Ranked Top 25 Brokerage
Firms in SF for Last 8 Years
Recent Transactions

2017 (Partial List)

Mux Leases HQ Office Space in Orpheum
  • Mux, a rapidly growing video analytics tech firm, has leased the top floor of 1182 Market Street. Jay Shaffer represented Mux in this transaction.
Charles River Associates Expands into San Francisco.
  • Mark Walker Charles River Associates in their expansion into San Francisco leasing most of the 16th Floor of 221 Main Street with expansion rights for the entire floor over the next 10 years without obligation. Brand new planning and over $100 per square foot of Improvements were provided by the Landlord.
CMG Landscape Architecture Builds New Headquarters.
  • Mark Walker negotiated a Master Lease for CMG Landscape Architecture's new Headquarters Building at 446 Bryant Street. The transaction provided the Landlord with an "As-Is" lease and the savings of avoiding Base Building upgrade costs and construction while providing CMG Landscape Architecture with below market rent, building identity and built-in expansion space.
SalesHood Relocates to Jackson Square
  • Jay Shaffer has assisted SalesHood with their HQ relocation to Jackson Square at 170 Columbus Avenue.
Quizlet, Inc. Moves to New Expanded Headquarters.
  • Mark Walker represented Quizlet, Inc. in their search and acquisition of their new Headquarters at 501 Second Street. Negotiated a Right of First Refusal to take over the entire 5th Floor at the midpoint of the Lease to accommodate Quizlet Headquarter expansion without obligation.
Gliffy, Inc. Expands and Extends at Second Street Square.
  • Mark Walker represented Gliffy, Inc. in their fifth expansion in San Francisco. The Premises at 501 Second Street comprises Four Sides of Floor to Ceiling Windows on the entire western portion of the 5th Floor, Fully Furnished, and Wired Space with use of Kitchen, Server Room and Decks.
UNICEF Expands on Montgomery Street, San Francisco.
  • Mark Walker represented UNICEF in the Sublease and profit of their current space, coupled with the expansion into new "Turn Key" space at 101 Montgomery Street, paid for by the Landlord.
KFS Expands SF HQ
  • Jay Shaffer has assisted KFS, a local nonprofit in their relocation and expansion at 1375 Columbus Avenue in San Francisco for a 2-floor lease transaction, including an exclusive roof deck and patio.
Korth Sunseri Hagey Architects Builds New Headquarters
  • Mark Walker represented Korth Sunseri Hagey Architects in the search, acquisition and negotiation of the Master Lease and Development of their new Headquarters. Private Entrance, Elevator and Identity combined with the top floor development of a signature space in Union Square for a well-below market rate, capped for 10 years.
Bregante + Company LLP Relocates Headquarters.
  • Mark Walker represented Bregante + Company LLP in the relocation of their Headquarters Offices from the South Financial District to the Core Financial District. This award winning space was created to provide a custom LEED Certified environment in a Class A Historical Renovated Building.
TravelBank Leases Full Floor at 611 Mission
  • Travelbank has leased a full floor at 611 Mission. Jay Shaffer and Ian Osborne assisted the Landlord in this transaction.
Instacart Couples Expansion with Lease Cancelation for Invuity, Inc. at 39 Stillman Street.
  • Mark Walker negotiated a new Expansion Lease for Instacart with a simultaneous Lease Cancellation for Invuity, Inc., so that Invuity, Inc. could expand into 444 De Haro Street. The negotiation provided Invuity, Inc. with a cost free lease cancellation and the Landlord and Instacart with a new mutually beneficial lease.
ZenPayroll Executes Lease Cancellation with New Landlord Lease for Pixley, Inc.
  • Mark Walker negotiated a Lease Cancellation for ZenPayroll and simultaneous new lease with Pixley, Inc., so that ZenPayroll could expand into 500 Third Street. The negotiation provided ZenPayroll with a cost free lease cancellation and the Landlord and Pixley, Inc. with a new mutually beneficial lease.
SWA Group Leases New San Francisco Headquarters at The Bently Reserve.
  • Mark Walker represented SWA Group in the search, negotiation and lease execution of their new San Francisco Headquarters at 301 Battery Street. SWA Group will occupy the entire eastern portion of the 2-Mezzanine Floor in the completely remodeled Historical Federal Reserve Bank Building. SmithGroup is designing the LEED Certified space for SWA Group and the Landlord, Bently Holdings, will be paying for the improvements and renovating the common areas.
Baker Avenue Asset Management Moves to the Bently Reserve Building, 301 Battery Street.
  • Mark Walker represented Baker Avenue Asset Management in the relocation, design and build out of their new offices on the entire Second Floor of the former Federal Reserve Building. This space was awarded The International Interior Design Association Honor Award for 2011.
Capital Pacific Partners Moves Headquarters to 180 Montgomery Street.
  • Mark Walker represented Capital Pacific Partners in the relocation of their Headquarter Offices to the Twelfth Floor of 180 Montgomery Street in a "Turn-Key" custom buildout at below market rental.
Sprig Electric Expands San Francisco Headquarters.
  • Mark Walker represented Sprig Electric in the expansion and relocation of their San Francisco Office and Warehouse Building into 65 Oak Grove Street. Sprig Electric is a 42 year old company based in San Jose, CA.


