Kansas City, MO is geographically the largest city in the metro by a meaningful margin. Roughly 240 named neighborhoods spread across parts of Jackson, Clay, Platte, and Cass counties. The building code is uniform across all of it (the KCMO Building Code 2018, based on the 2018 IBC, effective June 28, 2020), and so is the permit office (CompassKC, the city's online permit portal, with the Permits Division at 414 E. 12th Street). What's not uniform is the neighborhood character. A patio build in the 1920s J.C. Nichols-designed Sunset Hill works differently from a build in 2008-construction Briarcliff, which works differently from a build in Hyde Park, which works differently from a build in the new infill subdivisions on the south side.
What follows is the guide to KCMO at the city level. For the deepest neighborhood-specific story we have, see the Brookside & Waldo guide. The rest of the historic and notable neighborhoods get covered here.
CompassKC and the 2018 Building Code.
The Kansas City, MO City Planning and Development Department runs the permit process through CompassKC, the online permit portal. The Permits Division line is 816-513-1500, the email is cdpermits@kcmo.org, and the office sits at 414 E. 12th Street on the 5th floor of City Hall.
The applicable code is the Kansas City Building Code 2018, based on the 2018 IBC, with the 2018 IRC for one and two-family dwellings and townhouses up to three stories. One specific KCMO quirk: pool barrier rules reference the 2012 IRC (Chapter 18, Article III), which the city kept while other articles updated.
For residential hardscape work, expect to pull a permit for:
- Pergolas, pavilions, outdoor kitchens, and outdoor fireplaces on footings, under the 2018 IRC accessory-structure rules.
- Decks over 30 inches above grade or attached to the home.
- Pools, spas, and hot tubs, with the 2012 IRC barrier rules and the 10-foot overhead conductor rule.
- Retaining walls over 4 feet measured from the bottom of the footing to the top of the wall, or any wall supporting a surcharge.
- Land disturbance of 1 acre or more, with a SWPPP required (see the Land Disturbance section below).
Fees are calculated on the project's total construction value, with a published fee schedule in Article 1 Section 18 of the Building Code. A fee estimator calculator is published on the KCMO permits page. Some types are flat-rate (a solar panel permit at $114, an EV charger at $58, a demolition at $128). For a typical residential hardscape, the fee is value-based and runs as a small line item against the total project cost.
Land Disturbance Permits and the SWPPP.
The most overlooked KCMO permit on hardscape projects is the Land Disturbance Permit. Triggered when the disturbed area on a residential site reaches 1 acre or more, the permit covers clearing, grubbing, excavating, grading, and filling. The application requires a Stormwater Pollution Prevention Plan (SWPPP) with site-specific Best Management Practices that minimize soil exposure, erosion, and pollutant discharge from the construction site.
Most residential hardscape projects sit well below the 1-acre threshold and don't trigger the Land Disturbance Permit. What does trigger it:
- An in-ground pool on a larger acreage lot, especially in the Briarcliff Northland and the larger Sunset Hill / Crestwood lots.
- Significant grade work on a bluff-side property. The KCMO bluff neighborhoods (around the Missouri River, the Brookside bluffs, the Quality Hill bluff) can move enough earth to trip the 1-acre rule on a single build.
- Combined builds across two adjacent lots, when a homeowner is building outdoor living across a property line on a multi-parcel ownership.
KCMO publishes a 4 to 6 week review timeline on grading permits, with critical drainage areas running longer. We confirm trigger or no-trigger at the design step.
Which neighborhoods are reviewed.
The KCMO Historic Preservation Commission (HPC) reviews exterior work on properties in formally listed historic districts on the Kansas City Register of Historic Places. The HPC review runs before the city building permit can pull. For a backyard hardscape that's fully behind the home and not visible from the public way, HPC review is typically light and fast. For any structure visible from the street (a tall pavilion, a chimney that reads from the public way, a freestanding pergola forward of the home's rear corner), the HPC reviews scale, material, and visual continuity with the historic character.
The major KCMO districts under HPC review:
- Hyde Park. Old Hyde Park East and West (added to the Register in 2004), South Hyde Park (added 2007), North Hyde Park, and Janssen Place. Roughly 1,500 homes between 31st and 47th, Gillham to Troost.
- Quality Hill. Pre-Civil War settlement on the 200-foot bluff at the confluence of the Missouri and Kansas Rivers, west of downtown.
- Country Club Plaza. The 1923 J.C. Nichols development, primarily commercial but with historic status on adjacent residential.
