---
title: "Jantz Construction — Home Builders | Houzz"
canonical_html_url: https://www.houzz.com/professionals/home-builders/jantz-construction-pfvwus-pf~1477937615
markdown_url: https://www.houzz.com/md/professionals/pf~1477937615.md
entity_type: LocalBusiness
business_name: "Jantz Construction"
category: ["Home Builders"]
image: https://st.hzcdn.com/fimgs/c983d1330808fc41_0157-w400-h400-b0-p0--.jpg
address: "4425 Cass St, San Diego, California 92109, United States"
latitude: 32.7969
longitude: -117.2405
phone: "(619) 320-4514"
website: http://www.jantzconstruction.com
rating: 4.9
review_count: 7
years_in_business: 14
license_verified: true
best_of_houzz_awards: 2
followers: 39
last_updated: 2026-09-06
---

# Jantz Construction

> San Diego’s Premier Coastal Custom Home Builder & Home Remodeler

Original Houzz profile: [Jantz Construction](https://www.houzz.com/professionals/home-builders/jantz-construction-pfvwus-pf~1477937615)

## Professional summary

- **Primary category:** Home Builders
- **Location:** San Diego, CA
- **Serves:** San Diego, Point Loma San Diego, La Jolla, Ocean Beach San Diego, Coronado, Hill Crest San Diego, Mission Hills San Diego, Mission Valley San Diego
- **Verified License:** Yes
- **Houzz rating:** 4.9 out of 5 (7 reviews)
- **Best of Houzz:** 2 awards (2017–2021), for Service.

## About

### Houzz Badges

- Houzz Pro Software User
- Recommended on Houzz
- 1,000 Ideabook Saves
- Best of Houzz winner
- High-end
- 14 years in business
- Verified Hires

### Business highlights

- 14 years in business
- Best of Houzz winner
- High-end
- 1 Verified Hire

Medium sized Owner operated firm based in San Diego, Southern California.

Jantz construction was founded in 2006 and quickly established a reputation for providing excellent workmanship and customer service.  Having completed projects ranging from kitchen and bath remodels to complete custom home construction, we have the experience to exceed your expectations.

New Custom Homes Design & Construction $1 Million to 10 Million. 
Whole Home Renovations Design & Construction $500,000 to 5 Million. 
Room Additions Design & Construction $150,000 to $300,000. 
ADU (Accessory Dwelling Unit) Design & Construction $125,000 – $350,000
Historical Renovation/Preservation $200,000 - $2 Million
Twin Home or Multi-Family Design & Construction $2,000,000 - $10 Million
Estimates based on experience. Actual costs may vary depending on the scope of your project.

### Services Provided

- New Home Construction
- Custom Homes
- Home Remodeling
- Home Additions
- Multigenerational Homes
- Guesthouse Design & Construction
- Accessory Dwelling Units (ADUs)
- Project Management
- Pool House Design & Construction
- Universal Design
- Historic Building Conservation
- Remodeling

### Areas Served

- San Diego
- Point Loma San Diego
- La Jolla
- Ocean Beach San Diego
- Coronado
- Hill Crest San Diego
- Mission Hills San Diego
- Mission Valley San Diego

### Typical Job Cost

$250,000 - 2,000,000

New Custom Homes from 1 Million to 10 Million. Whole Home Renovations from $500,000 to 5 Million. Room Additions from $150,000 to $300,000. Estimates based on experience. Actual costs may vary depending on the scope of your project.

## Business Details

| Field | Value |
| --- | --- |
| Business Name | Jantz Construction |
| Address | 4425 Cass St, San Diego, California 92109, United States |
| Phone | (619) 320-4514 |
| Website | http://www.jantzconstruction.com |
| License Number | 880798 |
| Years in business | 14 |
| Followers on Houzz | 39 |

**Social profiles:**
- Facebook — https://www.facebook.com/Jantz-Construction-190420004341944/
- Blog — http://www.jantzconstruction.com/

## Contact

- **Houzz profile:** [Jantz Construction](https://www.houzz.com/professionals/home-builders/jantz-construction-pfvwus-pf~1477937615)
- **Website:** http://www.jantzconstruction.com
- **Phone:** (619) 320-4514

## Credentials

**Verified License**
- Number: 880798
- Type: B - GENERAL BUILDINGC36 - PLUMBING
- Issued by: Department of Consumer Affairs Contractors State License Board

**Certifications & Awards**
- CA Lic. \#880798

- **Best of Houzz:** 2 awards (2017–2021), for Service.

## Reviews

**Overall rating: 4.9 out of 5 — 7 reviews**

### All 7 reviews

**★★★★★ — HU-868893672, June 2020**

> We have used Jantz Construction for two home additions and we would recommend them to anyone. We had a great experience with both additions. They are honest and upfront with cost, so you always know what to expect. We will definitely use Jantz Construction in the future for any home projects.

**★★★★★ — Rimma Rosenberg, June 2020**

> We interviewed several contractors and from the first meeting with Ryan Jantz we felt at ease and comfortable with the idea that we can work together. Throughout the project at any time when the obstacle presented itself, Ryan would rapidly resolve it. His recommendations were always spot on, he stayed pretty much on a budget. Any overruns were due to my desire. Because of the rain when construction started, we fell behind, but Ryan was on top of things. Ryan was very responsive to all my requests as pertained to details. We would meet on a weekly basis to discuss the progress and potential issue resolution.
>
> When Ryan asked me what I would have done differently, I could not come up with anything. When my husband and I could not agree on a controversial particular issue, Ryan was an exceptional mediator.
>
> I highly recommend Jantz construction, you will be in good hands.