2016 (Partial List)

Constangy Expands into San Francisco
  • Jay Shaffer has assisted Constangy, Brooks, Smith & Prophete LLP, a national law firm, with their expansion into San Francisco at 50 California Street.
McCown & Evans LLP Renews Lease
  • Jay Shaffer has assisted McCown & Evans LLP law firm with their lease renewal at 505 Sansome Street.
149 Bluxome Street 100% Leased to International Technology Firm
  • Jay Shaffer and Mark Walker represented the Ownership in the leasing of the entire building and parking garage of 149 Bluxome Street. 149 Bluxome Street was fully leased with no lost rent before the existing tenant's lease expiration. Additionally, the Landlord achieved a market rental with no improvement costs and the new company will significantly further improve the Ownership's Building.
1200 Folsom Street 100% Leased!
  • Mark Walker represented the Ownership in the purchase and leasing of 1200 Folsom Street to 100% completing transactions with Atlassian LLC, BASIS (an Intel Company) and Darby Smart, Inc.
39 Stillman Street / 446 Bryant Street 100% Leased!
  • Mark Walker represented the Ownership and Tenants in the leasing of 39 Stillman Street and 446 Bryant Street to 100% completing transactions with Instacart, Invuity, Inc., Tapingo, Inc. and CMG Landscape Architecture.
425 Second Street 100% Leased With New Transactions!
  • Mark Walker represented the Ownership in leasing the remaining space on the Second, Third, Fourth, Fifth and Sixth Floors of 425 Second Street. Lease transactions were completed with Elevate Brandpartners, Inc., Parsable, Climate Corporation, inPowered, Inc., InternMatch, Datalogix, Inc., Task Rabbit, Granular, Inc., Unify.ID and The Henne Group.
Rudy Exelrod Renews Lease
  • Jay Shaffer has assisted Rudy, Exelrod, Zieff & Lowe, LLP with their full floor lease renewal at 351 California Street.
535 Bryant Street / One Zoe Street 100% Leased.
  • Mark Walker represented the Building Ownership and Developer in the interim leasing the entire Building with Tenor, Inc. and AvroKO, Inc. for the future development of a 50,000 square foot Office Building.
135-145 Bluxome Street 100% Leased to CISCO Systems, Inc. (OpenDNS, Inc.)
  • Mark Walker represented the Ownership of 135-145 Bluxome Street & 444 Townsend Street in the original 30,000 square foot renovation and lease and 70,000 square foot expansion with Cisco Systems, Inc. (OpenDNS, Inc.). The transaction involved extensive value engineering along with creative Landlord and Tenant Improvements to keep the rental at an acceptable rate for both Landlord and Tenant. 444 Townsend Street and 135-145 Bluxome Street is an 87,000 square foot complex adjacent to CalTrain.
381 Bush Street / 264 Kearny Street 100% Leased.
  • Mark Walker represented the Building Ownership in Leasing the Ground Floor to Starbucks for a 10 year Lease and renovation by Tenant. Also completed multiple new leases, expansions and lease cancellations resulting in increased Landlord income with reduced expense and increased security on the Second, Third, Fourth, Fifth and Sixth Floors.
711 Market Street 100% Leased.
  • Mark Walker represented the Ownership of 711 Market Street in completing a lease for the entire Second Floor to Yesware, Inc.
320-26 Ritch Street 100% Leased!
