Best Door Frame Repair Companies in St. Louis (2026 Ranked)
We researched St. Louis contractors who specialize in door frame repair to help you find the right fit for your project—whether you need epoxy restoration of a single jamb or a full frame replacement on a historic brick home.
Last Updated: March 2026
Who Are the Best Door Frame Repair Companies in St. Louis?
Based on our research, the top door frame repair companies in St. Louis include Mosby Building Arts, St. Louis Sash & Door, Maniaci Construction, Huxco Construction, Moss Restoration, Mister Fix-It, and STL Smart Maintenance. The best choice depends on your project scope—whether you need repair vs. replacement, and whether your home has historic millwork that needs matching.
Our evaluation considered repair specialization, cost savings over full door replacement, expertise with brick-home door frames, material quality, and local climate knowledge.
If you've noticed soft spots at the base of your door frame, gaps between the jamb and brick, or a door that sticks and won't latch properly, you're facing a repair decision that could cost hundreds—or thousands. Many St. Louis homeowners are told they need to replace the entire door unit when only the frame is damaged. But in most cases, professional door frame repair can restore structural integrity and weather sealing at a fraction of the cost.
St. Louis is particularly hard on exterior door frames. Our freeze-thaw winters crack caulk and paint seals, letting moisture penetrate the wood-to-brick junction. Summer humidity accelerates fungal rot, especially in shaded entries facing north. And across neighborhoods like Kirkwood, Webster Groves, Clayton, Ladue, and Brentwood—where many homes feature original wood door frames set into brick masonry—threshold rot and jamb base deterioration are among the most common exterior maintenance issues homeowners face.
Door frame rot is one piece of a larger picture. For a full overview of St. Louis wood rot repair specialists across every exterior component, the Wood Rot Experts network connects homeowners with the right contractor for any scope of damage.
Our Research Methodology
We evaluated St. Louis companies offering door frame repair and replacement based on their ability to restore rather than automatically replace, pricing transparency, material quality, expertise with brick-home door frames, and customer satisfaction. The best door frame repair preserves your existing entry door—not forces you to buy a new one.
How We Evaluated Each Company
Frame Repair Capability
25%Can they actually repair door frames, or do they only offer full door replacement?
Cost Savings
25%How much do homeowners save compared to replacing the entire door unit?
Material Quality
20%Do they use professional-grade epoxies and weather-resistant materials?
Brick-Home Expertise
15%Can they handle the wood-to-masonry junction that causes most St. Louis door frame rot?
Local Climate Knowledge
15%Do they understand St. Louis freeze-thaw and humidity challenges on door frames?
Top Door Frame Repair Companies in St. Louis for 2026
The top St. Louis door frame repair companies include Mosby Building Arts, St. Louis Sash & Door, Maniaci Construction, Huxco Construction, Moss Restoration, Mister Fix-It, and STL Smart Maintenance.
1. Mosby Building Arts
Mosby Building Arts is one of St. Louis's most established remodeling firms, with deep expertise in exterior carpentry and door installations. Their design-build approach works well when door frame damage is part of a larger renovation, though their project minimums may exceed what a standalone frame repair requires.
Best For: Homeowners planning a broader exterior remodel that includes door frame work
Key Highlights
- Award-winning St. Louis remodeling firm with decades of experience
- Full design-build capability for exterior projects
- Experienced with historic homes in Clayton, Ladue, and Kirkwood
- Strong craftsmanship reputation for finish carpentry
Services Offered
- Exterior remodeling and renovation
- Door replacement and installation
- Custom carpentry and millwork
- Historic home restoration
2. St. Louis Sash & Door
St. Louis Sash & Door is a local company known for custom millwork and specialty door solutions. Their expertise with historic homes in neighborhoods like Lafayette Square and Soulard makes them a strong choice for projects requiring custom or hard-to-match door frame components and period-correct details.
Best For: Homeowners needing custom millwork for unique or historic door openings
Key Highlights
- Local company with deep St. Louis roots
- Custom millwork and door fabrication
- Historic home expertise in STL neighborhoods
- Ability to match unusual door frame profiles and trim
Services Offered
- Custom door fabrication
- Millwork and trim for door openings
- Historic door frame replication
- Specialty entry door installations
3. Maniaci Construction
Maniaci Construction is a St. Louis general contractor with solid carpentry skills. They handle door frame repair alongside other exterior wood work, making them a practical choice when you have multiple items on your maintenance list beyond just the door frame.
