Predictable carry
Mortgage, taxes, insurance, HOA, minimum utilities, yard service, monitoring, inspections, and travel.
Budget monthlyThese are the calculator inputs you can verify. Built for empty Bexar County houses
An empty house is never free. Know its real cost.
Turn scattered bills, quiet risks, and an open-ended timeline into one defensible monthly number—and a practical plan for what happens next.
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Recurring costsCount every bill that survives vacancyTime exposureSee 30, 90, 180, and 365 daysRisk controlsClose insurance, inspection, and notice gapsDecision triggerKnow when waiting deserves review
The complete cost stack
The mortgage is only the first line.
Experienced owners separate costs into three layers. Only the first is easy to see on a bank statement.
Condition drift
Roof, HVAC, plumbing, pests, paint, drainage, trees, cleaning, and systems that deteriorate even without occupants.
Fund a reserveA quiet month is not a zero-maintenance property.Loss exposure
Leak, freeze, fire, entry, vandalism, illegal dumping, code escalation, title fraud, and excluded or limited coverage.
Control, not guessUse inspections, alerts, coverage review, and response authority.Interactive tool 01
The Empty House Cost Calculator
Replace every example with your actual statement, invoice, or reserve. Results update instantly and stay in this browser.
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What this number is—and is not. It is a planning estimate of recurring cash outflow. It does not predict appreciation, sale proceeds, rent, tax treatment, financing changes, or the cost of a fire, leak, vandalism, major repair, legal issue, or uninsured loss.
The vacancy clock
Three checkpoints owners should not sleep through.
These are issue-spotting dates, not universal legal conclusions. Confirm the property, policy, jurisdiction, and notice.
Establish the baseline
- Record the last occupied date and current lawful access.
- Photograph every exterior side, interior room, meter, thermostat, and known defect.
- Notify the insurer of the actual occupancy and vacancy.
- Name the local responder and backup.
Insurance checkpoint
- Texas consumer guidance warns many companies stop some coverage after 60 vacant days.
- Ask what losses, property, liability, theft, vandalism, water, and freeze provisions apply.
- Obtain written confirmation; a verbal assumption is not a policy endorsement.
Local-program checkpoint
- Check San Antonio Vacant Building Program eligibility and program area.
- If a notice exists, calendar the actual deadline and assigned case contact.
- The City lists failure to register a covered vacant building within 90 days as a violation.
Decision checkpoint
- Reconcile actual cost versus budget.
- Compare photos for change, not just catastrophe.
- Review tax, mail, utilities, yard, access, and repair status.
- Re-test the keep, rent, repair, or sell trigger.
Interactive tool 02
Build your vacancy risk calendar.
Six facts turn a vague “we should check on it” into a dated protection plan.
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Make time visible
A cheaper month is not always a cheaper decision.
Deferring a one-time action can feel prudent because the bill is visible today. The monthly cost of waiting is quieter. Compare both on the same timeline.
Stabilize first
Stop active damage, secure access, and close coverage gaps before optimizing.
Compare net outcomes
Use cash required, time, risk, effort, and realistic net—not only a future asking price.
Choose a review date
A written trigger prevents “one more month” from becoming an accidental year.
Interactive tool 03
When does a one-time action pay back?
Test a stabilization, cleanout, repair, rent-ready project, or other action that changes the monthly carry.
Simple cash break-even7.1 months
Simple cash comparison only; it excludes financing, taxes, appreciation, rent, sale proceeds, risk reduction, and the time value of money.The inputs reduce monthly carrying cost by $850. At that pace, the initial $6,000 is recovered in about 8 months.
Minimum-care operating system
If you keep it empty, run it deliberately.
Physical inspection
A repeatable interior/exterior checklist, consistent photo angles, original timestamps, and a written exception report.
Water and climate
Meter alerts, main-shutoff knowledge, thermostat plan, freeze response, irrigation controls, and qualified help.
Insurance truth
The carrier knows the exact use and vacancy duration; coverage, exclusions, deductible, and required visits are documented.
Exterior standard
Grass, weeds, trash, fences, pool, drainage, roof, openings, alley, mail, and posted notices have named owners.
One property file
Deed, policy, tax account, loan, HOA, utilities, contacts, access log, photos, permits, notices, and invoices are current.
Decision governance
Actual monthly carry, funded reserve, intended purpose, next review date, and the event that ends the hold are written.
Official Bexar desk
Verify at the source.
Rules and account balances change. These links go directly to the public agency or utility responsible for the information.
San Antonio Vacant Buildings ProgramEligibility, map, registration, maintenance standards, current fees, and owner resourcesVacant-building maintenance standardsCity standards, insurance notes, violations, and penaltiesTexas Department of InsuranceVacancy guidance, policy questions, shopping help, and consumer assistanceBexar County property-tax accountCurrent tax account, statements, balances, and payment accessBexar County tax calendarPublished payment dates and current-year deadlinesSAWS residential ratesCurrent water and sewer rates and official bill resourcesCPS Energy bill and rate informationOfficial energy charge and bill explanationsBexar County Property AlertFree recorded-document notifications for a name or property
Do not send an untrained person into danger.
For fire, active crime, gas odor, medical danger, or immediate threat to life, call 911. Use qualified help for structural instability, fire damage, flooding, contamination, electrical hazards, active trespass, or unsafe entry.
Straight answers
Empty-house cost questions.
Educational issue-spotting for Bexar County owners. Confirm your facts with the responsible agency, insurer, lender, attorney, tax professional, or licensed contractor.
Does an empty house really cost money if there is no mortgage?
Yes. Property taxes, insurance, minimum utility charges, HOA dues, exterior care, inspections, security, repairs, travel, and capital deterioration can continue without a mortgage. Use actual bills rather than a generic national average.
Should I cancel utilities to reduce the carrying cost?
Not automatically. Water, electric, gas, irrigation, alarms, refrigeration, humidity control, freeze protection, and insurance requirements interact. Ask the insurer and qualified local professionals, then document which services stay active and who can respond.
Will regular homeowners insurance cover a vacant house?
Do not assume it will. The Texas Department of Insurance says most companies stop some coverage after a home has been vacant for 60 days or more. Policy language varies, so disclose the exact occupancy timeline and request written confirmation.
Must every empty house in San Antonio register as a vacant building?
No. The City program has defined eligibility and geographic rules. Check the current program map and guidance. If you received a Notice to Register, follow the notice and contact the program directly.
What happens around 90 days of vacancy?
For a property subject to San Antonio's Vacant Building Program, failure to register within 90 days can be a violation. Ninety days is also a useful private decision checkpoint even when the program does not apply.
What costs are missing from the calculator?
The tool estimates recurring cash outflow. It intentionally does not invent a probability-weighted number for major damage, theft, vandalism, uninsured loss, legal disputes, financing changes, appreciation, rent, or sale proceeds.
How often should someone inspect an empty house?
There is no universal cadence. Start with the insurance policy's requirements. Weekly documented checks are a prudent operating baseline for many vacant or higher-risk homes, with additional checks after severe weather, repairs, trespass, or unusual utility use.
When should I stop carrying the property?
Set a decision date instead of waiting indefinitely. Compare the property's purpose, the all-in monthly cost, cash reserve, condition trajectory, management burden, and realistic keep, rent, repair, or sale paths using the same facts.
One useful next step
Open the calculator Put a number and a date on the decision.
Calculate the real monthly carry, choose the next review date, and close any insurance or inspection gap today.