---
title: "ALTERPEX LLC — Building Designers and Drafters | Houzz"
canonical_html_url: https://www.houzz.com/professionals/building-designers-and-drafters/alterpex-llc-pfvwus-pf~918771684
markdown_url: https://www.houzz.com/md/professionals/pf~918771684.md
entity_type: LocalBusiness
business_name: "ALTERPEX LLC"
category: ["Building Designers and Drafters"]
image: https://st.hzcdn.com/fimgs/bfc3077f0108d195_9182-w400-h400-b0-p0--.jpg
address: "50 California St, Suite 1500, San Francisco, California 94111, United States"
latitude: 37.7974
longitude: -122.4001
phone: "(415) 910-0349"
website: http://www.alterpex.com
rating: 0
review_count: 0
followers: 7
last_updated: 2026-09-16
---

# ALTERPEX LLC

Original Houzz profile: [ALTERPEX LLC](https://www.houzz.com/professionals/building-designers-and-drafters/alterpex-llc-pfvwus-pf~918771684)

## Professional summary

- **Primary category:** Building Designers and Drafters
- **Location:** San Francisco, CA
- **Serves:** Los Angeles, San Diego, San Jose, San Francisco, Sacramento, Oakland, Fremont, Santa Rosa, Hayward, Sunnyvale, Concord, Vallejo, Berkeley, Richmond, Antioch, Ventura, San Mateo, Vacaville, Santa Barbara, Livermore, Napa, Alameda, Walnut Creek, Dublin, Palo Alto, Santa Cruz, San Rafael, Petaluma, El Cerrito, South Lake Tahoe, Tahoe City, Albany, Ukiah, Mill Valley, Larkspur, Emeryville, Piedmont, Corte Madera, Tiburon, Sausalito, Strawberry, Willits, Brisbane, Belvedere, Tahoma, Alto, Muir Beach, Bay Area, Belvedere Tiburon, Nationwide
- **Houzz rating:** 0.0 out of 5 (0 reviews)

## About

### Houzz Badges

- Locally owned
- Free estimate
- Online consultation

Alterpex specializes in capturing existing conditions accurately using high-definition laser scanners. We can help you through the whole process or on one of the phases of work, starting from developing as-builts of your property, all the way to preparing construction drawings. The use of innovative technologies is very beneficial for all the parties involved in the project and we will be happy to assist you or facilitate the process.

### Services Provided

- 3D Laser Scanning
- 3D Rendering
- Accessory Dwelling Units (ADUs)
- Architectural Design
- Architectural Drawings
- Architectural Plans
- As-Built Drawing
- As-Built Surveying
- As-Builts
- Attic Conversion
- Barn Design & Construction
- Basement Design
- Bathroom Design
- Building Design
- Building measurements
- CAD Drafting
- Construction Drawings
- Custom Homes
- Design Consultation
- Digital Twin
- Drafting
- Earthquake Retrofitting
- Floor Plans
- Green Building
- Guesthouse Design & Construction
- Home Additions
- Home Extensions
- Home Gym Design & Construction
- Home Remodeling
- House Plans
- Interior Design
- Kitchen Design
- Laundry Room Design
- Lighting Design
- MEP Modeling
- New Home Construction
- Passive Solar Heating & Cooling
- Patio Design
- Project Management
- Remodeling
- Revit Modeling
- Scan to BIM
- Shop Drawings
- Site Planning
- Space Planning
- Staircase Design
- Sustainable Design
- Universal Design
- Virtual Tour
- Visualization

### Areas Served

- Los Angeles
- San Diego
- San Jose
- San Francisco
- Sacramento
- Oakland
- Fremont
- Santa Rosa
- Hayward
- Sunnyvale
- Concord
- Vallejo
- Berkeley
- Richmond
- Antioch
- Ventura
- San Mateo
- Vacaville
- Santa Barbara
- Livermore
- Napa
- Alameda
- Walnut Creek
- Dublin
- Palo Alto
- Santa Cruz
- San Rafael
- Petaluma
- El Cerrito
- South Lake Tahoe
- Tahoe City
- Albany
- Ukiah
- Mill Valley
- Larkspur
- Emeryville
- Piedmont
- Corte Madera
- Tiburon
- Sausalito
- Strawberry
- Willits
- Brisbane
- Belvedere
- Tahoma
- Alto
- Muir Beach
- Bay Area
- Belvedere Tiburon
- Nationwide

### Typical Job Cost

$1,000 - 250,000

We work on an hourly basis or fixed price depending on the project.

## Business Details

| Field | Value |
| --- | --- |
| Business Name | ALTERPEX LLC |
| Address | 50 California St, Suite 1500, San Francisco, California 94111, United States |
| Phone | (415) 910-0349 |
| Website | http://www.alterpex.com |
| Followers on Houzz | 7 |

**Social profiles:**
- Facebook — https://www.facebook.com/alterpex/
- X (Twitter) — https://twitter.com/alterpex
- LinkedIn — https://www.linkedin.com/company/alterpex
- Blog — https://alterpex.com/

## Contact

- **Houzz profile:** [ALTERPEX LLC](https://www.houzz.com/professionals/building-designers-and-drafters/alterpex-llc-pfvwus-pf~918771684)
- **Website:** http://www.alterpex.com
- **Phone:** (415) 910-0349

## Selected projects

- [Modern Style Single Family House](https://www.houzz.com/hznb/projects/modern-style-single-family-house-pj-vj~7107519)
  - Location: Not specified
  - Photos: 17
- [Residential As-Builts](https://www.houzz.com/hznb/projects/residential-as-builts-pj-vj~7107499)
  - Location: Not specified
  - Photos: 5
- [3D Models Single Family Houses](https://www.houzz.com/hznb/projects/3d-models-single-family-houses-pj-vj~7106201)
  - Location: Not specified
  - Photos: 6
- [3D Models Multifamily Residential](https://www.houzz.com/hznb/projects/3d-models-multifamily-residential-pj-vj~7106406)
  - Location: Not specified
  - Photos: 2
- [Single Family (Menlo Park)](https://www.houzz.com/hznb/projects/single-family-menlo-park-pj-vj~6771417)
  - Location: Menlo Park, California
  - Photos: 14

[See all 5 projects](https://www.houzz.com/professionals/building-designers-and-drafters/alterpex-llc-pfvwus-pf~918771684)

## Ideabooks

- [230120 - Updated Proposed Design](https://www.houzz.com/ideabooks/165642207/list/230120-updated-proposed-design) — 22 ideas
- [230105 - Proposed Design Progress](https://www.houzz.com/ideabooks/165320642/list/230105-proposed-design-progress) — 28 ideas

[See all 2 ideabooks](https://www.houzz.com/ideabooks/users/alterpex)

---

*Source: Houzz professional profile. Reflects the profile as of 2026-09-16.*