Field notes on building better.
Recent essays

Change of Use vs. Change of Occupancy in San Francisco: The Distinction That Decides Your Permit Track
Change of use is a Planning Code concept. Change of occupancy is a Building Code concept. They sometimes coincide; they often don't. Knowing which one your project actually triggers determines whether the permit clears in days or weeks — and it's a design decision, not an afterthought.

Prop H and the Small Business Recovery Act: SF's Streamlined Path for Restaurants and Retail (2026)
Prop H + the Small Business Recovery Act streamlined SF's small-business permitting in 2020–2021: administrative OTC instead of Planning Commission hearings, no more §311/312 notification on most storefront flips, and a 30-day cap on non-Planning review. 5,600+ projects benefiting through mid-2025. Mayor Lurie's late-2025 packages widened the framework further. Here's the practical guide.

SF ADU 2026: State Program vs. Local Program — Which One to Use, and When
Most SF homeowners should default to the State ADU program for its ministerial 60-day shot clock and impact-fee exemptions. The Local program adds the unlimited-ADU bonus tied to seismic retrofits — the right call when that bonus applies. Here's the decision in detail.

PermitSF Portal Explained: What's Online in San Francisco Permitting in 2026 (and What's Still at the Counter)
PermitSF (built on OpenGov, launched February 13, 2026) is SF's first true online permitting portal. Five permit types are online-only as of launch. Here's what's online today, what's scheduled later in 2026, what's still at the counter, and how the portal interacts with contractor instant-issuance and Bluebeam Studio Electronic Plan Review.
From the archive
Tenant ImprovementSan Francisco Over-the-Counter Permitting: An Architect's Field Guide for 2026
Tenant ImprovementSF Restaurant TI Permits in 2026: When You Qualify for Over-the-Counter Review (and When You Don't)
Tenant ImprovementWhat Actually Drives Bay Area Restaurant TI Cost in 2026 — An Architect's Field Guide
ResidentialThe Bay Area ADU Permit Process: 4 Phases Explained (2026)
ResidentialGarage to Home Gym + Office: An Architect’s Design Process (Newark, CA)
CommercialWhat Is a Feasibility Study? And Why It Comes Before Design.
ResidentialADU Cost Bay Area 2026: Real Numbers from $50K to $400K Builds
CommercialHow Much Can You Actually Build on Your Commercial Lot?
ResidentialADU vs JADU California 2026: 7 Differences That Decide Which Fits
Tenant ImprovementHow Long Does a Commercial Build-Out Actually Take in the Bay Area?
Tenant ImprovementDesigning a Restaurant in the Bay Area: What First-Time Owners Get Wrong
Tenant ImprovementTitle 24 for Bay Area Restaurants & Retail: 2026 TI Compliance Guide
Tenant Improvement10 Lease Questions to Ask Before a Bay Area Tenant Improvement (2026)
Tenant ImprovementBay Area Tenant Improvement Design & Permitting Guide
ResidentialADUs for Backyard Living: Transform Your Property
ResidentialBathroom Remodel in California: From Design to Permitting
ResidentialWhat Is a JADU? California Junior ADU Guide (2026, with Costs)
