OCA Builders | Construction Company & ADU Contractor logo

OCA Builders | Construction Company & ADU Contractor

General contractor · Santa Cruz, CA · reviewed since 2023

How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 69%98+67.8Reliability 31%94+28.9Experts Score= 97Not enough data for value, replies to reviews; its weight is shared by the others.Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.97SCORE
AGradeLetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20.
#7 of 46 home buildersPosition by Experts Score among all companies we track in this category. · better than 87%
5.0 ★★★★★ 41 Google reviews · 24 photos
100%five-star reviews
5.00★last 12 monthsAverage stars on reviews from the last 12 months only.
0%1–2★, last 20 reviewsShare of 1–2★ reviews in the last 24 months — or the 20 newest reviews when the company had fewer than 20 in that time.
76%reviews answered by the owner
May 2026latest review

OCA Builders | Construction Company & ADU Contractor at a glance

Google reviewers rate OCA Builders five stars based on forty-one reviews, with the owner responding to seventy-six percent of them. Customers describe services including ADU construction, kitchen and bathroom renovations, and commercial work, noting clear communication, punctuality, and fair pricing. Recurring themes highlight efficient crews, attention to detail, and projects completed on time and within budget, with no common criticisms identified in the provided excerpts.

  • Google rating: 5.0 out of 5 from 41 reviews (100% five-star).
  • Reviews on this page: 41 Google reviews (41 with written comments).
  • Owner responses: the business replied to 76% of reviews.
  • Most recent review: May 10, 2026.
  • Service: Home Builder serving Santa Cruz, California.

Data from Google, last updated November 3, 2026.

Score profile vs other home builders

Score per factor (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: momentum and satisfaction; weakest: reliability.

Satisfaction98Reliability94Craft & service–Value–Momentum100Replies to reviews–Satisfaction: 98 (median 89)Reliability: 94 (median 86)Momentum: 100 (median 100)
This companyHome Builders median0 = centre, 100 = best
SatisfactionSatisfaction · 54% of the scoreRecency-weighted star average (2-year half-life), shrunk toward the category mean by review volume; the company’s own lifetime average as the prior; absolute: 4.0★ = 0, 5★ = 100.OCA Builders | Construction Company & ADU Contractor: 98/100 on this factor. Category median: 89.A
98
ReliabilityReliability · 24% of the scoreHow rarely jobs go badly: share of 1–2★ reviews — 60% the last 24 months (or the 20 newest if fewer), 40% all-time; 0% = 100, 15%+ = 0; the category percentile can only raise it.OCA Builders | Construction Company & ADU Contractor: 94/100 on this factor. Category median: 86.A
94
Craft & serviceCraft & service · penalty only, up to −10 pointsGoogle review highlights: Quality, Professionalism, Responsiveness, Punctuality — how rarely reviewers flag them as a negative, per review since highlights began; 0% = 100, 5%+ = 0. Subtracted from the score (up to −10), never averaged in — clean highlights are the norm, not a bonus.Not enough reviews for this factor yet. Category median: 93.–
–
ValueValue · 14% of the scoreCustomers’ own price verdicts (Great / Reasonable vs Overpriced) and Value highlights; 65% absolute (all “reasonable” ≈ 80, “great” = 100), the category percentile can only raise it.Not enough reviews for this factor yet. Category median: 99.–
–
MomentumMomentum · penalty only, up to −10 pointsPenalises only a real slide: last-12-month average below lifetime (−0.5★ = 0). Still 4.8★+ over the last year, or steady/improving = 100. Subtracted from the score (up to −10), never averaged in.OCA Builders | Construction Company & ADU Contractor: 100/100 on this factor. Category median: 100.A
100
Replies to reviewsReplies to reviews · 7% of the scoreHow often the owner publicly replies to reviews under 5★ (1–4★). Needs 3+ such reviews, otherwise not counted; 65% absolute (80%+ replied = 100), the category percentile can only raise it.Not enough reviews for this factor yet. Category median: 75.–
–

Bar = this company · dark tick = category median.

Star ratings

41 Google reviews we collected

  • 5 stars41100%
  • 4 stars00%
  • 3 stars00%
  • 2 stars00%
  • 1 star00%

Praise vs complaints

Phrases our text analysis found in 41 written reviews

  • Praise85100%
  • Complaints00%

Topic share

How often each topic comes up in the written reviews

  • Staff & attitude1720%
  • Speed & response1720%
  • Quality & results1619%
  • Would recommend1416%
  • Price & value1113%
  • Communication67%
  • Honesty & trust45%

What customers talk about

We read 41 written reviews and marked every phrase about these topics. The same colors are highlighted in the reviews.

  • “Communication remained clear, crew worked efficiently, and final results looked modern, clean, and professionally finished.”
  • “Owner Oren Atia was professional, responsive, and truly cared about the details from start to finish.”
  • “I had an excellent experience with OCA Builders | Construction Company & ADU Contractor Santa Cruz.”
  • “Highly recommend them for any ADU project—great team and quality work!”
  • “They were very helpful in answering any questions I had & had fair prices!”
  • “From day one, Oren listened to our family's needs - not just what we wanted aesthetically, but how we actually live in our space.”
  • “…Builders completely transformed our 1960s ranch home in Aptos, and I honestly can't imagine trusting anyone else with such an important project.…”

People customers mention

  • Oren 3 reviews

praise complaint · found by our text analysis, Google review wording unchanged.