Best For: Homeowners needing general carpentry and door frame repair as part of exterior work
Key Highlights
- Experienced general contractor with carpentry focus
- Handles door frames as part of broader exterior projects
- Competitive pricing for bundled exterior work
- Familiar with St. Louis building styles and materials
Services Offered
- Exterior carpentry and framing
- Door frame repair and replacement
- Wood rot repair
- General exterior maintenance
4. Huxco Construction
Huxco Construction is a well-known St. Louis exterior contractor handling siding, doors, and windows. They lean toward full door replacement rather than frame-only repair, which makes them a better fit when the door itself also needs upgrading alongside the damaged frame.
Best For: Homeowners needing door replacement and exterior remodeling services
Key Highlights
- Established St. Louis exterior contractor
- Full door replacement with frame carpentry
- Siding, windows, and doors handled together
- Familiar with St. Louis neighborhood building codes
Services Offered
- Entry door replacement
- Exterior remodeling
- Siding installation and repair
- Window replacement
5. Moss Restoration
Moss Restoration specializes in historic wood repair and restoration across St. Louis's older neighborhoods. Their craftsmen are experienced with the original materials and profiles found in pre-war homes, making them a strong fit when matching existing millwork is critical.
Best For: Homeowners with older or historic homes needing period-correct door frame work
Key Highlights
- Historic wood specialist with period-correct expertise
- Experienced in St. Louis's oldest neighborhoods
- Skilled at matching original trim profiles and millwork
- Repair-focused approach preserving original character
Services Offered
- Historic door frame restoration
- Period-correct millwork repair
- Wood rot repair on older homes
- Exterior trim matching and restoration
6. Mister Fix-It
Mister Fix-It offers full-service handyman work across the St. Louis area, including door frame repair and wood rot treatment. A practical option for smaller-scale damage where hiring a dedicated specialist may not be necessary.
Best For: Homeowners with minor door frame rot looking for a cost-effective handyman solution
Key Highlights
- Cost-effective for minor door frame issues
- Wide range of handyman services beyond door frames
- Flexible scheduling for smaller repair jobs
- Handles rot as part of broader maintenance visits
Services Offered
- Door frame repair
- Wood rot treatment
- General carpentry
- Exterior maintenance
7. STL Smart Maintenance
STL Smart Maintenance is a wood rot specialist serving the St. Louis area with a repair-first approach. They focus on identifying the extent of rot damage and executing targeted repairs rather than defaulting to full replacement, which can translate to meaningful savings for homeowners.
Best For: Homeowners wanting a wood rot specialist who focuses on repair over replacement
Key Highlights
- Wood rot specialist with repair-first focus
- Targeted repairs to minimize unnecessary replacement
- Experience identifying hidden rot at wood-to-masonry junctions
- Preventive maintenance recommendations after repair
Services Offered
- Door frame rot repair
- Epoxy consolidation and structural filling
- Threshold and jamb base repair
- Moisture source identification
Door Frame Repair vs. Replacement: St. Louis Pricing Guide
Professional door frame repair in St. Louis typically costs $200-$600 per frame, saving homeowners 60-75% compared to full exterior door replacement quotes that run $1,500-$4,000+ per door.
| Service | Price Range | Average Cost |
|---|---|---|
| Single Door Frame Repair | $200-$600 | $400 |
| Threshold / Sill Repair | $150-$400 | $275 |
| Door Jamb Base Repair (both sides) | $250-$500 | $375 |
| Multi-Door Frame Repair (2-4) | $500-$1,800 | $1,100 |
| Single Exterior Door ReplacementReplacement | $1,500-$4,000 | $2,500 |
| Entry Door Upgrade (with frame)Replacement | $3,000-$7,000+ | $4,500 |
Real Example: Repair vs. Replacement Savings
A Brentwood homeowner received a quote of $3,800 to replace their front entry door and frame after noticing the jamb bases had rotted. A specialist inspection revealed that the door itself was in excellent condition—only the bottom 8 inches of both jambs and the threshold had rot damage. Total repair cost: $475 for both jamb bases and threshold, including epoxy consolidation, structural filling, and weatherproof sealing.
Why St. Louis Is Especially Hard on Door Frames
St. Louis door frame repair requires understanding our unique climate challenges, brick-home construction, and the specific rot patterns that develop around exterior entries in Missouri's demanding four-season environment.
