How much does deck building cost in Monrovia, CA?

Most Monrovia homeowners spend between $5,300 – $14,400 on deck building, with an average around $9,600. Local labor prices 20% above the national average, so Monrovia quotes tend to land at the higher end of national ranges.

How many quotes should I get in Monrovia?

Get at least three written quotes from licensed, insured California contractors. Comparing line items — not just the bottom line — is the fastest way to spot an inflated bid in the Los Angeles market.

How much does a deck cost per square foot?

$15 to $80 per square foot installed. Pressure-treated pine runs $15–$35, composite $30–$60 and tropical hardwood $40–$80.

Is composite decking worth it?

Composite costs roughly twice as much upfront but eliminates staining every two to three years, so it typically wins over a 15+ year hold.

Do I need a permit for a deck?

Almost always if the deck is attached to the house or more than 30 inches above grade. Permits run $150 to $800.

How long does deck construction take?

One to two weeks for a standard deck, plus permit review time before the crew starts.

Does a deck add value to my home?

A wood deck addition typically returns 50% to 65% of its cost at resale, and it is one of the most-requested outdoor features in listings.

What is the cheapest way to build a deck?

Keep it rectangular, ground level and under 200 square feet, frame and surface it in pressure-treated pine, and skip railing, stairs and picture framing.

Home/Cost guides/Deck Building/Monrovia, CA

Los Angeles · California

Deck Building cost in Monrovia, CA

Monrovia homeowners typically pay $5,300 – $14,400 for deck building. Local labor and materials price 20% above the national average.

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Monrovia average

$9,600

Typical low

$5,300

Typical high

$14,400

Per square foot

$18 – $96

Sample ZIP

91016

What drives Monrovia pricing

Local labor

Licensed Monrovia contractors carry California workers' comp and prevailing wage pressure, and crews here quote roughly 20% above the national labor average. Demand in the Los Angeles market peaks in spring, so booking early usually beats a rush premium.

Permits & code

Monrovia follows the California Building Standards Code, so most structural, electrical, plumbing and re-roof work needs a permit from the Monrovia building department plus Title 24 energy compliance. Seismic bracing and soft-story retrofit rules apply to many older LA-area properties, and hillside lots trigger extra geotechnical review.

Climate & conditions

Monrovia sits in a warm Mediterranean climate with intense summer sun, so expect UV-stable, heat-tolerant materials and shaded scheduling in peak summer.

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Deck size350 square feet

Decking material

Height above grade

Railing

Shape

Estimated project cost

$6,300 – $14,700

Most homeowners pay around $10,500

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Cost by material in Monrovia

Installed Monrovia pricing per square foot.

Option	Installed cost	Pros	Cons
Pressure-treated pine	$18 – $42	Cheapest framing and surface option	Needs sealing every 2-3 years; can warp
Cedar	$30 – $54	Naturally rot resistant, ages well	Soft surface, annual maintenance
Redwood	$36 – $60	Rich color, stable	Limited supply outside the West
Composite (Trex, TimberTech)	$36 – $72	No staining, 25-year warranties	Gets hot in sun, higher upfront
PVC / cellular vinyl	$42 – $84	Fully waterproof, lightest maintenance	Most expensive mainstream option
Tropical hardwood (ipe, cumaru)	$48 – $96	Extremely durable, premium look	Hard to cut, needs oiling to keep color
Aluminum	$54 – $110	Will not rot, rust or burn	Industrial look, noisy underfoot

Where the money goes in Monrovia

A typical $9,600 Monrovia project, broken down by line item.

Decking & railing material45% · $4,320
Labor35% · $3,360
Framing, footings & hardware15% · $1,440
Permits & disposal5% · $480

Common add-ons

Extras that show up on Monrovia quotes but rarely in the headline price.

Stairs

Per step

$120 – $300

Built-in bench seating

$720 – $3,000

Pergola or shade structure

$3,000 – $10,800

Under-deck drainage

$1,800 – $6,000

Deck lighting

$480 – $3,000

Old deck demolition

Per square foot

$6 – $18

Permit

$180 – $960

Ways to save in Monrovia

Keep the deck rectangular and under 200 sq ft where codes ease off.
Frame with pressure-treated lumber and spend only on the visible deck surface.
Build ground level — every foot of elevation adds framing, footings and railing.
Schedule in fall when builders discount to keep crews busy.
Skip fascia wraps and picture framing details that add labor with no structural value.

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Deck Building cost near Monrovia

Deck Building cost in Los Angeles, CA

$5,477 – $14,880

Deck Building cost in Long Beach, CA

$5,388 – $14,640

Deck Building cost in Pasadena, CA

$5,653 – $15,360

Deck Building cost in Glendale, CA

$5,521 – $15,000

Deck Building cost in Santa Clarita, CA

$5,123 – $13,920

Deck Building cost in Torrance, CA

$5,433 – $14,760

More California cities

San Diego San Jose San Francisco Oakland Sacramento Fresno Anaheim Santa Ana

Other project costs in Monrovia

Fence Installation in Monrovia

$1,800 – $4,800

Roof Replacement in Monrovia

$10,200 – $40,800

Kitchen Remodel in Monrovia

$21,600 – $114,000

HVAC Replacement in Monrovia

$6,600 – $21,600

Window Replacement in Monrovia

$540 – $1,800

Bathroom Remodel in Monrovia

$7,800 – $45,600

See every Monrovia cost guide