  • Mark Walker represented the Family Ownership in leasing the entire Building of 320 Ritch Street to Scout IT, Inc. This transaction brings the property to 100% occupancy. Represented both The Paulsen Family Partnership as Landlord and Scout IT as tenant. Additional transactions included a sublease with News Distribution Network and Scout IT and a second sub-sublease between News Distribution Network, Scout IT and Modlar, Inc.
435 Brannan Street 100% Leased!
  • Mark Walker represented the Ownership and Tenants for the lease and renewal lease for the entire Building of 40,000 square feet. Lease transactions were completed with Tech Soup and Campsyte.
450 Townsend Street 100% Leased to Pier 38 Maritime Business Facilities LLC
  • Mark Walker represented the Ownership of 450 Townsend Street in the Master Lease and extensive renovation of the 28,000 square foot Building and Parking Lot. Improvements were paid for by the tenant and built by the Owner's contracting company as added security for the lease.
58 Second Street 100% Leased!
  • Mark Walker represented the Ownership in leasing the remaining Floors of 58 Second Street. Full Floor Leases were completed with Ground Floor Public Affairs, KID Design and Phizzle, Inc. 58 Second Street is a 16,800 square foot fully renovated building between Market and Mission Streets.
1282 Market Street
  • Jay Shaffer and Adon Galindo have represented both the Landlord and the Tenant, RAMS, in a lease of over 7,000+ square feet at 1282 Market Street in "Mid-Market."
505 Sansome Street
  • Brad Colton and Jay Shaffer represented Goodin, MacBride, Squeri and Day, LLP (law firm) in their lease renewal at 505 Sansome for a full floor in this Class A high-rise.
530 Bush Street
  • 530 Bush is now 100% leased! Brad Colton and Jay Shaffer represented the Landlord in their lease to Super Lucky Casino of over 6,000+ square feet.


2015 (Partial List)

605 Market Street
  • Jay Shaffer, Ian Osborne and Adon Galindo have leased the last remaining space at 605 Market to Virtually Live. 605 Market is now 100% leased. Jay, Ian and Adon represented both the Tenant and Landlord in this transaction.
340 Brannan Street
  • Jay Shaffer represented ArcTouch in their lease renewal and expansion at 340 Brannan totaling nearly 8,000 +/- square feet.
109 Stevenson Street
  • Jay Shaffer, Brad Colton and Ian Osborne have leased the last remaining space at 109 Stevenson to Dr. Inna Rostker in a full floor lease transaction. Jay and Ian represented the Tenant, while Brad represented the Landlord in this lease transaction.
SASB Expands in Jackson Square
  • Jay D. Shaffer and R. Ian Osborne have leased SASB, a growing nonprofit organization, their new HQ in Jackson Square on the top floor at 1045 Sansome Street.
PLAE Expands in San Francisco
  • Jay D. Shaffer and Adon Galindo have leased PLAE, a growing kids shoes design company, their new San Francisco headquarters at 220 Montgomery.
701 Sutter is 100% Leased
  • Jay D. Shaffer and Adon Galindo have leased the top 2 floors of 701 Sutter to Verba Software, making the building 100% leased.
1031 Exchange Satisfied
  • Jay D. Shaffer has sold a commercial condo at 283 4th Street in Oakland, to the Buyer for $2.2 Million.
1142 Van Ness - Concordia Argonaut - SOLD!
  • Bradley L. Colton has sold the 52,000+ square foot property at 1142 Van Ness for an undisclosed amount to a local buyer/investor.
CaptainU Moves to 701 Sutter
  • Jay D. Shaffer and Adon Galindo have leased a full floor at 701 Sutter to CaptainU.
Couchsurfing Renews HQ Lease
  • Couchsurfing has renewed this headquarters full building lease in SOMA. Jay D. Shaffer represented Couchsurfing in this transaction.