Freeze-Thaw Cycles
St. Louis winters cycle above and below freezing dozens of times per season. Each cycle expands and contracts the wood-to-brick junction around door frames, cracking caulk and paint seals—creating entry points for water that accelerate rot at the jamb base and threshold.
Brick-to-Wood Junction
St. Louis's signature brick homes have wood door frames set directly into masonry openings. Old mortar joints and deteriorated caulk funnel rainwater behind the frame where it gets trapped, making the hidden back side of door jambs a common site for undetected rot.
Threshold & Splashback
Door thresholds sit at grade level and take direct rain impact plus ground splashback. Without proper overhang or drainage, water pools at the base of the frame. In neighborhoods like Webster Groves and Kirkwood, many front entries lack adequate covered porches, leaving frames fully exposed.
Summer Humidity
Missouri summers bring sustained humidity that keeps door frame wood at elevated moisture levels for months. North-facing and shaded entries are especially vulnerable because they never fully dry between rain events, creating ideal conditions for fungal rot to take hold.
How to Choose a Door Frame Repair Specialist
Can you repair my door frame, or do you only replace the entire door?
Many companies only offer full door replacement because they don't have frame repair capabilities. A true specialist can restore damaged frames while keeping your existing door and hardware intact.
What materials do you use for door frame repair?
Professional repairs use two-part epoxy consolidants that penetrate and harden damaged wood, plus structural fillers rated for exterior use. Avoid contractors who use wood putty or caulk as a 'repair'—these fail within a season.
Will you check behind the brick for hidden damage?
The worst door frame rot often hides behind the brick-to-wood junction where water gets trapped. Any contractor who only looks at the visible face of the jamb may miss the real extent of damage.
How do you prevent rot from coming back?
The best specialists identify and fix the moisture source—failed caulk at the brick line, poor threshold drainage, missing drip caps—before repairing the rot. Without addressing the cause, rot will recur within a few years.
Can you match my existing door trim profile?
Older St. Louis homes have custom trim profiles around door openings. An experienced specialist can replicate or closely match these profiles so repairs blend seamlessly with the surrounding brickwork and trim.
Will repairing the frame fix my sticking door?
In many cases, yes. A rotted or swollen frame distorts the door opening, causing latching and closing problems. Restoring the frame geometry often resolves sticking without replacing the door itself.
Frequently Asked Questions
Can a rotted door frame be repaired instead of replaced?
Yes. When rot affects less than 40-50% of the frame, professional epoxy consolidation and structural filling can restore full strength and weather resistance for a fraction of replacement cost. A specialist can determine repair viability during an in-person assessment.
How much does door frame repair cost in St. Louis?
Door frame repair in St. Louis typically costs $200-$600 per frame, while full exterior door replacement runs $1,500-$4,000+ including the frame. Repair saves homeowners 60-75% on average, and professional epoxy restorations last 15-20+ years.
What causes door frame rot in St. Louis?
St. Louis’s freeze-thaw cycles crack paint and caulk seals around door frames, letting water penetrate the wood. Summer humidity accelerates fungal growth. The most vulnerable areas are the threshold, the bottom of door jambs where they meet the sill, and kick plate zones that collect splashback from rain.
How do I know if my door frame has rot?
Press a screwdriver into the wood at the base of the door jamb and around the threshold. If it sinks easily, you have rot. Other signs include peeling paint, doors that stick or won’t latch properly, visible gaps between the frame and brick, drafts around the door, and soft or spongy areas in the wood.
How long does a professional door frame repair last?
Professional epoxy-based door frame repairs last 15-20+ years when done correctly. Modern consolidants bond at a molecular level and are often stronger than the original wood. The key is sealing the frame properly afterward and addressing whatever moisture source caused the rot initially.
Why are door frames on brick homes especially vulnerable?
St. Louis brick homes have wood door frames set directly into masonry openings. The brick-to-wood junction traps moisture, and old caulk or mortar joints crack over time, funneling water behind the frame where it can’t dry. The bottom of the frame absorbs ground splash and sitting water, making threshold and jamb base rot extremely common.
Not Sure Which Specialist Is Right for Your Project?
The right door frame repair company depends on your home's age, the extent of damage, and whether you need repair or full replacement. Tell us about your project and we'll help you find the right fit.
Stop Wood Rot Before It Spreads
Wood rot doesn't improve on its own — it only gets worse and more expensive. Get matched with a vetted local specialist and discover how much you can save with expert repair.
Serving all of Greater St. Louis including Clayton, Webster Groves, Kirkwood, Ballwin, Chesterfield, and surrounding areas