--- title: "Philadelphia Class A Office Market" description: "Northeast gateway with deep healthcare, life sciences, and education anchors." canonical: https://classa.info/cities/philadelphia pageType: city lastUpdated: 2026-04-15T00:00:00.000Z license: "CC BY 4.0 with attribution to Class A Atlas (https://classa.info)." --- > Philadelphia Class A office rents around $38/sqft/yr, with 21.6% vacancy and 14 months of typical rent-free on a 10-year term. ## TL;DR - Class A trophy product on Market Street West and along the Avenue of the Arts trades at $48-$56/sqft. - University City life sciences pipeline is the principal new-demand driver. - Comcast Technology Center anchors the trophy tier. - Concessions remain rich — 12-16 months free typical on a 10-year deal. # Philadelphia Class A Office Market *Northeast gateway with deep healthcare, life sciences, and education anchors.* ## TL;DR - [Class A](/glossary/class-a) trophy product on Market Street West and along the Avenue of the Arts trades at $48-$56/sqft. - University City life sciences pipeline is the principal new-demand driver. - Comcast Technology Center anchors the [trophy tier](/topics/trophy-asset-selection). - Concessions remain rich — 12-16 months free typical on a 10-year deal. ## Overview Philadelphia's Class A market is anchored by the largest academic medical complex in the US, deep professional services tenancy, and a growing life sciences and biotech demand cluster around the Schuylkill Yards / University City corridor. ## Market snapshot | Class A rent | 38 USD/sqft/yr (38 USD)| | Vacancy | 21.6%| | Typical lease length | 10 years| | Typical rent-free | 14 months| Composite of Q1 2026 broker market reports for Philadelphia. ## Lease norms Modified-gross structures with opex pass-throughs. 10-year terms standard. Free rent of 12-16 months and TI of $90-$130/sqft typical. ## Transit & access SEPTA regional rail (13 lines), broad-street and Market-Frankford subway, multiple bus and trolley routes. PATCO connects Camden and South Jersey. Center City is highly walkable. ## Tax 21% federal plus 9.99% Pennsylvania corporate net income tax (declining over time) for an effective rate near 26%. Philadelphia Business Income & Receipts Tax (BIRT) applies. ## Talent Deep healthcare, life sciences, legal, and academic talent — anchored by Penn, Temple, Drexel, and a deep network of hospital systems. Strong financial services concentration in asset management and insurance. ## Notable Class A buildings - **Comcast Technology Center** [](https://www.google.com/maps/search/?api=1&query=Comcast%20Technology%20Center%2C%201800%20Arch%20Street%2C%20Philadelphia%2C%20PA%2019103%2C%20Center%20City%20West%2C%20Philadelphia%2C%20United%20States&query_place_id=ChIJvy7jYDHGxokRAVBBpukuNxQ) · Center City West — Tallest building in PA. - **Comcast Center** [](https://www.google.com/maps/search/?api=1&query=Comcast%20Center%2C%201701%20John%20F%20Kennedy%20Boulevard%2C%20Philadelphia%2C%20PA%2019103%2C%20Center%20City%20West%2C%20Philadelphia%2C%20United%20States&query_place_id=ChIJfREvhDHGxokRZTo_so1ub2w) · Center City West — Tallest tower in Pennsylvania at delivery; Comcast HQ anchor. - **1701 Market** [](https://www.google.com/maps/search/?api=1&query=1701%20Market%2C%201701%20Market%20Street%2C%20Philadelphia%2C%20PA%2019103%2C%20Center%20City%20West%2C%20Philadelphia%2C%20United%20States&query_place_id=ChIJs3wjojHGxokReuYsmuPRRRY) · Center City West — Morgan Lewis-anchored boutique Center City trophy. - **Cira Centre** [](https://www.google.com/maps/search/?api=1&query=Cira%20Centre%2C%202929%20Arch%20Street%2C%20Philadelphia%2C%20PA%2019104%2C%20University%20City%2C%20Philadelphia%2C%20United%20States&query_place_id=ChIJi_BSs0bHxokRJB_g0z34kLw) · University City — First major Class A delivery west of the Schuylkill. - **3.0 University Place** [](https://www.google.com/maps/search/?api=1&query=3.0%20University%20Place%2C%204101%20Market%20Street%2C%20Philadelphia%2C%20PA%2019104%2C%20University%20City%2C%20Philadelphia%2C%20United%20States&query_place_id=ChIJSbs92FbGxokRdF_kuXIFjfk) · University City — Life sciences trophy. ## Class A submarkets in Philadelphia - [**Center City West**](/cities/philadelphia/center-city-west) — The trophy financial spine. (trophy) - [**Center City East**](/cities/philadelphia/center-city-east) — Avenue of the Arts trophy stock. (prime) - [**University City / Schuylkill Yards**](/cities/philadelphia/university-city) — Life sciences and tech corridor. (trophy) - [**Navy Yard**](/cities/philadelphia/navy-yard) — Master-planned campus on the Delaware. (prime) - [**King of Prussia & Conshohocken**](/cities/philadelphia/king-of-prussia-conshohocken) — Suburban trophy belt along I-76. (established) ## Philadelphia deep-dives - [Rents and incentives](/cities/philadelphia/topics/rents-and-incentives) — What does Class A rent cost and what concessions are typical? - [Sublease market](/cities/philadelphia/topics/sublease-market) — How deep is [sublease](/topics/sublease-strategy)">sublease availability and how does it price? - [ESG and LEED stock](/cities/philadelphia/topics/esg-and-leed) — How much certified stock exists and what premium does it command? - [Transit and commute](/cities/philadelphia/topics/transit-and-commute) — Which submarkets have the strongest transit access? - [Talent and salaries](/cities/philadelphia/topics/talent-and-salaries) — What does the