Attention Multi-Family Developers, Business Owners, and 1031 Exchange Buyers off the 5 Fwy – Red Hill Ave.
Rare Tustin opportunity, permitted office space with R3 high-density residential zoning and multiple exit strategies. Operating as a professional office since the 1980s (improved 2020), this 1,574 SF standalone building on a 5,750 SF lot is move-in ready for immediate use or primed for redevelopment.
The following professional office uses are explicitly permitted under the Tustin City Code and/or consistent with allowed professional office use at this location:
Law & Legal Services, CPA & Accounting, Medical (General Practice, Family Medicine, Internal Medicine), Dental, Oral Surgery, Orthodontics, Chiropractic, Physical Therapy, Occupational Therapy, Speech Therapy, Mental Health & Counseling, Psychiatry, Psychology, Ophthalmology, Optometry, Podiatry, Surgery (Outpatient), Physician & Surgeon, Architecture, Drafting & Design, Engineering, Civil & Structural Engineering, Land Planning, Surveying, Real Estate, Mortgage & Lending, Insurance, Financial Planning & Wealth Management, Marketing & Advertising, Graphic Design, Interior Design, Creative Agencies, Tech Startups & Consultants, MedSpa (Outpatient), Wellness & Integrative Health, any professional licensed by the State of California to practice the healing arts in an outpatient setting.
Per Tustin City Code, additional uses not listed above may be permitted at the discretion of the Community Development Director and/or Planning Commission upon determination of similar use. Buyer to verify all permitted uses with the City and County.
Shovel-ready infrastructure with plumbing and utilities already in place for two bathrooms and a full kitchen, dramatically reducing future conversion costs. R3 zoning allows for multi-family, condo, townhome, ADU, or mixed-use development.
Multiple exit strategies: owner-users build equity while occupying, investors lease now and redevelop later, developers maximize R3 density, or live/work buyers convert to residence plus ADU income. High-visibility Red Hill Ave location with exceptional I-5 Freeway access and strong daily traffic count.
Use it. Lease it. Build it. The options are yours.
AGENT: Zoran Grujevski LISTING BROKERAGE: Rubio Real EstateRare Tustin opportunity, permitted office space with R3 high-density residential zoning and multiple exit strategies. Operating as a professional office since the 1980s (improved 2020), this 1,574 SF standalone building on a 5,750 SF lot is move-in ready for immediate use or primed for redevelopment.
The following professional office uses are explicitly permitted under the Tustin City Code and/or consistent with allowed professional office use at this location:
Law & Legal Services, CPA & Accounting, Medical (General Practice, Family Medicine, Internal Medicine), Dental, Oral Surgery, Orthodontics, Chiropractic, Physical Therapy, Occupational Therapy, Speech Therapy, Mental Health & Counseling, Psychiatry, Psychology, Ophthalmology, Optometry, Podiatry, Surgery (Outpatient), Physician & Surgeon, Architecture, Drafting & Design, Engineering, Civil & Structural Engineering, Land Planning, Surveying, Real Estate, Mortgage & Lending, Insurance, Financial Planning & Wealth Management, Marketing & Advertising, Graphic Design, Interior Design, Creative Agencies, Tech Startups & Consultants, MedSpa (Outpatient), Wellness & Integrative Health, any professional licensed by the State of California to practice the healing arts in an outpatient setting.
Per Tustin City Code, additional uses not listed above may be permitted at the discretion of the Community Development Director and/or Planning Commission upon determination of similar use. Buyer to verify all permitted uses with the City and County.
Shovel-ready infrastructure with plumbing and utilities already in place for two bathrooms and a full kitchen, dramatically reducing future conversion costs. R3 zoning allows for multi-family, condo, townhome, ADU, or mixed-use development.
Multiple exit strategies: owner-users build equity while occupying, investors lease now and redevelop later, developers maximize R3 density, or live/work buyers convert to residence plus ADU income. High-visibility Red Hill Ave location with exceptional I-5 Freeway access and strong daily traffic count.
Use it. Lease it. Build it. The options are yours.
Courtesy of Rubio Real Estate. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the California Regional Multiple Listing Service. Detailed information about real estate listings held by brokerage firms other than The Agency RE include the name of the listing broker. Neither the listing company nor The Agency RE shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. California Regional Multiple Listing Service. All rights reserved. 13691 Red Hill AV
Tustin, CA
Property Details
Price:
$875,000
MLS #:
OC25248698
Status:
Active
Beds:
3
Baths:
1
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
71tustin
Listed Date:
Feb 16, 2026
Finished Sq Ft:
1,574
Lot Size:
5,750 sqft / 0.13 acres (approx)
Year Built:
1938
71 – Tustin71tustinTustin UnifiedTustinNone
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Schools
School District:
Tustin Unified
High School:
Tustin
Interior
Appliances
WHU
Bathrooms
1 Full Bathroom
Cooling
CA
Flooring
TILE, VINY
Heating
FIR
Interior Features
ST, RECL
Laundry Features
SEE
Levels
A
Main Level Bathrooms
2
Main Level Bedrooms
3
Exterior
Accessibility Features
DSI, GBB, PK, WC, DIF
Common Walls
NCW
Community Features
SDW, SUB, PARK, DGP
Construction Materials
BLK, STC, DWAL
Fencing
BW
Parking Spots
8
Parking Total
8
Patio And Porch Features
PTO
Roof
ASP
Spa Features
NO
View
NO
Window Features
DPW
Financial
Map
Community
- Address13691 Red Hill AV Tustin CA
- SubdivisionOther (OTHR)
- CityTustin
- CountyOrange
- Zip Code92780
