La vigencia del seguro de hogar termina mañana.

In this sentence, vigencia means the period during which something is valid or in force. In insurance and legal contexts, it often refers to the time a policy is active.

So la vigencia del seguro de hogar is basically the validity period / active coverage period of the home insurance policy.

This is a fairly formal word. In everyday conversation, people might also talk about when a policy vence or se vence.

Spanish often uses the definite article more than English does.

Here, la vigencia refers to a specific validity period: the one belonging to that insurance policy. So the article sounds natural and expected.

Compare:

• La vigencia del seguro termina mañana. = The policy period ends tomorrow.
• Vigencia del seguro without la might sound more like a heading, label, or very telegraphic style.

Because de + el contracts to del in Spanish.

So:

• de + el seguro → del seguro

This contraction is mandatory in normal Spanish, except when el is part of a proper name.

Examples:

• la puerta del coche
• el color del edificio
• la vigencia del seguro

Seguro de hogar means home insurance as a type or category of insurance. The structure noun + de + noun is very common for naming kinds of things.

So here de hogar works like for the home / home-related.

Compare:

• seguro de hogar = home insurance
• seguro de vida = life insurance
• seguro de auto = car insurance

If you said seguro del hogar, it would sound more like the insurance of the home, referring to a specific home in a more literal possessive way. That is less natural here.

Spanish often uses the present tense for scheduled or near-future events, just like English sometimes does.

So termina mañana means it ends tomorrow, even though termina is grammatically present tense.

This is very common and natural.

Other examples:

• El curso empieza el lunes.
• Mi vuelo sale mañana.
• La póliza vence la próxima semana.

You could also express the future more explicitly, but the present tense is perfectly normal here.

Yes. You could say:

• La vigencia del seguro de hogar terminará mañana.

This is correct, but it sounds a little more formal or explicit. In everyday Spanish, the present tense version is often more natural:

• La vigencia del seguro de hogar termina mañana.

Both are correct.

It is correct and natural, but in insurance contexts native speakers may very often say:

• vence mañana
• se vence mañana
• expira mañana
• caduca mañana (less common depending on region/context)

For a policy, vencer is especially common:

• El seguro vence mañana.

Your original sentence is a bit more formal because it talks about la vigencia rather than just el seguro.

Here mañana means tomorrow.

The accent mark is part of the spelling of the word. Without it, manana would be misspelled.

Also, mañana can mean either:

• tomorrow
• morning

The context tells you which one it means. In this sentence, because of termina, it clearly means tomorrow.

Yes. Spanish word order is flexible.

These are all possible, with slight differences in emphasis:

• La vigencia del seguro de hogar termina mañana.
• Mañana termina la vigencia del seguro de hogar.
• Termina mañana la vigencia del seguro de hogar.

The original version is the most neutral. Putting mañana first emphasizes the time.

Yes, it is understandable and natural, but vocabulary can vary by country.

Depending on the country, people may also say:

• seguro de casa
• seguro para el hogar
• póliza de hogar

In many places, seguro de hogar sounds standard and fairly formal, especially in insurance company language.

Yes, but the meaning shifts slightly.

• La vigencia del seguro de hogar termina mañana focuses specifically on the validity period / coverage period.
• El seguro de hogar termina mañana is more direct and conversational, but technically it sounds like the insurance itself ends tomorrow.

In everyday speech, people often do shorten it that way, and the meaning is usually understood. The original sentence is more precise.

Because in seguro de hogar, hogar is being used in a general classification phrase, not to mean the home in a specific sense.

This is common in Spanish:

• seguro de vida
• seguro de viaje
• ropa de invierno

If you added an article, it would usually change the meaning toward something more specific:

• seguro del hogar = insurance of the home / of that home

So de hogar is the natural form for naming the type of insurance.