**★★★★★ — Larry Hertel, Nov. 2016**

> Ryan did our kitchen remodel at our home in July and did a great job.  He competed the job on budget and as promised.  It was a pleasure to work with him and his crew, Edgar was great!  I would do work with Jantz Construction again.

**★★★★ — Jack Bennett, Oct. 2016**

> Jantz remodeled a bathroom for me last year. They addressed my concerns and were able to deliver a good product. During the job, we encountered unforeseen construction problems/delays and we were able to able to resolve them. They kept to the budget of their estimate.

**★★★★★ — Justin Ireland, Oct. 2016**

> We hired Ryan after interviewing and getting quotes from 9 different contractors. We already had a great architect with plans completely done, and permits pulled. After meeting with him a couple times, we decided to got with Jantz because we were comfortable with him and his foreman. Our biggest concern, like most people, was our budget, and making sure we didn't go over. In my opinion, you won't find a more budget oriented contractor than Ryan. From structural cost (concrete, wood, etc), to the finishes (tile, flooring, bathroom, etc), Ryan always consulted with us. Like most, we wanted to most expensive materials, and Ryan would stop us, give us expamples of exactly what we wanted, but at a much lower price. Additionally, he made some suggestions to modify the plans and critical times, suggestions that made more sense and a better use of space. It is one thing to read and follow the plans, but he has vision beyond the plans that actually make sense. In the end, we were at, or a tad under budget, and finished ahead of schedule. Ryan uses a cost plus system, that scared us at first. But if you use a set price contract, and the contractor finds material at a lower cost, that contractor keeps the savings. Ryan however, charges you what it actually cost, and passes the savings to you. Do your due diligence, get a bunch of quotes, along with Jantz's, read the fine print, and I am confident you will go with Ryan.  I highly recommend this company.

**★★★★★ — lindasalinda0, Oct. 2016**

> This is the second time I've worked with Ryan. He was our contractor when we built our house. As always, it's great working with him. He's reliable and very trust worthy!

**★★★★★ — piccolopav, Oct. 2016**

> Ryan is the consummate professional. He embodies honesty and quality, consistently exceeding our expectations in every way. Both himself and his subcontractors are clean, courteous and polite. My wife felt very comfortable being home alone with them in our house (we have four daughters as well who adored the whole crew). He has done numerous projects for us: two full bathroom remodels, a family room addition and an additional bedroom add-on. We have known Ryan and used his company over the course of 8 years. Look no further, he is the best!!!

## Selected projects

- [Encinitas Neptune House](https://www.houzz.com/hznb/projects/encinitas-neptune-house-pj-vj~6277858)
  - Location: Encinitas, CA
  - Photos: 44
- [Dolphin House](https://www.houzz.com/hznb/projects/dolphin-house-pj-vj~5632038)
  - Location: San Diego, CA
  - Photos: 40
- [Mission Beach House](https://www.houzz.com/hznb/projects/mission-beach-house-pj-vj~1255489)
  - Location: San Diego, CA
  - Photos: 6
- [Kensington Kitchen](https://www.houzz.com/hznb/projects/kensington-kitchen-pj-vj~1255451)
  - Location: San Diego, CA
  - Photos: 2
- [Coronado Craftsman](https://www.houzz.com/hznb/projects/coronado-craftsman-pj-vj~1255470)
  - Location: Coronado, CA
  - Photos: 8
- [La Jolla Newkirk Remodel](https://www.houzz.com/hznb/projects/la-jolla-newkirk-remodel-pj-vj~6333871)
  - Location: San Diego, CA
  - Photos: 23
- [Modern Farmhouse In Cardiff](https://www.houzz.com/hznb/projects/modern-farmhouse-in-cardiff-pj-vj~6372594)
  - Location: Encinitas, CA
  - Photos: 4
- [Pacific Beach Split Level](https://www.houzz.com/hznb/projects/pacific-beach-split-level-pj-vj~6333919)
  - Location: San Diego, CA
  - Photos: 23
- [Riley Addition and Remodel](https://www.houzz.com/hznb/projects/riley-addition-and-remodel-pj-vj~2004990)
  - Location: San Diego, CA
  - Photos: 14
- [La Jolla Modern Farmhouse](https://www.houzz.com/hznb/projects/la-jolla-modern-farmhouse-pj-vj~6915853)
  - Location: San Diego, CA
  - Photos: 37
- [La Jolla House](https://www.houzz.com/hznb/projects/la-jolla-house-pj-vj~6427904)
  - Location: Not specified
  - Photos: 25

[See all 11 projects](https://www.houzz.com/professionals/home-builders/jantz-construction-pfvwus-pf~1477937615)

## Video

- [Company video](https://player.vimeo.com/external/840727193.m3u8?s=6f328434d93334a39ba846e7c41bf4abc7f7511d&oauth2_token_id=1384357804)

## Community Q&A

**Q: Countertop.** *(in Photo Questions)*

What kind of wood was used on the peninsula, and how was it finished?

A: That is Walnut, it was finished with an wiping oil so as to be easily refinished often.

**Q: front door** *(in Photo Questions)*

can you tell me make/model of front door?  beautiful

A: Sorry for the late reply,  the door was custom made.

---

*Source: Houzz professional profile. Reflects the profile as of 2026-09-06.*