How Off-Campus MOB Financing Works in Phoenix
Phoenix has emerged as one of the most active medical office markets in the country, driven by sustained population growth across the metro and the expanding footprints of Banner Health, Dignity Health, HonorHealth, and Valleywise Health. The Mayo Clinic Arizona campus in Scottsdale anchors the on-campus segment and commands the most aggressive life company and institutional capital in the market. Off-campus suburban medical office, by contrast, concentrates in the East Valley corridor through Gilbert, Chandler, Queen Creek, and Mesa, where population growth is driving demand for outpatient specialty care independent of any single health system campus.
Off-campus MOB financing in Phoenix operates on a distinct logic from on-campus product. The tenant base is typically physician-owned specialty groups, multi-specialty clinics, urgent care operators, dental groups, physical therapy practices, and outpatient diagnostic providers. These tenants are creditworthy but underwritten differently than a hospital-guaranteed anchor lease. Lenders focus heavily on remaining lease term, guaranty structure, and the degree to which any single tenant represents concentration risk in the building. In the Phoenix suburbs, where new supply has been active, understanding submarket absorption and physician group stability matters as much as the physical plant.
The financing programs that dominate this segment in Phoenix are community and regional bank permanent loans for stabilized suburban product, CMBS for mid-market assets with occupancy and credit anchors above lender thresholds, SBA 504 for owner-occupant physician groups acquiring their own practice buildings, and bridge debt from debt funds for lease-up or value-add suburban medical office. Each of these executes differently in Phoenix depending on submarket, tenant profile, and deal size.
Lender Appetite and Capital Stack for Phoenix Off-Campus MOB
Community and regional banks are the most consistent lenders for stabilized off-campus MOB in Phoenix, particularly for assets below the CMBS execution threshold. Arizona-based regional banks and Western regional lenders with CRE medical office familiarity are active on acquisitions and refinances where occupancy is stabilized and the tenant roster includes multiple physician groups or clinic operators. These lenders generally underwrite to 65 to 75 percent LTV, with floating rate or fixed-rate structures tied to the 10-year Treasury or SOFR. With the 10-year Treasury around 4.3 percent and SOFR around 3.6 percent in 2026, community bank pricing on off-campus medical office generally runs in the range of 200 to 325 basis points over the relevant index, depending on sponsorship, leverage, and lease term quality. Amortization is typically 25 to 30 years on a 5 to 7-year term, with prepayment structured as step-down or yield maintenance depending on lender.
CMBS executes competitively for Phoenix off-campus MOB at $10 million and above, particularly where occupancy is strong and at least one credit-quality anchor tenant is in place. CMBS lenders are pricing in a similar spread range to community banks on stabilized product, but they bring non-recourse structure and longer fixed-rate terms that can be valuable for sponsors seeking balance sheet efficiency. Defeasance is the standard prepayment mechanism in CMBS, which limits flexibility for sponsors who anticipate an early exit. Life insurance companies are selective in the Phoenix off-campus segment and generally reserve their appetite for larger assets with credit-tenant anchors, on-campus or near-campus positioning, and strong sponsorship. Sponsors with off-campus suburban product in the mid-market range should not expect life company engagement unless the asset has institutional-grade attributes.
SBA 504 is widely used by Arizona physician groups acquiring suburban practice buildings, and it remains one of the strongest execution paths for owner-occupant deals. The program allows up to 90 percent combined LTV through the conventional first and SBA debenture structure, with fixed-rate long-term debt on the SBA tranche. For a physician group acquiring a building for its own practice, SBA 504 provides a leverage profile that conventional financing cannot match. Bridge debt from debt funds covers lease-up situations and value-add suburban medical office where the asset does not yet qualify for agency, CMBS, or bank permanent financing.
