Home Remodeling Costs in Simi Valley, CA
Remodeling costs in Simi Valley run about 21% above the California median, based on home values and labor rates across its 2 ZIP codes in Ventura County. The ranges below reflect what Simi Valley homeowners actually pay, from the cheapest to the priciest part of town.
- Cost index
- 1.21×
- California median
- Median home value
- $845,145
- Zillow ZHVI
- ZIP codes
- 2
- Ventura County
- Projects covered
- 10
- cost + ROI data
What Remodeling Projects Cost in Simi Valley (2026)
Ranges span Simi Valley's least to most expensive ZIPs, including the ±15% contractor variance. ROI is the share of cost typically recouped at resale in your census region.
Cost range
$11,730 - $16,002
Typical
$13,858
Cost range
$17,993 - $24,546
Typical
$21,256
Cost range
$27,540 - $37,571
Typical
$32,535
Cost range
$25,092 - $34,231
Typical
$29,643
Cost range
$4,590 - $6,262
Typical
$5,423
Cost range
$17,967 - $24,511
Typical
$21,226
Cost range
$58,650 - $80,011
Typical
$69,288
Cost range
$18,050 - $24,624
Typical
$21,324
Cost range
$2,402 - $3,277
Typical
$2,838
Cost range
$10,200 - $13,915
Typical
$12,050
| Project | Cost range | Typical | ROI | Details |
|---|---|---|---|---|
| Roofing Replacement | $11,730 - $16,002 | $13,858 | 76/100 | ZIP estimate → |
| Window Replacement | $17,993 - $24,546 | $21,256 | 85/100 | ZIP estimate → |
| Kitchen Remodel | $27,540 - $37,571 | $32,535 | 100/100 | ZIP estimate → |
| Bathroom Remodel | $25,092 - $34,231 | $29,643 | 91/100 | ZIP estimate → |
| Garage Door Replacement | $4,590 - $6,262 | $5,423 | 100/100 | ZIP estimate → |
| Deck Addition | $17,967 - $24,511 | $21,226 | 100/100 | ZIP estimate → |
| Basement Finishing | $58,650 - $80,011 | $69,288 | 71/100 | ZIP estimate → |
| Siding Replacement | $18,050 - $24,624 | $21,324 | 100/100 | ZIP estimate → |
| Entry Door Replacement | $2,402 - $3,277 | $2,838 | 100/100 | ZIP estimate → |
| HVAC Replacement | $10,200 - $13,915 | $12,050 | 77/100 | ZIP estimate → |
Sources: Remodeling Magazine Cost vs. Value, Zillow ZHVI, BLS construction wages. Data updated 2026-05. How we calculate estimates
Roofing Replacement Cost by ZIP Code
Pick a project and the prices below update. Costs vary up to 1% across Simi Valley. Open your ZIP for the full local breakdown.