008: 35.6pp · 2024: -22.4pp
All cycles
2024: R+22.4 2020: R+5.3 2016: D+32.8 2012: D+43.2 2008: D+35.6

Not yet ingested

Civics

Market trends

HPI YoY
▲ 2.61%
Current HPI
117.0315
Rent YoY
Metro
State GDP YoY
▲ 3.95%
F500 in state
110

Industry mix (Fortune 500 HQ in TX)

Industry F500 HQs Revenue

Price history

1 event — show timeline
  • 2026-01-12 Listed $110,000 LAOR

Property tax history

+2.7%/yr

Latest (2025): $1,289 · -2.2% YoY. Source: county tax records.

Cash-flow waterfall

monthly

Sold comps — $/sqft

last 12 mo · ≤1 mi

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