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ExpandADU | Prefab ADUsGeneral contractor in Fremont, CA

ExpandADU | Prefab ADUs is a general contractor at 41111 Mission Blvd Suite 203, Fremont, CA 94539, ranked #45 of 936 general contractors in Fremont and rated 5.0 from 6 Google reviews. Open 7 days a week.

Fremont, CAUpdated 0 paid placements in any rankingHow we rank

Call (510) 588-4448Website ↗

Key facts

Key facts about ExpandADU | Prefab ADUs
Address41111 Mission Blvd Suite 203, Fremont, CA 94539Get directions
Phone(510) 588-4448
Websiteexpandadu.com
HoursMonday to Friday: 9 AM – 6 PM; Saturday and Sunday: 9 AM – 8 PM
Google rating5.0 from 6 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves Fremont and 11 towns within 25 miles: Union City, Newark, Milpitas, Pleasanton, Dublin, Fairview, Hayward, East Palo Alto, Cherryland, Castro Valley and Livermore.

Based in Fremont, CAView on map

Opening hours

Opening hours for ExpandADU | Prefab ADUs
DayHours
Monday9 AM – 6 PM
Tuesday9 AM – 6 PM
Wednesday9 AM – 6 PM
Thursday9 AM – 6 PM
Friday9 AM – 6 PM
Saturday9 AM – 8 PMevening
Sunday9 AM – 8 PMevening
  • Open evenings (after 6 PM)
  • Open Saturdays
  • Open Sundays

Typical general contracting prices

Typical general contracting prices
JobLowTypicalHigh
Kitchen remodelPer project: typical range of customer-reported remodels (about $75 to $250 per sq ft). US national range × 1.04 Pacific factor (2025 Cost vs. Value Report)$15,240$28,190$43,470
Bathroom remodelPer bathroom: typical range of customer-reported remodels. US national range × 1.06 Pacific factor (2025 Cost vs. Value Report)$7,050$12,880$18,720

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby general contractors

ExpandADU | Prefab ADUs compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
ExpandADU | Prefab ADUs (this business)—575.0 (6)—YesYes
Intelligent Choice Builders#43575.0 (52)—YesYes15.2 mi
A Z Construction & Design Inc#44574.9 (51)—YesYes14.9 mi
Ehret Co Plumbing & Heating#46574.6 (52)—YesYes20.0 mi

See all 936 ranked general contractors in Fremont

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

5.0from 6 Google reviews

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Questions about ExpandADU | Prefab ADUs

How is ExpandADU | Prefab ADUs ranked in Fremont?

ExpandADU | Prefab ADUs is ranked #45 of 936 general contractors in Fremont by CR Score, with 57 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are ExpandADU | Prefab ADUs’ hours?

ExpandADU | Prefab ADUs is open 7 days a week. Its listed hours are Monday to Friday, 9 AM – 6 PM; Saturday and Sunday, 9 AM – 8 PM. On Saturdays it is open 9 AM to 8 PM, and on Sundays 9 AM to 8 PM. Hours come from the business listing; holiday hours may differ.

What areas does ExpandADU | Prefab ADUs serve?

Serves Fremont and 11 towns within 25 miles: Union City, Newark, Milpitas, Pleasanton, Dublin, Fairview, Hayward, East Palo Alto, Cherryland, Castro Valley and Livermore. The list is based on the business's location and the usual service radius for general contracting. Confirm your address is covered when you call.

What do Google reviews say about ExpandADU | Prefab ADUs?

ExpandADU | Prefab ADUs has a rating of 5.0 from 6 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact ExpandADU | Prefab ADUs?

Call ExpandADU | Prefab ADUs on (510) 588-4448. The business is at 41111 Mission Blvd Suite 203, Fremont, CA 94539. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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