Underwriting Criteria That Matter in Phoenix
Lenders underwriting off-campus MOB in Phoenix concentrate scrutiny on lease term remaining, tenant guaranty structure, and rollover risk relative to the loan term. A building anchored by a single specialty group on a lease with three years remaining will face meaningful resistance from most lenders regardless of occupancy or submarket. Lenders want to see weighted average lease term of at least five to seven years across the tenant roster, with personal guaranties from physician owners where the tenant entity is a professional corporation or LLC without standalone credit depth.
Submarket fundamentals matter more in Phoenix than in markets with less new supply. The East Valley has seen active medical office development, and lenders are paying attention to competitive supply in Gilbert, Chandler, and Queen Creek when assessing re-leasing risk at rollover. Medical-grade building specifications, including clinical HVAC, electrical capacity above standard office, ADA compliance, and clinical plumbing, are baseline expectations. Buildings that lack these specifications face re-tenanting risk that lenders will model conservatively. Tenant concentration is a consistent underwriting focus: buildings with more than 40 to 50 percent of income from a single tenant group face more scrutiny on guaranty structure and rollover stress.
Typical Deal Profile and Timeline
A representative off-campus MOB deal in Phoenix in the current market is a 15,000 to 40,000 square foot suburban medical building in the East Valley, anchored by an orthopedic, cardiology, or multi-specialty group, with two to four additional tenants in physical therapy, urgent care, or diagnostic services. Total capitalization typically falls in the $5 million to $30 million range for this profile, with larger assets in Scottsdale or high-visibility corridors pushing toward the upper end of the $60 million program ceiling.
Sponsors lenders want to see in this segment are experienced CRE investors or physician-owner groups with medical office operating familiarity, clean balance sheets, and liquidity to support debt service through any lease-up or rollover period. First-time medical office sponsors without a demonstrated track record face meaningful friction in getting bank or CMBS terms without a co-sponsor or credit enhancement structure.
A realistic timeline from signed LOI through closing runs 60 to 90 days for community bank or SBA 504 transactions, and 75 to 105 days for CMBS execution depending on third-party report sequencing and securitization pipeline timing. Environmental and property condition assessments add lead time in suburban Phoenix where some older medical office stock carries deferred maintenance or HVAC system age issues. Build in adequate contingency before a hard deposit or rate lock deadline.
Common Execution Pitfalls Specific to Phoenix
The first pitfall is underestimating the impact of short lease terms on lender appetite. Phoenix suburban medical office has seen physician group consolidation and health system absorption of formerly independent practices, which can shorten effective lease terms or introduce uncertainty around renewal. Sponsors who assume strong occupancy translates directly into loan proceeds discover quickly that term remaining is a binding constraint on most lenders.
The second pitfall is misjudging CMBS eligibility for mid-market product. Not every stabilized suburban MOB in Phoenix clears the CMBS occupancy and credit-tenant thresholds that activate competitive CMBS execution. Sponsors who structure their deal around CMBS pricing but have a tenant roster that does not support CMBS underwriting will lose time and potentially deal momentum.
The third pitfall is supply-side comps in high-growth submarkets. Lenders are aware that Chandler, Gilbert, and Queen Creek have active medical office pipelines. Appraisals that rely on limited lease comps in submarkets with new competitive supply can come in below sponsor expectations, compressing proceeds. Engaging a qualified MAI appraiser with medical office experience in the specific submarket before going to market reduces this risk.
The fourth pitfall is SBA eligibility assumptions. Physician groups planning to use SBA 504 need to confirm owner-occupancy requirements early. The SBA requires the borrowing entity to occupy at least 51 percent of the building at origination for existing buildings. Multi-tenant buildings where the physician group occupies a minority of the GLA do not qualify, and sponsors who build their capital stack around SBA leverage before confirming eligibility can face a significant gap late in the process.
If you have an off-campus medical office acquisition or refinance under contract in Phoenix or elsewhere in the Southwest, CLS CRE has a current active lender network across community bank, CMBS, SBA, and bridge debt fund channels with a track record of closed medical office transactions at multiple points in the capital stack. Contact Trevor Damyan at CLS CRE to discuss your deal specifics or request the full medical office financing program guide for your asset type and market.