Recent reviews

Scott2 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 5 months ago★★★★★

OCA Builders | Construction Company & ADU Contractor Santa Cruz made my ADU project smooth and stress free. Communication remained clear, crew worked efficiently, and final results looked modern, clean, and professionally finished.

Brian3 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 5 months ago★★★★★

I had an excellent experience with OCA Builders | Construction Company & ADU Contractor Santa Cruz. Team stayed professional, organized, and delivered beautiful construction work with impressive attention to detail from beginning to completion.

Andre3 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 5 months ago★★★★★

Our retail storefront passed every city inspection on the first try thanks to their meticulous commercial prep work.

Coinbase2 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 5 months ago★★★★★

Gutting a 1950s house sounded terrifying, but this crew guided us through every single structural hurdle smoothly.

Sherrie1 reviewTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 7 months ago★★★★★

Our kitchen renovation was a big undertaking, but the crew made it feel manageable. They were in and out on the dates they promised, and the new cabinetry and lighting completely changed the vibe of the house.

James4 reviewsTotal number of Google reviews this person has written across all businesses on Google Maps (not just this one). More reviews usually means a more experienced, trustworthy reviewer. · 7 months ago★★★★★

The metal gates and fences they installed around our yard are rock solid. It’s rare to find a contractor that handles both heavy construction and these kinds of custom finishing touches so well.

Photos

Customer reviews

5.0 ★★★★★ 41 reviews on Google · rating breakdown

Reviews from Google, shown as published (original wording, unedited).

Team members customers mention
Filter by topic — each topic is highlighted in the reviews in the same color
Scott McAllister2 reviewsTotal number of Google reviews Scott has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

OCA Builders | Construction Company & ADU Contractor Santa Cruz made my ADU project smooth and stress free. Communication remained clear, crew worked efficiently, and final results looked modern, clean, and professionally finished.

Brian Case3 reviewsTotal number of Google reviews Brian has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

I had an excellent experience with OCA Builders | Construction Company & ADU Contractor Santa Cruz. Team stayed professional, organized, and delivered beautiful construction work with impressive attention to detail from beginning to completion.

Andre Foster3 reviewsTotal number of Google reviews Andre has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Our retail storefront passed every city inspection on the first try thanks to their meticulous commercial prep work.

Coinbase Helpdesk2 reviewsTotal number of Google reviews Coinbase has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Gutting a 1950s house sounded terrifying, but this crew guided us through every single structural hurdle smoothly.

Sherrie Hoover1 reviewTotal number of Google reviews Sherrie has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Our kitchen renovation was a big undertaking, but the crew made it feel manageable. They were in and out on the dates they promised, and the new cabinetry and lighting completely changed the vibe of the house.

Response from the owner · 7 months ago

Sherry you’re amazing. We loved every step of the process

James Ellison4 reviewsTotal number of Google reviews James has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

The metal gates and fences they installed around our yard are rock solid. It’s rare to find a contractor that handles both heavy construction and these kinds of custom finishing touches so well.

Benjamin Flatauer3 reviewsTotal number of Google reviews Benjamin has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

OCA Builders Inc. did an outstanding job building our ADU! Owner Oren Atia was professional, responsive, and truly cared about the details from start to finish. The craftsmanship is top-notch, the process was smooth, and the final result exceeded our expectations. Highly recommend them for any ADU project—great team and quality work!

  • Price assessment: Great price
Shachar BirendorfLocal Guide · 22 reviewsTotal number of Google reviews Shachar has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Amazing service

Amber D.Local Guide · 23 reviewsTotal number of Google reviews Amber has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

Oren and his team at OCA Builders completely transformed our 1960s ranch home in Aptos, and I honestly can't imagine trusting anyone else with such an important project. What started as a kitchen remodel turned into a full home renovation when we realized how thoughtful and skilled they were with every detail. From day one, Oren listened to our family's needs - not just what we wanted aesthetically, but how we actually live in our space. They suggested design changes that we never would have thought of but now can't imagine living without. The craftsmanship is absolutely beautiful, and they somehow managed to honor the original character of our home while making it feel completely modern and functional. What really sets OCA apart is how they treat your home like it's their own. The crew was respectful, cleaned up thoroughly each day, and kept us informed every step of the way. When we had questions or concerns, Oren was always quick to respond and address them professionally. Six months later, we still get compliments from neighbors and friends. Our home feels like us again, just the best version of itself. If you're looking for contractors who genuinely care about quality and your vision, OCA Builders is the team you want.

Marley Kay3 reviewsTotal number of Google reviews Marley has written across all businesses on Google Maps, not just this one.
Review from Google · view on Google
★★★★★

They done everything I asked and needed them to do. There prices were unbeatable and they made my vision into reality. so glad we went with this company.

OCA Builders | Construction Company & ADU Contractor on Google Maps →

Business details