white-collar talent pool look like and how is it priced? - [Fit-out costs](/cities/philadelphia/topics/fit-out-costs) — What does a Class A [fit-out](/topics/fit-out-capex)">fit-out cost per square foot? - [Flex vs lease](/cities/philadelphia/topics/flex-vs-lease) — When does premium [coworking](/topics/lease-vs-flex) beat a traditional lease? - [Taxes and incentives](/cities/philadelphia/topics/taxes-and-incentives) — What corporate, occupancy, and property taxes apply? - [Neighborhoods overview](/cities/philadelphia/topics/neighborhoods-overview) — Which Class A submarkets exist and how do they compare? - [Notable buildings](/cities/philadelphia/topics/notable-buildings) — Which trophy assets define the market? - [Class A vs Class B](/cities/philadelphia/topics/class-a-vs-class-b) — What is the spread between Class A and [Class B](/glossary/class-b) and why? - [Leasing conventions](/cities/philadelphia/topics/leasing-conventions) — What lease structures, terms, and concessions are normal? - [Expansion checklist](/cities/philadelphia/topics/expansion-checklist) — What is the operational checklist for opening here? - [Relocation guide](/cities/philadelphia/topics/relocation-guide) — How do you move into this market from another city? - [Frequently asked questions](/cities/philadelphia/topics/faq) — Quick answers to the questions occupiers ask most. - [Operating expenses](/cities/philadelphia/topics/operating-expenses) — What service charges, OpEx, and pass-throughs apply on top of rent? - [Growth and availability](/cities/philadelphia/topics/growth-and-availability) — How tight is current availability and what does the pipeline look like? - [Sustainability pathways](/cities/philadelphia/topics/sustainability-pathways) — How do tenants land net-zero or science-based-target leases here? - [Hybrid work policy](/cities/philadelphia/topics/hybrid-work-policy) — How are hybrid policies shaping office demand here? - [Security and redundancy](/cities/philadelphia/topics/security-and-redundancy) — What security, power, and connectivity redundancy are standard? - [Lab and R&D space](/cities/philadelphia/topics/lab-and-r-and-d) — What does R&D-grade or wet-lab space look like in this market? - [Brand experience](/cities/philadelphia/topics/brand-experience) — How do trophy buildings function as brand experiences and showpieces? - [Fund strategy and flag](/cities/philadelphia/topics/fund-strategy-and-flag) — Which submarkets carry the strongest investor flag for funds? - [Exit and renewal](/cities/philadelphia/topics/exit-and-renewal) — How do you handle a Class A renewal or exit cleanly here? - [Market cycle position](/cities/philadelphia/topics/market-cycle-position) — Where is this Class A market in its cycle right now? ## Philadelphia — frequently compared - [**Philadelphia vs New York**](/compare/new-york-vs-philadelphia) — US Mid-Atlantic HQ shortlist. - [**Philadelphia vs Boston**](/compare/boston-vs-philadelphia) — US east-coast HQ shortlist. - [**Philadelphia vs Washington DC**](/compare/philadelphia-vs-washington-dc) — US Mid-Atlantic HQ shortlist. ## Frequently asked questions ****How significant is the life sciences pipeline?**** : Material. The Schuylkill Yards and University City corridor delivered roughly 2M sqft of life sciences and biotech-tilted Class A in 2023-2025. ****What is the Center City rent versus University City?**** : Center City trophy trades 10-15% above University City Class A on a per-foot basis, but University City is increasingly the preferred destination for life sciences and biotech tenants. ****Are concessions tightening?**** : Trophy concessions remain rich at 12-16 months free; older Class A is more aggressive. ## Editorial provenance Reviewed by [**Miriam Hollander**](/about/authors/miriam-hollander) — Lead market analyst. Last updated 2026-04-15. See our [methodology](/about/methodology) and [editorial standards](/about/editorial-standards). ### Primary sources for this page - [CBRE Marketview reports](https://www.cbre.com/insights) — CBRE - [JLL Office Insight](https://www.jll.com/en/trends-and-insights) — JLL - [Cushman & Wakefield Marketbeat](https://www.cushmanwakefield.com/en/insights) — Cushman & Wakefield - [Savills World Research](https://www.savills.com/research_articles/) — Savills - [Colliers Global Office Outlook](https://www.colliers.com/en/research) — Colliers [Full sources index](/about/sources) · [Submit a correction](/about/corrections) ## Related topics - [**Class A Lease Negotiation**](/topics/class-a-lease-negotiation) — How to negotiate a Class A office lease — the playbook from LOI to signed deal. - [**Hybrid Workplace Strategy**](/topics/hybrid-workplace-strategy) — How to size, structure, and lease a Class A office for a hybrid workforce. - [**ESG / LEED for Tenants**](/topics/esg-leed-tenants) — How tenants evaluate, negotiate, and report on ESG performance in a Class A office lease. - [**Cross-border Expansion**](/topics/cross-border-expansion) — How to run a coordinated Class A office search across multiple geographies. - [**Fit-out Capex**](/topics/fit-out-capex) — How to budget, sequence, and govern Class A office fit-out capex. - [**Lease vs Flex**](/topics/lease-vs-flex) — When premium flex (coworking, managed office) beats a conventional Class A lease — and vice versa. --- Citation: Source: Class A Atlas (https://classa.info/cities/philadelphia), updated 2026-04-15T00:00:00.000Z.