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Straight Answers for Chicago Property Owners

Building violations, permits, porches, brick, concrete and roofs, explained by a Chicago contractor that fixes them. In English and Spanish.

Latest articles

Concrete and Sidewalks · What went wrong

Why Chicago Concrete Sidewalk Spalling Happens: Salt, Freeze-Thaw, Scaling

Flaking, peeling concrete in Chicago is scaling: freeze-thaw plus deicing salt on concrete that was not built for it. Why it fails and how it is fixed.

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Concrete and Sidewalks · What went wrong

Why Your Concrete Stoop Is Sinking (and What Fixes It)

A sinking concrete stoop usually means the ground under it moved. The causes, the warning signs, and the repair options a Chicago contractor may discuss.

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Concrete and Sidewalks · Code explainer

Chicago Driveway Permits and Aprons: What CDOT Requires

A Chicago driveway permit comes from CDOT, not just Buildings. What the permit and apron rules say, what to gather, and when none is needed.

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Concrete and Sidewalks · Code explainer

Do You Need a Permit to Pour Concrete in Chicago?

Pouring a patio, walk or driveway in Chicago? See when the City's concrete permit rules apply, what is exempt, and when the public way changes everything.

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Concrete and Sidewalks · Code explainer

Chicago's Shared Cost Sidewalk Program, Explained

How the Chicago Shared Cost Sidewalk Program works: the 311 application window, what you pay, who gets a discount, and what it will not cover.

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Concrete and Sidewalks · Guide

Chicago Concrete and Sidewalk Repair: Start Here

Concrete repair in Chicago: why slabs crack, flake and sink, what sidewalk, step and driveway jobs need, permits, and hiring. Free estimates, bilingual.

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Brick and Masonry Repair · Quick answer

Water Leak Through a Brick Wall? Start Here

Water in a brick wall usually enters at joints, sills, lintels, the roof edge or a chimney, not through sound brick. Where to look and what to fix first.

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Brick and Masonry Repair · Quick answer

Limestone Sill Deterioration: Repair or Replace?

Crumbling limestone window sills: when a mason can repair them, when the stone has to be replaced, and how the Chicago permit exemption fits.

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Brick and Masonry Repair · Quick answer

Leaning Chimney in Chicago: Is It About to Fall?

A leaning chimney or one pulling away from the house is a hazard until a mason says otherwise. Warning signs, what to do today, and who fixes it.

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Brick and Masonry Repair · Quick answer

How Tall Are Parapet Walls? What Changes Over 48 Inches in Chicago

No single height defines a parapet. In Chicago, 48 inches is the Express Permit limit for rebuilding one, not a code cap. What changes above it.

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Brick and Masonry Repair · Quick answer

Parapet Wall Coping Replacement: Signs and Next Steps

Loose, cracked or missing parapet coping lets water into the wall below. Signs it needs replacing, what to do now, and who should do the work in Chicago.

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Brick and Masonry Repair · Quick answer

Chimney Removal in Chicago: Can You Take Out an Old Chimney?

Chimney removal in Chicago is often possible, but permits, who does the work, and what happens to the roof and flues need answers first. Start here.

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Brick and Masonry Repair · Quick answer

Chimney Crown Repair: Why Water Gets In and What to Do

A cracked or missing chimney crown lets water into the brick below. What the crown does, what failure looks like, and when to call a Chicago mason.

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Brick and Masonry Repair · Quick answer

Can You Paint or Seal Over Spalling Brick?

Painting or sealing spalling brick covers the damage without fixing the cause. What the National Park Service says, and what to do first on Chicago brick.

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Brick and Masonry Repair · Quick answer

What Does Spalling Brick Look Like? How to Spot It on Chicago Walls

Spalling brick looks like flaked, peeled or popped-off faces with a rough, pitted surface underneath. Here is how to tell it from other brick damage.

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Brick and Masonry Repair · Quick answer

Is Efflorescence Bad for Bricks? Usually Not, but Watch the Cause

White powder on brick is usually harmless by itself, but it shows water is moving through the wall. When it is cosmetic, when it is a warning, what to do.

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Brick and Masonry Repair · Article

Lintel Replacement in Chicago: Permit and Process

Lintel replacement in Chicago: the 6 foot permit line, when you need an architect or engineer, who pulls the permit, and how a mason swaps a failed lintel.

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Brick and Masonry Repair · Article

How to Clean Chicago Brick Without Damaging It

Old Chicago brick is soft, and aggressive cleaning does lasting damage. How to clean brick safely, what to ask a contractor and what to leave to a pro.

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Brick and Masonry Repair · Article

Masonry Foundation Repair in Chicago: Brick and Stone Walls

How brick and stone foundation walls get repaired in Chicago: repointing, replacing bricks, drainage, what needs an engineer and how the permit works.

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Brick and Masonry Repair · Article

Stair Step Cracking in Brick: What It Is and When to Worry

Stair step cracks follow the mortar joints in a zigzag. What causes them in Chicago brick, why they are not a DIY patch, and who should look at them.

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Brick and Masonry Repair · Article

How to Remove Efflorescence From Brick (and Keep It From Coming Back)

White powder on brick is salt carried out by water. What causes efflorescence, how to remove it without hurting old Chicago brick, and why it returns.

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Brick and Masonry Repair · Article

Chimney Repair in Chicago: Repair or Rebuild?

Chimney repair in Chicago: when repointing or a rebuilt top is enough, when the whole stack comes down, and what the City says about permits and licenses.

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Brick and Masonry Repair · Article

How to Replace Spalling Bricks (and When Not To)

Spalled brick can be cut out and replaced, but find the moisture problem first. How it's done, the 50 sq ft permit line, and who can pull the permit.

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Brick and Masonry Repair · Article

Can You Fix Spalling Brick Without Replacing It?

Sometimes you can fix spalling brick without replacing it, if you stop the water and the wrong mortar first. How to tell which bricks stay and which go.

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