Basement Finishing & Remodeling Cost AltadenaBasement Finishing & Remodeling Cost AltadenaBasement Finishing & Remodeling Cost AltadenaBasement Finishing & Remodeling Cost AltadenaBasement Finishing & Remodeling Cost AltadenaBasement Finishing & Remodeling Cost AltadenaBasement Finishing & Remodeling Cost AltadenaBasement Finishing & Remodeling Cost AltadenaBasement Finishing & Remodeling Cost AltadenaBasement Finishing & Remodeling Cost Altadena

Basement Finishing & Remodeling Cost in Altadena, CA

Detailed pricing guide with local market adjustments and material comparisons

Altadena Average

$17,000–$51,000

Market Tier

Small City

Cost Breakdown

Basement Finishing & Remodeling Cost in Altadena

Small City

LowAverageHigh

$17,000$34,000$51,000

Market Tier

Small City (0.85x)

Small city with below-average costs

Material Cost Comparison

Framing lumber(Budget)

$12,750–$38,250

Insulation(Mid-Range)

$17,000–$51,000

Drywall(Premium)

$23,800–$71,400

Factors that affect your cost

Basement square footage
Scope of finish (basic vs full suite)
Bathroom addition
Kitchen or wet bar addition
Egress window installation
Ceiling height and type
Moisture control required
Permit and inspection costs
HVAC extension
Electrical and plumbing additions

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Altadena Housing Market

Median Home Price

$1,585,000

Homes for Sale

Price per Sq Ft

$776

Local Pros

536

Home Service Professionals Near Altadena

Agents 95lender 75multimedia_specialist 71Landscapers 64Appraisers 63Movers 60Inspectors 57Flooring 51

Median Household Income

$129,123

Median Home Value

$1,073,500

Median Rent

$2,250/mo

Homeownership Rate

78.3%

Population

41,921

Median Year Built

1945

Source: U.S. Census Bureau, ACS 2023 5-Year Estimates

Track Your Costs

Renovation

Basement Finishing & Remodeling

Date

April 2026

Cost

$34,000

Vendor

Your local pro

Warranty

5-year material warranty

Altadena average: $17,000–$51,000

Before

Issue documented with photos

After

Repair completed, area sealed

Materials Used

Framing lumberInsulationDrywallFlooring (LVP or carpet)

Warranty Details

5-year material warranty

Auto-Checkup Created

"Basement Moisture Check" — every 12 months

Added by youApril 2026

Property Health Score

Good

interior category +15 pts(67 → 82)

Documentation19/25

Maintenance20/25

Warranty22/25

Investment21/25

Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.

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Find a remodeling near me

I found several remodeling contractors in your area. Here are the top results:

Professionals Found

12 results

Smith & Sons

Connected

remodeling contractor

4.9(47)

BookQuote

J&R Home Services

remodeling contractor

4.7(23)

From $95/hr

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remodeling contractor

Title:remodeling

Category:remodeling contractor

Date:2026-04-05

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Cost FAQ

What is the average cost of basement finishing & remodeling in Altadena?

The average cost of basement finishing & remodeling in Altadena, CA ranges from $17,000 to $51,000. The final price depends on Basement square footage, Scope of finish (basic vs full suite), Bathroom addition.

What factors affect basement finishing & remodeling cost?

Key factors include: Basement square footage, Scope of finish (basic vs full suite), Bathroom addition, Kitchen or wet bar addition, Egress window installation, Ceiling height and type, Moisture control required, Permit and inspection costs, HVAC extension, Electrical and plumbing additions. In Altadena, local labor rates and material availability also influence pricing.

How do I get accurate quotes for basement finishing & remodeling in Altadena?

Get at least 3 quotes from licensed professionals in Altadena. Use Fizbo SmartSearch to find and compare local remodelings, read reviews, and request estimates — all in one place.

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Basement Finishing & Remodeling Cost in Altadena, CA

Cost Breakdown

Basement Finishing & Remodeling Cost in Altadena

Material Cost Comparison

Get Quotes in Altadena

Altadena Housing Market

Track Your Costs

Basement Finishing & Remodeling

Property Health Score

Get a Personalized Estimate

Cost FAQ

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