- Brookside west of Main Street. Covered in detail in our Brookside & Waldo guide.
- The Wornall Homestead Overlay District. Not formally a historic district but operating like one, covered in the same Brookside guide.
- Northeast Kansas City historic districts. Several smaller districts including parts of Pendleton Heights and Scarritt Renaissance.
For a specific address near a known district boundary, we verify HPC jurisdiction at the address-check step before drawing.
Where we work most across KCMO.
KCMO has roughly 240 named neighborhoods. The ones we work with most on hardscape builds:
Sunset Hill
Affluent enclave of 261 homes, a mile from the Country Club Plaza, walking distance to Loose Park. Stately homes on landscaped lots. Premium build expectations, real architectural review at the neighborhood level.
Crestwood
South of the Plaza, the 1920s Crestwood Shops define the area. Tight historic lots, mature canopy, careful material expectations.
Brookside & Waldo
J.C. Nichols 1920s neighborhoods with the Wornall Homestead Overlay and HPC review west of Main. Full neighborhood guide here.
Hyde Park
Four HPC sub-districts, 1,500+ homes, 31st-47th, Gillham-Troost. Backyard hardscape work typically clears HPC quickly when not visible from the street.
Briarcliff (Northland)
Newer executive subdivision started in 2008 on the Northland bluffs. Trees, walking trails, pond. North Kansas City schools. Larger lots that support full outdoor living builds.
Northeast historic districts
Pendleton Heights, Scarritt Renaissance, and adjacent districts. Historic homes with smaller backyards. HPC review applies on visible exterior work.
South KC and new infill
Newer construction on infill lots in the Hickman Mills area and adjacent neighborhoods. Permitting is straightforward; the builds tend to be ground-up outdoor living on properties without HOAs.
Northland (broader)
Beyond Briarcliff, the KCMO Northland covers a wide swath including Gashland, Nashua, Winnwood, and neighborhoods up toward the airport. Suburban character, larger lots, growing inventory of affluent newer construction.
Real ranges from real KCMO builds.
The cost band is wider in KCMO than in any other metro city because of the neighborhood spread. Tight Brookside or Crestwood lots run smaller patio surfaces but higher material expectations. Briarcliff and Sunset Hill builds carry premium scope. The numbers below are the ranges we've been hitting across the city through 2026.
The full outdoor living range is where most KCMO inquiries land. Sunset Hill, Crestwood, Briarcliff, and the larger Brookside builds push the upper third of the range. The Wornall Homestead Overlay and HPC review (in the relevant neighborhoods) add design and submittal time but rarely move the construction line significantly.
Pool, fireplace, and waterfall on a full travertine patio.
A high-end KCMO build that shows how an outdoor living space ties together when the budget supports it: in-ground pool with stone coping, travertine patio surface throughout, a stacked-stone fireplace as the back-of-yard focal point, a separate outdoor kitchen zone, an integrated waterfall, fire pit lounge, and retaining wall that resolves the grade. The kind of project the Sunset Hill or Briarcliff lots support.
Click any image to view full size.
Paver patio, pergola, and fire pit.
A more typical neighborhood-scope KCMO build: paver patio sized to the lot, cedar pergola over the seating zone, a stone-surround gas fire pit. The kind of project that fits a Brookside, Waldo, Crestwood, or Hyde Park backyard without overstepping the original lot pattern.
Click any image to view full size.
Real reviews from real KCMO builds.
"This was the best experience I have ever had on a large home project. From our first meeting with Mark to come up with a design, to our final walk-through with Derek, we could not be more impressed by their professionalism. Derek and his team have amazing craftsmanship and made our backyard beautiful. They paid attention to the small details and really kept us informed throughout the project. We are excited to enjoy our backyard again."
Janice SurberKansas City, MO"The four-man crew assigned to my project were absolutely outstanding. I sent the owner a personal message that he was very fortunate to have them. They were on time, personable, knowledgeable, professional, and experts at their craft. A++ for the crew."
Tony GarrisonKansas City, MOKansas City, MO homeowner questions.
How long does a KCMO permit take?
How do I know if my address is in an HPC district?
What's the most common KCMO permit surprise on a pool project?
Do I need a Land Disturbance Permit on a residential patio?
How soon can you start a build in Kansas City, MO?
Do you handle the HPC submittal and the CompassKC application?
Kansas City, MO and the surrounding metro.
Our shop sits east of the river in Kansas City, Missouri. We build across Kansas City, MO and the surrounding cities every season. The map below shows the area we cover most often.