2014 (Partial List)

thredUP Triples its Size
  • thredUP has leased 15,705 square feet for a full floor of creative office space for its new San Francisco headquarters located at 114 Sansome Street. Jay D. Shaffer represented thredUP in this transaction.
LendingHome Expands
  • LendingHome has leased the penthouse floor at 201 Post in Union Square for its new San Francisco headquarters. Jay D. Shaffer represented LendingHome is this transaction.
Bluebox Expands
  • Bluebox has expanded its San Francisco footprint by subleasing over 7,000+ square feet at 100 Bush Street. Jay D. Shaffer represented Bluebox in this transaction.
530 Bush is 100% Leased
  • Institute of International Education has renewed its lease at 530 Bush Street. Bradley L. Colton and Jay D. Shaffer represented the Landlord in this transaction.
Full Floor Lease at 121 2nd
  • Bradley L. Colton, Jay D. Shaffer and R. Ian Osborne have assisted the Landlord of 121 2nd Street in a full floor office lease to MyActivity Pal.
1173 Sutter 100% Leased
  • Jay D. Shaffer and R. Ian Osborne have represented the Landlord, Chevalier Partners, and Tenant, Interstice Architects in their lease at 1173 Sutter, making the building 100% leased.
605 Market 100% Leased
  • Jay D. Shaffer and R. Ian Osborne have represented the Tenant, Charles Zukow Associates in their lease at 605 Market Street, making the building 100% leased.


2013 (Partial List)

Peek Travel Expands
  • Jay D. Shaffer has assisted Peek Travel in their full floor expansion of brick and timber high exposed ceiling creative in 639 Front in Jackson Square.
170 Columbus 100% Leased
  • Jay D. Shaffer and Bradley L. Colton have leased approximately 8,840 square feet to Boost Media for the entire lower level of 170 Columbus Ave., in Jackson Square.
Bluebox Renews Lease
  • Jay D. Shaffer assisted Bluebox Security in their full floor lease renewal at 171 2nd Street, situated in the burgeoning 2nd Street "tech" corridor.
APPCO Group Leases Ground Floor
  • Bradley L. Colton and R. Ian Osborne have assisted the Landlord in leasing the ground floor of 565 Commercial Street. 565 Commercial is now 100% leased.
821 Sansome is 100% Leased
  • Jay D. Shaffer and R. Ian Osborne have assisted the Landlord in leasing the entire 2nd floor of 821 Sansome to the Mitchell Lake Group.
Revel Systems Expands
  • Jay D. Shaffer and Bradley L. Colton have leased approximately 11,581 square feet to Revel Systems for the entire 4th floor of 170 Columbus Ave., in Jackson Square.
530 Bush is now 100% Leased
  • Bradley L. Colton and Jay D. Shaffer have leased approximately 9,303 square feet at 530 Bush to the Bay Area Medical Academy. 530 Bush is now 100% leased.
RAMS Non Profit Expands
  • Jay D. Shaffer has assisted RAMS, a well-established non-profit, in their full building expansion into 639 14th Avenue.
Blackhawk Network (NASDAQ: HAWK) and Cardpool Relocated to SOMA
  • Jay D. Shaffer has assisted Blackhawk Network and Cardpool into a highly creative office space in SOMA at 221 Main.
1420 Sells for Nearly $300 per Square Foot
  • Bradley L. Colton and Jay D. Shaffer have sold 1420 Sutter Street, a retail / industrial property, on behalf of the Seller.
Dropcam Expands, Tripling Size of its San Francisco Headquarters
  • Jay D. Shaffer has assisted Dropcam in their full floor lease at 301 Howard Street. This 15,000+ square foot space included high exposed ceilings and a mostly open collaborative layout.
Shop It To Me Finds Creative Space
  • Jay D. Shaffer has assisted Shop It To Me in their relocation to 221 Pine Street. The full floor creative space features high ceilings, great natural light and a mostly open floor plan with a turnkey condition.
Briar Road Investments Relocates to San Francisco
  • Jay D. Shaffer has assisted Briar Road Investments in their relocation and expansion of their headquarters from Marin into San Francisco.
CouchSurfing Renews Lease
  • CouchSurfing has renewed is headquarters lease at 340 Kansas Street with the assistance of Jay D. Shaffer for approximately 7,500 square feet.


