Accessory Dwelling Units

Accessory Dwelling Units (aka “granny flats”)

The following information was presented to the Arlington Redevelopment Board in October, 2020 by Barbara Thornton, TMM, Precinct 16

This Article  proposes to allow Accessory Dwelling Units, “as of right”, in each of the 8 residential zoning districts in Arlington.

Why is this zoning legislation important?

Arlington is increasingly losing the diversity it once had.  It has become increasingly difficult for residents who have grown up and grown old in the town to remain here.  This will only become more difficult as the effects of tax increases to support the new schools, including the high school, roll into the tax bills for lower income residents and senior citizens on a fixed income.  For young adults raised in Arlington, the price of a home to buy or to rent is increasingly out of reach.

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63 Percent in Greater Boston Back Accessory Dwelling Units

from Banker & Tradesman, March 10, 2020: https://www.bankerandtradesman.com/63-percent-in-greater-boston-back-adus/ B&T produced a terrific report on the strong interest across the nation in allowing more ADUs (Accessory Dwelling Units) . This follows after California recently passed strong “YIMBY” legislation encouraging the developement of ADU’s.

“A new, nationwide survey from real estate website Zillow has found that nearly two-thirds of Boston-area residents want the ability to convert their single-family homes into multifamily units.

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Zoning for Accessory Dwelling Units

by Amy Dain, for Pioneer Institute of Public Policy Research and Smart Growth Alliance, July 2018 (This study updates a 2004-06 study on ADUs by the Pioneer Institute.)

Even in the midst of a housing crisis, zoning laws prohibit most homeowners in cities and towns around Boston from adding accessory dwelling units (ADUs) to their single family houses. An ADU is an apartment within or behind an own- er-occupied single family house that appears from the street to be a single-family as opposed to a two-family house.

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Accessory Dwelling Units: Policies, Attitudes in Boston Region

from Alexandra P. Levering , Thesis, Urban & Environmental Policy and Planning, Tufts University, August 2017

By 2017 65 out of 101 municipalities in the greater Boston (MAPC) region allowed Accessory Dwelling Units by right or by special permit. The average number of ADU’s added per year was about 3. But by 2017, Lexington had 75 ADUs, Newton had 73 and Ipswich had 66. It is a slow process for a variety of reasons, but the number of units grows over time.

AARP recommends ADU’s. The help homeonwers cover rising housing costs by providing income trhough rent. They also create a space for a caretaker or a family member to live close by, as the homeowner ages.

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What’s important for Housing – a Community Conversation

A portion of Envision Arlington’s town day booth was designed to spark a community conversation about housing. Envision set up a display with six poster boards, each representing a housing-related topic. Participants were given three dots and asked to place them on the topics they felt were most important. There were also pens and post-it notes on hand to capture additional comments. This post is a summary of the results. You could think of it as a straw-poll or temperature check on the opinions of town day attendees.

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Housing Choices Shape Affordability and Vitality of Town Future

Article 5 in a series on the Arlington, MA Master Planning process. Prepared by Barbara Thornton

Residential Uses May Push Out Commercial Uses

The Master Plan will have a distinct section focusing on housing and in Arlington there will be much to decide.  Housing prices in Arlington are among the fastest rising in the region.  According to a recent article in the Boston GLOBE (10-14-14) Arlington median home prices have jumped 15% in the last eight months, to $625,000.  Condo costs per square foot are higher in Arlington than in neighboring Lexington and Winchester. The average condo in Arlington jumped 22% to $433,750.   This is great news for people who already own a home.  But this trend suggests that, without planning for a variety of housing at various prices, the town will lose its economic diversity.  Children born here may not be able to afford to live here as adults.  The creative community of artists and writers now giving the Town identity may be priced out.  Maintaining the economic diversity of its citizens is only one of several housing questions Town residents will consider as the HOUSING section of the Master Plan is developed.

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