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Mainstreet Design and BuildGeneral contractor in Lake Oswego, OR

Mainstreet Design and Build is a general contractor at 525 3rd St Suite 200, Lake Oswego, OR 97034, ranked #5 of 988 general contractors in Lake Oswego and rated 5.0 from 78 Google reviews. Open Monday to Saturday.

Lake Oswego, ORUpdated 0 paid placements in any rankingHow we rank

Call (503) 720-0555Website ↗

Key facts

Key facts about Mainstreet Design and Build
Address525 3rd St Suite 200, Lake Oswego, OR 97034Get directions
Phone(503) 720-0555
Websitemainsdnb.com
HoursMonday to Friday: 8 AM – 6 PM; Saturday: 9 AM – 5 PM
Google rating5.0 from 78 Google reviews

Trades

Each trade shows the evidence we matched it on.

Service area

Serves Lake Oswego and 11 towns within 25 miles: Oak Grove, Milwaukie, Oatfield, Jennings Lodge, Gladstone, West Linn, Clackamas, Tigard, Oregon City, Garden Home-Whitford and Tualatin.

Based in Lake Oswego, ORView on map

Opening hours

Opening hours for Mainstreet Design and Build
DayHours
Monday8 AM – 6 PM
Tuesday8 AM – 6 PM
Wednesday8 AM – 6 PM
Thursday8 AM – 6 PM
Friday8 AM – 6 PM
Saturday9 AM – 5 PM
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • Open Sundays — no

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

Mainstreet Design and Build compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Mainstreet Design and Build (this business)—615.0 (78)—YesNo
AG General Contractor LLC#3614.9 (40)—YesYes3.6 mi
K-Designers - Home Remodeling Leader#4614.7 (334)—YesYes11.5 mi
All Seasons Cleaning Services#6604.9 (774)—YesNo18.0 mi

See all 988 ranked general contractors in Lake Oswego

Reviews

ContractorsRanked reviews

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Google

5.0from 78 Google reviews

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Questions about Mainstreet Design and Build

How is Mainstreet Design and Build ranked in Lake Oswego?

Mainstreet Design and Build is ranked #5 of 988 general contractors in Lake Oswego by CR Score, with 61 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 Mainstreet Design and Build’s hours?

Mainstreet Design and Build is open Monday to Saturday. Its listed hours are Monday to Friday, 8 AM – 6 PM; Saturday, 9 AM – 5 PM. On Saturdays it is open 9 AM to 5 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Mainstreet Design and Build serve?

Serves Lake Oswego and 11 towns within 25 miles: Oak Grove, Milwaukie, Oatfield, Jennings Lodge, Gladstone, West Linn, Clackamas, Tigard, Oregon City, Garden Home-Whitford and Tualatin. 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 Mainstreet Design and Build?

Mainstreet Design and Build has a rating of 5.0 from 78 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 Mainstreet Design and Build?

Call Mainstreet Design and Build on (503) 720-0555. The business is at 525 3rd St Suite 200, Lake Oswego, OR 97034. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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