2012 (Partial List)

Peek Travel Lands New Headquarters Lease
  • Jay D. Shaffer has assisted Peek Travel in their relocation into a new creative office space at 650 California Street.
149 Bluxome - 100% Leased
  • Jay D. Shaffer and Mark D. Walker have leased 19,298 square feet in a full building lease at 149 Bluxome.   Jay and Mark represented the Landlord is this lease transaction.
SWA Group Leases New San Francisco Headquarters at The Bently Reserve
  • Mark D. Walker represented SWA Group in the search, negotiation and lease execution of their new San Francisco Headquarters at 301 Battery Street. SWA Group will occupy the entire eastern portion of the 2-Mezzanine Floor in the completely remodeled Historical Federal Reserve Bank Building. SmithGroup is designing the LEED Certified space for SWA Group and the Landlord, Bently Holdings, will be paying for the improvements and renovating the common areas.
611 Mission - 100% Leased
  • Jay D. Shaffer and Ty J. Cademartori have assisted Patrick & Co. in their lease to Meez for the top floor of 611 Mission Street, a highly creative office in SOMA. 611 Mission is now 100% leased.
Baker Avenue Asset Management Moves to the Bently Reserve Building, 301 Battery Street
  • Mark D. Walker represented Baker Avenue Asset Management in the relocation, design and build out of their new offices on the entire Second Floor of the former Federal Reserve Building. This space was awarded The International Interior Design Association Honor Award for 2011.
TheraNova, Inc. and Channel Medsystems, Inc. Lease 101 Mississippi Street
  • Mark D. Walker and Ty Cademartori represented the biotech firms TheraNova and Channel Medsystems in their search, lease and build out of their new headquarter facility at 101 Mississippi Street. This transaction comprises the entire 1st Floor and includes the two biotech companies, lab space and venture capital incubator space for affiliated entities of TheraNova, Inc.
SeeChange Health Management Company Renews Lease at 201 Mission Street
  • Mark D. Walker represented SeeChange Health Management Company in the renewal of their lease at 201 Mission Street. Mark Walker surveyed the market and toured SeeChange through the available properties to ascertain the most favorable terms for renewal. SeeChange Health is a Health Insurance Company based in Minneapolis, Minnesota.
Gliffy, Inc. Expands and Relocates to Second Street Square
  • Mark D. Walker represented Gliffy, Inc. in their third expansion in San Francisco. The Premises at 501 Second Street comprised Three Sides of Floor to Ceiling Windows, Fully Furnished, and Wired Space with free use of Kitchen, Server Room and Decks.
Sandbox Industries Opens San Francisco Office in 444 Townsend Street
  • Sandbox Industries, LLC, a venture capital and incubator group based in Chicago, has opened a new Office in the Technology Center of San Francisco. Mark D. Walker and Robert J. Walker represented both Sandbox Industries and the Ownership of 444 Townsend Street.
Brighterion Renews its Headquarters Lease
  • Jay D. Shaffer and Ty J. Cademartori have renewed Brighterion's lease at 150 Spear for over 12,000 square feet for the company's North American headquarters.
Nicolay Consulting Relocates to 530 Bush Street
