wùyè zài nàbiān.

In this sentence, 物业 usually does not mean property in the broad English sense.

In everyday Mandarin, especially in apartment complexes or residential communities, 物业 is often short for 物业管理 or 物业公司, meaning the property management office/company or building management.

So when someone says 物业在那边, they usually mean something like:

• The property management office is over there
• Building management is over there

This is a very common shorthand in real life.

Because Chinese usually does not use 是 for location.

For location, Chinese normally uses the pattern:

A 在 B
= A is at/in/on B

So:

• 物业在那边。 = The property management office is over there.

Using 是 here would sound wrong in standard Mandarin.

Compare:

• 他是老师。 = He is a teacher.
  
  • 是 links a subject to a noun phrase.
• 他在那边。 = He is over there.
  
  • 在 shows location.

In a sentence like this, 在 is best understood as expressing location: to be at / to be located at.

So 物业在那边 follows the very common structure:

subject + 在 + place

You may see grammar books describe 在 as a preposition in some contexts, but for learners, the most useful idea here is:

• 在 tells you where something or someone is.

Examples:

• 厕所在那边。 = The restroom is over there.
• 车站在前面。 = The station is ahead.

All three can refer to there, but they feel slightly different.

• 那边 = over there / that side
• 那里 = there / that place
• 那儿 = a spoken, northern-style version of 那里

In this sentence, 那边 sounds very natural because it often points to a general direction or area, not necessarily a very exact spot.

So:

• 物业在那边。 = The property management office is over there / on that side.

If you said 物业在那里, that would also be grammatical and natural, but it can sound a bit more like It is at that place rather than over that way.

边 literally has the idea of side or area.

So:

• 这边 = this side / over here
• 那边 = that side / over there
• 哪边 = which side / where

That is why 那边 often feels a little directional. It suggests:

• over on that side
• in that direction
• in that area

So it is especially common when someone is pointing or giving directions.

Mostly, yes.

The basic order is:

thing/person + location verb + place

So:

• 物业 = the property management office
• 在 = is located at
• 那边 = over there

This is close to English:

• The property management office is over there.

A useful beginner pattern is:

• A 在 B
• A is at/in/on B

Examples:

• 书在桌子上。 = The book is on the table.
• 学校在那边。 = The school is over there.

Yes. Chinese does not have articles like a, an, and the.

So 物业在那边 does not literally include a word for the, but in context English will often translate it as:

• The property management office is over there.

Whether it is a or the depends on context, not on a special word in Chinese.

That is very normal in Mandarin.

The pinyin is:

wùyè zài nàbiān

Tone by tone:

• 物 = wù (4th tone)
• 业 = yè (4th tone)
• 在 = zài (4th tone)
• 那 = nà (4th tone, in this sentence)
• 边 = biān (1st tone)

A natural rhythm is:

wùyè | zài nàbiān

A small pause after 物业 is possible, especially if you are answering a question.

Yes. In standard Mandarin, 那 is often pronounced nà in 那边.

You may also hear related spoken forms in different regions, especially with 儿化 in northern speech:

• 那边儿

But for a learner, nàbiān is the standard and safest pronunciation.

Also remember that 哪 and 那 are different:

• 那边 = over there
• 哪边 = which side / where

They sound different in tone:

• 那边 = nàbiān
• 哪边 = nǎbiān

A very natural question would be:

• 物业在哪边？ = Where is the property management office?
• 物业在哪里？ = Where is the property management office?

Then the answer could be:

• 物业在那边。 = It’s over there.

This is a useful question-answer pair to memorize:

• X 在哪边？
• X 在那边。

Yes, if the context is already clear.

For example, if someone asks where the property management office is, you can simply answer:

• 在那边。 = Over there.

Chinese often leaves out information that both speakers already know.

So both are possible:

• 物业在那边。 = full sentence
• 在那边。 = shorter, context-dependent answer

Both are very natural in conversation.