What County Is Kingwood In? (+ ZIP Codes)
Kingwood's Counties, ZIP Codes & What They Mean for Buyers
Kingwood, TX spans two counties and several ZIP codes — and which one a home falls in can change your property taxes and services. Here’s a clear, local breakdown for buyers and sellers.
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What County Is Kingwood In?
Kingwood is part of the City of Houston, and the majority of Kingwood lies in Harris County, with a smaller northern portion in Montgomery County — generally the newer, Porter-side villages. This split matters more than most buyers expect, because your county determines your property tax rate, county services, and even which offices handle your permits and voting.
As a rule of thumb, the original and central Kingwood villages are in Harris County, while communities toward Porter and the north edge fall into Montgomery County. Because the line runs through the community, it’s always worth confirming the county for a specific address before you buy — something Stacy Sherman does automatically.
Kingwood ZIP Codes at a Glance
Why County & ZIP Code Matter When You Buy
Two nearly identical homes on opposite sides of the county line can carry different tax bills. Harris and Montgomery counties set different rates, and municipal utility districts (MUDs) add their own assessments that vary by village. Over a 30-year ownership, that difference adds up — so it belongs in your budget from day one.
County and ZIP also affect school attendance boundaries, emergency services, and resale positioning. When Stacy prepares comps or a Broker Opinion of Value, she accounts for the exact county, MUD, and tax rate so your numbers reflect the true cost of ownership — not a rough estimate.
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Not Sure Which County or Tax Rate Applies?
Send Stacy any Kingwood address and she'll confirm the county, ZIP code, MUD, and estimated tax rate — plus free comps so you know the home's real value before you offer.
Ask About an AddressExplore More of the Kingwood Living Guide
Part of The Kingwood Living Guide — your complete local resource for living in Kingwood. Keep reading:
Kingwood, Houston & Annexation History
One common point of confusion: Kingwood is both a suburb and officially part of the City of Houston. The community was developed beginning in the 1970s as a master-planned “Livable Forest,” and it was annexed by the City of Houston in 1996. That’s why you’ll see Kingwood described as a Houston neighborhood even though it looks and functions like an independent suburb 25 miles from downtown.
For buyers, the practical effect is that Kingwood addresses fall under City of Houston jurisdiction for some services while still sitting within Harris County (or Montgomery County on the Porter side) for county-level functions like the appraisal district and county taxes. It’s a layered arrangement, and knowing which entity governs what helps you understand your tax bill and services.
How County & District Affect Your Taxes
Your total property tax rate in Kingwood is a stack of several pieces: county, school district (Humble ISD), the City of Houston where applicable, and your municipal utility district (MUD). Because the MUD and county portions vary from village to village — and across the Harris/Montgomery line — two similar homes can have noticeably different annual taxes.
This is exactly why a generic online estimate can mislead you on affordability. When Stacy prepares comps or a Broker Opinion of Value, she pulls the specific taxing entities for that address so your monthly payment estimate is realistic. If you’re comparing homes across villages, ask her to line up the tax rates side by side before you decide.
Buying or Selling Across the County Line
The Harris–Montgomery county line creates real, practical differences for buyers and sellers. Beyond tax rates, the two counties have separate appraisal districts, which means protest procedures, deadlines, and valuation trends can differ. Emergency services, voting locations, and some permitting also follow county boundaries, so knowing your side of the line helps you plan.
For sellers, the county and MUD picture is part of how you position a home — a lower effective tax rate can be a genuine selling point worth highlighting in marketing. For buyers, it belongs in your monthly-payment math from the first showing, because two homes at the same price can cost meaningfully different amounts to own once taxes are included.
None of this needs to be complicated. When Stacy Sherman prepares comps or a Broker Opinion of Value, she identifies the exact county, ZIP, school zone, and taxing districts for the property, so you’re never guessing. Send any Kingwood address to 832-445-8934 and she’ll break down precisely what applies — and what it means for your budget or your list price.
Quick Answers for Kingwood Buyers
To summarize the essentials: Kingwood is part of the City of Houston, sits mostly in Harris County with a northern Porter-side portion in Montgomery County, and uses the main residential ZIP codes 77339, 77345, and 77346 (with 77325 as a P.O. Box ZIP). Which county a home falls in affects its tax rate, its appraisal district, and some local services.
For everyday purposes, most Kingwood residents identify simply as being in Kingwood, but the county and district details become important the moment you’re budgeting for a purchase, protesting an appraisal, or marketing a home for sale. A lower effective tax rate can be a genuine advantage worth understanding.
If you’re weighing specific homes, the smartest move is to compare them with the full tax and district picture in view. Stacy Sherman will confirm the county, ZIP, school zone, MUD, and estimated tax rate for any Kingwood address and run free comps so you see the true cost of ownership. Call 832-445-8934 with an address and she’ll break it down.
A final note on ZIP codes: they’re a mail-delivery tool, not a perfect map of neighborhoods or school zones, so two homes in the same ZIP can still sit in different villages, different MUDs, and occasionally different attendance boundaries. That’s why it’s risky to assume anything about taxes, schools, or services from the ZIP code alone. Always confirm the specifics for the exact address — a step Stacy handles automatically for every buyer and seller she works with, so nothing about your budget or your listing comes as a surprise later.
In short, Kingwood’s county and ZIP picture is simple once you know the pattern: mostly Harris County, partly Montgomery County on the Porter side, with 77339, 77345, and 77346 covering the residential areas. Keep that framework in mind, verify the details for any specific home, and you’ll always know exactly what you’re buying into — and what it will cost to own.
Why Work With Stacy Sherman
Commercial + Residential
The only Kingwood-area broker working both sides — most rivals do one or the other.
Flat-Rate Commissions
Transparent pricing instead of percentage-based fees.
Local Broker, Not a Franchise
Kingwood-rooted, broker-owned, and accountable directly to you — no call center.
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Accredited & Experienced
NAR, BPOR, SFR & ALHS credentials with 10+ years in the Greater Houston market.
Lake Houston Area Expert
Deep, street-by-street knowledge of Kingwood, Humble, Atascocita, Porter & New Caney.
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Frequently Asked Questions
What county is Kingwood, TX in?
Most of Kingwood is in Harris County, with a smaller northern/Porter-side portion in Montgomery County. Kingwood is also part of the City of Houston.
What are the ZIP codes for Kingwood?
The main Kingwood ZIP codes are 77339, 77345, and 77346. 77325 is a P.O. Box ZIP. Some Porter-side communities associated with Kingwood use Montgomery County ZIP codes.
Is Kingwood in Harris County or Montgomery County?
Both — but mostly Harris County. The community straddles the county line, with newer Porter-side villages falling into Montgomery County, which can mean a different tax rate.
Does the county affect my property taxes in Kingwood?
Yes. Harris and Montgomery counties set different tax rates, and MUD districts add assessments that vary by village, so the county and district meaningfully affect your total tax bill.
Is Kingwood considered part of Houston?
Yes. Kingwood was annexed by the City of Houston in 1996 and is officially a Houston community, even though it functions like a suburb.
How do I find out which county a specific Kingwood home is in?
Just send the address to Stacy Sherman at 832-445-8934. She’ll confirm the county, ZIP, MUD, and estimated tax rate and can run free comps for the property.
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