  • Bradley L. Colton and Jay D. Shaffer have assisted the Landlord in a new 7,100 square feet lease to an established firm, Nicolay Consulting. This lease brings 530 Bush to over 90% leased.
thredUp Expands Operations
  • Jay D. Shaffer has assisted thredUp, an expanding technology company, in their 8,500 square foot expansion into 667 Folsom in San Francisco.
Community Housing Partnership leases 20 Jones Street.
  • The Community Housing Partnership, a 25 year old non-profit housing development company, leased the entire Second Floor of 20 Jones Street for their new San Francisco Headquarters. Mark D. Walker represented the Landlord of 20 Jones Street to complete the full lease-up of the Building.
First Wind Energy, LLC Opens San Francisco Office at 1200 Folsom Street.
  • Mark D. Walker and Robert J. Walker represented First Wind Energy and the Landlord in the lease of the First Floor of 1200 Folsom Street. First Wind Energy, based in Boston, Massachusetts, is expanding to San Francisco for their technology development needs.
HedgeOp Compliance, LLC Relocates
  • Ty J. Cademartori has assisted HedgeOp Compliance EvenWheel Solutions (an IMS Group Company) in the expansion and relocation into 201 Mission.
Sandbox Industries Opens San Francisco Office in 444 Townsend Street.
  • Sandbox Industries, LLC, a venture capital and incubator group based in Chicago, has opened a new Office in the Technology Center of San Francisco. Mark D. Walker and Robert J. Walker represented both Sandbox Industries and the Ownership of 444 Townsend Street.
Turn, Inc. Expands Regional Office in San Francisco
  • Jay D. Shaffer has leased one full floor at 128 Spear in the South Financial District of SOMA to Turn, Inc. Turn is an expanding advertising company. Jay represented the Tenant and the Landlord in this transaction.
OpenDNS Leases 14,500 square feet at 145 Bluxome Street
  • Mark D. Walker and Robert J. Walker represented the Ownership of 145 Bluxome Street & 444 Townsend Street in leasing 14,500 square feet to OpenDNS. The transaction involved value engineering along with creative Landlord and Tenant Improvements to keep the rental at an acceptable rate for both Landlord and Tenant.
SeeChange Health Management Company Renews Lease at 201 Mission Street.
  • Mark D. Walker represented SeeChange Health Management Company in the renewal of their lease at 201 Mission Street. Mark Walker surveyed the market and toured SeeChange through the available properties to ascertain the most favorable terms for renewal. SeeChange Health is a Health Insurance Company based in Minneapolis, Minnesota.
Lily Samii Completes the Sale/Lease-Back of Headquarters
  • Mark D. Walker represented Lily Samii in the completion of the Sale/Lease-Back of her Headquarter Building at 125 Hyde Street. Lily Samii is a well known couture designer with former offices in New York and Paris..
701 Sutter is Now 100% Leased
  • Ty J. Cademartori has assisted the Landlord of 701 Sutter in leasing one full floor to Main Street Hub. The building is now 100% leased.
Stitch Fix Expands its HQ
  • Jay D. Shaffer has assisted Stitch Fix, an online tech oriented retail company in their headquarters relocation into 731 Market Street in San Francisco.
Colton Commercial & Partners Inc.
565 Commercial Street, 4th Floor
San Francisco, Ca. 94111
P: 415.834.1600
F: 415.834.1601